[Code of Federal Regulations]
[Title 23, Volume 1]
[Revised as of April 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 23CFR658.23]

[Page 263-313]
 
                           TITLE 23--HIGHWAYS
 
 CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
 
PART 658--TRUCK SIZE AND WEIGHT, ROUTE DESIGNATIONS--LENGTH, WIDTH AND WEIGHT LIMITATIONS--Table of Contents
 
Sec. 658.23  LCV freeze; cargo-carrying unit freeze.

    (a)(1) Except as otherwise provided in this section and except for 
tow trucks with vehicles in tow, a State may allow the operation of 
LCV's on the Interstate System only as listed in appendix C to this 
part.
    (2) Except as otherwise provided in this section, a State may not 
allow the operation on the NN of any CMV combination with two or more 
cargo-carrying units (not including the truck tractor) whose cargo-
carrying units exceed:
    (i) The maximum combination trailer, semitrailer, or other type of 
length limitation authorized by State law or regulation of that State on 
or before June 1, 1991; or
    (ii) The length of the cargo-carrying units of those CMV 
combinations, by specific configuration, in actual, lawful operation on 
a regular or periodic basis (including continuing seasonal operation) in 
that State on or before June 1, 1991, as listed in appendix C to this 
part.
    (b) Notwithstanding paragraph (a)(2) of this section, the following 
CMV combinations with two or more cargo-carrying units may operate on 
the NN.

[[Page 264]]

    (1) Truck tractor-semitrailer-trailer and truck tractor-semitrailer-
semitrailer combinations with a maximum length of the individual cargo 
units of 28.5 feet or less.
    (2) Vehicles described in Sec. 658.13(e) and (g).
    (3) Truck-trailer and truck-semitrailer combinations with an overall 
length of 65 feet or less.
    (4) Maxi-cubes.
    (5) Tow trucks with vehicles in tow.
    (c) For specific safety purposes and road construction, a State may 
make minor adjustments of a temporary and emergency nature to route 
designations and vehicle operating restrictions applicable to 
combinations subject to 23 U.S.C. 127(d) and 49 U.S.C. 31112 and in 
effect on June 1, 1991 (July 6, 1991, for Alaska). Adjustments which 
last 30 days or less may be made without notifying the FHWA. Minor 
adjustments which exceed 30 days require approval of the FHWA. When such 
adjustments are needed, a State must submit to the Division Office of 
Motor Carriers, by the end of the 30th day, a written description of the 
emergency, the date on which it began, and the date on which it is 
expected to conclude. If the adjustment involves route designations, the 
State shall describe the new route on which vehicles otherwise subject 
to the freeze imposed by 23 U.S.C. 127(d) and 49 U.S.C. 31112 are 
allowed to operate. To the extent possible, the geometric and pavement 
design characteristics of the alternate route should be equivalent to 
those of the highway section which is temporarily unavailable. Approval 
or disapproval by Office of Motor Carriers officials of adjustments 
involving route designations shall be coordinated with the Division 
Administrator. If the adjustment involves vehicle operating 
restrictions, the State shall list the restrictions that have been 
removed or modified. Approval or disapproval of the adjustment by the 
Division Office of Motor Carriers shall take place only after 
consultation with the Regional Office of Motor Carriers. If the 
adjustment is approved, a copy of the approved submission shall be 
forwarded through the Regional Office of Motor Carriers, to the 
Associate Administrator for Motor Carriers at Headquarters, who will 
publish the notice of adjustment, with an expiration date, in the 
Federal Register. Requests for extensions of time beyond the originally 
established conclusion date shall be subject to the same approval and 
publication process as the original request. If upon consultation with 
the Regional Office of Motor Carriers, a decision is reached that minor 
adjustments made by a State are not legitimately attributable to road or 
bridge construction or safety, the Division Office of Motor Carriers 
will so inform the State, and the original conditions of the freeze must 
be reimposed immediately. Failure to do so may subject the State to a 
penalty pursuant to 23 U.S.C. 141.
    (d) A State may issue a permit authorizing a CMV to transport an 
overlength nondivisible load on two or more cargo-carrying units on the 
NN without regard to the restrictions in Sec. 658.23(a)(2).
    (e) States further restricting or prohibiting the operation of 
vehicles subject to 23 U.S.C. 127(d) and 49 U.S.C. 31112 after June 1, 
1991, shall notify the FHWA Division Office of Motor Carriers within 30 
days after the restriction is effective. The Division Office of Motor 
Carriers shall forward the information through the Regional Office of 
Motor Carriers to the Associate Administrator for Motor Carriers at 
Headquarters. The FHWA will publish the restriction in the Federal 
Register as an amendment to appendix C to this part. Failure to provide 
such notification may subject the State to a penalty pursuant to 23 
U.S.C. 141.
    (f) The Federal Highway Administrator, on his or her own motion or 
upon a request by any person (including a State), shall review the 
information set forth in appendix C to this part. If the Administrator 
determines there is cause to believe that a mistake was made in the 
accuracy of the information contained in appendix C to this part, the 
Administrator shall commence a proceeding to determine whether the 
information published should be corrected. If the Administrator 
determines that there is a mistake in the accuracy of the information 
contained in appendix C to this part, the Administrator shall publish

[[Page 265]]

in the Federal Register the appropriate corrections to reflect that 
determination.

[59 FR 30420, June 13, 1994, as amended at 60 FR 15214, Mar. 22, 1995; 
62 FR 10181, Mar. 5, 1997]

  Appendix A to Part 658--National Network--Federally-Designated Routes

 [The federally-designated routes on the National Network consist of the
Interstate System, except as noted, and the following additional Federal-
                          aid Primary highways]
------------------------------------------------------------------------
        Route                    From                       To
------------------------------------------------------------------------
                                 Alabama

------------------------------------------------------------------------
US 43................  I-65 N. of Mobile.......  Sunflower.
US 43................  AL 5 near Russellville..  TN State Line.
US 72................  MS State Line...........  CR 33 Hollywood.
US 72 Alt............  US 72 Tuscumbia.........  US 72/231/431
                                                  Huntsville.
US 78................  End of 4-lane W. of AL 5  I-59 Birmingham.
                        Jasper.
US 80................  AL 14 W. Int. Selma.....  US 82 Montgomery.
US 82................  Coker W. of I-59........  Eoline W. of AL 5.
US 82................  AL 206 Prattville.......  US 231 N. Int.
                                                  Montgomery.
US 84................  AL 92 E. of Daleville     End of 4-lane E. of
                        (via AL 210 Dothan        Dothan.
                        Cir.).
US 98................  I-10 Daphne.............  End of 4-lane near
                                                  Fairhope.
US 231...............  FL State Line (via AL     End of 4-lane N. of
                        210 Dothan Circle.).      Wetumpka.
US 231...............  Arab....................  TN State Line.
US 280...............  US 31 Mountain Brook....  AL 22 Alexander City.
US 280...............  I-85 Opelika............  GA State Line Phenix
                                                  City.
US 431...............  AL 210 Dothan...........  AL 173 Headland.
US 431...............  I-20 Anniston...........  AL 79 N. Int. Columbus
                                                  City (via I-59--AL 77
                                                  Gadsden).
US 431...............  CR 8 New Hope...........  TN State Line.
AL 21................  US 31 Atmore............  I-65 N. of Atmore.
AL 21................  US 431 Anniston.........  Jacksonville.
AL 67................  I-65 Priceville.........  US 72 Alt. W. of
                                                  Decatur.
AL 79................  I-59 Birmingham.........  Pinson.
AL 152...............  US 231 N. Int.            I-65 N. Int.
                        Montgomery.               Montgomery.
AL 210...............  Dothan Circle (Beltway).
AL 248...............  US 84 Enterprise........  Ft. Rucker.
AL 249...............  Ft. Rucker..............  US 231.

------------------------------------------------------------------------
                                 Alaska

------------------------------------------------------------------------
AK 1.................  Potter Weigh Station      AK 3 Palmer.
                        Anchorage.
AK 2.................  AK 3 Fairbanks..........  Milepost 1412 Delta
                                                  Junction.
AK 3.................  AK 1 Palmer.............  AK 2 Fairbanks.

 Note: Routes added to the Interstate System under 23 U.S.C. 139(c) are
              included only to the extent designated above.

------------------------------------------------------------------------
                                 Arizona

------------------------------------------------------------------------
US 60................  I-10 Brenda.............  I-17 Phoenix.
US 60................  AZ 87 Mesa..............  AZ 70 Globe.
US 60................  AZ 260 E. Int. Show Low.  NM State Line.
US 64................  US 160 Teec Nos Pos.....  NM State Line.
US 70................  US 60 Globe.............  NM State Line.
US 80................  AZ 92 Bisbee............  NM State Line.
US 89................  I-10 Tucson.............  US 60 Florence
                                                  Junction.
US 89................  AZ 69 Prescott..........  I-40 Ash Fork.
US 89................  I-40 Flagstaff..........  UT State Line.
US 95................  Mexican Border..........  I-8 Yuma.
US 160...............  US 89 Tuba City.........  NM State Line.
US 163...............  US 160 Kayenta..........  UT State Line.
US 666...............  I-10 Bowie..............  US 70 Safford.
US 666...............  US 60 Springerville.....  I-40 Sanders.
US 666...............  Mexican Border..........  US 80 Douglas.
AZ 69................  US 89 Prescott..........  I-17 Cordes Junction.
AZ 77................  US 60 Show Low..........  I-40 Holbrook.
AZ 84................  I-10 Picacho............  AZ 87 E. of Eloy.
AZ 85................  I-8 Gila Bend (via I-8B)  I-10 Buckeye (via AZ 85
                                                  Spur).
AZ 87................  AZ 84 E. of Eloy........  AZ 387 W. of Coolidge.
AZ 87................  AZ 587 Chandler.........  US 60 Mesa.
AZ 90................  I-10 Benson.............  AZ 92 Sierra Vista.
AZ 169...............  AZ 69 Dewey.............  I-17 S. of Camp Verde.
AZ 189...............  Mexican Border..........  I-19 Nogales.
AZ 287...............  AZ 87 Coolidge..........  US 89 Florence.
AZ 360...............  I-10 Phoenix............  AZ 87 Mesa.
AZ 387...............  I-10 Exit 185...........  AZ 87 W. of Coolidge.
AZ 587 (Old AZ 93)...  I-10 Exit 175...........  AZ 87 Chandler.

------------------------------------------------------------------------
                                Arkansas

------------------------------------------------------------------------
  No additional routes have been federally designated; STAA-dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
                               California

------------------------------------------------------------------------
I-80 Bus. Loop (US 50- I-80 W. Sacramento......  I-80 near Watt Ave.,
 CA 51).                                          Sacramento.
US 6.................  US 395 Bishop...........  NV State Line.
US 50................  I-80 W. of Sacramento...  Sly Park Rd. Pollock
                                                  Pines.
US 95................  I-40 near Needles.......  NV State Line.
US 101...............  I-5 Los Angeles.........  I-80 San Francisco.
US 395...............  I-15 S. of Victorville..  NV State Line.
CA 2.................  I-5.....................  I-210 Los Angeles.
CA 10 (San Bern.       US 101..................  I-5 Los Angeles.
 Fwy.).
CA 14................  I-5 near San Fernando...  US 395 Ridgecrest.
CA 15................  I-5.....................  I-805 San Diego.
CA 22................  I-405 Seal Beach........  CA 55 Orange.

[[Page 266]]


CA 24................  I-580 Oakland...........  I-680 Walnut Creek.
CA 52................  I-5.....................  I-805 San Diego.
CA 55................  I-405 Costa Mesa........  CA 91 Anaheim.
CA 57................  I-5 Santa Ana...........  I-210 Pomona.
CA 58................  CA 99 Bakersfield.......  I-15 Barstow.
CA 60................  I-10 Los Angeles........  I-10 Beaumont.
CA 71................  I-210...................  CA 60 Pomona.
CA 78................  I-5 Carlsbad............  I-15 Escondido.
CA 85................  I-280 near San Jose.....  CA 101 Mountain View.
CA 91................  I-110 Los Angeles.......  I-215/CA 60 Riverside.
CA 92................  I-280 San Mateo.........  I-880 Hayward.
CA 94................  I-5.....................  CA 125 San Diego.
CA 99................  I-5 Wheeler Ridge.......  I-80 Bus. Loop/US 50
                                                  Sacramento.
CA 110...............  I-10....................  US 101 Los Angeles.
CA 118...............  I-405 Los Angeles.......  I-210 San Fernando.
CA 125...............  CA 94...................  I-8 La Mesa.
CA 133...............  I-405...................  I-5 near El Toro.
CA 134...............  US 101 Los Angeles......  I-210 Pasadena.
CA 163...............  I-8.....................  I-15 San Diego.
CA 170...............  US 101..................  I-5 Los Angeles.
CA 198...............  I-5 Coalinga............  CA 99 Visalia.
CA 215...............  I-15 N. of Temecula.....  CA 60 Riverside.
CA 905 (Old CA 117)..  I-5.....................  I-805 San Diego.

  Note: I-580 Oakland--All vehicles over 4\1/2\ tons (except passenger
   buses and stages) are prohibited on MacArthur Freeway between Grand
 Avenue and the north city limits of San Leandro. (Excepted under 23 CFR
                               658.11(f)).

------------------------------------------------------------------------
                                Colorado

------------------------------------------------------------------------
  No additional routes have been federally designated; STAA-dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
                               Connecticut

------------------------------------------------------------------------
CT 2.................  Columbus Blvd. Hartford.  I-395 Norwich.
CT 8.................  I-95 Bridgeport.........  US 44 Winsted.
CT 9.................  I-95 Old Saybrook.......  I-91 Cromwell.
CT 20................  CT 401 Bradley Intl.      I-91 Windsor.
                        Airport, Windsor Locks.
CT 401...............  CT 20 Windsor Locks.....  Bradley Intl. Airport
                                                  Access Rd., Windsor
                                                  Lks.

------------------------------------------------------------------------
                                Delaware

------------------------------------------------------------------------
US 13................  MD State Line...........  I-495 S. Int.
                                                  Wilmington.
US 40................  MD State Line...........  I-295/US 13 Wilmington.
US 113...............  MD State Line...........  US 13 Dover.
US 301...............  MD State Line...........  I-295/US 13 Wilmington.

------------------------------------------------------------------------
                          District of Columbia

------------------------------------------------------------------------
Anacostia Fwy/Ken.     I-295...................  MD State Line Cheverly
 Ave.                                             MD

Note: I-66--There is a 24 hour total truck ban on the Theodore Roosevelt
 Memorial Bridge and its approaches. (Excepted under 23 CFR 658.11(f).)

------------------------------------------------------------------------
                                 Florida

------------------------------------------------------------------------
US 27................  FL Turnpike Ext.........  FL 84 Andytown.
US 27................  South Bay...............  I-75 Ocala.
US 301...............  SR 24 Waldo.............  I-10.
FL 24................  SR 331 Gainesville......  US 301 Waldo.
FL 85................  FL 397 Valparaiso.......  I-10 near Crestview.
FL 202...............  I-95 Jacksonville.......  FL A-1-A.
FL 263...............  US 90 W. of Tallahassee.  I-10.
FL 331...............  I-75 S. of Gainesville..  FL 24.
FL 397...............  Entrance Eglin AFB......  FL 85 Valparaiso.
FL 528-FL 407........  I-4 Orlando.............  Cape Canaveral.
20th St. Expwy.......  1-95 Jacksonville.......  Adams St. near Matthews
                                                  Bridge.
FL Turnpike..........  S. End of Homestead       I-75 Wildwood.
                        Extension.

------------------------------------------------------------------------

                                 Georgia

------------------------------------------------------------------------
US 19................  FL State Line...........  US 82 Albany.
US 23/GA 365.........  I-985 near Gainesville..  US 441 near Cornelia.
US 25................  I-16....................  N. of Statesboro.
US 27................  GA 53 Rome..............  US 278 Cedartown.
US 27................  FL State Line...........  GA 38 Bainbridge.
US 27 Alternate GA 85  I-185 Columbus..........  Ellerslie.
US 29................  US 78 W. Interchange....  US 129/441 E.
                                                  Interchange Athens.
US 41................  I-75 W. of Morrow.......  Near Barnesville.
US 41................  GA 5 Connector..........  County Road 633
                                                  Emerson.
US 76................  I-75 Dalton.............  US 411 Chatsworth.
US 78-US 29..........  GA 138 Monroe...........  US 29 W. Interchange
                                                  Athens.
US 78/GA 410.........  Valleybrook Rd.           GA 10 Stone Mountain.
                        Scottsdale.
US 78/GA 10..........  Stone Mountain Freeway..  Monroe Bypass.
US 80/GA 22..........  AL State Line...........  GA 85 Columbus.
US 82/GA 520.........  Dawson..................  I-95 Exit 6 Brunswick.
US 84/GA 38..........  Alabama State Line......  I-75.
US 84/GA 38..........  GA 520 Waycross.........  GA 32 Patterson.
US 129...............  I-16....................  Gray.
US 129...............  GA 247 Connector Warner   I-75 Macon.
                        Robins.
US 129/GA 11.........  I-85....................  I-985.
US 280/GA 520........  Alabama State Line......  Dawson.
US 319/GA 35.........  US 19/GA 300 Thomasville  US 82/GA 520 Tifton.
US 411-US 41.........  US 27 Rome..............  I-75 near Emerson.
US 441/GA 31.........  US 82/GA 520 Pearson....  GA 135 Douglas.
US 441/GA 24.........  I-20....................  GA 22 Milledgeville.
US 441/GA 15.........  Athens Bypass...........  I-85.
GA 2.................  US 27 Fort Oglethorpe...  I-75.

[[Page 267]]


GA 5 Connector.......  I-75....................  US 41.
GA 6.................  I-20....................  GA 6 Bypass near
                                                  Dallas.
GA 6 Bypass..........  E. of Dallas............  W. of Dallas.
GA 10 Loop...........  E. and S. Bypass in       .......................
                        Athens.
GA 14 Spur...........  US 29/Welcome All Road..  I-85/285 S. Interchange
                                                  Atlanta.
GA 21................  I-95 Monteith...........  GA 204 Savannah.
GA 25................  GA 520..................  GA 25 Spur.
GA 25 Spur...........  US 17 N. of Brunswick...  I-95 Exit 8.
GA 53................  Rome....................  I-75 Calhoun.
GA 61................  I-20....................  GA 166 near Carrollton.
GA 85................  Fayetteville............  I-75.
GA 138...............  I-20 Conyers............  US 78 Monroe.
GA 166...............  GA 61...................  End of 4-lane section
                                                  of W. GA 1 Carrollton.
GA 247C..............  I-75....................  GA 247 Warner Robins.
GA 300...............  US 82 Albany............  I-75 near Cordele.
GA 316...............  I-85....................  US 29.
GA 400...............  I-285 near Atlanta......  GA 60.
GA 515...............  I-575...................  Blairsville.
GA 520...............  I-95....................  GA 25.

Note: Atlanta area--Interstate highways within the I-285 beltway are not
     available to through trucks with more than 6 wheels because of
                              construction.

------------------------------------------------------------------------
                                 Hawaii

------------------------------------------------------------------------
HI 61................  HI 98 (Vineyard           Kawainui Bridge Kailua.
                        Boulevard).
HI 63................  HI 92 (Nimitz Hwy.).....  HI 83 (Kahekili Hwy.).
HI 64................  Sand Island Park........  HI 92 (Nimitz Hwy.).
HI 72................  61 Kailua/Waimanalo       Ainakoa.
                        Junction.
HI 78................  H-1 Middle St...........  HI 99 (Kamehameha Hwy.)
                                                  Aiea.
HI 83................  HI 99 Weed Junction.....  HI 61 (Kalanianaole
                                                  Hwy).
HI 92................  Pearl Harbor/Main Gate..  Kalakaua Avenue.
HI 93................  Beginning of H-1........  Makaha Bridge.
HI 95................  H-1.....................  Barbers Point Harbor.
HI 99................  Pearl Harbor Int........  HI 83 Weed Junction.

------------------------------------------------------------------------
                                  Idaho

------------------------------------------------------------------------
I-15B................  I-15/US 26 S. of Idaho    US 26 N. Int. Idaho
                        Falls.                    Falls.
US 2.................  Dover...................  US 95 Sandpoint.
US 2.................  US 95 Bonners Ferry.....  MT State Line.
US 20/26.............  OR State Line...........  I-84 W. Caldwell Int.
                                                  Caldwell
US 20................  I-84 Mountain Home......  MT State Line.
US 26................  I-84 Bliss..............  I-15 Blackfoot.
US 30................  US 95 Fruitland.........  ID 72 New Plymouth.
US 30................  I-15 McCammon...........  WY State Line.
US 89................  UT State Line...........  US 30 Montpelier.
US 91................  UT State Line...........  I-15 Virginia.
US 93................  NV State Line...........  Arco.
US 95................  OR State Line S. of       OR State Line Weiser
                        Marsing.                  (via US 95 Spur).
US 95................  Grangeville.............  Moscow.
US 95................  I-90 Coeur D'Alene......  US 2 Bonners Ferry.
ID 16................  ID 44 Star..............  Emmett.
ID 28................  ID 33 Mud Lake..........  US 93 Salmon.
ID 33................  ID 28 Mud Lake..........  US 20 Rexburg
ID 44................  I-84 Caldwe1l...........  ID 55 Eagle.
ID 51................  NV State Line...........  I-84 Mountain Home.
ID 53................  WA State Line...........  US 95 Garwood.
ID 55................  US 95 Marsing...........  I-84 Nampa.
ID 55................  US 20/26 S. of Eagle....  ID 44 Eagle.
ID 75................  US 93 Shoshone..........  Ketchum.
ID 87................  US 20 N. of Macks Inn...  MT State Line.

------------------------------------------------------------------------
                                Illinois

------------------------------------------------------------------------
US 20................  US 20 BR W. of Rockford.  I-39 Rockford.
US 36................  IL 100 NW. of Winchester  I-55 Springfield.
US 50................  US 50 BR E. of            IN State Line.
                        Lawrenceville.
US 51................  US 51 BR S. of Decatur..  I-72 Decatur.
US 67................  IL 92 Rock Island.......  IA State Line.
IL 6.................  I-74/474 Peoria.........  IL 88 N. of Peoria.
IL 53................  Army Trail Rd. Addison..  IL 68 Arlington
                                                  Heights.
IL 92................  I-280 Rock Island.......  US 67 Rock Island.
IL 336...............  IL 57 Fall Creek........  US 24 NE. of Quincy.
IL 394...............  IL 1 Goodenow...........  I-80/94/294 S. Holland.
IL Toll Hwys.........  All Routes..............

------------------------------------------------------------------------
                                 Indiana

------------------------------------------------------------------------
 No additional routes have been federally designated; STAA- dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
                                  Iowa

------------------------------------------------------------------------
 Note: Iowa State law allows STAA-dimensioned vehicles to operate on all
highways in the State. The routes shown below were incorporated into the
                         NN by the FHWA in 1984.

------------------------------------------------------------------------
US 6.................  NE State Line...........  I-80 Council Bluffs.
US 6.................  IA 48 Lewis.............  I-80 N. of Wilton.
US 6.................  IA 130 Davenport........  I-74.
US 18................  WCL Rock Valley.........  WI State Line.
US 20................  I-29 Sioux City.........  IL State Line.
US 30................  Missouri River Bridge     IL State Line Clinton.
                        (NE).
US 34................  Missouri River Bridge     IL State Line
                        (NE).                     Burlington.
US 52................  US 61 Dubuque...........  IA 386 N. Int.
                                                  Sageville.
US 52................  IA 3 Luxemburg..........  US 18 E. Int.
US 52................  ECL Calmar..............  Burr Oak.
US 59................  IA 2 Shenandoah.........  IA 184.
US 59................  IA 92 Carson............  US 6 N. Int.
US 59................  IA 83 Avoca.............  US 30 Denison.
US 59................  US 20 Holstein..........  IA 3.

[[Page 268]]


US 59................  IA 10 E. Int. W. of       US 18 Sanborn.
                        Sutherland.
US 61................  Des Moines River Bridge   WI State Line.
                        (MO) Keokuk.
US 63................  MO State Line...........  IA 146 New Sharon.
US 63................  I-80 Malcom.............  NCL Chester.
US 65................  US 34 N. Int. Lucas.....  IA 117/330.
US 65................  US 30 Colo..............  Sheffield.
US 65................  SCL Mason City..........  IA 105 Northwood.
US 67................  IL State Line Davenport.  4.64 Miles N. of
                                                  Clinton.
US 69................  SCL Lamoni..............  I-35.
US 69................  US 6/65 Des Moines......  IA 105 Lake Mills.
US 71................  MO State Line...........  IA 196 Ulmer.
US 71................  US 20 Early.............  MN State Line.
US 75................  I-29 N. Int. Sioux City.  IA 9 E. Int.
US 77................  NE State Line...........  I-29 Sioux City.
US 136...............  Des Moines River Bridge   Mississippi River
                        (MO).                     Bridge Keokuk.
US 151...............  I-80 E. of Williamsburg.  US 61 S. Int.
US 169...............  SCL Arispe..............  IA 92 Winterset.
US 169...............  SCL Desoto..............  I-80.
US 169...............  US 6 Adel...............  IA 141 Perry.
US 169...............  US 30 Beaver............  IA 3.
US 169...............  US 18 Algona............  IA 9 W. Int. Swea City.
US 218...............  US 136 Keokuk...........  IA 92 Ainsworth.
US 218...............  IA 22 Riverside.........  IA 227.
IA 1.................  IA 16 N. Int............  IA 78 W. Int. Richland.
IA 1.................  IA 92 N. Int............  IA 22 Kalona.
IA 1.................  US 6/218 N. Int. Iowa     I-80 Iowa City.
                        City.
IA 1.................  SCL Martelle............  US 151.
IA 2.................  NE State Line...........  IA 25 W. of Mt. Ayr.
IA 2.................  Decatur Co. Line........  Mississippi River
                                                  Bridge (IL) Ft.
                                                  Madison.
IA 3.................  SD State Line...........  IA 12 N. Int. Akron.
IA 3.................  US 75 Le Mars...........  IA 7.
IA 3.................  IA 17 E. Int. Goldfield.  IA 13 W. Int.
IA 4.................  IA 3 Pocahontas.........  US 18 E. Int.
IA 4.................  SCL Wallingford.........  IA 9 Estherville.
IA 5.................  IA 2 Centerville........  I-35.
IA 7.................  IA 3....................  US 71 N. Int. Storm
                                                  Lake.
IA 7.................  Barnum..................  US 20 Fort Dodge.
IA 8.................  US 63 Traer.............  US 218.
IA 9.................  IA 60...................  IA 26 Lansing.
IA 10................  US 59 E. Int............  ECL Sutherland.
IA 12................  US 20...................  NCL Sioux City.
IA 13................  US 30 Bertram...........  US 52.
IA 14................  IA 92/5.................  NCL Newton.
IA 14................  US 30 Marshalltown......  US 20 S. Int.
IA 15................  US 18 Whittemore........  IA 9 W. Int.
IA 16................  NCL Eldon...............  IA 1 N. Int.
IA 16................  Denmark.................  US 61 Wever.
IA 17................  IA 141 Granger..........  IA 3 E. Int.
IA 21................  SCL What Cheer..........  IA 412 Waterloo.
IA 22................  WCL Wellman.............  IA 70 W. Int.
IA 23................  US 63 Ottumwa...........  IA 137 Eddyville.
IA 25................  IA 2....................  IA 92 Greenfield.
IA 25................  IA 925 W. Int...........  IA 44 Guthrie Center.
IA 26................  IA 9 Lansing............  New Albin.
IA 28................  IA 92...................  US 6 Des Moines.
IA 31................  SCL Correctionville.....  US 59.
IA 37................  WCL Earling.............  US 59.
IA 38................  US 61 Muscatine.........  I-80.
IA 38................  SCL Tipton..............  US 30 E. Int.
IA 39................  US 59 Denison...........  Deloit.
IA 44................  US 71 Hamlin............  IA 141.
IA 46................  IA 5....................  IA 163 Des Moines.
IA 48................  US 59 Shenandoah........  NCL Essex.
IA 48................  US 34 Red Oak...........  US 6.
IA 49................  SCL Lenox...............  US 34.
IA 51................  US 18 Postville.........  IA 9.
IA 55................  Seymour.................  IA 2.
IA 60................  US 75 Lemars............  MN State Line.
IA 62................  US 61 Maquoketa.........  US 52 Bellevue.
IA 64................  US 151 Anamosa..........  US 61.
IA 70................  Columbus City...........  IA 22 W. Int.
IA 77................  IA 92...................  Keota.
IA 78................  IA 149..................  IA 249 Winfield.
IA 78................  WCL Morning Sun.........  US 61.
IA 83................  S. of Walnut............  US 6 Atlantic.
IA 85................  US 63 Montezuma.........  IA 21.
IA 86................  US 71...................  IA 9 Montgomery.
IA 92................  NE State Line...........  IA 48 Griswold.
IA 92................  WCL Fontanelle..........  IA 1 N. Int.
IA 92................  IA 1 S. Int.............  Cotter.
IA 93................  WCL Sumner..............  IA 150 Fayette.
IA 94................  I-380 Cedar Rapids......  Palo.
IA 96................  Gladbrook...............  US 63 Traer.
IA 99................  Toolesboro..............  US 61 Wapello.
IA 100...............  IA 151 Cedar Rapids.....  I-380.
IA 103...............  US 218..................  US 61 Fort Madison.
IA 105...............  US 69 Lake Mills........  US 218 St. Ansgar.
IA 107...............  SCL Thornton............  US 18 Clear Lake.
IA 110...............  US 20...................  IA 7 Storm Lake.
IA 111...............  US 18 Britt.............  Woden.
IA 117...............  IA 163 Prairie City.....  US 65.
IA 127...............  IA 183 S. Int...........  US 30 Logan.
IA 130...............  US 61/67 Davenport......  I-80.
IA 133...............  US 30...................  Nevada.
IA 136...............  ECL Delmar..............  WCL Lost Nation.
IA 136...............  SCL Worthington.........  US 52/IA 3 Luxemburg.
IA 137...............  IA 5 Albia..............  IA 23.
IA 141...............  I-29....................  US 30/59 Denison.
IA 141...............  WCL Manning.............  US 169.
IA 141...............  IA 210 Woodward.........  I-35 Urbandale.
IA 144...............  IA 141 Perry............  US 30 Grand Junction.
IA 145...............  I-29....................  ECL Thurman.
IA 146...............  US 63 New Sharon........  Dunbar.
IA 148...............  IA 2 Bedford............  US 34.
IA 148...............  IA 951 Carbon...........  I-80.
IA 149...............  US 63...................  IA 78 Martinsburg.
IA 149...............  SCL Williamsburg........  I-80.
IA 150...............  US 218 Vinton...........  IA 283.
IA 150...............  US 20...................  US 18 West Union.
IA 150 (Old).........  I-380 Center Point......  IA 150.
IA 157...............  US 63...................  Lime Springs.
IA 160...............  US 69/IA 415............  I-35 Ankeny.
IA 163...............  US 65 Des Moines........  IA 92 Oskaloosa.
IA 173...............  IA 83 Atlantic..........  I-80.
IA 175...............  NE State Line...........  ECL Onawa.
IA 175...............  US 71 S. Int............  ECL Lake City.
IA 175...............  Gowrie..................  ECL Dayton.
IA 175...............  WCL Stratford...........  ECL Radcliffe.
IA 175...............  US 65 N. Int............  US 63 Voorhies.
IA 181...............  Melcher-Dallas..........  IA 5/92.
IA 183...............  IA 127 N. Int...........  NCL Pisgah.
IA 184...............  WCL Randolph............  US 59.
IA 192...............  I-29/80.................  I-29 Council Bluffs.
IA 196...............  US 71...................  US 20 Sac City.
IA 210...............  IA 141..................  NCL Woodward.

[[Page 269]]


IA 210...............  IA 17 N. Int............  ECL Slater.
IA 215...............  Union...................  IA 175 Eldora.
IA 221...............  I-35....................  Roland.
IA 227...............  US 218..................  Stacyville.
IA 244...............  I-80....................  IA 191 Neola.
IA 249...............  IA 78...................  Winfield.
IA 272...............  Elma....................  US 63.
IA 273...............  WCL Drakesville.........  US 63.
IA 276...............  US 71...................  IA 327 Orleans.
IA 279...............  US 30...................  Atkins.
IA 281...............  WCL Fairbank............  IA 150.
IA 283...............  Brandon.................  IA 150.
IA 287...............  US 30...................  Newhall.
IA 300...............  Modale..................  I-29.
IA 316...............  IA 5 Pleasantville......  NCL Runnells.
IA 330...............  US 65...................  US 30 Marshalltown.
IA 363...............  IA 101..................  Urbana.
IA 401...............  US 6....................  Johnston.
IA 405...............  Lone Tree...............  IA 22.
IA 406...............  US 34...................  US 61 Burlington.
IA 415...............  US 6 Des Moines.........  IA 160.
IA 927...............  IA 38 Wilton............  1-280 Davenport.
IA 928...............  US 20/IA 17.............  US 20 Williams.
IA 930...............  US 30...................  Ames.
IA 939...............  IA 150 Independence.....  IA 187.
IA 964...............  IA 5/92.................  IA 975/14 Knoxville.
IA 967...............  US 20...................  Farley.
IA 975...............  IA 5/92.................  IA 964/14 Knoxville.
University Ave.......  US 20 SW. of Cedar Falls  US 218 Cedar Falls.

------------------------------------------------------------------------
                                 Kansas

------------------------------------------------------------------------
  No additional routes have been federally designated; STAA-dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
                                Kentucky

------------------------------------------------------------------------
I-471 Connector......  US 27 Highland Heights..  I-275/471 Interchange.
US 23................  Virginia State Line.....  US 119 near Jenkins.
US 23................  US 119 N. of Pikeville..  S. end U.S. Grant
                                                  Bridge South
                                                  Portsmouth.
US 23 Spur...........  US 60 Ashland (via 13th   Ohio State Line.
                        St. Bridge).
US 25/421............  Int. US 25/US 421 S. of   KY 876 Richmond.
                        Richmond.
US 25/421............  KY 418 (via KY 4).......  Nandino Blvd.,
                                                  Lexington.
US 25E...............  Virginia State Line.....  I-75 Exit 29 N. of
                                                  Corbin.
US 27................  Tennessee State Line      Ohio State Line.
                        (via KY 4 Lexington).
US 31W...............  Tennessee State Line....  KY 255 Park City.
US 31W...............  Byp US 31W N. of          I-264 Exit 8
                        Elizabethtown.            Louisville.
US 31W Byp...........  Western Kentucky Parkway  US 31W N. of
                        Exit 136.                 Elizabethtown.
US 41................  Pennyrile Parkway         Indiana State Line.
                        Henderson.
US 41................  Tennessee State Line....  Pennyrile Parkway near
                                                  SCL Hopkinsville.
US 45................  Jackson Purchase Parkway  US 60 Paducah.
                        N. of Mayfield.
US 60................  US 45 Paducah...........  Int. US 60/62 Paducah.
US 60................  US 60 Byp W. of           KY 69 Hawesville.
                        Owensboro.
US 60................  KY 144 Garrett..........  US 31W S. of Muldraugh.
US 60................  Int. US 421/KY 676        I-75 Exit 110
                        Frankfort (via KY 4       Lexington.
                        Lexington).
US 60................  KY 180 Cannonsburg......  US 23 Ashland.
US 60 Byp............  US 60 W. of Owensboro...  US 60 E. of Owensboro.
US 62................  I-24 Exit 7 Paducah (via  US 68.
                        US 60 Paducah).
US 62/68.............  Washington..............  Ohio State Line.
US 68................  US 62...................  I-24 Exit 16.
US 68................  I-24 Exit 65 E. of Cadiz  Green River Parkway
                        (via US 41                Exit 5 Bowling Green.
                        Hopkinsville).
US 68................  US 27 Paris (via Paris    Int. US 62/68
                        Byp).                     Washington.
US 119...............  KY 15 E. of Whitesburg..  US 23 near Jenkins.
US 119...............  US 25E S. of Pineville..  US 421 Harlan.
US 119...............  US 23 N. of Pikeville...  KY 1441.
US 127...............  KY 22 Owenton...........  KY 35 Bromley.
US 127...............  US 127 Byp N. of          US 60 Frankfort (via
                        Danville (via US 68       Lawrenceburg Byp.).
                        Harrosdburg).
US 127 Byp...........  US 127 S. of Danville...  US 127 N. of Danville.
US 127 Byp...........  US 127 S. of              US 127 N. of
                        Lawrenceburg.             Lawrenceburg.
US 150...............  US 62 Bardstown (via US   US 27 N. of Stanford.
                        68 Perryville, the
                        Danville Byp, and the
                        Stanford Byp).
US 150 Byp...........  US 127 S. of Danville...  US 150 E. of Danville.
US 150 Byp...........  US 150 N. of Stanford...  US 27 N. of Stanford.
US 231...............  US 60 Byp Owensboro.....  Indiana State Line.
US 421...............  0.1 mile S. of Harlan     US 119.
                        Appalachian Regional
                        Hospital.
US 421...............  Int. US 60/460 Frankfort  US 127 Wilkinson Blvd./
                                                  Owenton Rd.
                                                  Interchange Frankfort.
US 431...............  US 60 Byp Owensboro.....  US 60 (4th St.)
                                                  Owensboro.
US 460...............  I-64 Exit 110 N. of Mt.   KY 686 Mt. Sterling.
                        Sterling.
US 460...............  E. end Mountain Pkwy.     US 23 W. of
                        Extension.                Paintsville.
US 641...............  Tennessee State Line....  KY 348 Benton.
KY 4.................  US 27 S. Lexington......  Entire Circle of
                                                  Lexington.
KY 11................  KY 3170 Lewisburg.......  US 62/68 Maysville.
KY 15................  US 119 Whitesburg (via    KY 15 Spur/KY 191
                        KY 7 Isom).               Campton.

[[Page 270]]


KY 15 Spur...........  KY 15/191 Campton.......  Mountain Parkway Exit
                                                  43.
KY 21................  I-75 Exit 76 W. of Berea  US 25 Berea.
KY 35................  US 127 Bromley..........  I-71 Exit 57.
KY 55................  Cumberland Parkway Exit   US 150 Springfield.
                        49 Columbia.
KY 61................  Peytonsburg.............  KY 90 Burkesville
KY 69................  US 60 Hawesville........  Indiana State Line.
KY 70/90.............  I-65 Exit 53............  US 31E Glasgow.
KY 79................  KY 1051 Brandenburg.....  Indiana State Line.
KY 80................  KY 80 Byp. E. of          US 25 N. of London.
                        Somerset.
KY 80................  KY 15 N. of Hazard......  US 23 Watergap.
KY 80/US 421.........  S. ramps Daniel Boone     2nd Street Manchester.
                        Parkway Exit 20.
KY 80 Byp............  US 27 Somerset..........  KY 80 E. of Somerset.
KY 90................  KY 61 Burkesville.......  US 27 Burnside.
KY 114...............  US 460 E. of              US 23/460 S. of
                        Salyersville.             Prestonburg.
KY 118...............  Int. US 421/KY 80 Hyden.  Daniel Boone Parkway
                                                  Exit 44.
KY 144...............  KY 448..................  US 60 Garrett.
KY 151...............  US 127 N. of              I-64 Exit 48.
                        Lawrenceburg.
KY 180...............  I-64 Exit 185...........  Int. US 60/KY 180
                                                  Cannonsburg.
KY 192...............  I-75 Exit 38............  Daniel Boone Parkway E.
                                                  of London.
KY 259...............  Western Kentucky Parkway  US 62 Leitchfield.
                        Exit 107.
KY 418...............  US 25/421 Lexington.....  I-75 Exit 104.
KY 446...............  US 31W Bowling Green....  I-65 Exit 28.
KY 448...............  KY 144..................  KY 1051 Brandenburg.
KY 555...............  US 150 Springfield......  Bluegrass Parkway Exit
                                                  42.
KY 676...............  US 127 Frankfort........  US 60/421 Frankfort.
KY 686...............  US 460 Mt. Sterling.....  KY 11 S. of Mt.
                                                  Sterling.
KY 876...............  I-75 Exit 87 Richmond...  KY 52.
KY 922...............  KY 4 Lexington..........  I-64/75 Exit 115.
KY 1051..............  KY 448 S. of Brandenburg  KY 79.
KY 1682..............  US 68 W. of Hopkinsville  Pennyrile Parkway Exit
                                                  12 NCL Hopkinsville.
KY 1958..............  KY 627 S. of Winchester.  I-64 Exit 94
                                                  Winchester.
Audubon Parkway......  Pennyrile Parkway Exit    US 60 Byp Owensboro.
                        77 Henderson.
Blue Grass Parkway...  I-65 Exit 93 E. of        US 60 E. of Versailles.
                        Elizabethtown.
Cumberland Parkway...  I-65 Exit 43 N. of Hays.  US 27 Somerset.
Daniel Boone Parkway.  US 25 N. of London......  KY 15 N. of Hazard.
Green River Parkway..  I-65 Exit 20 S.E. of      US 60 Byp Owensboro.
                        Bowling Green.
Jackson Purchase       Tennessee State Line....  I-24 Exit 25 E. of
 Parkway.                                         Calvert City.
Mountain Parkway and   I-64 Exit 98 E. of        US 460 Salyersville.
 Mountain Parkway       Winchester.
 Extension.
Pennyrile Parkway....  US 41 Alt. Hopkinsville.  US 41 Henderson.
Western Kentucky       I-24 Exit 42 S. of        I-65 Exit 91 S. of
 Parkway.               Eddyville.                Elizabethtown.
   Note: US 23 crosses the Ohio River between South Portsmouth, KY and
  Portsmouth, OH via the U.S. Grant Bridge. Although the state line is
  near the Ohio shoreline, putting most of the bridge in Kentucky, the
    terminal point for US 23 is listed as the south end of the bridge
            because the bridge is maintained by the Ohio DOT.

------------------------------------------------------------------------
                                Louisiana

------------------------------------------------------------------------
  No additional routes have been federally designated; STAA-dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
                                  Maine

------------------------------------------------------------------------
US 1.................  I-95 Brunswick..........  Old US 1 (Vicinity of
                                                  Congress St.) Bath.
Scarboro Connector...  I-295 South Portland....  US 1 Scarborough.
South Portland Spur..  I-95 South Portland.....  US 1 South Portland.

------------------------------------------------------------------------
                                Maryland

------------------------------------------------------------------------
US 13................  VA State Line...........  DE State Line.
US 15................  US 40/340 Frederick.....  MD 26 Frederick.
US 40................  US 15/340 Frederick.....  I-70/270 Frederick.
US 48................  WV State Line...........  I-70 Hancock.
US 50................  MD 201/Kenilworth Ave.    US 13 Salisbury.
                        Cheverly.
US 301...............  VA State Line...........  DE State Line.
US 340...............  MD 67 Weverton..........  US 15/40 Frederick.
MD 3.................  US 50/301 Bowie.........  I-695/MD 695 Glen
                                                  Burnie.
MD 4.................  I-95 Forestville........  US 301 Upper Marlboro.
MD 10................  MD 648 Glen Burnie......  MD 695 Glen Burnie.
MD 100...............  MD 3....................  MD 607 Jacobsville.
MD 201 (Kenilw. Ave.)  D.C. Line...............  US 50 Cheverly.
MD 295...............  I-695 Linthicum.........  I-95 Baltimore.
MD 695...............  I-695/MD 3 Glen Burnie..  I-95/695 Kenwood.
MD 702...............  Old Eastern Avenue......  MD 695 Essex.

 Note: I-895 Baltimore--Widths over 96 inches and tandem trailers may be
    prohibited on the Harbor Tunnel Thruway because of construction.

------------------------------------------------------------------------
                              Massachusetts

------------------------------------------------------------------------
US 3.................  I-95 Burlington.........  NH State Line.
MA 2.................  I-190 Leominister.......  I-495 Littleton.
MA 24................  I-195 Fall River........  I-93 Randolph.
MA 140...............  I-195 New Bedford.......  MA 24 Taunton.


[[Page 271]]


   Note: I-93 Boston--Restrictions may be applied, when necessary, to
portions of I-93 affected by reconstruction of the Central Artery (I-93)
           and construction of the Third Harbor Tunnel (I-90).

------------------------------------------------------------------------
                                Michigan

------------------------------------------------------------------------
I-75 Conn............  US 24BR Pontiac.........  I-75.
US 2.................  WI State Line Ironwood..  WI State Line S. of
                                                  Crystal Falls.
US 2.................  WI State Line Iron        I-75 St. Ignace.
                        Mountain.
US 8.................  US 2 Norway.............  WI State Line.
US 10................  Ludington...............  I-75 Bay City.
US 12................  IN State Line...........  I-94 W. Jct. Ypsilanti.
US 23................  OH State Line...........  I-75 Mackinaw City.
US 24................  OH State Line...........  MI 15 Waterford.
US 24BR..............  US 24 S. of Pontiac.....  MI 1 Pontiac.
US 27................  IN State Line...........  I-75 S. of Grayling.
US 31................  IN State Line...........  I-75 Mackinaw City.
US 33................  IN State Line...........  US 12 Niles.
US 41................  WI State Line...........  Houghton.
US 45................  WI State Line...........  MI 26 Rockland.
US 127...............  OH State Line...........  I-69/US 27 N. of
                                                  Lansing.
US 131...............  IN State Line...........  US 31 Petoskey.
US 141...............  WI State Line S. of       US 41/MI 28.
                        Crystal Falls.
US 223...............  US 23...................  US 12/127 Somerset.
MI 10................  I-375 Detroit...........  Orchard Lake Road.
MI 13................  I-69 Lennon.............  I-75 Saginaw (via MI
                                                  81).
MI 13................  I-75 Kawkawlin (via I-75  US 23 Standish.
                        Conn.).
MI 14................  I-94 Ann Arbor..........  I-96/275 Plymouth.
MI 15................  US 24 Clarkston.........  MI 25 Bay City.
MI 18................  US 10...................  MI 61 Gladwin.
MI 20................  US 31 New Era...........  MI 37 White Cloud.
MI 20................  US 27 Mt. Pleasant......  US 10 Midland.
MI 21................  I-96 near Grand Rapids..  I-69 Flint.
MI 24................  I-75 Auburn Hills (via I- I-69 Lapeer.
                        75 Conn.).
MI 24................  MI 46...................  MI 81 Caro.
MI 26................  US 45 Rockland..........  MI 38.
MI 27................  I-75....................  US 23 Cheboygan.
MI 28................  US 2 Wakefield..........  I-75.
MI 32................  Hillman.................  Alpena.
MI 33................  Mio.....................  Fairview.
MI 35................  US 2/41 Escanaba........  US 2/41 Gladstone.
MI 36................  US 127 Mason............  Dansville.
MI 37................  MI 55...................  US 31/MI 72 Traverse
                                                  City.
MI 37................  I-96 Grand Rapids.......  MI 46 Kent City.
MI 38................  US 45 Ontonagon.........  US 41 Baraga.
MI 39................  I-75 Lincoln Park.......  MI 10 Southfield.
MI 40................  MI 89 Allegan...........  US 31BR/I-196BL
                                                  Holland.
MI 43................  MI 37 Hastings..........  US 127 Lansing.
MI 46................  US 131 Howard City......  MI 25 Port Sanilac.
MI 47................  I-675 Saginaw (via MI     US 10.
                        58).
MI 50................  MI 43/66 Woodbury.......  MI 99 Eaton Rapids.
MI 50................  US 127 S. Jct...........  I-75 Monroe.
MI 51................  US 12 Niles.............  I-94.
MI 52................  OH State Line...........  US 12 Clinton.
MI 52................  I-96 Webberville........  MI 46 W. of Saginaw.
MI 53................  MI 3 Detroit............  MI 25 Port Austin.
MI 55................  US 31 Manistee..........  I-75.
MI 55................  MI 65...................  US 23 Tawas City.
MI 57................  US 131 N. of Rockford...  US 27.
MI 57................  MI 52 Chesaning.........  I-75 Clio.
MI 59................  US 24 BR Pontiac........  I-94.
MI 60................  MI 62 Cassopolis........  I-69/US 27.
MI 61................  MI 115..................  US 27 Harrison.
MI 61................  MI 18 Gladwin...........  US 23 Standish.
MI 63................  US 31 Scottdale.........  I-196.
MI 65................  US 23 Omer..............  MI 55.
MI 65................  MI 72 Curran............  MI 32.
MI 65................  Posen...................  US 23 N. of Posen.
MI 66................  IN State Line...........  US 12 Sturgis.
MI 66................  Battle Creek............  MI 78.
MI 66................  MI 43/50 Woodbury.......  MI 46 Edmore.
MI 67................  US 41 Trenary...........  MI 94 Chatham.
MI 68................  US 31/131 Petoskey......  US 23 Rogers City.
MI 69................  US 2/141 Crystal Falls..  MI 95 Sagola.
MI 72................  US 31/MI 37 Traverse      US 23 Harrisville.
                        City.
MI 77................  US 2....................  MI 28 Seney.
MI 78................  MI 66...................  I-69 Olivet.
MI 81................  MI 24 Caro..............  MI 53.
MI 82................  MI 37 S. Jct. Newago....  US 131.
MI 83................  Frankenmuth.............  I-75.
MI 84................  I-75....................  MI 25 Bay City.
MI 89................  MI 40 Allegan...........  US 131.
MI 94................  US 41...................  MI 28 Munising.
MI 95................  US 2 Iron Mountain......  US 41/MI 28.
MI 104...............  US 31 Grand Haven.......  I-96.
MI 115...............  US 27...................  MI 22 Frankfort.
MI 117...............  US 2 Engadine...........  MI 28.
MI 123...............  I-75 N. of St. Ignace...  MI 28.
MI 142...............  MI 25 Bay Port..........  MI 53.
MI 205...............  IN State Line...........  US 12 W. of Union.

------------------------------------------------------------------------
                                Minnesota

------------------------------------------------------------------------
US 2.................  ND State Line E. Grand    I-35 Duluth.
                        Forks.
US 10................  CH 11 E. of Moorhead....  I-694 Arden Hills.
US 12................  US 59 Holloway..........  I-94 Minneapolis.
US 14................  US 75 Lake Benton.......  US 52 Rochester.
US 52................  I-90 S. of Rochester....  MN 110 Inver Grove Hts.
US 53................  I-35/535 Duluth.........  US 169 S. Int.
                                                  Virginia.
US 59................  I-90 Worthington........  MN 30 S. Int. Slayton.
US 59................  MN 7 Appleton...........  US 12 Holloway.
US 59................  I-94 N. Int. Fergus       MN 175 Lake Bronson.
                        Falls.
US 61................  WI State Line...........  MN 60 Wabasha.
US 61................  MN 55 Hastings..........  I-94 St. Paul.
US 61................  I-35 Duluth.............  CH 2 Two Harbors.
US 63................  I-90 Rochester..........  US 52 Rochester.
US 63................  MN 58 Red Wing..........  WI State Line.
US 71................  IA State Line...........  MN 34 Park Rapids.
US 75................  I-90....................  US 2 Crookston.
US 75................  MN 175 Hallock..........  Canadian Border.
US 169...............  I-90 Blue Earth.........  US 212 Chanhassen.
US 169...............  I-94 Brooklyn Park......  MN 23 Milaca.
US 169...............  US 2 Grand Rapids.......  US 53 S. Int. Virginia.
US 212...............  SD State Line...........  MN 62 Edina.
US 218...............  I-90 Austin.............  US 14 Owatonna.

[[Page 272]]


MN 1.................  ND State Line...........  US 59/MN 32 Thief River
                                                  Falls.
MN 3.................  MN 110 Inver Grove Hts..  I-94 St. Paul.
MN 5.................  MN 22 Gaylord...........  US 212.
MN 7.................  US 75 near Odessa.......  MN 100 St. Louis Park.
MN 9.................  US 12 Benson............  US 59 Morris.
MN 11................  MN 32 Greenbush.........  MN 72 Baudette.
MN 13................  I-90....................  MN 14 Waseca.
MN 15................  I-90 Fairmont...........  MN 60.
MN 15................  US 14 New Ulm...........  MN 19 Winthrop.
MN 19................  US 59 Marshall..........  MN 22 Gaylord.
MN 22................  MN 109 Wells............  US 14/MN 60 Mankato.
MN 22................  US 212 Glencoe..........  US 12 Litchfield.
MN 23................  US 75 Pipestone.........  I-35 near Hinckley.
MN 24................  I-94 Clearwater.........  US 10 Clear Lake.
MN 25................  I-94 Monticello.........  US 10 Big Lake.
MN 27................  MN 29 Alexandria........  MN 127 Osakis.
MN 27................  US 71 N. Int. Long        US 10 Little Falls.
                        Prairie.
MN 28................  SD State Line Browns      I-94/US 71 Sauk Centre.
                        Valley.
MN 29................  I-94 Alexandria.........  MN 27 Alexandria.
MN 30................  US 75 Pipestone.........  US 59 S. Int. Slayton.
MN 32................  US 59/MN 1 Thief River    MN 11 Greenbush.
                        Falls.
MN 33................  I-35 Cloguet............  US 53 Independence.
MN 34................  US 71 Park Rapids.......  MN 371 Walker.
MN 36................  I-35W Roseville.........  MN 95 Oak Park Hts.
MN 43................  I-90 Wilson.............  US 61 Winona.
MN 55................  MN 28 Glenwood..........  7th St. N., W. Int.
                                                  Minneapolis.
MN 55................  I-94 E. Int. Minneapolis  MN 3 Inver Grove Hts.
MN 60................  IA State Line Bigelow...  US 14/169 Mankato.
MN 62................  US 212 Edina............  MN 100 Edina.
MN 65................  I-694 Fridley...........  MN 23 Mora.
MN 68................  US 75 Canby.............  MN 19 Marshall.
MN 101...............  I-94 Rogers.............  US 10 Elk River.
MN 109...............  I-90 Alden..............  MN 22 Wells.
MN 175...............  US 75 Hallock...........  US 59.
MN 210...............  ND State Line             US 59 W. Int. Fergus
                        Breckenridge.             Falls.
MN 210...............  US 10 Motley............  I-35 Carlton.
MN 371...............  US 10 Little Falls......  US 2 Cass Lake.

NOTE: I-35E St. Paul--The parkway segment of I-35E from 7th Street to I-
   94 is not available to trucks because of reduced design standards.

------------------------------------------------------------------------
                               Mississippi

------------------------------------------------------------------------
  No additional routes have been federally designated; STAA-dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
                                 Missouri

------------------------------------------------------------------------
US 24................  I-435 Kansas City.......  US 65 Waverly.
US 24................  US 36 E. Jct. W. of       IL State Line.
                        Hannibal.
US 36................  KS State Line St. Joseph  IL State Line Hannibal.
US 40................  I-70 Wentzville.........  I-270 W. of St. Louis.
US 50................  I-470 Exit 7 Kansas City  I-44 Exit 247 Union.
US 54................  US 54BR Lake Ozark......  IL State Line.
US 59................  KS State Line...........  I-229 St. Joseph.
US 60................  OK State Line...........  US 71 Neosho.
US 60................  MO 37 Monett............  US 63 Cabool.
US 60................  2 Mi. E. of E. Jct. MO    I-55/57 Sikeston.
                        21 Ellsinore.
US 61................  I-70 Wentzville.........  IA State Line.
US 63................  AR State Line Thayer....  IA State Line.
US 65................  AR State Line Ridgedale.  IA State Line.
US 67................  AR State Line...........  I-55 Exit 174 Crystal
                                                  City.
US 67................  MO 367 N. of St. Louis..  IL State Line.
US 71................  AR State Line...........  I-435/470 Kansas City.
US 71................  I-29 Exit 53 N. of St.    US 136 Maryville.
                        Joseph.
US 71 Alt............  I-44 E. of Joplin.......  US 71 Carthage.
US 136...............  NE State Line...........  I-29 Exit 110 Rock
                                                  Port.
US 166...............  KS State Line...........  I-44 SW. of Joplin.
US 169...............  I-29 Kansas City........  MO 152 Kansas City.
US 412...............  AR State Line...........  I-55 Exit 19 Hayti.
MO 5.................  AR State Line...........  US 60 Mansfield.
MO 7.................  US 71 Harrisonville.....  MO 13 Clinton.
MO 13................  I-44 Springfield........  US 24 Lexington.
MO 25................  US 412 near Kennett.....  US 60 Dexter.
MO 37................  MO 76 Cassville.........  US 60 Monett.
MO 47................  US 50 Union.............  MO 100 Washington.
MO 84................  AR State Line...........  US 412 near Kennett.
MO 100...............  MO 47 Washington........  I-44 SE. of Washington.
MO 171...............  KS State Line/KS 57.....  US 71 Webb City.
MO 367...............  I-270 N. of St. Louis...  US 67 N. of St. Louis.

------------------------------------------------------------------------
                                 Montana

------------------------------------------------------------------------
  No additional routes have been federally designated; STAA-dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
                                Nebraska

------------------------------------------------------------------------
  No additional routes have been federally designated; STAA-dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
                                 Nevada

------------------------------------------------------------------------
  No additional routes have been federally designated; STAA-dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
                              New Hampshire
------------------------------------------------------------------------

US 3.................  MA State Line...........  NH 101A Nashua.
US 4/Spaulding Tpk...  I-95 Portsmouth.........  Exit 6 E. of Durham.

------------------------------------------------------------------------

[[Page 273]]


                               New Jersey
------------------------------------------------------------------------

US 130...............  US 322 Bridgeport.......  I-295 Logan Township.
US 130...............  I-295/NJ 44 West          I-295 West Deptford.
                        Deptford.
US 322...............  PA State Line...........  US 130 Bridgeport.
NJ 42................  Atlantic City Expwy.      I-295 Bellmawr.
                        Turnersville.
NJ 81................  I-95 Elizabeth..........  US 1/9 Newark Intl.
                                                  Airport.
NJ 440...............  I-287/I-95 Edison.......  NY State Line
                                                  Outerbridge Crossing.

------------------------------------------------------------------------
  Note: I-95--The following two sections of the New Jersey Turnpike are
     available to STAA-dimensioned vehicles. They were added to the
  Interstate System on March 3, 1983, but are not signed as Interstate.

------------------------------------------------------------------------
PA Tpk. Connector....  PA State Line...........  Exit 6 Mansfield.
NJ Tpk...............  Exit 6 Mansfield........  Exit 10 Edison.

------------------------------------------------------------------------
                               New Mexico

------------------------------------------------------------------------
US 56................  I-25 Springer...........  OK State Line.
US 60................  AZ State Line...........  I-25 Socorro.
US 62................  US 285 Carlsbad.........  TX State Line.
US 64................  AZ State Line...........  US 550 Farmington.
US 70................  AZ State Line...........  I-10 Lordsburg.
US 70................  I-10 Las Cruces.........  US 54 Tularosa.
US 70................  US 285 Roswell..........  US 84 Clovis.
US 80................  AZ State Line...........  I-10 Road Forks.
US 84................  TX State Line Clovis....  CO State Line.
US 87................  US 56 Clayton...........  TX State Line.
US 160...............  AZ State Line (Four       CO State Line.
                        Corners).
US 285...............  TX State Line S. of       CO State Line.
                        Carlsbad.
US 550...............  US 64 Farmington........  CO State Line.
US 666...............  I-40 Gallup.............  CO State Line.

------------------------------------------------------------------------
                                New York

------------------------------------------------------------------------
US 15................  Presho Int..............  NY 17 Corning.
US 20................  NY 75 Mt. Vernon........  Howard Rd. Mt. Vernon.
US 219...............  NY 39 Springville.......  I-90 S. of Exit 55.
NY 5.................  NY 174 Camillus.........  NY 695 Fairmont.
NY 5.................  ECL Schenectady.........  I-87 Colonie.
NY 5.................  NY 179 Woodlawn Beach...  NY 75 Mt. Vernon.
NY 7.................  Schenectady/Albany Co.    I-87 Colonie.
                        Line.
NY 8.................  CR 9/Main St. Sauquoit..  I-790 Utica.
NY 12................  I-790 Utica.............  Putnam Road Trenton.
NY 17................  Exit 24 Allegany........  I-87 Exit 16 Harriman.
NY 17................  NJ State Line...........  I-87 Exit 15 Suffern.
NY 33................  Michigan Ave. Buffalo...  Greater Buffalo Intl.
                                                  Airport.
NY 49................  NY 365 Rome.............  NY 291 near Oriskany.
NY 104...............  Maplewood Dr. Rochester.  Monroe/Wayne Co. Line.
NY 179...............  NY 5 Woodlawn Beach.....  I-90 Exit 56 Windom.
NY 198...............  I-190 Exit N11..........  NY 33 Buffalo.
NY 254...............  I-87 Glens Falls........  0.3 Miles E. of US 9.
NY 365...............  I-90 Exit 33............  NY 49 Rome.
NY 390...............  I-390/490 Rochester.....  NY 18 North Greece.
NY 400...............  I-90 Exit 54............  NY 16 South Wales.
NY 481...............  I-81 North Syracuse.....  NY 3 Fulton.
NY 590...............  I-490/590 Rochester.....  NY 104 Irondequoit.
NY 690...............  I-90/690 Lakeland.......  NY 370 Baldwinsville.
NY 695...............  NY 5 Fairmont...........  I-690 Solvay.
Berkshire Conn. (NY    I-87 Exit 21A S. of       I-90 Exit B1.
 912M).                 Albany.
Inner Loop (NY 940T).  I-490 W. Int. Rochester.  I-490 E. Int.
                                                  Rochester.
Walden Avenue (NY      I-90 Exit 52............  NY 277 Cheektowaga.
 952Q).

------------------------------------------------------------------------
                             North Carolina

------------------------------------------------------------------------
I-40 Conn............  US 19/23/74 Clyde.......  I-40 W. of Clyde.
I-95 BR..............  I-95 S. of Fayetteville.  I-95 N. of
                                                  Fayetteville.
US 1.................  US 74 Rockingham........  I-85 near Henderson.
US 15................  US 401 Laurinburg.......  US 1 Aberdeen.
US 15................  US 1 Northview..........  US 64 Pittsboro.
US 17................  SC State Line...........  US 74/76 W. of
                                                  Wilmington.
US 17................  SR 1409 E. of Wilmington  VA State Line.
US 19/US 23..........  I-240 Asheville.........  N. Int. Mars Hill.
US 23................  US 441 Franklin.........  US 74 Dillsboro.
US 25................  SC State Line...........  I-26 East Flat Rock.
US 25/US 70..........  US 19/23 Weaverville....  US 25/70 Bypass
                                                  Marshall.
US 29................  US 52 Lexington.........  VA State Line.
US 52................  NC 24/27 Albemarle......  VA State Line.
US 64................  I-40 Morganton..........  US 321 Lenoir.
US 64................  US 29 Lexington.........  US 15 Pittsboro.
US 64................  US 1/70/401 Raleigh.....  US 17 Williamston.
US 70................  I-77 Statesville........  I-85 Salisbury (via US
                                                  601).
US 70................  I-85 Durham.............  US 70A W. of
                                                  Smithfield.
US 70A...............  US 70 W. of Smithfield..  US 70 Princeton.
US 70................  US 70A Princeton........  Beaufort.
US 74................  TN State Line...........  I-40 Conn. Clyde.
US 74................  US 221 Rutherfordton....  I-85 Kings Mountain.
US 74 (See Note        I-277 Charlotte.........  US 17 W. Int.
 Below).                                          Wilmington.
US 74................  I-26 EXIT 36............  US 74 ALT: near Forest
                                                  City.
US 76................  US 17/74 W. Int.          SR 1409 E. of
                        Wilmington.               Wilmington.
US 158...............  I-40 Winston-Salem......  US 29 Reidsville.
US 158...............  I-85 Henderson..........  US 258 Murfreesboro.
US 220...............  US 74 Rockingham........  VA State Line.
US 221...............  US 74 Rutherfordton.....  I-40 Glenwood.
US 258...............  NC 24 N. Int. Richlands.  US 64 Tarboro.
US 258...............  US 158 Murfreesboro.....  VA State Line.
US 264...............  US 64 Zebulon...........  US 17 Washington.

[[Page 274]]


US 301...............  I-95 Kenly..............  NC 4 Battleboro.
US 321...............  SC State Line...........  I-85 Gastonia.
US 321...............  I-40 Hickory............  NC 18/90 Lenoir.
US 401...............  SC State Line...........  I-40 Raleigh.
US 421...............  Carolina Beach..........  I-95 Dunn.
US 421...............  US 1 Sanford............  US 64 Siler City.
US 421...............  I-40 Winston-Salem......  Wilkesboro.
US 521...............  SC State Line...........  I-77 Charlotte.
US 601...............  SC State Line...........  US 74 Monroe.
NC 4.................  I-95 Gold Rock..........  US 301 Battleboro.
NC 11................  US 70 Kinston...........  US 264 Greenville.
NC 24................  US 74 Charlotte.........  US 52 Albemarle.
NC 24................  NC 87 Spout Springs.....  I-95 Fayetteville.
NC 24................  US 421 Clinton..........  US 70 Mansfield.
NC 49................  I-85 Charlotte..........  US 64 Asheboro.
NC 87................  NC 24/27 Spout Springs..  US 1 Sanford.
SR 1409..............  US 76 E. of Wilmington..  US 17.
SR 1728..............  I-40 W. of Raleigh......  US 1/Wade Ave. Raleigh.
SR 1959-SR 2028......  US 70 Bethesda..........  I-40 S. of Durham.

  Note: US 74 Charlotte--STAA-dimensioned vehicles are subject to State
    restrictions on US 74 in Charlotte because of narrow lane widths.

------------------------------------------------------------------------
                              North Dakota

------------------------------------------------------------------------
US 2.................  MT State Line...........  MN State Line Grand
                                                  Forks.
US 10................  I-94 W. Fargo...........  MN State Line.
US 12................  MT State Line Marmarth..  SD State Line.
US 52................  I-94 Jamestown..........  Canadian Border.
US 81................  I-29 Manvel.............  I-29 Joliette.
US 83................  SD State Line...........  Canadian Border
                                                  Westhope.
US 85................  SD State Line...........  Canadian Border
                                                  Fortuna.
US 281...............  SD State Line Ellendale.  Canadian Border.
ND 1.................  ND 11 Ludden............  ND 13 S. Jct.
ND 5.................  MT State Line...........  US 85 Fortuna.
ND 11................  US 281 Ellendale........  ND 1 Ludden.
ND 13................  ND 1 S. Jct.............  MN State Line.
ND 32................  West Junction of ND       1-94.
                        Highway 13.
ND 68................  MT State Line...........  US 85 Alexander.
ND 200...............  MT State Line...........  US 85 Alexander.

------------------------------------------------------------------------
                                  Ohio

------------------------------------------------------------------------
  No additional routes have been federally designated; STAA-dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
                                Oklahoma

------------------------------------------------------------------------
  No additional routes have been federally designated; STAA-dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
                                 Oregon

------------------------------------------------------------------------
US 20................  OR 34 W. Int. Philomath.  ECL Sweet Home.
US 20................  OR 126 Sisters..........  ID State Line Nyssa.
US 26................  US 101 Cannon Beach       OR 126 Prineville.
                        Junction.
US 30................  US 101 Astoria..........  I-405 Portland.
US 30 BR.............  OR 201 Ontario..........  ID State Line.
US 95................  NV State Line...........  ID State Line.
US 95 Spur...........  OR 201..................  ID State Line Weiser,
                                                  ID.
US 97................  CA State Line...........  WA State Line.
US 101...............  SCL Port Orford.........  OR 126 Florence.
US 101...............  US 20 Newport...........  OR 18 Otis.
US 101...............  OR 6 Tillamook..........  WA State Line.
US 197...............  I-84 The Dalles.........  WA State Line.
US 199...............  CA State Line...........  OR 99 Grants Pass.
US 395...............  CA State Line...........  US 26 John Day.
US 395...............  I-84 Stanfield..........  US 730 near Umatilla.
US 730...............  I-84 Boardman...........  WA State Line.
OR 6.................  US 101 Tillamook........  US 26 Near Banks.
OR 8.................  OR 47 Forest Grove......  OR 217 Beaverton.
OR 11................  I-84 Pendelton..........  WA State Line.
OR 18................  US 101 Otis.............  OR 99W Dayton.
OR 19................  OR 206 Condon...........  I-84 Arlington.
OR 22................  OR 18 near Willamina....  US 20 Santiam Junction.
OR 31................  US 97 La Pine...........  US 395 Valley Falls.
OR 34................  OR 99W Corvallis........  US 20 Lebanon.
OR 35................  US 26 Government Camp...  I-84 Hood River.
OR 38................  US 101 Reedsport........  I-5 Anlauf.
OR 39................  CA State Line...........  OR 140 E. of Klamath
                                                  Falls.
OR 42................  US 101 Coos Bay.........  OR 42S Coquille.
OR 47................  OR 8 Forest Grove.......  US 26 N. of Banks.
OR 58................  I-5 Eugene..............  US 97 near Chemult.
OR 62................  Medford.................  OR 140 White City.
OR 78................  Burns...................  US 95 Burns Junction.
OR 99................  I-5 E. of Rogue River...  I-5 Grants Pass.
OR 99................  I-5 Eugene..............  OR 99W/E Junction City.
OR 99E...............  OR 99/99W Junction City.  I-5 Albany.
OR 99E...............  I-5 Salem...............  I-5 Portland.
OR 99W...............  OR 99/99E Junction City.  I-5 Portland.
OR 126...............  US 101 Florence.........  US 26 Prineville.
OR 138...............  OR 38 Elkton............  I-5 near Sutherlin.
OR 140...............  OR 62 White City........  OR 39 E. of Klamath
                                                  Falls.
OR 201...............  US 26 Cairo.............  US 95 Spur near Weiser,
                                                  ID.
OR 207...............  US 730 Cold Springs Jct.  OR 74 S. Int. Heppner.
OR 212...............  OR 224 E. Int. near Rock  US 26 near Boring.
                        Ck. Corner.
OR 214...............  I-5 Woodburn............  OR 213 Silverton.
OR 217...............  US 26 Beaverton.........  I-5 Tigard.
OR 223...............  Kings Valley Hwy. in      OR 99W Rickreall.
                        Dallas.
OR 224...............  OR 99E Milwaukie........  OR 212 E. Int. near
                                                  Rock Ck. Corner

------------------------------------------------------------------------
                              Pennsylvania

------------------------------------------------------------------------
US 1.................  US 13 Morrisville.......  NJ State Line.
US 6.................  Conneaut Lake Borough...  End of 4-lane Bypass
                                                  NE. of Meadville.

[[Page 275]]


US 11................  Turnpike Int. 16........  US 15 Harrisburg.
US 13................  US 1 Morrisville........  Turnpike Int. 29.
US 15................  Turnpike Int. 17........  US 11 Harrisburg Expwy.
US 15................  PA 642 West Milton......  White Deer Int.
US 15................  I-180/US 220              End of lim. acc.
                        Williamsport.             Williamsport.
US 20................  PA 89 North East........  I-90 Int. 12.
US 22................  WV State Line...........  I-79 Int. 15 Carnegie.
US 22................  I-78 Fogelsville........  NJ State Line.
US 30................  End of lim. acc. W. of    End of lim. acc. E. of
                        Greensburg.               Greensburg.
US 30................  PA 462 W. of York.......  PA 462 E. of Lancaster.
US 119...............  End of lim. acc. S. of    US 30 Greensburg.
                        Uniontown.
US 202...............  DE State Line...........  I-76 Int. 26 King of
                                                  Prussia.
US 209...............  PA 33 Snydersville......  I-80 Stroudsburg.
US 219...............  PA 601 N. of Somerset...  US 422 W. Int.
US 219...............  South Bradford Int......  NY State Line.
US 220...............  Turnpike Int. 11........  King.
US 220...............  End of lim. acc. Linden.  I-180/US 15
                                                  Williamsport.
US 220...............  PA 199 S. of Athens.....  NY State Line NY 17.
US 222...............  US 422 N. Int. Reading..  PA 61 S. of Tuckerton.
US 222...............  US 30 Lancaster.........  Turnpike Int. 21.
US 322...............  NJ State Line (Comm.      I-95 Chester.
                        Barry Br.).
US 322...............  I-83/283................  US 422/PA 39 Hershey.
US 422...............  US 322/PA 39 Hershey....  Hockersville Rd.
                                                  Hershey.
US 422...............  US 422 Bus. Reiffton....  US 422 Bus. Wyomissing.
PA 3.................  US 202..................  Garrett Rd. Upper
                                                  Darby.
PA 9.................  Turnpike Int. 25........  I-81 Int. 58 N. of
                                                  Scranton.
PA 28................  PA 8....................  Creighton.
PA 33................  US 22 Easton............  I-80.
PA 42................  I-80 Int. 34............  US 11 Bloomsburg.
PA 51................  US 119 Uniontown........  Monongahela Riv.
                                                  Elizabeth.
PA 54................  I-80 Int. 33............  US 11 Danville.
PA 60................  PA 51 Beaver Falls......  US 22.
PA 60-US 422.........  I-80 Int. 1.............  1 Mile E. of PA 65 New
                                                  Castle.
PA 61................  US 222 S. of Tuckerton..  I-78 Int. 9.
PA 93................  I-81 Int. 41............  PA 924 Hazelton.
PA 114...............  US 11 Hogestown.........  I-81 Int. 18.
PA 132...............  I-95 Cornwells Heights..  Turnpike Int. 28 (via
                                                  US 1 Connection).
PA 283...............  I-283 Int. 2............  US 30 Lancaster.
PA 924...............  I-81 Int. 40............  PA 93 Hazelton.
Airport Access (SR     PA 283..................  Harrisburg
 3032).                                           International Airport.
Harrisburg Exp. (Sr    US 11/15................  I-83 Int. 20.
 2022).
Reading Outer Loop     PA 183 Leinbachs........  US 222.
 (SR 3055).

------------------------------------------------------------------------
                               Puerto Rico

------------------------------------------------------------------------
PR 1.................  PR 2 Ponce..............  PR 52 Ponce.
PR 2.................  PR 22 San Juan..........  PR 1 Ponce.
PR 3.................  N. Ent. Roosevelt Roads   PR 26 Carolina.
                        Naval Sta..
PR 18................  PR 52 San Juan..........  PR 22 San Juan.
PR 22................  PR 26 San Juan..........  PR 165 Toa Baja.

PR 26................  PR 22 San Juan..........  PR 3 Carolina.
PR 30................  PR 52 Caguas............  PR 3 Humacao.
PR 52................  PR 1 Ponce..............  PR 18 San Juan.
PR 165...............  PR 22 Toa Baja..........  PR 2 Toa Baja.

 Note: Routes added to the Interstate System under 23 U.S.C. 139(c) are
              included only to the extent designated above.

------------------------------------------------------------------------
                              Rhode Island

------------------------------------------------------------------------
RI 10................  RI 195 Providence.......  I-95 Cranston.
RI 37................  I-295 Cranston..........  I-95 near Lincoln Park.
RI 146...............  I-95 Providence.........  I-295 N. of Lime Rock.
RI 195...............  I-295 Johnston..........  RI 10 Providence.

------------------------------------------------------------------------
                             South Carolina

------------------------------------------------------------------------
US 15/401............  NC State Line...........  US 52 Society Hill.
US 17................  I-95 Pocotaligo.........  US 21 Gardens Corner.
US 17................  I-26 Charleston.........  NC State Line.
US 21................  US 17 Gardens Corner....  SC 170 Beaufort.
US 25................  NC State Line...........  US 78 North Augusta
                                                  (via Greenwood
                                                  Bypass).
US 52................  US 15/401 Society Hill..  End of 4-ln. div. N. of
                                                  urban limits of
                                                  Kingstree.
US 52................  US 17 A1t. S. Int.        I-26 Exit 208 N.
                        Moncks Corner.            Charleston connector.
US 76................  US 52 Florence..........  SC 576 Marion.
US 76................  SC 277 Columbia.........  I-126 Columbia.
US 78................  GA State Line...........  I-95 St. George.
US 78................  I-26 Exit 205 N.          US 52 N. Charleston.
                        Charleston.
US 123...............  Bibb St. Westminister...  US 25 Greenville.
US 21/178 Bypass.....  US 601 Orangeburg.......  Orangeburg.
US276................  I-385 Simpsonville......  I-85 Greenville.
US 301...............  US 321 Ulmer............  I-95 Santee.
US 321...............  I-26 S. of Columbia.....  I-95 Hardeeville.
US 378...............  SC 262 Columbia.........  US 501 Conway.
US 501...............  SC 576 Marion...........  US 17 Myrtle Beach.
US 601...............  NC State Line...........  SC 151 Pageland.
US 601...............  I-26 Jamison............  US 21/178 Bypass
                                                  Orangeburg.
SC 72................  US 25 Byp. Greenwood....  I-77 Exit 61 (via SC 72
                                                  Byp.-US 21 BR-US 21
                                                  Rock Hill).
SC 121...............  SC 72 Whitmire..........  US 25 Trenton.
SC 151...............  US 601 Pageland.........  US 52 Darlington.
SC 2 77..............  I-77 Columbia...........  US 76 Columbia.
SC 576...............  US 76 Marion............  US 501 Marion.

------------------------------------------------------------------------

[[Page 276]]


                               South Dakota

------------------------------------------------------------------------
  No additional routes have been federally designated; STAA-dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
                                Tennessee

------------------------------------------------------------------------
US 25E...............  I-81....................  VA State Line
                                                  Cumberland Gap.
US 27................  End of I-124 Chattanooga  US 127 Chattanooga.
US 27................  TN 153 Chattanooga......  KY State Line Winfield.
US 43................  AL State Line St. Joseph  US 64 Lawrenceburg.
US 45................  MS State Line...........  US 45 Bypass S. Int.
                                                  Jackson.
US 45 Bypass-US 45W..  US 45 S. Int. Jackson...  US 51 Union City.
US 51................  TN 300 Memphis..........  KY State Line Jackson
                                                  Purchase Pkwy.
US 64................  I-40 E. Int. Memphis....  I-24 Monteagle.
US 70 Alt............  US 79 Atwood............  TN 22 Huntingdon.
US 70................  TN 22 Huntingdon........  TN 96 Dickson.
US 70................  TN 155 Nashville........  US 127 Crossville.
US 70S...............  TN 102 Smyrna...........  US 70/TN 111 Sparta.
US 72................  AL State Line...........  I-24 Kimball.
US 74................  I-75 Cleveland..........  NC State Line IsabelIa.
US 79................  I-40 Memphis............  KY State Line US 41
                                                  Guthrie.
US 127...............  US 27 Chattanooga.......  TN 27 W. Int.
US 127...............  TN 28 Dunlap............  KY State Line Static.
US 231...............  AL State Line S. of       KY State Line N. of
                        Fayetteville.             Westmoreland.
US 412...............  I-40 Jackson............  US 51 Dyersburg.
US 641...............  I-40 near Natchez Trace   KY State Line N. of
                        State Park.               Paris.
TN 96................  US 70 Dickson...........  I-40 E. of Dickson.
TN 153...............  I-75 Chattanooga........  US 27 Chattanooga.
TN 155...............  I-40 Nashville..........  I-65 N. of Nashville.
TN 300...............  I-40 Memphis............  US 51 Memphis.

------------------------------------------------------------------------
                                  Texas

------------------------------------------------------------------------
  No additional routes have been federally designated; STAA-dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
                                  Utah

------------------------------------------------------------------------
  No additional routes have been federally designated; STAA-dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
                                 Vermont

------------------------------------------------------------------------
US 4.................  NY State Line...........  ECL Rutland.
US 7.................  End of 4-lane divided     US 4 N. Int. Rutland.
                        hwy. Wallingford.
VT 9.................  I-91 Int. 3 N. of         NH State Line.
                        Brattleboro.

------------------------------------------------------------------------
                                Virginia

------------------------------------------------------------------------
US 11................  I-81 Exit 195...........  0.16 Mi. N. of VA 645
                                                  Rockbridge Co.
US 11................  VA 220 Alt. N. Int......  2.15 Mi. S. of VA 220
                                                  Alt. N. Int.
                                                  Cloverdale.
US 11................  VA 100 Dublin...........  VA 643 S. of Dublin.
US 11................  1.52 Mi. N. of VA 75....  US 19 N. Int. Abington.
US 13................  MD State Line...........  I-64 Exit 282 Norfolk.
US 17................  US 29 Opal..............  VA 2/US 17 BR New Post.
US 17................  VA 134 York County......  I-64 Exit 258 Newport
                                                  News.
US 17................  BR/SCL Fredericksburg...  US 17 New Post VA 2.
US 19................  I-81 Exit 14 (via VA      US 460 N. Int./VA 720
                        140) Abington.            Bluefield.
US 23................  TN State Line...........  US 58 Alt. Big Stone
                                                  Gap.
US 23................  0.33 Mi. N. of US 23 BR   KY State Line.
                        Norton.
US 25E...............  TN State Line...........  KY State Line.
US 29................  NC State Line...........  I-66 Exit 43
                                                  Gainesville.
US 33................  N. Carlton Street         US 340 Elkton.
                        Harrisonburg.
US 33................  I-295 Exit 49...........  0.96 Mi. W. of I-295
                                                  Hanover County.
US 50................  VA 259 Gore.............  VA 37 Frederick County.
US 50................  Apple Blossom Loop Road   I-81 Exit 313
                        Winchester.               Winchester.
US 58................  VA 721 W. of              US 220 BR N. Int.
                        Martinsville.             Martinsville.
US 58................  S. Fairy Street           WCL Emporia.
                        Martinsville.
US 58................  0.6 Mi. E. of ECL         VA 35 S. Int.
                        Emporia.                  Courtland.
US 58................  US 58 BR E. of Courtland  US 13/I-264 Bowers
                                                  Hill.
US 58 Alt............  US 23 Norton............  US 19 Hansonville.
US 58 Alt............  0.4 Mi. W. of US 11.....  I-81 Exit 17 Abington.
US 58 BR.............  VA 35 Courtland.........  US 58 E. of Courtland.
US 58................  W. Int. VA 337 Claremont  US 460/St. Paul's Blvd.
                        St. Norfolk.              Norfolk.
US 60................  0.03 Mi. West of VA 887   US 522 Powhatan.
                        Chesterfield County.
US 220...............  NC State Line...........  I-581 Roanoke.
US 220...............  I-81 Exit 150...........  SCL Fincastle.
US 220 BR............  US 220 S. Int...........  0.16 Mi. N. of VA 825
                                                  S. of Martinsville.
US 220 BR............  US 58 N. Int.             US 220 N. Int. Bassett
                        Martinsville.             Forks.
US 250...............  US 340 E. Int.            VA 254 Waynesboro.
                        Waynesboro.
US 250...............  I-81 Exit 222...........  VA 261 Statler Blvd.
                                                  Staunton.
US 258...............  NC State Line...........  US 58 Franklin.
US 258...............  VA 10 Benns Church......  VA 143 Jefferson Ave.
                                                  Newport News.
US 301...............  VA 1250 S. of I-295.....  I-295 Exit 41 Hanover
                                                  County.

[[Page 277]]


US 301...............  US 301 BR N. Int.         MD State Line.
                        Bowling Green.
US 340/522...........  I-66 Exit 6 Front Royal.  2.85 Mi. N. of I-66.
US 340...............  VA 7 Berryville.........  WV State Line.
US 360...............  US 58 South Boston......  VA 150 Chesterfield
                                                  County.
US 360...............  I-64 Exit 192 Richmond..  VA 617 Village.
US 460...............  VA 67 W. Int. Raven.....  US 19 Claypool Hill.
US 460...............  VA 720 Bluefield........  WV State Line at
                                                  Bluefield.
US 460...............  WV State Line at Glen     I-81 Exit 118
                        Lyn.                      Christiansburg.
US 460...............  I-581 Roanoke...........  0.08 Mi. E. of VA 1512
                                                  Lynchburg.
US 460...............  US 29 Lynchburg.........  1 Mi. W. of VA 24
                                                  Appomattox County.
US 460...............  0.64 Mi. E. of VA 707     I-85 Exit 61
                        Appomattox County.        Petersburg.
US 460...............  I-95 Exit 50 Petersburg.  US 58 Suffolk.
US 501...............  VA 360 S. Int. Halifax..  US 58 South Boston.
US 522...............  0.6 Mi. S. of US 50.....  US 50 Frederick County.
US 522...............  VA 37 Frederick County..  1.07 Mi. N. of VA 705
                                                  Cross Junction.
VA 3.................  US 1 Fredericksburg.....  VA 20 Wilderness.
VA 7.................  I-81 Exit 315 Winchester  0.68 Mi. W. of WCL
                                                  Round Hill.
VA 10................  US 58 Suffolk...........  VA 666 Smithfield.
VA 10................  ECL Hopewell............  0.37 Mi. W. of W. Int.
                                                  VA 156 Hopewell.
VA 10................  US 1 Chesterfield County  VA 827 W. of Hopewell.
VA 20................  I-64 Exit 121...........  Carlton Rd.
                                                  Charlottesville.
VA 30................  I-95 Exit 98 Doswell....  US 1.
VA 33................  I-64 Exit 220...........  VA 30 E. Int. West
                                                  Point.
VA 36................  I-95 Exit 52 Petersburg.  VA 156 Hopewell.
VA 37................  I-81 Exit 310 S. of       I-81 Exit 317 (via US
                        Winchester.               11) N. of Winchester.
VA 42................  VA 257 S. Int.            VA 290 Dayton.
                        Bridgewater.
VA 57................  VA 753 Bassett..........  US 220 Bassett Forks.
VA 86................  US 29 Danville..........  NC State Line.
VA 100...............  I-81 Exit 98............  US 11 Dublin.
VA 105...............  US 60 Newport News......  I-64 Exit 250.
VA 114...............  US 460 Christians- burg.  0.09 Mi. E. of VA 750
                                                  Montgomery County.
VA 156...............  VA 10 W. Int. Hopewell..  VA 36 Hopewell.
VA 199...............  US 60 Williamsburg......  I-64 Exit 242.
VA 207...............  I-95 Exit 104...........  0.2 Mi. S. of VA 619
                                                  Milford.
VA 220 Alt...........  US 11 N. Int. N. of       I-81 Exit 150/US 220.
                        Cloverdale.
VA 277...............  I-81 Exit 307 Stephens    1.6 MI. E. of I-81 Exit
                        City.                     307.
VA 419...............  I-81 Exit 141 Salem.....  Midland Ave. Salem.
VA 624...............  I-64 Exit 96............  Old SCL Waynesboro.
Commonwealth Blvd. in  Market Street...........  N. Fairy Street.
 Martins- ville.

Note 1: I-66 Washington, DC, area--There is a 24-hour total truck ban on
 I-66 from I-495 Capital Beltway to the District of Columbia. (Excepted
                        under 23 CFR 658.11(f)).

  Note 2: I-264 Norfolk--Truck widths are limited to 96 inches for the
  westbound tube of the Elizabeth River Downtown Tunnel from Norfolk to
              Portsmouth because of clearance deficiencies.

------------------------------------------------------------------------
                               Washington

------------------------------------------------------------------------
  No additional routes have been federally designated; STAA-dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
                              West Virginia

------------------------------------------------------------------------
US 19................  I-77 Bradley............  I-79 Gassaway.
US 35................  WV 34 Winfield..........  OH State Line.
US 48................  I-79 Morgantown.........  MD State Line.
US 50................  I-77 Parkersburg........  I-79 Clarksburg.
US 460...............  VA State Line Bluefield.  VA State Line
                                                  Kelleysville.
WV 34................  I-64 Putnam Co..........  US 35 Winfield.

------------------------------------------------------------------------
                                Wisconsin

------------------------------------------------------------------------
US 2.................  I-535/US 53 Superior....  MI State Line Hurley.
US 2.................  MI State Line W. of       MI State Line E. of
                        Florence.                 Florence.
US 8.................  US 63 Turtle Lake.......  MI State Line Norway
                                                  MI.
US 10................  US 53 Osseo.............  I-43 Manitowoc.
US 12................  I-94/CH ``EE'' W. of Eau  US 53 Eau Claire.
                        Claire.
US 12................  I-90/94 Lake Delton.....  End of 4-lane S. of W.
                                                  Baraboo.
US 12................  WI 67 S. Jct. Elkhorn...  IL State Line Genoa
                                                  City.
US 14................  US 51 N. of Janesville..  I-90 Janesville.
US 14................  WI 11/89 N. of Darien...  I-43 Darien.
US 18................  IA State Line Prairie Du  I-90 Madison.
                        Chien.
US 41................  National Ave. Milwaukee.  Garfield Ave.
                                                  Milwaukee.
US 41................  107th St. Milwaukee.....  MI State Line
                                                  Marinette.
US 45................  IL State Line Bristol...  WI 28 Kewaskum.
US 45................  WI 29 Wittenberg........  MI State Line Land
                                                  O'Lakes.
US 51................  SCL Janesville..........  US 14 Janesville.
US 51................  WI 78 N. of Portage.....  US 2 Hurley.
US 53................  US 14/61 La Crosse......  US 10 Osseo.
US 53................  I-94 Eau Claire.........  I-535/US 2 Superior.
US 61................  IA State Line Dubugue IA  MN State Line La Crosse
                                                  (via WI 129 Lancaster
                                                  Byp.).
US 63................  MN State Line Red Wing    US 2 W. of Ashland.
                        MN.
US 141...............  US 41 Abrams............  US 8 Pembine.

[[Page 278]]


US 151...............  IA State Line Dubugue IA  US 18 E. of Dodgeville.
US 151...............  I-90/94 Madison.........  US 41 Fond Du Lac.
WI 11................  IA State Line Dubuque IA  US 51 Janesville.
WI 11................  I-90 Janesville.........  US 14/WI 89 N. of
                                                  Darien.
WI 11................  I-43 Elkhorn............  WI 31 Racine.
WI 13................  WI 21 Friendship........  US 2 Ashland.
WI 16................  WI 78 Portage...........  I-94 Waukesha.
WI 17................  US 8 Rhinelander........  US 45 Eagle River.
WI 20................  I-94 Racine.............  WI 31 Racine.
WI 21................  WI 27 Sparta............  US 41 Oshkosh.
WI 23................  WI 32 N. of Sheboygan     Taylor Dr. Sheboygan.
                        Falls.
WI 26................  I-94 Johnson Creek......  WI 16 Watertown.
WI 26................  US 151 Waupun...........  US 41 SW. of Oshkosh.
WI 27................  US 14/61 Westby.........  US 10 Fairchild.
WI 28................  US 41 Theresa...........  US 45 Kewaskum.
WI 29................  I-94 Elk Mound..........  US 53 Chippewa Falls.
WI 29................  WI 124 S. of Chippewa     US 41 Green Bay.
                        Falls.
WI 30................  US 151 Madison..........  I-90/94 Madison.
WI 31................  WI 11 Racine............  WI 20 Racine.
WI 32................  WI 29 W. of Green Bay...  Gillett.
WI 34................  WI 13 Wisconsin Rapids..  US 51 Knowlton.
WI 42................  I-43 Manitowoc..........  WI 57 SW. of Sturgeon
                                                  Bay.
WI 47................  US 10 Appleton..........  WI 29 Bonduel.
WI 50................  I-94 Kenosha............  45th Ave. Kenosha.
WI 54................  WI 13 Wisconsin Rapids..  US 51 Plover.
WI 57................  I-43 Green Bay..........  Sturgeon Bay.
WI 69................  WI 11 Monroe............  CH ``PB'' Paoli.
WI 73................  US 51 Plainfield........  WI 54 Wisconsin Rapids.
WI 78................  I-90/94 S. of Portage...  US 51 N. of portage.
WI 80................  WI 21 Necedah...........  WI 13 Pittsville.
WI 119...............  I-94 Milwaukee..........  WI 38 Milwaukee.
WI 124...............  US 53 N. of Eau Claire..  WI 29 S. of Chippewa
                                                  Falls.
WI 139...............  US 8 Cavour, Forest Co..  Long Lake.
WI 145...............  Broadway Milwaukee......  US 41/45 Milwaukee.
WI 172...............  US 41 Ashwaubenon.......  CH ``x'' S. of Green
                                                  Bay.
CH ``PB''............  WI 69 Paoli.............  US 18/151 E. of Verona.

------------------------------------------------------------------------
                                 Wyoming

------------------------------------------------------------------------
  No additional routes have been federally designated; STAA-dimensioned
   commercial vehicles may legally operate on all Federal-aid Primary
                        highways under State law.

------------------------------------------------------------------------
   Note: Information on additional highways on which STAA-dimensioned
 vehicles may legally operate may be obtained from the respective State
                            highway agencies.
------------------------------------------------------------------------


[55 FR 17953, Apr. 30, 1990; 55 FR 19145, May 8, 1990, as amended at 59 
FR 30421, June 13, 1994; 59 FR 36053, July 15, 1994; 60 FR 15214, Mar. 
22, 1995; 60 FR 16571, Mar. 31, 1995; 62 FR 30758, June 5, 1997; 63 FR 
70653, Dec. 22, 1998; 63 FR 71748, Dec. 30, 1998]

        Appendix B to Part 658--Grandfathered Semitrailer Lengths

------------------------------------------------------------------------
                                                                Feet and
                            State                                inches
------------------------------------------------------------------------
Alabama......................................................       53-6
Alaska.......................................................       48-0
Arizona......................................................       57-6
Arkansas.....................................................       53-6
California...................................................   \1\ 48-0
Colorado.....................................................       57-4
Connecticut..................................................       48-0
Delaware.....................................................       53-0
District of Columbia.........................................       48-0
Florida......................................................       48-0
Georgia......................................................       48-0
Hawaii.......................................................       48-0
Idaho........................................................       48-0
Illinois.....................................................       53-0
Indiana......................................................   \2\ 48-6
Iowa.........................................................       53-0
Kansas.......................................................       57-6
Kentucky.....................................................       53-0
Louisiana....................................................       59-6
Maine........................................................       48-0
Maryland.....................................................       48-0
Massachusetts................................................       48-0
Michigan.....................................................       48-0
Minnesota....................................................       48-0
Mississippi..................................................       53-0
Missouri.....................................................       53-0
Montana......................................................       53-0
Nebraska.....................................................       53-0
Nevada.......................................................       53-0
New Hampshire................................................       48-0
New Jersey...................................................       48-0
New Mexico...................................................       57-6
New York.....................................................       48-0
North Carolina...............................................       48-0
North Dakota.................................................       53-0
Ohio.........................................................       53-0
Oklahoma.....................................................       59-6
Oregon.......................................................       53-0
Pennsylvania.................................................       53-0
Puerto Rico..................................................       48-0
Rhode Island.................................................       48-6
South Carolina...............................................       48-0
South Dakota.................................................       53-0
Tennessee....................................................       50-0
Texas........................................................       59-0
Utah.........................................................       48-0
Vermont......................................................       48-0
Virginia.....................................................       48-0
Washington...................................................       48-0
West Virginia................................................       48-0
Wisconsin....................................................   \3\ 48-0
Wyoming......................................................       57-4
------------------------------------------------------------------------
\1\ Semitrailers up to 53 feet may also operate without a permit by
  conforming to a kingpin-to-rearmost axle distance of 38 feet.
  Semitrailers that are consistent with 23 CFR 658.13(h) may operate
  without a permit provided the distance from the kingpin to the center
  of the rear axle is 46 feet or less.

[[Page 279]]


\2\ Semitrailers up to 53 feet in length may operate without a permit by
  conforming to a kingpin-to-rearmost axle distance of 40 feet 6 inches.
  Semitrailers that are consistent with 23 CFR 658.13(h) may operate
  without a permit provided the distance from the kingpin to the center
  of the rear axle is 46 feet or less.
\3\ Semitrailers up to 53 feet in length may operate without a permit by
  conforming to a kingpin-to-rear axle distance of 41 feet, measured to
  the center of the rear tandem assembly. Semitrailers that are
  consistent with 23 CFR 658.13(h) may operate without a permit provided
  the distance from the kingpin to the center of the rear axle is 46
  feet or less.


[53 FR 2599, Jan. 29, 1988, as amended at 54 FR 1931, Jan. 18, 1989; 62 
FR 10181, Mar. 5, 1997]

  Appendix C to Part 658--Trucks Over 80,000 Pounds on the Interstate 
       System and Trucks Over STAA Lengths on the National Network

    This appendix contains the weight and size provisions that were in 
effect on or before June 1, 1991 (July 6, 1991 for Alaska), for vehicles 
covered by 23 U.S.C. 127(d) (LCV's) and 49 U.S.C. app. 2311(j) 
(commercial motor vehicles (CMV's) with 2 or more cargo-carrying units). 
Weights and dimensions are ``frozen'' at the values shown here, which 
were in effect on June 1, 1991 (Alaska, July 6, 1991). All vehicles are 
listed by configuration type.

           Trucks Over 80,000 Pounds on the Interstate System

    In the State-by-State descriptions, CMV combinations which can also 
be LCV's are identified with the letters ``LCV'' following the type of 
combination vehicle. The maximum allowable gross vehicle weight is given 
in this appendix (in thousands of pounds indicated by a ``K''), as well 
as information summarizing the operational conditions, routes, and legal 
citations. The term ``Interstate System'' as used herein refers to the 
Dwight D. Eisenhower System of Interstate and Defense Highways.

            Trucks Over STAA Lengths on the National Network

    Listed for each State by combination type is either:
    1. The maximum cargo-carrying length (shown in feet); or
    2. A notation that such vehicle is not allowed (indicated by a 
``NO'').
    CMV's are categorized as follows:
    1. A CMV combination consisting of a truck tractor and two trailing 
units.
    2. A CMV combination consisting of a truck tractor and three 
trailing units.
    3. CMV combinations with two or more cargo-carrying units not 
included in descriptions 1 or 2.
    In the following table the left number is the maximum cargo-carrying 
length measured in feet from the front of the first cargo unit to the 
rear of the last cargo unit. This distance is not to include length 
exclusive devices which have been approved by the Secretary or by any 
State. Devices excluded from length determination shall only include 
items whose function is related to the safe and efficient operation of 
the semitrailer or trailer. No device excluded from length determination 
shall be designed or used for carrying cargo. The right number is the 
maximum gross weight in thousands of pounds that the type of vehicle can 
carry when operating as an LCV on the Interstate System. For every State 
where there is a length or weight number in the table that follows, 
additional information is provided.

             Vehicle Combinations Subject to Pub. L. 102-240
------------------------------------------------------------------------
                                   1  Truck
                                tractor and 2      2  Truck
             State                 trailing     tractor and 3   3  Other
                                    units       trailing units
------------------------------------------------------------------------
Alabama.......................  NO...........  NO.............  NO
Alaska........................  95[foot].....  110[foot]......  83[foot]
Arizona.......................  95[foot] 129K  95[foot] 129K..  (1)
Arkansas......................  NO...........  NO.............  NO
California....................  NO...........  NO.............  NO
Colorado......................  111[foot]      115.5[foot]      78[foot]
                                 110K.          110K.
Connecticut...................  NO...........  NO.............  NO
Delaware......................  NO...........  NO.............  NO
Dist. of Columbia.............  NO...........  NO.............  NO
Florida.......................  106[foot] (2)  NO.............  NO
Georgia.......................  NO...........  NO.............  NO
Hawaii........................  65[foot] (2).  NO.............  NO
Idaho.........................  95[foot]       95[foot] 105.5K  (1)
                                 105.5K.
Illinois......................  NO...........  NO.............  NO
Indiana.......................  106[foot]      104.5[foot]      58[foot]
                                 127.4K.        127.4K.
Iowa..........................  100[foot]      100[foot] 129K.  78[foot]
                                 129K.
Kansas........................  109[foot]      109[foot] 120K.  NO
                                 120K.
Kentucky......................  NO...........  NO.............  NO
Louisiana.....................  NO...........  NO.............  NO
Maine.........................  NO...........  NO.............  NO
Maryland......................  NO...........  NO.............  NO
Massachusetts.................  104[foot]      NO.............  NO
                                 127.4K.
Michigan......................  58[foot] 164K  NO.............  NO
Minnesota.....................  NO...........  NO.............  NO
Mississippi...................  65[foot] (2).  NO.............  NO
Missouri......................  110[foot]      109[foot] 120K.  NO
                                 120K(4).
Montana.......................  93[foot]       100[foot]        (1)
                                 137.8K.        131.06K.
Nebraska......................  95[foot] 95K.  95[foot] (2)...  68[foot]
Nevada........................  95[foot] 129K  95[foot] 129K..  98[foot]
New Hampshire.................  NO...........  NO.............  NO
New Jersey....................  NO...........  NO.............  NO
New Mexico....................  86.4K(3).....  NO.............  NO
New York......................  102[foot]      NO.............  NO
                                 143K.
North Carolina................  NO...........  NO.............  NO
North Dakota..................  103[foot]      100[foot]        103[foot
                                 105.5K.        105.5K.          ]
Ohio..........................  102[foot]      95[foot] 115K..  NO
                                 127.4K.
Oklahoma......................  110[foot] 90K  95[foot] 90K...  NO
Oregon........................  68[foot]       96[foot] 105.5K  70[foot]
                                 105.5K.                         5[foot]
                                                                 [foot]
Pennsylvania..................  NO...........  NO.............  NO
Puerto Rico...................  NO...........  NO.............  NO
Rhode Island..................  NO...........  NO.............  NO
South Carolina................  NO...........  NO.............  NO
South Dakota..................  100[foot]      100[foot] 129K.  (1)
                                 129K.
Tennessee.....................  NO...........  NO.............  NO
Texas.........................  NO...........  NO.............  NO
Utah..........................  95[foot] 129K  95[foot] 129K..  (1)

[[Page 280]]


Vermont.......................  NO...........  NO.............  NO
Virginia......................  NO...........  NO.............  NO
Washington....................  68[foot]       NO.............  68[foot]
                                 105.5K.
West Virginia.................  NO...........  NO.............  NO
Wisconsin.....................  NO...........  NO.............  NO
Wyoming.......................  81[foot] 117K  NO.............  (1)
------------------------------------------------------------------------
(1)--State submission includes multiple vehicles in this category--see
  individual State listings.
(2)--No maximum weight is established as this vehicle combination is not
  considered an ``LCV'' per the ISTEA definition. Florida's combination
  is not allowed to operate on the Interstate System, and the
  combinations for Hawaii, Mississippi, and Nebraska are not allowed to
  exceed 80,000 pounds.
(3)--No maximum cargo-carrying length is established for this
  combination. Because State law limits each trailing unit to not more
  than 28.5 feet in length, this combination is allowed to operate on
  all NN routes under the authority of the STAA of 1982, regardless of
  actual cargo-carrying length. The maximum weight listed is New
  Mexico's maximum allowable gross weight on the Interstate System under
  the grandfather authority of 23 U.S.C. 127.
(4)--These dimensions do not apply to the same combinations. The 110-
  foot length is limited to vehicles entering from Oklahoma, also
  limited to 90K gross weight. The 120K gross weight is limited to
  vehicles entering from Kansas, also limited to a cargo carrying length
  of 109 feet.

    The following abbreviation convention is used throughout the 
narrative State-by-State descriptions for the captions OPERATIONAL 
CONDITIONS, ROUTES, and LEGAL CITATIONS: two letter State abbreviation, 
dash, ``TT'' for truck tractor, and 2 or 3 for two or three trailing 
units. For example, the phrase ``Arizona truck tractor and 2 trailing 
units'', would be noted as ``AZ-TT2''; the phrase ``Indiana truck 
tractor and 3 trailing units'' would be noted as ``IN-TT3'', etc.

                              STATE: ALASKA

             COMBINATION: Truck tractor and 2 trailing units

               LENGTH OF THE CARGO-CARRYING UNITS: 95 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: The combination must be in compliance with State laws and 
regulations. There are no highways in the State subject to Interstate 
System weight limits. Therefore, the ISTEA freeze as it applies to 
maximum weight is not applicable.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: Combinations with an overall length greater than 75 feet, 
measured bumper to bumper, must display an ``OVERSIZE 
warning sign on the front and rear. In combinations where one cargo-
carrying unit is more than 5,000 pounds heavier than the other, the 
heavier unit shall be placed immediately behind the power unit. Weather 
restrictions are imposed when hazardous conditions exist, as determined 
by the Alaska Department of Transportation and Public Facilities 
(DOT&PF) and the Alaska Department of Public Safety, Division of State 
Troopers. Time of day travel is not restricted.
    PERMIT: None required.
    ACCESS: Alaska allows reasonable access not to exceed 5 miles to 
reach or return from terminals and facilities for food, fuel, or rest. 
The most direct route must be used. The Commissioner of the Alaska 
DOT&PF may allow access to specific routes if it can be shown that 
travel frequency, necessity, and route accommodation are required.

                                 Routes
------------------------------------------------------------------------
                                From                       To
------------------------------------------------------------------------
AK-1                  Anchorage (Potter Weigh   Palmer (Palmer-Wasilla
                       Station).                 Highway Junction).
AK-2                  Fairbanks (Gaffney Road   Delta Junction (MP 1412
                       Junction).                Alaska Highway).
AK-3                  Jct. AK-1...............  Fairbanks (Gaffney Road
                                                 Junction).
------------------------------------------------------------------------

                            LEGAL CITATIONS:

    17 AAC 25, and 35; the Administrative Permit Manual.

                              STATE: ALASKA

             COMBINATION: Truck tractor and 3 trailing units

              LENGTH OF THE CARGO-CARRYING UNITS: 110 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT and ACCESS: Same as the AK-TT2 combination.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement. Drivers of this combination must have 10 years 
of experience in Alaska and certified training in operation of these 
combinations.
    VEHICLE: Individual trailer length in a three trailing unit 
combination shall not exceed 28.5 feet. Engine horsepower rating shall 
not be less than 400 horsepower.
    These combinations are allowed to operate only between May 1 and 
September 30 of each year. Weather restrictions are imposed when 
hazardous conditions exist, as determined by the Alaska DOT&PF and the 
Department of Public Safety, Division of State Troopers. No movement is 
permitted if visibility is less than 1,000 feet.
    PERMIT: Permits are required with specified durations of not less 
than 3 months or more than 18 months. There is a fee.

[[Page 281]]



                                 Routes
------------------------------------------------------------------------
                                         From                 To
------------------------------------------------------------------------
AK-1............................  Anchorage (Potter   Jct. AK-3.
                                   Weigh Station).
AK-3............................  Jct. AK-1.........  Fairbanks (Gaffney
                                                       Road Junction)
------------------------------------------------------------------------

            LEGAL CITATIONS: Same as the AK-TT2 combination.

                              STATE: ALASKA

                       COMBINATION: Truck-trailer

               LENGTH OF THE CARGO-CARRYING UNITS: 83 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT, DRIVER, PERMIT, and ACCESS: Same as the AK-tt2 combination.
    VEHICLE: Same as the AK-TT2 combination, except that overall 
combination length may not exceed 90 feet.
    ROUTES: Same as the AK-TT2 combination.
    LEGAL CITATIONS: Same as the AK-TT2 combination.

                             STATE: ARIZONA

          COMBINATION: Truck tractor and 2 trailing units--LCV

               LENGTH OF THE CARGO-CARRYING UNITS: 95 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 129,000 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: Single-axle maximum weight limit is 20,000 pounds, tandem-
axle maximum weight limit is 34,000 pounds, and the gross vehicle weight 
limit is 129,000 pounds, subject to the Federal Bridge Formula.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement. Drivers must comply with the Federal Motor 
Carrier Safety Regulations of the U.S. Department of Transportation and 
Title 28, Arizona Revised Statutes.
    VEHICLE: This vehicle must be able to operate at speeds compatible 
with other traffic on level roads and maintain 20 miles per hour speed 
on grades where operated. A heavy-duty fifth wheel is required. The 
kingpin must be a solid type, not a screw-out or folding type. All hitch 
connectors must be of a no-slack type, preferably an air-actuated ram. 
Axles must be those designed for the width of the body. All braking 
systems must comply with State and Federal requirements. A brake force 
limiting valve, sometimes called a ``slippery road'' valve, may be 
provided on the steering axle. Mud flaps or splash guards are required. 
When traveling on a smooth, paved surface, trailers must follow in the 
path of the towing vehicle without shifting or swerving more than 3 
inches to either side when the towing vehicle is moving in a straight 
line.
    PERMITS: Permits are required. Fees are charged. This vehicle is 
allowed continuous travel, however, the State may restrict or prohibit 
operations during periods when traffic, weather, or other safety 
considerations make such operations unsafe or inadvisable. All multiple-
trailer combinations shall be driven in the right-hand traffic lane.
    Access: Access is allowed for 20 miles from I-15 Exits 8 and 27 or 
20 miles from other authorized routes.

                                 Routes
------------------------------------------------------------------------
                                         From                 To
------------------------------------------------------------------------
I-15............................  Nevada............  Utah
US 89...........................  20 miles south of   Utah
                                   Utah.
US 160..........................  US 163............  New Mexico
US 163..........................  US 160............  Utah

------------------------------------------------------------------------
                                              LEGAL CITATIONS

------------------------------------------------------------------------
ARS 28-107......................  ARS 28-1009.......  ARS 28-1011.O
ARS 28-108.5....................  ARS 28-1009.01....  ARS 28-1012
ARS 28-108.13...................  ARS 28-1011.A.....  ARS 28-1013
ARS 28-108.14...................  ARS 28-1011.C.....  ARS 28-1014
ARS 28-403......................  ARS 28-1011.F.....  ARS 28-1031
ARS 28-405......................  ARS 28-1011.K.....  ARS 28-1051
ARS 28-1001.....................  ARS 28-1011.L.....  ARS 28-1052
ARS 28-1004.G...................  ARS 28-1011.M.....  R17-40-426
ARS 28-1008.....................
------------------------------------------------------------------------

                             STATE: ARIZONA

          COMBINATION: Truck tractor and 3 trailing units--LCV

               LENGTH OF THE CARGO-CARRYING UNITS: 95 feet

MAXIMUM ALLOWABLE GROSS WEIGHT: 123,000 pounds (129,000 pounds on I-15).

                         OPERATIONAL CONDITIONS:

    VEHICLE, and ACCESS: Same as the AZ-TT2 combination.
    Weight: Single-axle maximum weight limit is 20,000 pounds, tandem-
axle maximum weight limit is 34,000 pounds, and the gross vehicle weight 
is 123,500 pounds (129,000 on I-15), subject to the Federal Bridge 
Formula.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement. Drivers must comply with the Federal Motor 
Carrier Safety Regulations of the U.S. Department of Transportation and 
Title 28, Arizona Revised Statutes. Drivers must be trained by an 
experienced driver of a three trailing unit combination. Training should 
be through special instructions or by traveling with the new driver 
until such time as the new driver is deemed adequately

[[Page 282]]

qualified by the trainer on the use and operation of these combinations.
    PERMIT: Permits are required. Fees are charged. This vehicle is 
allowed continuous travel, however, the State may restrict or prohibit 
operations during periods when traffic, weather, or other safety 
considerations make such operations unsafe or inadvisable. These 
combinations shall not be dispatched during adverse weather conditions. 
All multiple-trailer combinations shall be driven in the right-hand 
traffic lane.
    ROUTES: Same as the AZ-TT2 combination.
    LEGAL CITATIONS: Same as the AZ-TT2 combination.

                             STATE: ARIZONA

                       COMBINATION: Truck-trailer

               LENGTH OF THE CARGO-CARRYING UNITS: 69 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER, VEHICLE, PERMIT, and ACCESS: Same as the AZ-TT2 combination.
    ROUTES: Same as the AZ-TT2 combination.
    LEGAL CITATIONS: Same as the AZ-TT2 combination.

                             STATE: ARIZONA

                 COMBINATION: Truck-semitrailer-trailer

               LENGTH OF THE CARGO-CARRYING UNITS: 98 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER, VEHICLE, PERMIT, and ACCESS: Same as the AZ-TT2 combination.
    ROUTES: Same as the AZ-TT2 combination.
    LEGAL CITATIONS: Same as the AZ-TT2 combination.

                             STATE: COLORADO

          COMBINATION: Truck tractor and 2 trailing units--LCV

              LENGTH OF THE CARGO-CARRYING UNITS: 111 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 110,000 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: The maximum gross weight is 110,000 pounds, subject to the 
formula W=800(L+40) where ``W'' equals the gross weight in pounds and 
``L'' equals the length in feet between the centers of the first and 
last axles, or the gross weight determined by the Federal Bridge 
Formula, whichever is least. A single axle shall not exceed 20,000 
pounds and a tandem axle shall not exceed 36,000 pounds.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement. The driver cannot have had any suspension of 
driving privileges in any State during the past 3 years where such 
suspension arose out of the operation of a motor vehicle used as a 
contract or common carrier of persons or property.
    The driver must be certified by the motor carrier permit holder's 
safety office. The certification shall demonstrate that the driver has 
complied with all written requirements, and that the driver has 
successfully completed a company-approved road test for each type of 
combination vehicle operated.
    VEHICLE: Vehicles shall not have fewer than six axles or more than 
nine axles. They shall be configured such that the shorter trailer shall 
be operated as the rear trailer, and the trailer with the heavier gross 
weight shall be operated as the front trailer. In the event that the 
shorter trailer is also the heavier, the load must be adjusted so that 
the front trailer is the longer and heavier of the two.
    Vehicles shall have adequate power to maintain a minimum speed of 20 
miles per hour on any grade over which the combination operates and can 
resume a speed of 20 miles per hour after stopping on any such grade.
    Tires must conform to the standards in the Department of Public 
Safety's (DPS) Rules and Regulations Concerning Minimum Standards for 
the Operation of Commercial Motor Vehicles, at 8 CCR 1507-1 and C.R.S. 
42-4-225 and 42-2-406.
    Vehicles are required to have a heavy-duty fifth wheel and equal 
strength pick-up plates that meet the standards in the DPS Commercial 
Vehicle Rules. This equipment must be properly lubricated and located in 
a position that provides stability during normal operation, including 
braking. The trailers shall follow in the path of the towing vehicle

[[Page 283]]

without shifting or swerving more than 3 inches to either side when the 
towing vehicle is moving in a straight line.
    Kingpins must be of a solid type and permanently fastened. Screw-out 
or folding type kingpins are prohibited.
    Hitch connections must be of a no-slack type, preferably air-
actuated ram.
    Drawbar lengths shall be adequate to provide for the clearances 
required between the towing vehicle and the trailer(s) for turning and 
backing maneuvers.
    Axles must be those designed for the width of the body of the 
trailer(s).
    Braking systems must comply with the DPS Commercial Vehicle Rules 
and C.R.S. 42-4-220. Fast air-transmission and release valves must be 
provided on all trailer(s) and converter dolly axles. A brake force 
limiting valve, sometimes called a ``slippery road'' valve, may be 
provided on the steering axle.
    PERMIT: An annual permit is required for which a fee is charged. 
Also, the vehicle must have an overweight permit pursuant to C.R.S. 42-
4-409(11)(a)(II) (A), (B), or (C), and comply with Rule 4-15 in the 
rules pertaining to Extra-Legal Vehicles or Loads.
    A truck tractor and two trailing units wherein at least one of the 
trailing units exceeds 28.5 feet in length shall not operate on the 
following designated highway segments during the hours of 6 a.m. to 9 
a.m. and from 3 p.m. to 6 p.m., Monday through Friday, for Colorado 
Springs, Denver, and Pueblo. (A truck tractor with two trailing units 
wherein at least one of the trailing units exceeds 28.5 feet in length 
not operating at greater than the legal maximum weight of 80,000 pounds 
is subject to different hours-of-operation restrictions. Refer to rules 
pertaining to Extra-Legal Vehicles or Loads).

Colorado Springs: I-25 between Exit 135 (CO 83 Academy Blvd. So.) and 
          Exit 150 (CO 83, Academy Blvd. No.).
Denver: I-25 between Exit 200 (Jct. I-225) and Exit 223 (CO 128, 120th 
          Avenue),
    I-70 between Exit 259 (CO 26/US 40) and Exit 282 (Jct. I-225),
    I-76 between Exit 5 (Jct. I-25) and Exit 12 (US 85),
    I-225 entire length,
    I-270 entire length.
Pueblo: I-25 between Exit 94 (CO 45 Lake Ave.) and Exit 101 (US 50/CO 
          47).

    The holder of a longer vehicle combination (LVC) permit must have an 
established safety program as provided in Chapter 9 of the ``Colorado 
Department of Highways Rules and Regulations for Operation of Longer 
Vehicle Combinations on Designated State Highway Segments.'' Elements of 
the program include compliance with minimum safety standards at 8 CCR 
1507-1, hazardous materials regulations at 8 CCR 1507-7, -8, and -9, 
Colorado Uniform Motor Vehicle Law, Articles 1 through 4 of Title 42, 
C.R.S. as amended, and Public Utility Commission regulations at 4 CCR 
723-6, -8, -15, -22, and -23.
    ACCESS: A vehicle shall not be operated off the designated portions 
of the Interstate System except to access food, fuel, repairs, and rest 
or to access a facility. Access to a facility shall be subject to the 
following conditions:
    (1) The facility must:
    (a) Be either a manufacturing or a distribution center, a warehouse, 
or truck terminal located in an area where industrial uses are 
permitted;
    (b) Be a construction site; and
    (c) Meet the following criteria:
    1 vehicles are formed for transport or broken down for delivery on 
the premises;
    2 adequate off-roadway space exists on the premises to safely 
maneuver the vehicles; and
    3 adequate equipment is available on the premises to handle, load, 
and unload the vehicle, its trailers, and cargo.
    (2) The facility must be located within a maximum distance of 10 
miles from the point where the vehicle enters or exits the designated 
portions of the Interstate System. Such 10-mile distance shall be 
measured by the actual route(s) to be traveled to the facility, rather 
than by a straight line radius from the designated Interstate System to 
the facility;
    (3) The access route(s) between the designated Interstate System and 
the facility must be approved in advance by the public entity (Colorado 
DOT, municipality, or county) having jurisdiction for the roadway(s) 
that make up the route(s). Where the State of Colorado has jurisdiction 
over the access route(s), it will consider the following safety, 
engineering, and other criteria in determining whether to approve the 
route(s):
    (a) Safety of the motoring public;
    (b) Geometrics of the street and roadway;
    (c) Traffic volumes and patterns;
    (d) Protection of State highways, roadways, and structures;
    (e) Zoning and general characteristics of the route(s) to be 
encountered; and
    (f) Other relevant criteria warranted by special circumstances of 
the proposed route(s).
    Local entities, counties, and municipalities having jurisdiction 
over route(s), should consider similar criteria in determining whether 
to approve the proposed ingress and egress route(s); and
    (4) A permit holder shall access only the facility or location 
authorized by the permit. If the permit authorizes more than one 
facility or location, then on any single trip by an LVC from the 
designated Interstate System the permit holder may access only one 
facility or location before returning to the designated Interstate 
System.

[[Page 284]]



                                 Routes
------------------------------------------------------------------------
                                         From                 To
------------------------------------------------------------------------
I-25............................  New Mexico........  Wyoming
I-70............................  Utah..............  I-70 Exit 90 Rifle
I-70............................  I-70 Exit 259       Kansas
                                   Golden.
I-76............................  Jct. I-70.........  Nebraska
I-225...........................  Jct. I-25.........  Jct. I-70
I-270...........................  Jct. I-76.........  Jct. I-70
------------------------------------------------------------------------

    LEGAL CITATIONS: Vehicles must comply with all applicable statutes, 
such as C.R.S. 42-4-402(1), 42-4-404(1), 42-4-407(1)(c)(III)(A), 42-4-
409(11)(a)(II) (A), (B) or (C). All LVC's must comply with the Extra-
Legal Vehicles and Loads Rules and the Longer Vehicle Combination Rules. 
However, when the rules address the same subject, the LVC, since it is 
operating at greater than 80,000 pounds, must comply with the Extra-
Legal Vehicles and Loads Rules. Such rules are: 4-1-2 and 4-1-3 
concerning holiday travel restrictions, 4-1-5 concerning hours of 
operation restrictions, 4-8 concerning minimum distance between vehicles 
and 4-15 concerning maximum allowable gross weight.

                             STATE: COLORADO

          COMBINATION: Truck tractor and 3 trailing units--LCV

             LENGTH OF THE CARGO-CARRYING UNITS: 115.5 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 110,000 pounds

         OPERATIONAL CONDITIONS: Same as the CO-TT2 combination.

    ROUTES: Same as the CO-TT2 combination.
    LEGAL CITATIONS: Same as the CO-TT2 combination.

                             STATE: COLORADO

                       COMBINATION: Truck-trailer

               LENGTH OF THE CARGO-CARRYING UNITS: 78 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER, VEHICLE, PERMIT, and ACCESS: Same as the CO-TT2 combination.
    ROUTES: Same as the CO-TT2 combination.
    LEGAL CITATIONS: Same as the CO-TT2 combination.

                             STATE: FLORIDA

             COMBINATION: Truck tractor and 2 trailing units

              LENGTH OF THE CARGO-CARRYING UNITS: 106 feet

    OPERATIONAL CONDITIONS: All overdimensional and weight regulations 
of the Florida Turnpike Authority shall apply to such units unless 
specifically excluded under the terms of the Tandem Trailer Permit or 
these regulations.
    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement. Proposed drivers of tandem-trailer units shall 
be registered by the Florida Turnpike Authority prior to driving such 
equipment on the turnpike system. For further information, see Rule 14-
62.016 FAC.
    VEHICLE: A complete tandem-trailer combination shall consist of a 
truck tractor, first semitrailer, fifth-wheel converter dolly, and a 
second semitrailer. The converter dolly may be either a separate unit or 
an integral component of the first semitrailer. The width shall not 
exceed 102 inches and the height shall not exceed 13 feet 6 inches. A 
tractor used in the tandem-trailer operations shall be capable of 
hauling the maximum gross load to be transported by a permittee at a 
speed of not less than 40 miles per hour on all portions of the turnpike 
system excepting that portion of the roadway, as posted in 1988, between 
mileposts 234 and 238 where a minimum speed of 30 miles per hour will be 
permitted.
    Every tandem-trailer combination shall be equipped with full air 
brakes or air-activated hydraulic brakes on the tractor and either air 
or electric brakes on the dolly and trailers.
    A tractor, which will be used to haul a complete tandem-trailer 
combination with a total gross weight of 110,000 pounds or more, shall 
be equipped with tandem rear axles and driving power shall be applied to 
all wheels on both axles. When the above tandem-axle tractor is 
required, a tandem-axle dolly converter must be used.
    Every tandem-trailer combination shall be equipped with emergency 
equipment that equals or exceeds both the equipment requirements and the 
performance standards cited in Chapter 316, Florida Statutes and subpart 
H ``Emergency Equipment'' of 49 CFR 393.95.
    A converter (fifth-wheel) dolly used in the tandem-trailer 
operations may have either single or tandem axles, according to its 
total gross weight. In addition to the primary towbar(s), the dolly 
vehicle must be equipped

[[Page 285]]

with safety chains or cables for connecting the dolly to the lead 
semitrailer and must be adequate to prevent breakaway.
    Lamps and Reflectors. Each tractor, trailer, and converter dolly in 
a tandem-trailer combination shall be equipped with electric lamps and 
reflectors mounted on the vehicle in accordance with Chapter 316, 
Florida Statutes, and subpart B ``Lighting Devices, Reflectors and 
Electrical Equipment,'' of 49 CFR 393.9 through 49 CFR 393.33.
    Coupling Devices. Coupling devices shall be so designed, 
constructed, and installed and the vehicles in a tandem-trailer 
combination shall equal or exceed both the equipment requirements and 
the performance standards established on 49 CFR 393.70, except that such 
devices shall be so designed and constructed as to ensure that any such 
combination traveling on a level, smooth paved surface will follow in 
the path of the towing vehicle without shifting or swerving from side to 
side over 2 inches to each side of the path of the vehicle when it is 
moving in a straight line. (For further information see Rule 14-62.002; 
14-62.005; 14-62.006; 14-62.007; 14-62.008; 14-62.009; 14-62.010; 14-
62.011; 14-62.012; 14-62.013; and 14-62.015, FAC)
    PERMIT: Tandem-trailer units may operate on the turnpike system 
under a Tandem Trailer Permit issued by the Florida Turnpike Authority 
upon application, except as provided in subparagraph (2) below.
    (1) The Florida Turnpike Authority shall provide a copy of each such 
permit to the Motor Carrier Compliance Office.
    (2) Tandem-trailer trucks of the dimensions mandated by the STAA of 
1982 and operating in compliance with Rule Chapter 14-54, FAC, and under 
the provisions of section 316.515, Florida Statutes shall be exempt from 
the provisions of this rule chapter to the extent provided in Rule 14-
54.0011, FAC.
(For further information see Rules 14-62.001; 14-62.022; 14-62.023; 14-
62.024; 14-62.026; 14-62.027, FAC)
    ACCESS: Staging. Tandem-trailer combinations shall be made up and 
broken up only in special assembly (staging) areas as designated for 
this purpose. For further information, see Rule 14-62.017, FAC. Make-up 
and break-up of tandem-trailer combinations shall not be allowed on a 
public right-of-way unless the area is designated for such use or unless 
an emergency exists.

                                 Routes
------------------------------------------------------------------------
                                         From                 To
------------------------------------------------------------------------
Florida's Turnpike..............  South end           Exit 304 Wildwood.
                                   Homestead
                                   Extension at US 1.
------------------------------------------------------------------------

    LEGAL CITATIONS: Chapter 14-62, ``Regulations Governing Tandem 
Combinations of Florida's Turnpike,'' Florida Administrative Code.

                              STATE: HAWAII

             COMBINATION: Truck tractor and 2 trailing units

                 LENGTH OF CARGO CARRYING UNITS: 65 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: No load may exceed the carrying capacity of the axles 
specified by the manufacturer and no combination vehicle shall have a 
total weight in excess of its designed gross combination weight limit.
    PERMITS: No permits are required.
    ACCESS: Designated routes off the NN.
    ROUTES: All NN routes except HI-95 from H-1 to Barbers Point Harbor.
    LEGAL CITATIONS: Chapter 291, Section 34, Hawaii Revised Statutes 
and Chapter 104 of Title 19, Administrative Rules.

                              STATE: IDAHO

          COMBINATION: Truck tractor and 2 trailing units--LCV

               LENGTH OF THE CARGO-CARRYING UNITS: 95 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 105,500 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: Single axle: 20,000 pounds, tandem axle: 34,000 pounds, and 
gross vehicle weight up to 105,500 pounds.
    Axle spacing: must comply with Idaho Code 49-1001.
    Trailer weights: The respective loading of any trailer shall not be 
substantially greater than the weight of any trailer located ahead of it 
in the vehicle combination. Substantially greater shall be defined as 
more than 4,000 pounds heavier.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: The rules provide that all CMV's with two or more cargo-
carrying units (except for truck-trailer combinations which are limited 
to an 85-foot combination length) are subject to calculated maximum off-
tracking (CMOT) limits. The CMOT formula is:

CMOT = R - [R\2\ - (A\2\ + B\2\ + C\2\ + D\2\ + E\2\)]\1/2\ R = 161
A, B, C, D, E, etc.= measurements between points of articulation or 
          pivot. Squared dimensions to stinger steer points of 
          articulation are negative.


[[Page 286]]


    The power unit of LCV's and extra-length combinations shall have 
adequate power and traction to maintain a speed of 15 miles per hour 
under normal operating conditions on any up-grade over which the 
combination is operated.
    Fifth-wheel, drawbar, and other coupling devices shall be as 
specified by Federal Motor Carrier Safety Regulations, section 393.70.
    Every combination operated under special permit authority shall be 
covered by insurance meeting State and Federal requirements. Evidence of 
this insurance must be carried in the permitted vehicle.
    PERMIT: Permits are required. Permit duration is for 1 year from the 
date of issuance.
    ACCESS: Combinations with a CMOT limit of less than 6.5 feet may use 
any Interstate or designated highway system interchange for access. 
Combinations with a CMOT of 6.5 to 8.75 feet may use only the following 
Interstate System interchanges:

I-15 Exits 58 and 119.
I-84 Exits 3, 49, 50, 52, 54, 57, 95, 168, 173, 182, 208, and 211.
I-86 Exits 36, 40, 56, and 58.
    ROUTES: All NN routes.
    LEGAL CITATIONS: Other regulations and restrictions that must be 
complied with are:

Idaho Code 49-1001, -1002, -1004, -1010, and -1011.
Idaho Transportation Department Rules 39.C.01, .06, .08, .09, .10, .11, 
          .15, and .19-.23.

                              STATE: IDAHO

          COMBINATION: Truck tractor and 3 trailing units--LCV

               LENGTH OF THE CARGO-CARRYING UNITS: 95 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 105,500 pounds

    OPERATIONAL CONDITIONS: Same as the ID-TT2 combination.
    ROUTES: Same as the ID-TT2 combination.
    LEGAL CITATIONS: Same as the ID-TT2 combination.

                              STATE: IDAHO

                       COMBINATION: Truck-trailer

               LENGTH OF THE CARGO-CARRYING UNITS: 78 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER, PERMIT, and ACCESS: Same as the ID-TT2 combination.
    VEHICLE: Overall combination length limited to 85 feet.
    ROUTES: Same as the ID-TT2 combination.
    LEGAL CITATIONS: Same as the ID-TT2 combination.

                              STATE: IDAHO

   COMBINATION: Truck-trailer-trailer, and Truck-semitrailer-trailer.

               LENGTH OF THE CARGO-CARRYING UNITS: 98 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER, PERMIT, and ACCESS: Same as the ID-TT2 combination.
    VEHICLE: Overall combination length limited to 105 feet.
    ROUTES: Same as the ID-TT2 combination.
    LEGAL CITATIONS: Same as the ID-TT2 combination.

                             STATE: INDIANA

          COMBINATION: Truck tractor and 2 trailing units--LCV

              LENGTH OF THE CARGO-CARRYING UNITS: 106 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 127,400 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: Single axle=22,400 pounds. Axles spaced less than 40 inches 
between centers are considered to be single axles.
    Tandem axle=36,000 pounds. Axles spaced more than 40 inches but less 
than 9 feet between centers are considered to be tandem axles.
    Gross vehicle weight=90,000 pounds plus 1,070 pounds per foot for 
each foot of total vehicle length in excess of 60 feet with a maximum 
gross weight not to exceed 127,400 pounds.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement, and a Toll Road identification card. Drivers 
must be at least 26 years old, in good health, and with 5 years of 
experience driving tractor-semitrailers or tandem-trailer combinations. 
Experience must include driving in all four seasons.
    VEHICLE: Lightest trailer to the rear. Distance between coupled 
trailers shall not exceed 9 feet. The combination vehicle, including 
coupling devices, shall be designed and constructed so as to ensure that 
while traveling on a level, smooth paved surface each

[[Page 287]]

trailing unit will follow in the path of the towing vehicle without 
shifting or swerving from side to side more than 3 inches. The 
combination vehicle must have at least five axles but not more than nine 
axles and except on ramps be able to achieve and maintain a speed of 45 
miles per hour. Following distance is 500 feet, and passing maneuvers 
must be completed within 1 mile. The truck tractor must be equipped at a 
minimum with emergency equipment including fire extinguisher, spare 
fuses, tire chains, tire tread minimums, and disabled vehicle warning 
devices. Every dolly must be coupled with safety chain directly to the 
frame of the semitrailer by which it is towed. Each unit in a multi-
trailer combination must be equipped at a minimum with electric lights 
and reflectors mounted on the vehicle.
    PERMIT: A free annual tandem-trailer permit must be obtained from 
the Indiana DOT for loads which exceed 90,000 pounds. A multiple-trip 
access permit, for which a fee is charged, must also be obtained for 
access to points of delivery or to breakdown locations. Permission to 
operate can be temporarily suspended by the Indiana DOT due to weather, 
road conditions, holiday traffic, or other emergency conditions. Any 
oversize vehicle whose length exceeds 80 feet shall not be operated at a 
speed in excess of 45 miles per hour. Oversize loads are not to be 
operated at any time when wind velocity exceeds 25 miles per hour.
    ACCESS: 15 miles from toll gates.

                                 Routes
------------------------------------------------------------------------
                                         From                 To
------------------------------------------------------------------------
I-80/90 (IN Toll Road)..........  Toll Road Gate 21.  Ohio.
I-90 (IN Toll Road).............  Illinois..........  Toll Road Gate 21.
------------------------------------------------------------------------

                            LEGAL CITATIONS:

Indiana Code 9-8-1-16
Indiana Code 8-15-2
135 Indiana Administrative Code 2

                             STATE: INDIANA

          COMBINATION: Truck tractor and 3 trailing units--LCV

             LENGTH OF THE CARGO-CARRYING UNITS: 104.5 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 127,400 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT, DRIVER, PERMIT, and ACCESS: Same as the IN-TT2 combination.
    VEHICLE: Semitrailers and trailers shall not be longer than 28.5 
feet, and the minimum number of axles for the combination is seven. 
Three trailing unit combinations must be equipped with adequate spray-
suppressant mud flaps which are properly maintained.
    ROUTES: Same as the IN-TT2 combination.
    LEGAL CITATIONS: Same as the IN-TT2 combination.

                             STATE: INDIANA

   COMBINATION: Combination of three or more vehicles coupled together

               LENGTH OF THE CARGO CARRYING UNITS: 58 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: The maximum width is 102 inches, and the maximum height is 
13 feet 6 inches.
    PERMIT: None required.
    ACCESS: Unlimited.

                   ROUTES: All roads within the State.

                 LEGAL CITATIONS: Indiana Code 9-8-1-2.

                               STATE: IOWA

          COMBINATION: Truck tractor and 2 trailing units--LCV.

 LENGTH OF THE CARGO-CARRYING UNITS: 100 feet when entering Sioux City 
from South Dakota or South Dakota from Sioux City; 65 feet when entering 
         Sioux City from Nebraska or Nebraska from Sioux City..

MAXIMUM ALLOWABLE GROSS WEIGHT: 129,000 pounds when entering Sioux City 
 from South Dakota or South Dakota from Sioux City; 95,000 pounds when 
     entering Sioux City from Nebraska or Nebraska from Sioux City.

                         OPERATIONAL CONDITIONS:

    Iowa allows vehicles from South Dakota and Nebraska access to 
terminals which are located within the corporate limits of Sioux City 
and its commercial zone as shown in 49 CFR 1048.101 on November 28, 
1995. These vehicles must be legal in the State from which they enter 
Iowa.
    WEIGHT, DRIVER, VEHICLE, AND PERMIT: Same conditions which apply to 
a truck tractor and 2 trailing units legally operating in South Dakota 
or Nebraska.
    ACCESS: These combinations may operate on any road within the 
corporate limits of Sioux City and its commercial zone as shown in 49 
CFR 1048.101 on November 28, 1995, when

[[Page 288]]

authorized by appropriate State or local authority.
    ROUTES: LCV combinations may operate on all Interstate System routes 
in Sioux City and its commercial zone as shown in 49 CFR 1048.101 on 
November 28, 1995. If subject only to the ISTEA freeze on length, they 
may operate on all NN routes in Sioux City and its commercial zone, as 
above.
    LEGAL CITATIONS: Iowa Code Sec. 321.457(2)(f) (1995).

                               STATE: IOWA

          COMBINATION: Truck tractor and 3 trailing units--LCV.

 LENGTH OF CARGO-CARRYING UNITS: 100 feet when entering Sioux City from 
              South Dakota or South Dakota from Sioux City.

MAXIMUM ALLOWABLE GROSS WEIGHT: 129,000 POUNDS when entering Sioux City 
           from South Dakota or South Dakota from Sioux City.

                         OPERATIONAL CONDITIONS:

    WEIGHT, DRIVER, VEHICLE, AND PERMIT: Same as the SD-TT3 combination.
    ACCESS: Same as the IA-TT2 combination.
    ROUTES: Same as the IA-TT2 combination.
    LEGAL CITATION: Same as the IA-TT2 combination.

                               STATE: IOWA

                       COMBINATION: Truck-trailer.

  LENGTH OF THE CARGO-CARRYING UNITS: 78 feet when entering Sioux City 
from South Dakota or South Dakota from Sioux City; 68 feet when entering 
          Sioux City from Nebraska or Nebraska from Sioux City.

                         OPERATIONAL CONDITIONS:

    Iowa allows vehicles from South Dakota and Nebraska access to 
terminals which are located within the corporate limits of Sioux City 
and its commercial zone, as shown in 49 CFR 1048.101 on November 28, 
1995. These vehicles must be legal in the State from which they enter 
Iowa.
    WEIGHT, DRIVER, VEHICLE, AND PERMIT: Same conditions which apply to 
a truck-trailer combination legally operating in Nebraska or South 
Dakota.
    ACCESS: Same as the IA-TT2 combination.
    ROUTES: Same as IA-TT2 combination.
    LEGAL CITATION: Same as the IA-TT2 combination.

                              STATE: KANSAS

          COMBINATION: Truck tractor and 2 trailing units--LCV

              LENGTH OF THE CARGO-CARRYING UNITS: 109 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 120,000 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: Combinations consisting of a truck tractor and two trailing 
units must comply with the Federal Bridge Formula, with maximum weights 
of 20,000 pounds on a single axle and 34,000 pounds on a tandem axle, 
and with a maximum gross weight of 120,000 pounds.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: Truck tractor and two trailing unit combinations must meet 
legal width and height with no time-of-day travel restrictions or other 
special requirements.
    PERMIT: Permits are not required for operation on the Kansas 
Turnpike. A permit is required for access between the Turnpike and motor 
freight terminals located within a 10-mile radius of each toll booth, 
except at the northeastern end of the Turnpike where a 20-mile radius is 
allowed. Access permits are valid for 6 months.
    ACCESS: Turnpike access routes include all routes between the 
Turnpike and a motor freight terminal located within a 10-mile radius of 
each toll booth, except at the northeastern end of the Turnpike where a 
20-mile radius is allowed.

                                 Routes
------------------------------------------------------------------------
                                         From                 To
------------------------------------------------------------------------
I-35 Kansas Tpk. Authority (KTA)  Oklahoma..........  KTA Exit 127.
I-70 KTA........................  KTA Exit 182......  KTA Exit 223.
I-335 KTA.......................  KTA Exit 127......  KTA Exit 177.
I-470 KTA.......................  KTA Exit 177......  KTA Exit 182.
LEGAL CITATIONS:
Kansas Statutes Annotated (KSA)
KSA 8-1911......................  KSA 68-2004.......  KSA 68-2019.
KSA 8-1914......................  KSA 68-2005.......  KSA 68-2048a.
KSA 68-2003.....................
------------------------------------------------------------------------


[[Page 289]]

                              STATE: KANSAS

          COMBINATION: Truck tractor and 3 trailing units--LCV

              LENGTH OF THE CARGO-CARRYING UNITS: 109 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 120,000 pounds

    OPERATIONAL CONDITIONS: The operations of triple trailing unit 
combinations are governed by two sets of criteria: (1) The Turnpike and 
Turnpike access rules, and (2) the SVC rules which apply off of the 
Turnpike except in the case of vehicles operating under Turnpike access 
authority. The Turnpike and Turnpike access rules allow a maximum 
combination vehicle length of 119 feet overall. The SVC rules require 
``Triples'' to have trailers of no more than 28.5 feet maximum length or 
a cargo-carrying length of approximately 95 feet.
    The Turnpike and Turnpike access rules have no time-of-day travel 
restrictions or other special requirements.
    The SVC rules have several operational conditions. SVC's cannot 
operate on holidays or during holiday weekends. SVC's cannot be 
dispatched or operated during adverse weather conditions. SVC's must 
travel in the right lane, except for passing, and the following distance 
is 100 feet for every 10 miles per hour. SVC permits can include any 
restrictions deemed necessary, including specific routes and hours, 
days, and/or seasons of operation. Rules and regulations can be 
promulgated regarding driver qualifications, vehicle equipment, and 
operational standards.
    WEIGHT: All triple trailing unit combinations must comply with the 
Federal Bridge Formula with maximum axle weights of 20,000 pounds on a 
single axle and 34,000 pounds on a tandem axle. The maximum gross weight 
is 120,000 pounds on the Turnpike and Turnpike access routes, but the 
SVC's have a maximum weight of 110,000 pounds.
    DRIVER: A commercial driver's license with the appropriate 
endorsement is required under both Turnpike and SVC rules. In addition, 
for SVC operation drivers must have completed SVC driver training and a 
company road test. Drivers must also have 2 years of experience driving 
tractor-semitrailers and 1 year driving doubles.
    VEHICLE: Vehicle requirements apply to the SVC program only. All 
axles, except steering axles, must have dual wheels, and all vehicles 
must be able to achieve and maintain a speed of 40 miles per hour on all 
grades. Antispray mud flaps shall be attached to the rear of each axle 
except the steering axle. Mud flaps shall have a surface designed to 
absorb and deflect excess moisture to the road surface. Drop and lift 
axles are prohibited. Vehicles may have a minimum of six and a maximum 
of nine axles. The heaviest trailers are to be placed forward. Hazardous 
cargo is prohibited. Convex mirrors are required on both sides of the 
cab. Equipment must comply with the requirements of 49 CFR 390-399.
    Any SVC shall be stable at all times during normal braking and 
normal operation. When traveling on a level, smooth paved surface, an 
SVC shall follow the towing vehicle without shifting or swerving beyond 
the restraints of the lane of travel.
    PERMIT: Same as the KS-TT2 combination on the Turnpike and Turnpike 
access routes. A fee per company plus a permit fee for each power unit 
is required for the SVC program, and the SVC permits are valid for 1 
year. SVC's operated pursuant to regulation 36-1-33 under an annual 
permit shall be covered by insurance.
    ACCESS: Turnpike access routes include all routes between the 
Turnpike and a motor freight terminal located within a 10-mile radius of 
each toll booth, except at the northeastern end of the Turnpike where a 
20-mile radius is allowed. SVC access routes include all routes between 
the Interstate and a motor freight terminal located within 5 miles of 
the Interstate at Goodland.

                                 ROUTES:

    A. For vehicles subject to the Turnpike and Turnpike access rules:

------------------------------------------------------------------------
                                         From                 To
------------------------------------------------------------------------
I-35 KTA........................  Oklahoma..........  KTA Exit 127.
I-70 KTA........................  KTA Exit 182......  KTA Exit 223.
I-335 KTA.......................  KTA Exit 127......  KTA Exit 177.
I-470 KTA.......................  KTA Exit 177......  KTA Exit 182.
------------------------------------------------------------------------

    B. For vehicles subject to the SVC rules:

------------------------------------------------------------------------
                                         From                 To
------------------------------------------------------------------------
I-70............................  Colorado..........  I-70 Exit 19
                                                       Goodland.
------------------------------------------------------------------------

    LEGAL CITATIONS: Same as the KS-TT2 combination, plus KSA 8-1915.

                          STATE: MASSACHUSETTS

          COMBINATION: Truck tractor and 2 trailing units--LCV

                LENGTH OF CARGO-CARRYING UNITS: 104 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 127,400 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: Any combination of vehicles may not exceed a maximum gross 
weight of 127,400 pounds. The maximum gross weight of the tractor and 
first semitrailer shall not exceed 71,000 pounds. The maximum gross 
weight of each unit of dolly and semitrailer

[[Page 290]]

shall not exceed 56,400 pounds. The maximum gross weight for the tractor 
and first semitrailer is governed by the formula 35,000 pounds plus 
1,000 pounds per foot between the center of the foremost axle and the 
center of the rearmost axle of the semitrailer. The maximum gross weight 
on any one axle is 22,400 pounds, and on any tandem axle it is 36,000 
pounds. Axles less than 46 inches between centers are considered to be 
one axle.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement and must be registered with the Massachusetts 
Turnpike Authority (MTA). Registration shall include all specified 
driving records, safety records, physical examinations, and minimum of 5 
years of driving experience with tractor trailers.
    VEHICLE:
    (1) Brake Regulation. The brakes on any vehicle, dolly converter, or 
combination of vehicles used in tandem-trailer operations as a minimum 
shall comply with Federal Motor Carrier Safety Regulations in 49 CFR 
part 393. In addition, any vehicle, dolly converter or combination of 
vehicles used in tandem-trailer operations shall meet the requirements 
of the provisions of the Massachusetts Motor Vehicle Law. Tandem-trailer 
combinations certified on or after June 1, 1968, shall be equipped with 
suitable devices to accelerate application and release of the brakes of 
the towed vehicle.
    (2) Axles. A tractor used to haul a tandem trailer combination with 
a gross weight of more than 110,000 pounds shall be equipped with tandem 
rear axles, each of which shall be engaged to bear its full share of the 
load on the roadway surface.
    (3) Tandem Assembly. When the gross weight of the trailers vary by 
more than 20 percent, they shall be coupled with the heaviest trailer 
attached to the tractor. Coupling devices and towing devices shall 
comply with the Federal regulations as stated in 49 CFR part 393. When 
the distance between the rear of the one semitrailer and the front of 
the following semitrailer is 10 feet or more, the dolly shall be 
equipped with a device, or the trailers shall be connected along the 
sides with suitable material, which will indicate to other Turnpike 
users that the trailers are connected and are in effect one unit. The 
MTA shall approve the devices or connections to be used on the 
semitrailers that would indicate it is one unit. Coupling devices shall 
be so designed, constructed, and installed, and the vehicles in a tandem 
trailer combination shall be so designed and constructed to ensure that 
when traveling on a level, smooth paved surface they will follow in the 
path of the towing vehicle without shifting or swerving over 3 inches to 
each side of the path of the towing vehicle when it is moving in a 
straight line. A tandem trailer unit may pass another vehicle traveling 
in the same direction only if the speed differential will allow the 
tandem trailer unit to complete the maneuver and return to the normal 
driving lane within a distance of 1 mile.
    Each truck tractor shall be equipped with at least one spare fuse or 
other overload protective device, if the devices are not of a reset 
type, for each kind and size used. The vehicle is to carry at least one 
set of tire chains for at least one driving wheel on each side between 
October 15 and May 1 of each year. Each truck tractor shall carry a fire 
extinguisher which shall have an aggregate rating of 20 BC.
    PERMIT: A permittee must demonstrate to the MTA that it has 
insurance coverage of the type and amounts required by Turnpike 
regulation. Both the tractor manufacturer and the permittee shall 
certify to the MTA, prior to the approval of a tractor, that it is 
capable of hauling the maximum permissible gross load to be transported 
by the permittee at a speed not less than 20 miles per hour on all 
portions of the turnpike system. The MTA may revoke or temporarily 
suspend any permit at will and the instructions of the MTA or 
Massachusetts State Police shall be complied with immediately.
    ACCESS: Makeup and breakup areas. Tandem trailer units shall not 
leave the Turnpike right-of-way and shall be assembled and disassembled 
only in designated areas.

                                 Routes
------------------------------------------------------------------------
                                         From                 To
------------------------------------------------------------------------
I-90 Mass Turnpike..............  New York State....  Turnpike Exit 18
                                                       Boston.
------------------------------------------------------------------------

                            LEGAL CITATIONS:

    The MTA, Massachusetts Rules and Regulations 730, and CMR 4.00.

                             STATE: MICHIGAN

          COMBINATION: Truck tractor and 2 trailing units--LCV

                 LENGTH OF CARGO-CARRYING UNITS: 58 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 164,000 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: The single-axle weight limit for LCV's is 18,000 pounds for 
axles spaced 9 feet or more apart. For axles spaced more than 3.5 but 
less than 9 feet apart, the single-axle weight limit is 13,000 pounds. 
The tandem-axle weight limit is 16,000 pounds per axle for the first 
tandem and 13,000 pounds per axle for all other tandems. Axles spaced 
less than 3.5 feet apart are limited to 9,000 pounds per axle. Maximum 
load per inch width of tire is

[[Page 291]]

700 pounds. Maximum gross weight is determined based on axle and axle 
group weight limits.
    When restricted seasonal loadings are in effect, load per inch width 
of tire and maximum axle weights are reduced as follows: Rigid 
pavements--525 pounds per inch of tire width, 25 percent axle weight 
reduction; Flexible pavements--450 pounds per inch of tire width, 35 
percent axle weight reduction.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: Truck height may not exceed 13.5 feet. There is no overall 
length for LCV's operating on the Interstate System when semitrailer and 
trailer lengths do not exceed 28.5 feet. If either the trailer or 
semitrailer is longer than 28.5 feet, the distance from the front of the 
first box to the rear of the second box may not exceed 58 feet. A 
combination of vehicles shall not have more than 11 axles, and the ratio 
of gross weight to net horsepower delivered to the clutch shall not 
exceed 400 to 1.
    PERMIT: Permits for divisible loads of more than 80,000 pounds must 
conform to either Federal or grandfathered axle and bridge spacing 
requirements.
    ACCESS: All designated State highways.
    ROUTES: All Interstate routes and designated State highways.

                            LEGAL CITATIONS:

Michigan Public Act 300, section 257.722
Michigan Public Act 300, section 257.719

                           STATE: MISSISSIPPI

             COMBINATION: Truck tractor and 2 trailing units

               LENGTH OF THE CARGO-CARRYING UNITS: 65 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: Each trailing unit may be a maximum of 30 feet long.
    PERMIT: None required.
    ACCESS: No restrictions, may operate Statewide.
    ROUTES: All NN routes.
    LEGAL CITATIONS: Section 63-5-19, Mississippi Code, Annotated, 1972.

                             STATE: MISSOURI

          COMBINATION: Truck tractor and 2 trailing units--LCV

              LENGTH OF THE CARGO-CARRYING UNITS: 110 feet

    MAXIMUM ALLOWABLE GROSS WEIGHT: 120,000 pounds when entering 
Missouri from Kansas; 95,000 pounds when entering from Nebraska; 90,000 
pounds when entering from Oklahoma.
    OPERATIONAL CONDITIONS: Missouri allows vehicles from neighboring 
States access to terminals in Missouri which are within 20 miles of the 
Missouri State Line. These vehicles must be legal in the State from 
which they are entering Missouri.
    WEIGHT, DRIVER, VEHICLE: Same conditions which apply to a truck 
tractor and two trailing units legally operating in Kansas, Nebraska, or 
Oklahoma.
    PERMIT: Annual blanket overdimension permits are issued to allow a 
truck tractor and two trailing units legally operating in Kansas, 
Nebraska, or Oklahoma to move to and from terminals in Missouri which 
are located within a 20-mile band of the State Line for these three 
States. There is a permit fee per power unit. The permits carry routine 
permit restrictions, but do not address driver qualifications or any 
other restrictions not included in the rules and regulations for all 
permitted movement.
    ACCESS: Routes as necessary to reach terminals.
    ROUTES: All NN routes within a 20-mile band from the Kansas, 
Nebraska, and Oklahoma borders.
    LEGAL CITATIONS: Sec. 304.170 and Sec. 304.200 Revised Statutes of 
Missouri 1990.

                             STATE: MISSOURI

          COMBINATION: Truck tractor and 3 trailing units--LCV

              LENGTH OF THE CARGO-CARRYING UNITS: 109 feet

    MAXIMUM ALLOWABLE GROSS WEIGHT: 120,000 pounds when entering 
Missouri from Kansas; 90,000 pounds when entering from Oklahoma.
    OPERATIONAL CONDITIONS: Missouri allows vehicles from neighboring 
States access to terminals in Missouri which are within 20 miles of the 
Missouri State Line. These vehicles must be legal in the State from 
which they are entering Missouri.
    WEIGHT, DRIVER, VEHICLE: Same conditions which apply to a truck 
tractor and three trailing units legally operating in Kansas or 
Oklahoma.

[[Page 292]]

    PERMIT: Annual blanket overdimension permits are issued to allow a 
truck tractor and three trailing units legally operating in Kansas or 
Oklahoma, to move to and from terminals in Missouri which are located 
within a 20-mile band of the State Line for these two States. There is a 
permit fee per power unit. The permits carry routine permit 
restrictions, but do not address driver qualifications or any other 
restrictions not included in the rules and regulations for all permitted 
movement.
    ACCESS: Routes as necessary to reach terminals.
    ROUTES: All NN routes within a 20-mile band from the Kansas and 
Oklahoma borders.
    LEGAL CITATIONS: Sec. 304.170 & Sec. 304.200 Revised Statutes of 
Missouri 1990.

                             STATE: MONTANA

          COMBINATION: Truck tractor and 2 trailing units--LCV

                 LENGTH OF CARGO-CARRYING UNITS: 93 feet

 MAXIMUM ALLOWABLE GROSS WEIGHT: 137,800 pounds for vehicles operating 
 under the Montana/Alberta Memorandum of Understanding (MOU). For other 
   MT-TT2 combinations, the maximum allowable gross weight is 131,060 
                                 pounds.

                         OPERATIONAL CONDITIONS:

    WEIGHT: Except for vehicles operating under the MOU, any vehicle 
carrying a divisible load over 80,000 pounds must comply with the 
Federal Bridge Formula found in 23 U.S.C. 127.
Maximum single-axle limit: 20,000 pounds
Maximum tandem-axle limit: 34,000 pounds
Maximum gross weight limit: 131,060 pounds
Maximum weight allowed per inch of tire width is 600 pounds.
    WEIGHT, MONTANA/ALBERTA MOU:
Maximum single-axle limit: 20,000 pounds
Maximum tandem-axle limit: 37,500 pounds
Maximum tridem-axle limit:
    Axles spaced from 94 to less than 118: 46,300 
pounds
    Axles spaced from 118 to less than 141: 50,700 
pounds
    Axles spaced from 141 to 146: 52,900 pounds
Maximum gross weight:
    A-Train: 118,000 pounds
    B-Train (eight axle): 137,800 pounds
    B-Train (seven axle): 124,600 pounds

    The designation of ``A-Train'' or ``B-Train'' refers to the manner 
in which the two trailing units are connected.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: No special requirements beyond compliance with Federal 
Motor Carrier Safety Regulations.
    PERMIT: Special permit required for double trailer combinations if 
either trailer exceeds 28.5 feet. Permits are available on an annual or 
a trip basis and provide for continuous travel. Statutory reference: 61-
10-124, MCA. For vehicles being operated under the Montana/Alberta MOU, 
operators must have paid gross vehicle weight fees for the total weight 
being carried. In addition, a term Restricted Route and Oversize Permit 
for which an annual fee is charged must be obtained. Finally, vehicle 
operators must secure a single-trip, overweight permit prior to each 
trip.
    ACCESS: Access must be authorized by the Montana DOT. For vehicles 
operated under the Montana/Alberta MOU, access routes from I-15 into 
Shelby are authorized when permits are issued. For vehicles with a 
cargo-carrying length greater than 88 feet, but not more than 93 feet, a 
2-mile access from the Interstate System is automatically granted to 
terminals and service areas. Access outside the 2-mile provision may be 
granted on a case-by-case basis by the Administrator of the Motor 
Carrier Services Division.
    ROUTES: Combinations with a cargo-carrying length greater than 88 
feet, but not more than 93 feet, are limited to the Interstate System. 
Combinations with a cargo-carrying length of 88 feet or less can use all 
NN routes except U.S. 87 from milepost 79.3 to 82.5. For vehicles being 
operated under the Montana/Alberta MOU, the only route available is I-15 
from the border with Canada to Shelby.
    LEGAL CITATION:

61-10-124 MCA...................  61-10-104 MCA.....  ARM 18.8.509(6)
61-10-107 (3) MCA...............  61-10-121 MCA.....  ARM 18.8.517, 518


Montana/Alberta Memorandum of Understanding
Administrative Rules of Montana

                             STATE: MONTANA

          COMBINATION: Truck tractor and 3 trailing units--LCV

              LENGTH OF THE CARGO-CARRYING UNITS: 100 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 131,060 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: Any vehicle carrying a divisible load over 80,000 pounds 
must comply with the Federal Bridge Formula found in 23 U.S.C. 127.
Maximum single-axle limit: 20,000 pounds
Maximum tandem-axle limit: 34,000 pounds
Maximum gross weight limit: 131,060 pounds

[[Page 293]]

Maximum weight allowed per inch of tire width is 600 pounds.

    DRIVER: Drivers of three trailing unit combinations must be 
certified by the operating company. This certification includes an 
actual driving test and knowledge of Federal Motor Carrier Safety 
Regulations and State law pertaining to triple vehicle operations. 
Drivers are also required to have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: The 100-foot cargo-carrying length is only with a 
conventional tractor within a 110-foot overall length limit. If a 
cabover tractor is used, the cargo length is 95 feet within a 105-foot 
overall length limit. Vehicles involved in three trailing unit 
operations must comply with the following regulations:
    1. Shall maintain a minimum speed of 20 miles per hour on any grade;
    2. Kingpins must be solid and permanently affixed;
    3. Hitch connections must be no-slack type;
    4. Drawbars shall be of minimum practical length;
    5. Permanently affixed axles must be designed for the width of the 
trailer;
    6. Anti-sail mudflaps or splash and spray suppression devices are 
required;
    7. The heavier trailers shall be in front of lighter trailers;
    8. A minimum distance of 100 feet per 10 miles per hour is required 
between other vehicles except when passing;
    9. Operating at speeds greater than 55 miles per hour is prohibited; 
and
    10. Vehicle and driver are subject to Federal Motor Carrier Safety 
Regulations.
    Reference: 18.8.517 Administrative Rules of Montana.
    PERMIT: Special triple vehicle permits are required for the 
operation of these combinations. Permits are available on an annual or 
trip basis. Permits are good for travel on the Interstate System only 
and are subject to the following conditions:
    1. Travel is prohibited during adverse weather conditions;
    2. Transportation of Class A explosives is prohibited; and
    3. Companies operating triple combinations must have an established 
safety program including driver certifications.
    ACCESS: Access is for 2 miles beyond the Interstate System, or 
further if granted by the Administrator of the Motor Carrier Services 
Division.
    ROUTES: Interstate System routes in the State.
    LEGAL CITATION: 18.8.517 Administrative Rules of Montana.

                             STATE: MONTANA

                       COMBINATION: Truck-Trailer

                 LENGTH OF CARGO-CARRYING UNITS: 88 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER, and ACCESS: Same as the MT-TT2 combination.
    VEHICLE: Same as the MT-TT2 combination, except overall length 
limited to 95 feet.
    PERMIT: Special permit required if overall length exceeds 75 feet. 
Special permits allow continuous travel and are available on an annual 
or trip basis.
    ROUTES: Same as the MT-TT2 combination.
    LEGAL CITATIONS: 61-10-121 and 61-10-124, MCA.

                             STATE: MONTANA

                   COMBINATION: Truck-trailer-trailer

              LENGTH OF THE CARGO-CARRYING UNITS: 103 feet

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER, PERMIT, and ACCESS: Same as the MT-TT2 combination.
    VEHICLE: The cargo-carrying unit length is 103 feet with a 
conventional truck within a 110-foot overall length limit, and 98 feet 
with a cab-over-engine truck within a 105-foot overall length limit. On 
two-lane highways the cargo-carrying unit length is 88 feet within a 95-
foot overall length limit.
    ROUTES: All NN routes except U.S. 87 between mileposts 79.3 and 
82.5.

                            LEGAL CITATIONS:

61-10-124 MCA
61-10-121 MCA
ARM 18-8-509

[[Page 294]]

                             STATE: NEBRASKA

          COMBINATION: Truck tractor and 2 trailing units--LCV

   LENGTH OF THE CARGO-CARRYING UNITS: 95 feet for combination units 
 traveling empty. 65 feet for combination units carrying cargo, except 
 those carrying seasonally harvested products from the field where they 
  are harvested to storage, market, or stockpile in the field, or from 
     stockpile to market, which may extend the length to 71.5 feet.

                         OPERATIONAL CONDITIONS:

    WEIGHT:
Maximum weight:
    Single axle = 20,000 pounds
    Tandem axle = 34,000 pounds
    Gross = Determined by Federal Bridge Formula B, but not to exceed 
95,000 pounds.

    Truck tractor and 2 trailing unit combinations with a length of 
cargo-carrying units of over 65 feet are required to travel empty.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement. There are no additional special qualifications 
where the cargo-carrying unit lengths are 65 feet or less. For cargo-
carrying unit lengths over 65 feet, the driver must comply with all 
State and Federal requirements and must not have had any accidents while 
operating such vehicles.
    VEHICLE: For combinations with a cargo-carrying length over 65 feet, 
but not over 85 feet, the semitrailer cannot exceed 48 feet in length 
and the full trailer cannot be less than 26 feet or more than 28 feet 
long. The shorter trailer must be placed to the rear. The wheel path of 
the trailer(s) cannot vary more than 3 inches from that of the towing 
vehicle.
    For combinations with a cargo-carrying length greater than 85 feet, 
up to and including 95 feet, the trailers must be of approximately equal 
length.
    PERMIT: A weight permit in accordance with Chapter 12 of the 
Nebraska Department of Roads (NDOR) Rules and Regulations is required 
for operating on the Interstate System with weight in excess of 80,000 
pounds.
    A length permit, in accordance with Chapters 8 or 11 of the NDOR 
Rules and Regulations, is required for two trailing unit combinations 
with a length of cargo-carrying units over 65 feet. Except for permits 
issued to carriers hauling seasonally harvested products in combinations 
with a cargo-carrying length greater than 65 feet but not more than 71.5 
feet which may move as necessary to accommodate crop movement 
requirements, holders of length permits are subject to the following 
conditions.
    Movement is prohibited on Saturdays, Sundays, and holidays; when 
ground wind speed exceeds 25 miles per hour; when visibility is less 
than 800 feet; or when steady rain, snow, sleet, ice, or other 
conditions cause slippery pavement. Beginning November 15 until April 16 
permission to move must be obtained from the NDOR Permit Office within 3 
hours of movement. Beginning April 16 until November 15 permission to 
move must be obtained within 3 days of the movement.
    Fees are charged for all permits. Length permits for combinations 
carrying seasonally harvested products are valid for 30 days and are 
renewable but may not authorize operation for more than 120 days per 
year.
    All permits are subject to revocation if the terms are violated.
    ACCESS: Access to NN routes is not restricted for two trailing unit 
combinations with a cargo-carrying length of 65 feet or less, or 71.5 
feet or less if involved in carrying seasonally harvested products. For 
two trailing unit combinations with a cargo-carrying length greater than 
65 feet and not involved in carrying seasonally harvested products, 
access to and from I-80 is limited to designated staging areas within 
six miles of the route between the Wyoming State Line and Exit 440 
(Nebraska Highway 50); and except for weather, emergency, and repair, 
cannot reenter I-80 after exiting.
    ROUTES: Except for length permits issued to carriers hauling 
seasonally harvested products in combinations with a cargo-carrying 
length greater than 65 feet but not more than 71.5 feet which may use 
all non-Interstate NN routes, vehicles requiring length permits are 
restricted to Interstate 80 between the Wyoming State Line and Exit 440 
(Nebraska Highway 50). Combinations not requiring length permits may use 
all NN routes.

                            LEGAL CITATIONS:

Nebraska Revised Statutes Reissued 1988
Sec. 39-6,179 (Double trailers under 65 feet)
Sec. 39-6,179.01 (Double trailers over 65 feet)
Sec. 39-6,180.01 (Authorized weight limits)
Sec. 39-6,181 (Vehicles; size; weight; load; overweight; special 
permits; etc.)
Nebraska Department of Roads Rules and Regulations, Title 408, Chapter 1 
(Double trailers over 65 feet)

                             STATE: NEBRASKA

             COMBINATION: Truck tractor and 3 trailing units

               LENGTH OF THE CARGO-CARRYING UNITS: 95 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: A truck tractor and three trailing unit combination is 
required to travel empty.
    DRIVER: Same as the NE-TT2 combination.

[[Page 295]]

    PERMIT: A length permit, in accordance with Chapter 11 of the NDOR 
Rules and Regulations is required for a three trailing unit combination. 
Conditions of the length permit prohibit movements on Saturdays, 
Sundays, and holidays; when ground wind speed exceeds 25 miles per hour; 
and when visibility is less than 800 feet. Movement is also prohibited 
during steady rain, snow, sleet, ice, or other conditions causing 
slippery pavement. Beginning November 15 until April 16 permission to 
move must be obtained from the NDOR Permit Office within 3 hours of 
movement. Beginning April 16 until November 15 permission to move must 
be obtained within 3 days of the movement. A fee is charged for the 
annual length permit. These permits can be revoked if the terms are 
violated.
    ACCESS: Access to and from I-80 is limited to designated staging 
areas within 6 miles of the route between Wyoming State Line and Exit 
440 (Nebraska Route 50). Except for weather, emergency, and repair, 
three trailing unit combinations cannot reenter the Interstate after 
having exited.
    VEHICLE: A three trailing unit combination must have trailers of 
approximately equal length and the overall vehicle length cannot exceed 
105 feet.
    ROUTES: I-80 from Wyoming to Exit 440 (Nebraska Highway 50).

                            LEGAL CITATIONS:

Neb. Rev. Stat. Sec. 39-6.179,01 (Reissue 1988)
Nebraska Department of Roads Rules and Regulations, Title 408, Chapter 1

                             STATE: NEBRASKA

                       COMBINATION: Truck-trailer

               LENGTH OF THE CARGO-CARRYING UNITS: 68 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: The overall vehicle length, including load, cannot exceed 
75 feet.
    PERMIT: No permit is required.
    ACCESS: Statewide during daylight hours only.
    ROUTES: All NN routes.
    LEGAL CITATIONS: Neb. Rev. Stat. Sec. 39-6,179.

                              STATE: NEVADA

          COMBINATION: Truck tractor and 2 trailing units--LCV

               LENGTH OF THE CARGO-CARRYING UNITS: 95 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 129,000 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: The single-axle weight limit is 20,000 pounds, the tandem-
axle weight limit is 34,000 pounds, and the gross weight is subject to 
the Federal Bridge Formula limits, provided that two consecutive tandems 
with a distance of 36 feet or more between the first and last axle may 
carry 34,000 pounds on each tandem.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement, be at least 25 years old, and have had a 
medical exam within previous 24 months. Every operator must be covered 
by a liability insurance policy with personal injury and property damage 
limits meeting State requirements.
    VEHICLE: No trailer may be longer than 48 feet. If one trailer is 48 
feet long, the other trailer cannot exceed 42 feet. Towed vehicles must 
not shift or sway more than 3 inches to right or left and must track in 
a straight line on a level, smooth paved highway. Vehicles must be able 
to accelerate and operate on a level highway at speeds which are 
compatible with other traffic and with the speed limits and must be able 
to maintain a minimum of 20 miles per hour on any grade on which they 
may operate. All vehicles must have safety chains on converter dollies. 
Vehicles must carry snow chains for each drive wheel.
    Vehicle operations may be suspended in adverse weather and high 
winds, as determined by police or the Nevada DOT.
    The shortest trailer must be in the rear of a combination unless it 
is heavier than the longer trailer.
    Brakes must comply with all State and Federal requirements for 
commercial vehicles including automatic braking for separation of 
vehicles, parking brakes, and working lights.
    Vehicles must not exceed posted speed limits and cannot operate on 
any highway on which they cannot at all times stay on the right side of 
the center line. All LCV's must keep a distance of at least 500 feet 
from each other.
    Every full-sized truck or truck tractor used in a combination of 
vehicles must be equipped with at least the following emergency and 
safety equipment:
    1. One fire extinguisher which meets ``Classification B'' of the 
National Fire Protection Association.

[[Page 296]]

    2. One spare light bulb for every electrical lighting device used on 
the rear of the last vehicle in a combination of vehicles.
    3. One spare fuse for each different kind and size of fuse used in 
every vehicle in the combination of vehicles. If the electrical system 
of any vehicle in the combination contains any devices for protection of 
electrical circuits from overloading, other than fuses and circuit 
breakers which can be reset, one spare of each such device must be kept 
as emergency and safety equipment.
    4. Any flares, reflectors or red electrical lanterns which meet 
State or Federal law or regulation.
    Before operating a combination of vehicles on a highway of this 
State, the owner or operator of the combination shall certify to the 
Nevada DOT, on a form provided by it, that all vehicles and equipment in 
the combination meet the requirements of and will be operated in 
compliance with NAC 484.300 to 484.440, inclusive.
    All axles except for steering axles and axles that weigh less than 
10,000 pounds must have at least four tires unless the tire width of 
each tire on the axles is 14 inches or greater.
    PERMIT: Permits are required and a fee is charged. They may be 
revoked for violation of any of the provisions of the legal regulations. 
The State may suspend operation on roads deemed unsafe or impracticable. 
Permits must be carried in the vehicle along with identification devices 
issued by the Nevada Department of Motor Vehicles.
    ACCESS: As authorized by the Nevada DOT.
    ROUTES: All NN routes, except US 93 from Nevada State route 500 to 
Arizona.
    LEGAL CITATIONS: NRS 484.400, .405(4), .425, .430, .739, 408.100-4, 
.100-6(a), and 706.531. Also, ``Regulations for the Operation of 70 to 
105 foot Combinations'' (1990).

                              STATE: NEVADA

          COMBINATION: Truck tractor and 3 trailing units--LCV

               LENGTH OF THE CARGO-CARRYING UNITS: 95 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 129,000 pounds

    OPERATIONAL CONDITIONS: Same as the NV-TT2 combination.
    ROUTES: Same as the NV-TT2 combination.
    LEGAL CITATIONS: Same as the NV-TT2 combination.

                              STATE: NEVADA

          COMBINATION: Truck-trailer, and Truck-trailer-trailer

               LENGTH OF THE CARGO-CARRYING UNITS: 98 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER, VEHICLE, and ACCESS: Same as the NV-TT2 combination.
    PERMITS: Same as the NV-TT2 combination, except permits for Truck-
trailer, or Truck-trailer-trailer combinations are only required when 
the overall length is 70 feet or more.
    ROUTES: Same as the NV-TT2 combination.
    LEGAL CITATIONS: Same as the NV-TT2 combination.

                            STATE: NEW MEXICO

          COMBINATION: Truck tractor and 2 trailing units--LCV

           LENGTH OF THE CARGO-CARRYING UNITS: Not applicable

              MAXIMUM ALLOWABLE GROSS WEIGHT: 86,400 pounds

    OPERATIONAL CONDITIONS: The cargo-carrying length restriction does 
not apply to this combination. The length of each trailing unit is 
limited to 28.5 feet. This describes a two trailing unit vehicle whose 
operation is guaranteed by the STAA of 1982 regardless of inter-unit 
spacing. As long as each trailing unit is 28.5 feet long or less, cargo-
carrying length is not restricted. This combination is listed as a LCV 
because it can exceed the 80,000-pound threshold established in the 
Congressional definition. The 86,400-pound gross weight limit is 
grandfathered for New Mexico.
    WEIGHT: Single axle = 21,600 pounds. Tandem axle = 34,200 pounds. 
Load per inch of tire width = 600 pounds. The total gross weight with 
load imposed on the highway by any vehicle or combination of vehicles 
where the distance between the first and last axles is less than 19 feet 
shall not exceed that given for the respective distances in the 
following table:

------------------------------------------------------------------------
                                                                 Allowed
                                                                 load in
    Distance in feet between first and last axles of group       pounds
                                                                on group
                                                                of axles
------------------------------------------------------------------------
4.............................................................    34,320

[[Page 297]]


5.............................................................    35,100
6.............................................................    35,880
7.............................................................    36,660
8.............................................................    37,440
9.............................................................    38,220
10............................................................    39,000
11............................................................    39,780
12............................................................    40,560
13............................................................    41,340
14............................................................    42,120
15............................................................    42,900
16............................................................    43,680
17............................................................    44,460
18............................................................    45,240
------------------------------------------------------------------------

    The total gross weight with load imposed on the highway by any 
vehicle or combination of vehicles where the distance between the first 
and last axles is 19 feet or more shall not exceed that given for the 
respective distances in the following table:

------------------------------------------------------------------------
                                                                 Allowed
                                                                 load in
    Distance in feet between first and last axles of group       pounds
                                                                on group
                                                                of axles
------------------------------------------------------------------------
19............................................................    53,100
20............................................................    54,000
21............................................................    54,900
22............................................................    55,800
23............................................................    56,700
24............................................................    57,600
25............................................................    58,500
26............................................................    59,400
27............................................................    60,300
28............................................................    61,200
29............................................................    62,100
30............................................................    63,000
31............................................................    63,900
32............................................................    64,800
33............................................................    65,700
34............................................................    66,600
35............................................................    67,500
36............................................................    68,400
37............................................................    69,300
38............................................................    70,200
39............................................................    71,100
40............................................................    72,000
41............................................................    72,900
42............................................................    73,800
43............................................................    74,700
44............................................................    75,600
45............................................................    76,500
46............................................................    77,400
47............................................................    78,300
48............................................................    79,200
49............................................................    80,100
50............................................................    81,000
51............................................................    81,900
52............................................................    82,800
53............................................................    83,700
54............................................................    84,600
55............................................................    85,500
56 and over...................................................    86,400
------------------------------------------------------------------------

    The distance between the centers of the axles shall be measured to 
the nearest even foot. When a fraction is exactly one-half the next 
larger whole number shall be used.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: No special requirements beyond normal Federal Motor Carrier 
or State regulations. The maximum length of the trailing units is 28.5 
feet.
    PERMIT: None Required.
    ACCESS: STAA vehicles must be allowed reasonable access in 
accordance with 23 CFR 658.19.
    ROUTES: All Interstate highways.

                            LEGAL CITATIONS:

66-7-409 NMSA 1978
66-7-410 NMSA 1978

                             STATE: NEW YORK

          COMBINATION: Truck tractor and 2 trailing units--LCV

              LENGTH OF THE CARGO-CARRYING UNITS: 102 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 143,000 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: The following information pertains to tandem trailer 
combinations with either trailer more than 28.5 feet long but not more 
than 48 feet long. A nine-axle combination vehicle may not exceed a 
total maximum gross weight of 143,000 pounds. An eight-axle combination 
vehicle may not exceed a total maximum gross weight of 138,400 pounds. 
The maximum gross weight that may be carried upon any combination of 
units is limited by the maximum gross weight that can be carried upon 
the axles as follows. For a nine-axle combination: Drive axles--36,000 
pounds, axles four/five--36,000 pounds, axles six/seven--27,000 pounds, 
and axles eight/nine--36,000 pounds. A minimum 12-foot axle spacing 
between the fifth and sixth axles is also required on the nine-axle LCV. 
For an eight-axle combination: Drive axles--36,000 pounds, axles four/
five--36,000 pounds, sixth axle--22,400 pounds, and axles seven/eight--
36,000 pounds. The eight-axle LCV has no minimum axle-spacing 
requirements. For gross weights in excess of 138,400 pounds the 
combination must include a tandem-axle dolly to meet the nine-axle 
requirements. Maximum permissible gross weight for B-train combination 
is 127,000 pounds.
    When the gross weight of the two trailers in a tandem combination 
vary more than 20 percent, the heaviest of the two must be placed in the 
lead position.
    For tandem trailer combinations in which neither trailing unit 
exceeds 28.5 feet in length the following maximum allowable weights 
apply: for a single axle--28,000

[[Page 298]]

pounds (except that steering axles may not exceed 22,400 pounds), for a 
tandem axle--42,500 pounds, for a tri-axle--52,500 pounds. The gross 
weight may not exceed 100,000 pounds or the manufacturers gross weight 
rating, whichever is lower.
    DRIVER: For operation on highways under the jurisdiction of the New 
York State Thruway Authority (NYSTA), except for the full length of I-84 
and that portion of I-287 from Thruway exit 8 to I-95, the driver must 
have a commercial driver's license with the appropriate endorsement, and 
hold a Tandem Trailer Driver's Permit issued by the NYSTA. In order to 
obtain an NYSTA driver's permit, an applicant must (1) hold a valid 
commercial driver's license with multiple-trailer endorsement; (2) be 
over 26 years old, in good health, and have at least 5 years of provable 
experience driving tractor-trailer combinations; and (3) meet all other 
application requirements with regard to driving history established by 
the NYSTA. Qualified drivers receive a Tandem Trailer Driver's Permit 
for Tandem Vehicle Operation which is valid only for the operation of 
the certified equipment owned by the company to which the permit is 
issued.
    For operation on highways under the jurisdiction of the New York 
State DOT, cities not wholly included in one county, the full length of 
I-84 and that portion of I-287 from Thruway exit 8 to I-95, the driver 
must have a commercial driver's license with the appropriate 
endorsement.
    VEHICLE: All vehicles must meet the requirements of applicable 
Federal and State statutes, rules, and regulations. Vehicles operating 
on highways under the jurisdiction of the NYSTA, except for the full 
length of I-84 and that portion of I-287 from Thruway exit 8 to I-95, 
must also meet the following additional requirements. The tractor 
manufacturer and the permittee shall certify to the NYSTA prior to the 
approval of the tractor that it is capable of hauling the maximum 
permissible gross load at a speed of not less than 20 miles per hour on 
all portions of the thruway system.
    The brakes on any vehicle, dolly converter, or combination of 
vehicles shall comply with 49 CFR part 393 and, in addition, any vehicle 
or dolly converter shall meet the provisions of the New York State 
Traffic Law.
    Tandem trailer operations shall be equipped, at a minimum, with 
emergency equipment as required by 49 CFR part 393, subpart H, as 
amended, tire chains from October 15 to May 1 of each year, a fire 
extinguisher with an aggregate rating of 20BC, and each trailer with 
specific lamps and reflectors.
    All tractors certified by the NYSTA for use with tandem trailers 
will be assigned an identification number by the NYSTA which must be 
placed on the vehicle. The number must be at least 3 inches in height 
and visible to a person standing at ground level opposite the driver's 
position in the cab.
    Axle Type. Tractors to be used for hauling 110,000 pounds or more 
shall be equipped with tandem rear axles, both with driving power. 
Tractors to be used for hauling 110,000 pounds or less may have a single 
drive axle. Tandem combinations using single wheel tires commonly 
referred to as ``Super Singles'' are required to use triple-axle 
tractors, dual-axle trailers, and dual-axle dollies.
    Dollies. Every converter dolly certified on and after June 1, 1968, 
used to convert a semitrailer to a full trailer may have either single 
or tandem axles at the option of the permittee. Single-axle dollies may 
not utilize low profile tires. Combination vehicles with a gross weight 
in excess of 138,400 pounds must have a tandem-axle dolly to meet the 
nine-axle requirement. If the distance between two semitrailers is 10 
feet or more, the dolly shall be equipped with a device or the trailers 
connected along the sides with suitable material to indicate they are in 
effect one unit. The devices or connection shall be approved by the 
NYSTA prior to use on a tandem trailer combination. The NYSTA tandem-
trailer provisions require that converter dollies shall be coupled with 
one or more safety chains or cables to the frame or an extension of the 
frame of the motor vehicle by which it is towed. Each dolly converter 
must also be equipped with mud flaps. Tandem combinations using a 
sliding fifth wheel attached to the lead trailer, known as a ``B-Train'' 
combination, will require a separate Thruway Engineer Service approval 
prior to the initial tandem run. Special provisions regarding B-Trains 
will be reviewed at the time of the application or request for use on 
the Thruway.
    PERMIT: For operation on highways under the jurisdiction of the New 
York State DOT, cities not wholly included in one county, or the 
following highway sections under NYSTA jurisdiction; the full length of 
I-84 and that portion of I-287 from Thruway exit 8 to I-95, a permit to 
exceed the weight limits set forth in section 385(15) of the New York 
State Vehicle and Traffic Law must be obtained from the State DOT, city 
involved, or the NYSTA. A fee is charged for the permit.
    For operation on highways under the jurisdiction of the NYSTA, 
except for the full length of I-84 and that portion of I-287 from 
Thruway exit 8 to I-95, companies must file an application for a Tandem 
Trailer Permit with the NYSTA. Permits are issued to such companies upon 
meeting qualifications, including insurance, for tandem combinations 
over 65 feet in length. No permit fee is charged; however, Thruway tolls 
are charged for each use of the Thruway, and the equipment must be 
certified by the NYSTA annually. The annual re-certification of 
equipment is handled by: New York State

[[Page 299]]

Thruway Authority, Manager of Traffic Safety Services, P.O. Box 189, 
Albany, New York 12201-0189
    Transportation of hazardous materials is subject to special 
restrictions plus 49 CFR part 397 of the Federal Motor Carrier Safety 
Regulations.
    ACCESS: For tandem trailer combinations with either trailer more 
than 28.5 feet long but not more than 48 feet long, the following access 
is available to authorized operating routes.

I-87 (New York Thruway) Access provided at Thruway Exit 21B to or from a 
          point 1,500 feet north of the Thruway on US 9W.
I-90 (NYSTA-Berkshire Section) access provided at:
    (1) Thruway Exit B-1 to or from a point 0.8 mile north of the 
southern most access ramp on US 9.
    (2) Thruway Exit B-3 within a 2,000-foot radius of the Thruway ramps 
to NY 22.
I-90 (New York Thruway) access provided at:
    (1) Thruway Exit 28 within a radius of 1,500 feet of the toll booth 
at Fultonville, New York.
    (2) Thruway Exit 32 to or from a point 0.6 mile north of the Thruway 
along NY 233.
    (3) Thruway Exit 44 to or from a point 0.8 mile from the Thruway 
along NY 332 and Collett Road.
    (4) Thruway Exit 52 to or from:
    (a) A point 1.7 miles west and south of the Thruway via Walden 
Avenue and NY 240 (Harlem Road);
    (b) A point 0.85 mile east and south of the Thruway via Walden 
Avenue and a roadway purchased by the Town of Cheektowaga from Sorrento 
Cheese, Inc.
    (5) Thruway Exit 54 to or from a point approximately 2.5 miles east 
and north of the Thruway via routes NY 400 and NY 277.
    (6) Thruway Exit 56 to or from a point approximately 2 miles west 
and south of the Thruway via NY 179 and Old Mile Strip Road.
I-190 (NYSTA--Niagara Section) access provided at:
    (1) Thruway Exit N1 to or from:
    (a) A point 0.8 mile west of the Thruway exit along Dingens Street.
    (b) A point 0.45 mile from the Thruway exit via Dingens Street and 
James E. Casey Drive.
    (2) Thruway Exit N5 to or from a point approximately 1.0 miles south 
of the Thruway via Louisiana Street and South Street.
    (3) Thruway Exit N15 to or from a point 0.5 mile southeast of the 
Thruway via NY 325 (Sheridan Drive) and Kenmore Avenue.
    (4) Thruway Exit N17 to or from:
    (a) A point 1.5 miles north of the Thruway on NY 266 (River Road).
    (b) A point approximately 0.4 mile south of the Thruway on NY 266 
(River Road).

    Tandem trailer combinations in which neither trailing unit exceeds 
28.5 feet in length are restricted to the Designated Qualifying and 
Access Highway System.
    ROUTES: For tandem trailer combinations with either trailer more 
than 28.5 feet long, but not more than 48 feet long, the following 
routes are available:

------------------------------------------------------------------------
                                         From                 To
------------------------------------------------------------------------
I-87 (New York Thruway).........  Bronx/Westchester   Thruway Exit 24.
                                   County Line.
I-90 (New York Thruway).........  Pennsylvania......  Thruway Exit 24.
I-90 (New York Thruway Berkshire  Thruway Exit B-1..  Massachusetts.
 Section).
I-190 (New York Thruway Niagara   Thruway Exit 53...  Int'l Border with
 Section).                                             Canada.
NY 912M (Berkshire Connection of  Thruway Exit 21A..  Thruway Exit B-1.
 the New York Thruway).
------------------------------------------------------------------------

    Tandem trailer combinations in which neither trailing unit exceeds 
28.5 feet in length may operate on all NN Highways.

                            LEGAL CITATIONS:

Public Authorities Law--Title 9, sec. 350, et. seq. (section 361 is most 
relevant)
New York State Thruway Authority Rules & Regulations, sections 100.6, 
100.8, and 103.13
New York State Vehicle & Traffic Law, sections 385 and 1630

                           STATE: NORTH DAKOTA

          COMBINATION: Truck tractor and 2 trailing units--LCV

              LENGTH OF THE CARGO-CARRYING UNITS: 103 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 105,500 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: The Gross Vehicle Weight (GVW) of any vehicle or combination 
of vehicles is determined by the Federal Bridge Formula, including the 
exception for two sets of tandems spaced 36 feet apart.
    No single axle shall carry a gross weight in excess of 20,000 
pounds. Axles spaced 40 inches or less apart are considered one axle. 
Axles spaced 8 feet or more apart are considered as individual axles. 
The gross weight of two individual axles may be restricted by the weight 
formula. Spacing between axles shall be measured from axle center to 
axle center.
    Axles spaced over 40 inches but less than 8 feet apart shall not 
carry a gross weight in excess of 17,000 pounds per axle. The gross 
weight of three or more axles in a grouping

[[Page 300]]

is determined by the measurement between the extreme axle centers. 
During the spring breakup season or on otherwise posted highways, 
reductions in the above axle weights may be specified.
    The weight in pounds on any one wheel shall not exceed one-half the 
allowable axle weight. Dual tires are considered one wheel.
    The weight per inch of tire width shall not exceed 550 pounds. The 
width of tire shall be the manufacturer's rating.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: The cargo length of a two trailing unit combination may not 
exceed 100 feet (when the power unit is a truck tractor) or 103 feet 
(when the power unit is a truck) when traveling on the NN or local 
highways designated by local authorities.
    All hitches must be of a load-bearing capacity capable of bearing 
the weight of the towed vehicles. The towing vehicle must have a hitch 
commonly described as a fifth wheel or gooseneck design, or one that is 
attached to the frame.
    The hitch on the rear of the vehicle connected to the towing vehicle 
must be attached to the frame of the towed vehicle. All hitches, other 
than a fifth wheel or gooseneck, must be of a ball and socket type with 
a locking device or a pintle hook.
    The drawn vehicles shall be equipped with brakes and safety chains 
adequate to control the movement of, and to stop and hold, such 
vehicles. When the drawn vehicle is of a fifth wheel or gooseneck 
design, safety chains are not required.
    In any truck or truck tractor and two trailer combination, the 
lighter trailer must always be operated as the rear trailer, except when 
the gross weight differential with the other trailer does not exceed 
5,000 pounds.
    The power unit shall have adequate power and traction to maintain a 
minimum speed of 15 miles per hour on all grades.
    PERMIT: No permits are required for GVW of 80,000 pounds or less. 
Single-trip permits are required for GVW exceeding 80,000 pounds. 
Weather restrictions (37-06-04-06, NDAC), weight distribution on 
trailers (37-06-04, NDAC), and signing requirements (37-06-04-05, NDAC) 
are applicable.
    Movements of LCV's are prohibited when:
    1. Road surfaces, due to ice, snow, slush, or frost present a 
slippery condition which may be hazardous to the operation of the unit 
or to other highway users;
    2. Wind or other conditions may cause the unit or any part thereof 
to swerve, whip, sway, or fail to follow substantially in the path of 
the towing vehicle; or
    3. Visibility is reduced due to snow, ice, sleet, fog, mist, rain, 
dust, or smoke.
    The North Dakota Highway Patrol may restrict or prohibit operations 
during periods when in its judgment traffic, weather, or other safety 
conditions make travel unsafe.
    The last trailer in any combination must have a ``LONG LOAD'' sign 
mounted on the rear. It must be a minimum of 12 inches in height and 60 
inches in length. The lettering must be 8 inches in height with 1-inch 
brush strokes. The letters must be black on a yellow background.
    Legal width--8 feet 6 inches on all highways.
    Legal height--13 feet 6 inches.
    ACCESS: Access for vehicles with cargo-carrying length of 68 feet or 
more is 10 miles off the NN. Vehicles with a cargo-carrying length less 
than 68 feet may travel on all highways in North Dakota.
    ROUTES: All NN routes.
    LEGAL CITATIONS: North Dakota Century Code, section 38-12-04; North 
Dakota Administrative Code, article 37-06.

                           STATE: NORTH DAKOTA

          COMBINATION: Truck tractor and 3 trailing units--LCV

              LENGTH OF THE CARGO-CARRYING UNITS: 100 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 105,500 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT, DRIVER, PERMIT, and ACCESS: Same as the ND-TT2 combination.
    VEHICLE: Same as the ND-TT2 combination, and in addition, in any 
combination with three trailing units the lightest trailer must always 
be operated as the rear trailer. For the first two trailing units the 
lighter trailer must always be second except when the gross weight 
differential with the other trailer does not exceed 5,000 pounds.

                 ROUTES: Same as the ND-TT2 combination.

            LEGAL CITATIONS: Same as the ND-TT2 combination.

                           STATE: NORTH DAKOTA

          COMBINATION: Truck-trailer, and Truck-trailer-trailer

              LENGTH OF THE CARGO-CARRYING UNITS: 103 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER, VEHICLE, PERMIT, and ACCESS: Same as the ND-TT2 combination.

[[Page 301]]

                 ROUTES: Same as the ND-TT2 combination.

            LEGAL CITATIONS: Same as the ND-TT2 combination.

                               STATE: OHIO

          COMBINATION: Truck tractor and 2 trailing units--LCV

              LENGTH OF THE CARGO-CARRYING UNITS: 102 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 127,400 pounds

    OPERATIONAL CONDITIONS: Long double combination vehicles are only 
allowed on that portion of Ohio's Interstate System which is under the 
jurisdiction of the Ohio Turnpike Commission (OTC). These same vehicles 
are not allowed on any portion of the Interstate System under the 
jurisdiction of the Ohio DOT.
    WEIGHT: The OTC has established the following provisions for 
operation:
    Maximum Weight: Single axle = 21,000 pounds; tandem axle spaced 4 
feet or less apart = 24,000 pounds; tandem axle spaced more than 4 feet 
but less than 8 feet apart = 34,000 pounds; gross weight for doubles 90 
feet or less in length = 90,000 pounds; gross weight for doubles over 90 
feet but less than 112 feet in length = 127,400 pounds.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement, be over 26 years of age, in good health, and 
shall have not less than 5 years of experience driving tractor-trailer 
or tractor-short double trailer motor vehicles. Such driving experience 
shall include experience throughout the four seasons. Drivers must 
comply with the applicable current requirements of the Federal Motor 
Carrier Safety Regulations, Federal Hazardous Materials Regulations, and 
the Economic and Safety regulations of the Ohio Public Utility 
Commission.
    VEHICLE: Vehicles being operated under permit at night must be 
equipped with all lights and reflectors required by the Ohio Public 
Utilities Commission and the Federal Motor Carrier Safety Regulations, 
except that the trailer shall be equipped with two red tail lights and 
two red or amber stop lights mounted with one set on each side. Trailer 
and semitrailer length for doubles cannot exceed 48 feet, and mixed 
trailer length combinations are not allowed for combination vehicles 
over 90 feet in length. Combined cargo-carrying length, including the 
trailer hitch, cannot be less than 80 feet or more than 102 feet. The 
number of axles on a double shall be a minimum of five and a maximum of 
nine. A tractor used in the operation of a double shall be capable of 
hauling the maximum weight at a speed of not less than 40 miles per hour 
on all portions of the Turnpike.
    PERMIT: A special permit is required if the vehicle is over 102 
inches wide, 14 feet high, or 65 feet in length including overhang. 
Tractor-semitrailer-semitrailer combinations require a permit if over 75 
feet in length, excluding an allowed 3-foot front overhang and a 4-foot 
rear overhang. For vehicles over 120 inches wide, 14 feet high, or 80 
feet long or if any unit of the combination vehicle is over 60 feet in 
length, travel is restricted to daylight hours Monday through noon 
Saturday, except holidays and the day before and after holidays. 
Operators are restricted to daylight driving if the load overhang is 
more than 4 feet. A ``Long Double Trailer Permit'' issued by the OTC is 
required for operation of doubles in excess of 90 feet in length. Towing 
units and coupling devices shall have sufficient structural strength to 
ensure safe operation. Vehicles and coupling devices shall be so 
designed, constructed, and installed in a double as to ensure that any 
towed vehicles when traveling on a level, smooth paved surface will 
follow in the path of the towing vehicle without shifting or swerving 
more than 3 inches to either side of the path of the towing vehicle when 
the latter is moving in a straight line. Vehicle coupling devices and 
brakes shall meet the requirements of the Ohio Public Utilities 
Commission and Federal Motor Carrier Safety Regulations. The distance 
between the rearmost axle of a semitrailer and the front axle of the 
next semitrailer in a coupled double unit shall not exceed 12 feet 6 
inches. In no event shall the distance between the semitrailers coupled 
in a double exceed 9 feet. Double and triple trailer combinations must 
be equipped with adequate, properly maintained spray-suppressant mud 
flaps on all axles except the steering axle. In the event that the gross 
weights of the trailers vary by more than 20 percent, they shall be 
coupled according to their gross weights with the heavier trailer 
forward. A minimum distance of 500 feet shall be maintained between 
double units and/or triple units except when overtaking and passing 
another vehicle. A double shall remain in the right-hand, outside lane 
except when passing or when emergency or work-zone conditions exist. 
When, in the opinion of the OTC, the weather conditions are such that 
operation of a double is inadvisable, the OTC will notify the permittee 
that travel is prohibited for a certain period of time.
    Class A and B explosives; Class A poisons; and Class 1, 2, and 3 
radioactive material cannot be transported in double trailer 
combinations. Other hazardous materials may be transported in one 
trailer of a double. The hazardous materials should be placed in the 
front trailer unless doing so will result in the second trailer weighing 
more than the first trailer.
    ACCESS: Tandem trailer units shall not leave the Turnpike right-of-
way and shall be

[[Page 302]]

assembled and disassembled only in designated areas located at Exits 4, 
7, 10, 11, 13, 14, and 16.

                                 Routes
------------------------------------------------------------------------
                                         From                 To
------------------------------------------------------------------------
I-76 Ohio Turnpike..............  Turnpike Exit 15..  Pennsylvania.
I-80 Ohio Turnpike..............  Turnpike Exit 8A..  Turnpike Exit 15.
I-80/90 Ohio Turnpike...........  Indiana...........  Turnpike Exit 8A.
------------------------------------------------------------------------

    LEGAL CITATIONS: Statutory authority, as contained in Chapter 5537 
of the Ohio Revised Code, to regulate the dimensions and weights of 
vehicles using the Turnpike.

                               STATE: OHIO

          COMBINATION: Truck tractor and 3 trailing units--LCV

               LENGTH OF THE CARGO-CARRYING UNITS: 95 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 115,000 pounds

    OPERATIONAL CONDITIONS: Same as the OH-TT2 combination, except as 
follows:
    WEIGHT: Gross weight for triples with an overall length greater than 
90 feet but not over 105 feet in length = 115,000 pounds.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement, be over 26 years of age, in good health, and 
shall have not less than 5 years of experience driving double trailer 
combination units. Such driving experience shall include experience 
throughout the four seasons. Each driver must have special training on 
triple combinations to be provided by the Permittee.
    VEHICLE: Triple trailer combination vehicles are allowed to operate 
on the Turnpike provided the combination vehicle is at least 90 feet 
long but less than 105 feet long and each trailer is not more than 28.5 
feet in length. The minimum number of axles on the triple shall be seven 
and the maximum is nine.
    PERMIT: A triple trailer permit to operate on the Turnpike is 
required for triple trailer combinations in excess of 90 feet in length. 
There is an annual fee for the permit. Class A and B explosives; Class A 
poisons; and Class 1, 2, and 3 radioactive material cannot be 
transported in triple trailer combinations. Other hazardous materials 
may be transported in two trailers of a triple. The hazardous materials 
should be placed in the front two trailers unless doing so will result 
in the third trailer weighing more than either one of the lead trailers.
    ACCESS: With two exceptions, triple trailer units shall not leave 
the Turnpike right-of-way and shall be assembled and disassembled only 
in designated areas located at Exits 4, 7, 10, 11, 13, 14, and 16. The 
first exception is that triple trailer combinations are allowed on State 
Route 21 from I-80 Exit 11 (Ohio Turnpike) to a terminal located 
approximately 500 feet to the north in the town of Richfield. The second 
exception is for a segment of State Route 7 from Ohio Turnpike Exit 16 
to 1 mile south.

                                 Routes
------------------------------------------------------------------------
                                         From                 To
------------------------------------------------------------------------
I-76 Ohio Turnpike..............  Turnpike Exit 15..  Pennsylvania.
I-80 Ohio Turnpike..............  Turnpike Exit 8A..  Turnpike Exit 15.
I-80/90 Ohio Turnpike...........  Indiana...........  Turnpike Exit 8A.
OH-7............................  Turnpike Exit 16..  Extending 1 mile
                                                       south.
------------------------------------------------------------------------

    LEGAL CITATIONS: Same as the OH-TT2 combination.

                             STATE: OKLAHOMA

          COMBINATION: Truck tractor and 2 trailing units--LCV

              LENGTH OF THE CARGO-CARRYING UNITS: 110 feet

              MAXIMUM ALLOWABLE GROSS WEIGHT: 90,000 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: Single axle = 20,000 pounds; tandem axle = 34,000 pounds; 
gross vehicle weight = 90,000 pounds. The total weight on any group of 
two or more consecutive axles shall not exceed the amounts shown in 
Table 1.

                                  Table 1--Oklahoma Allowable Axle Group Weight
----------------------------------------------------------------------------------------------------------------
                                                                           Maximum load (lbs) by axle group
                         Axle Spacing (ft)                          --------------------------------------------
                                                                     2 Axles  3 Axles  4 Axles  5 Axles  6 Axles
----------------------------------------------------------------------------------------------------------------
 4.................................................................   34,000  .......  .......  .......  .......
 5.................................................................   34,000  .......  .......  .......  .......
 6.................................................................   34,000  .......  .......  .......  .......
 7.................................................................   34,000  .......  .......  .......  .......
 8.................................................................   34,000   42,000  .......  .......  .......
 9.................................................................   39,000   42,500  .......  .......  .......
10.................................................................   40,000   43,500  .......  .......  .......
11.................................................................  .......   44,000  .......  .......  .......
12.................................................................  .......   45,000   50,000  .......  .......
13.................................................................  .......   45,500   50,500  .......  .......
14.................................................................  .......   46,500   51,500  .......  .......
15.................................................................  .......   47,000   52,000  .......  .......
16.................................................................  .......   48,000   52,500   58,000  .......
17.................................................................  .......   48,500   53,500   58,500  .......
18.................................................................  .......   49,500   54,000   59,000  .......
19.................................................................  .......   50,000   54,500   60,000  .......
20.................................................................  .......   51,000   55,500   60,500   66,000
21.................................................................  .......   51,500   56,000   61,000   66,500
22.................................................................  .......   52,500   56,500   61,500   67,000
23.................................................................  .......   53,000   57,500   62,500   68,000
24.................................................................  .......   54,000   58,000   63,000   68,500
25.................................................................  .......   54,500   58,500   63,500   69,000
26.................................................................  .......   56,000   59,500   64,000   69,500
27.................................................................  .......   57,500   60,000   65,000   70,000

[[Page 303]]


28.................................................................  .......   59,000   60,500   65,500   71,000
29.................................................................  .......   60,500   61,500   66,000   71,500
30.................................................................  .......   62,000   62,000   66,500   72,000
31.................................................................  .......   63,500   63,500   67,000   72,500
32.................................................................  .......   64,000   64,000   68,000   73,500
33.................................................................  .......  .......   64,500   68,500   74,000
34.................................................................  .......  .......   65,000   69,000   74,500
35.................................................................  .......  .......   66,000   70,000   75,000
36.................................................................  .......  .......   68,000   70,500   75,500
37.................................................................  .......  .......   68,000   71,000   76,000
38.................................................................  .......  .......   69,000   72,000   77,000
39.................................................................  .......  .......   70,000   72,500   77,500
40.................................................................  .......  .......   71,000   73,000   78,000
41.................................................................  .......  .......   72,000   73,500   78,500
42.................................................................  .......  .......   73,000   74,000   79,000
43.................................................................  .......  .......   73,280   75,000   80,000
44.................................................................  .......  .......   73,280   75,500   80,500
45.................................................................  .......  .......   73,280   76,000   81,000
46.................................................................  .......  .......   73,280   76,500   81,500
47.................................................................  .......  .......   73,500   77,500   82,000
48.................................................................  .......  .......   74,000   78,000   82,000
49.................................................................  .......  .......   74,500   78,500   83,500
50.................................................................  .......  .......   75,500   79,000   84,000
51.................................................................  .......  .......   76,000   80,000   84,500
52.................................................................  .......  .......   76,500   80,500   85,000
53.................................................................  .......  .......   77,500   81,000   86,000
54.................................................................  .......  .......   78,000   81,500   86,500
55.................................................................  .......  .......   78,500   82,500   87,000
56.................................................................  .......  .......   79,500   83,000   87,500
57.................................................................  .......  .......   80,000   83,500   88,000
58.................................................................  .......  .......  .......   84,000   89,000
59.................................................................  .......  .......  .......   85,000   89,500
60.................................................................  .......  .......  .......   85,500   90,000
----------------------------------------------------------------------------------------------------------------

    DRIVER: All drivers must have a commercial driver's license with the 
appropriate endorsement and must meet the requirements of the Federal 
Motor Carrier Safety Regulations (49 CFR parts 390-397). State 
requirements more stringent and not in conflict with Federal 
requirements take precedence.
    VEHICLE: All vehicles must meet the requirements of applicable 
Federal and State statutes, rules, and regulations. Vehicles and load 
shall not exceed 102 inches in width on the Interstate System and four-
lane divided highways. Maximum semitrailer length is 53 feet.

    Multiple trailer combinations must be stable at all times during 
braking and normal operation. A multiple trailer combination when 
traveling on a level, smooth, paved surface must follow in the path of 
the towing vehicle without shifting or swerving more than 3 inches to 
either side when the towing vehicle is moving in a straight line. 
Heavier trailers are to be placed to the front in multiple trailer 
combinations.
    PERMIT: An annual special authorization permit is required for 
tandem trailer vehicles operating on the Interstate System having a 
gross weight of more than 80,000 pounds. A fee is charged for the 
special authorization permit.
    ACCESS: Access is allowed from legally available routes (listed 
below) to service facilities and terminals within a 5-mile radius. 
Access is also authorized on two-lane roadways which connect multi-lane 
divided highways when such connection does not exceed 15 miles.
    ROUTES: Doubles with 29-foot trailers may use any route on the NN. 
Doubles with at least one trailer or semitrailer over 29 feet in length 
are limited to the Interstate and other multi-lane divided highways 
listed below.

------------------------------------------------------------------------
                                From                       To
------------------------------------------------------------------------
I-35................  Texas...................  Kansas.
I-40................  Texas...................  Arkansas.
I-44................  Texas...................  Missouri.
I-235...............  Entire length in
                       Oklahoma City.
I-240...............  Entire length in
                       Oklahoma City.
I-244...............  Entire length in Tulsa..
I-444...............  Entire length in Tulsa..
I-40 Bus............  I-40 Exit 119...........  US 81 El Reno.
US 60...............  I-35 Exit 214...........  US 177 Ponca City.
US 62...............  US 69 Muskogee..........  OK 80 Ft. Gibson.
US 62...............  I-44 Exit 39A Lawton....  OK 115 Cache.
US 64...............  Cimarron Turnpike.......  I-244 Tulsa.
US 64...............  I-35 Exit 186 Perry.....  US 77 Perry.
US 64...............  I-40 Exit 325 Roland....  Arkansas.
US 69...............  Texas...................  I-44 (Will Rogers Tpk.)
                                                 Exit 282.
US 70...............  OK 76 Wilson............  I-35 Exits 31A-B
                                                 Ardmore.
US 75...............  I-40 Exits 240A-B         I-244 Exit 2 Tulsa.
                       Henryetta.
US 75...............  I-44 Exits 6A-B Tulsa...  Dewey.
US 77...............  I-35 Exit 141 Edmond....  3.5 mi. W of I-35.
US 81...............  I-44 (Bailey Tpk.) Exit   South Intersection OK 7
                       80.                       Duncan.
US 81...............  OK 51 Hennessey.........  11.5 mi. N of US 412.
US 169..............  OK 51 Tulsa.............  OK 20 Collinsville.
US 270..............  Indian Nation Tpk. Exit   US 69 McAlester.
                       4.
US 270..............  OK 9 Tecumseh...........  I-40 Exit 181.
US 271..............  Texas...................  Indian Nation Tpk. Hugo.
US 412..............  I-44 Exit 241 Catoosa...  US 69.
US 412..............  OK 58 Ringwood..........  I-35 Exits 194A-B.
US 412..............  US 69 Chouteau..........  OK 412 B.

[[Page 304]]


OK 3................  I-44 Exit 123...........  Oklahoma/Canadian County
                                                 Line.
OK 3A...............  OK 3 Oklahoma City......  I-44 Exit 125B Oklahoma
                                                 City.
OK 7................  I-44 Exits 36A-B........  OK 65 Pumpkin Center.
OK 7................  I-35 Exit 55............  US 177 Sulphur.
OK 7................  South intersection US 81  7.5 mi. E of US 81.
                       Duncan.
OK 9................  I-35 Exit 108A..........  US 77 Norman.
OK 11...............  I-35 Exit 222...........  US 177 Blackwell.
OK 11...............  US 75 Tulsa.............  I-244 Exit 12B.
OK 33...............  US 77 Guthrie...........  I-35 Exit 157 Guthrie.
OK 51...............  I-35 Exit 174...........  US 177 Stillwater.
OK 51...............  I-44 Exit 231 Tulsa.....  Muskogee Tpk. Broken
                                                 Arrow.
OK 165..............  Connecting two sections
                       of the Muskogee
                       Turnpike at Muskogee.
OK 165..............  US 64/Bus. US 64          Muskogee Tpk.
                       Muskogee.
Cimarron Tpk........  I-35 Exit 194...........  US 64.
Cimarron Tpk Conn...  US 177 Stillwater.......  Cimarron Tpk.
Indian Nation         US 70/271 Hugo..........  I-40 Exits 240A-B
 Turnpike.                                       Henryetta.
Muskogee Tpk........  OK 51 Broken Arrow......  US 62/OK 165 Muskogee.
Muskogee Tpk........  OK 165 Muskogee.........  I-40 Exit 286 Webber's
                                                 Falls.
------------------------------------------------------------------------

                            LEGAL CITATIONS:

Title 47 1981 O.S. 14-101
Title 47 1990 O.S. 14-103, -109, and -116
DPS Size and Weight Permit Manual 595:30.

                             STATE: OKLAHOMA

          COMBINATION: Truck tractor and 3 trailing units--LCV

               LENGTH OF THE CARGO-CARRYING UNITS: 95 feet

              MAXIMUM ALLOWABLE GROSS WEIGHT: 90,000 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT and ACCESS: Same as the OK-TT2 combination.
    DRIVER: Same as the OK-TT2 combination except that in addition, a 
driver of a three trailing unit combination must have had at least 2 
years of experience driving tractor-trailer combinations.
    VEHICLE: All vehicles must meet the requirements of applicable 
Federal and State statutes, rules, and regulations. Vehicle and load 
shall not exceed 102 inches in width on the Interstate System and other 
four-lane divided highways. Maximum unit length of triple trailers is 29 
feet. Truck tractors pulling triple trailers must have sufficient 
horsepower to maintain a minimum speed of 40 miles per hour on the level 
and 20 miles per hour on grades under normal operation conditions. 
Heavy-duty fifth wheels, pick-up plates equal in strength to the fifth 
wheel, solid kingpins, no-slack hitch connections, mud flaps and splash 
guards, and full-width axles are required on triple trailer 
combinations. All braking systems must comply with State and Federal 
requirements.
    Multiple trailer combinations must be stable at all times during 
braking and normal operation. A multiple trailer combination when 
traveling on a level, smooth paved surface must follow in the path of 
the towing vehicle without shifting or swerving more than 3 inches to 
either side when the towing vehicle is moving in a straight line. 
Heavier trailers are to be placed to the front in multiple trailer 
combinations.
    PERMIT: An annual special combination permit is required for the 
operation of triple-trailer combinations on the Interstate System and 
other four-lane divided primary highways. This permit also authorizes 
such combinations to exceed 80,000 pounds on the Interstate System.
    The permit holder must certify that the driver of a triple-trailer 
combination is qualified. Operators of triple-trailer combinations must 
maintain a 500-foot following distance and must drive in the right lane, 
except when passing or in an emergency.
    Speed shall be reduced and extreme caution exercised when operating 
triple-trailer combinations under hazardous conditions, such as those 
caused by snow, wind, ice, sleet, fog, mist, rain, dust, or smoke. When 
conditions become sufficiently dangerous, as determined by the company 
or driver, operations shall be discontinued and shall not resume until 
the vehicle can be safely operated. The State may restrict or prohibit 
operations during periods when, in the State's judgment, traffic, 
weather, or other safety conditions make such operations unsafe or 
inadvisable.
    Class A and B explosives; Class A poisons; Class 1, 2, and 3 
radioactive material; and any other material deemed to be unduly 
hazardous by the U.S. Department of Transportation cannot be transported 
in triple-trailer combinations.
    A fee is charged for the annual special authorization permit.
    ROUTES: Same as the OK-TT2 combination.

[[Page 305]]

                            LEGAL CITATIONS:

Title 47 1981 O.S. 14-101
Title 47 1990 O.S. 14-109, -116, -121
DPS Size and Weight Permit Manual 595:30.

                              STATE: OREGON

          COMBINATION: Truck tractor and 2 trailing units--LCV

               LENGTH OF THE CARGO-CARRYING UNITS: 68 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 105,500 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: Maximum allowable weights are as follows: single wheel--
10,000 pounds, single axle--20,000 pounds, tandem axle--34,000 pounds. 
Gross vehicle weights over 80,000 pounds must follow the Oregon extended 
weight table, with a maximum of 105,500 pounds. Weight is also limited 
to 600 pounds per inch of tire width.

                          EXTENDED WEIGHT TABLE

    Gross weights over 80,000 pounds are authorized only when operating 
under the authority of a Special Transportation Permit.

                        MAXIMUM ALLOWABLE WEIGHTS

    1. The maximum allowable weights for single axles and tandem axles 
shall not exceed those specified under ORS 818.010.
    2. The maximum allowable weight for groups of axles spaced at 46 
feet or less apart shall not exceed those specified under ORS 818.010.
    3. The maximum weights for groups of axles spaced at 47 feet or more 
and the gross combined weight for any combination of vehicles shall not 
exceed those set forth in the following table:

------------------------------------------------------------------------
                                     Maximum gross weight in pounds on
                                 ---------------------------------------
      Axle spacing in feet                                        8 or
                                   5 Axles   6 Axles   7 Axles    More
                                                                  axles
------------------------------------------------------------------------
47..............................    77,500    81,000    81,000    81,000
48..............................    78,000    82,000    82,000    82,000
49..............................    78,500    83,000    83,000    83,000
50..............................    79,000    84,000    84,000    84,000
51..............................    80,000    84,500    85,000    85,000
52..............................    80,500    85,000    86,000    86,000
53..............................    81,000    86,000    87,000    87,000
54..............................    81,500    86,500    88,000    91,000
55..............................    82,500    87,000    89,000    92,000
56..............................    83,000    87,500    90,000    93,000
57..............................    83,500    88,000    91,000    94,000
58..............................    84,000    89,000    92,000    95,000
59..............................    85,000    89,500    93,000    96,000
60..............................    85,500    90,000    94,000    97,000
61..............................    86,000    90,500    95,000    98,000
62..............................    87,000    91,000    96,000    99,000
63..............................    87,500    92,000    97,000   100,000
64..............................    88,000    92,500    97,500   101,000
65..............................    88,500    93,000    98,000   102,000
66..............................    89,000    93,500    98,500   103,000
67..............................    90,000    94,000    99,000   104,000
68..............................    90,000    95,000    99,500   105,000
69..............................    90,000    95,500   100,000   105,500
70..............................    90,000    96,000   101,000   105,500
71..............................    90,000    96,500   101,500   105,000
72..............................    90,000    96,500   102,000   105,500
73..............................    90,000    96,500   102,500   105,500
74..............................    90,000    96,500   103,000   105,500
75..............................    90,000    96,500   104,000   105,500
76..............................    90,000    96,500   104,500   105,500
77..............................    90,000    96,500   105,000   105,500
78..............................    90,000    96,500   105,500   105,500
------------------------------------------------------------------------

    Distance measured to nearest foot; when exactly one-half foot, take 
next larger number.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: For a combination which includes a truck tractor and two 
trailing units, the lead trailing unit (semitrailer) may be up to 40 
feet long. The second trailing unit may be up to 35 feet long. However, 
the primary control is the total cargo-carrying distance which has a 
maximum length of 68 feet. Any towed vehicles in a combination must be 
equipped with safety chains or cables to prevent the towbar from 
dropping to the ground in the event the coupling fails. The chains or 
cables must have sufficient strength to control the towed vehicle in the 
event the coupling device fails and must be attached with no more slack 
than necessary to permit proper turning. However, this requirement does 
not apply to a fifth-wheel coupling if the upper and lower halves of the 
fifth wheel must be manually released before they can be separated.
    PERMIT: A permit is required for operation if the gross combination 
weight exceeds 80,000 pounds. A fee is charged. Permitted movements must 
have the lighter trailing unit placed to the rear, and use splash and 
spray devices when operating in rainy weather. Movement is not allowed 
when road surfaces are hazardous due to ice or snow, or when other 
atmospheric conditions make travel unsafe.
    ACCESS: As allowed by the Oregon DOT.
    ROUTES: All NN routes.
    LEGAL CITATIONS: ORS 810.010, ORS 810.030 through 810.060, and ORS 
818.010 through 818.235.

[[Page 306]]

                              STATE: OREGON

          COMBINATION: Truck tractor and 3 trailing units--LCV

               LENGTH OF THE CARGO-CARRYING UNITS: 96 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 105,500 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT, DRIVER, PERMIT, and ACCESS: Same as the OR-TT2 combination.
    VEHICLE: Trailing units must be of equal length. The overall length 
of the combination is limited to 105 feet. Any towed vehicles in a 
combination must be equipped with safety chains or cables to prevent the 
towbar from dropping to the ground in the event the coupling fails. The 
chains or cables must have sufficient strength to control the towed 
vehicle in the event the coupling device fails and must be attached with 
no more slack than necessary to permit proper turning. However, this 
requirement does not apply to a fifth-wheel coupling if the upper and 
lower halves of the fifth wheel must be manually released before they 
can be separated.
    ROUTES: The following NN routes are also open to truck tractor and 
three trailing unit combinations.

------------------------------------------------------------------------
                                         From                 To
------------------------------------------------------------------------
I-5.............................  California........  Washington.
I-105...........................  Entire length in
                                   the Eugene-
                                   Springfield area.
I-205...........................  Jct. I-5..........  Washington.
I-405...........................  Entire length in
                                   Portland.
I-82............................  Washington........  Jct. I-84.
I-84............................  Jct. I-5..........  Idaho.
US 20...........................  Jct OR 22/OR 126    US 26 Vale.
                                   Santiam Junction.
US 20...........................  East Jct OR 99E     I-5 Exit 233.
                                   Albany.
US 26...........................  US 101 Cannon       OR 126 Prineville.
                                   Beach Junction.
US 20/26........................  Vale..............  Idaho.
US 30...........................  US 101 Astoria....  I-405 Exit 3
                                                       Portland.
US 95...........................  Nevada............  Idaho.
SPUR US 95......................  OR 201............  Idaho.
US 97...........................  California........  Washington.
US 101..........................  US 30 Astoria.....  US 26 Cannon Beach
                                                       Jct.
US 101..........................  OR 18 Otis........  US 20 Newport.
US 101..........................  Bandon............  North city limit
                                                       Coos Bay.
US 197..........................  I-84 Exit 87 The    Washington.
                                   Dalles.
US 395..........................  I-82 Exit 1         I-84 Exit 188
                                   Umatilla.           Stanfield.
US 395..........................  US 26 John Day....  OR 140 Lakeview.
US 730..........................  I-84 Exit 168.....  Washington.
OR 6............................  US 101 Tillamook..  US 26 near Banks.
OR 8............................  OR 47 Forest Grove  OR 217 Beaverton.
OR 11...........................  Washington........  Mission Cutoff
                                                       near Pendleton.
OR 18...........................  US 101 Otis.......  OR 99W Dayton.
OR 19...........................  I-84 Exit 137.....  South 2.5 miles.
OR 22...........................  OR 18 near          OR 99E Salem.
                                   Willamena.
OR 22...........................  I-5 Exit 253......  Jct US 20/OR 126
                                                       Santiam Jct.
OR 31...........................  US 97 La Pine.....  US 395 Valley
                                                       Falls.
OR 34...........................  Jct US 20/OR 99W    I-5 Exit 228.
                                   Corvallis.
OR 35...........................  I-84 Exit 64......  Mt. Hood Hood
                                                       River.
OR 39...........................  OR 140 East of      California.
                                   Klamath Falls.
OR 58...........................  I-5 Exit 188        US 97 near
                                   Goshen.             Chemult.
OR 62...........................  OR 99 Medford.....  OR 140 White City.
OR 78...........................  Jct US 20/ US 395   US 95 Burns
                                   Burns.              Junction.
OR 99...........................  I-5 Exit 58 Grants  I-5 Exit 48 Rogue
                                   Pass.               River.
OR 99...........................  I-5 Exit 192        Jct OR 99E/ OR 99W
                                   Eugene.             Junction City.
OR 99E..........................  I-5 Exit 307        I-205 Exit 9
                                   Portland.           Oregon City.
OR 99E..........................  I-5 Exit 233        Tangent.
                                   Albany.
OR 99E..........................  OR 228 Halsey.....  Harrisburg.
OR 99W..........................  Jct US 20/OR 34     I-5 Exit 294
                                   Corvallis.          Portland.
OR 126..........................  US 20 Sisters.....  US 26 Prineville.
OR 138..........................  I-5 Exit 136        East 2 miles.
                                   Sutherlin.
OR 140..........................  OR 62 White City..  Jct US 97/OR 66
                                                       Klamath Falls.
OR 201..........................  Jct US 20/US 26...  SPUR US 95 Cairo
                                                       Junction.
OR 207..........................  I-84 Exit 182.....  OR 74 Lexington.
OR 207/OR 74....................  Jct OR 207/OR 74    Jct OR 207/ OR 74/
                                   Lexington.          OR 206 Heppner.
OR 212..........................  I-205 Exit 12.....  US 26 Boring.
OR 214..........................  I-5 Exit 271        OR 99E Woodburn.
                                   Woodburn.
OR 217..........................  I-5 Exit 292        US 26 Beaverton.
                                   Tigard.
OR 224..........................  OR 99E Milwaukie..  I-205 Exit 13.
------------------------------------------------------------------------

    LEGAL CITATIONS: Same as the OR-TT2 combination.

[[Page 307]]

                              STATE: OREGON

                       COMBINATION: Truck-trailer

           LENGTH OF CARGO-CARRYING UNITS: 70 feet, 5 inches.

WEIGHT: This combination must operate in compliance with State laws and 
 regulations. Because it is not an LCV, it is not subject to the ISTEA 
                 freeze as it applies to maximum weight.

DRIVER, ACCESS, ROUTES, AND LEGAL CITATIONS: Same as OR-TT2 combination.

VEHICLE: The truck or trailer may be up to 40 feet long not to exceed 75 
  feet overall. The truck may have a built-in hoist to load cargo. Any 
 towed vehicle in a combination must be equipped with safety chains or 
 cables to prevent the towbar from dropping to the ground in the event 
 the coupling fails. The chains or cables must have sufficient strength 
to control the towed vehicle in the event the coupling device fails and 
  must be attached with no more slack than necessary to permit proper 
   turning. However, this requirement does not apply to a fifth-wheel 
   coupling if the upper and lower halves of the fifth wheel must be 
             manually released before they can be separated.

                 PERMIT: No overlength permit required.

                           STATE: SOUTH DAKOTA

          COMBINATION: Truck tractor and 2 trailing units--LCV

                LENGTH OF CARGO-CARRYING UNITS: 100 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 129,000 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: For all combinations, the maximum gross weight on two or 
more consecutive axles is limited by the Federal Bridge Formula but 
cannot exceed 129,000 pounds. The weight on single axles or tandem axles 
spaced 40 inches or less apart may not exceed 20,000 pounds. Tandem 
axles spaced more than 40 inches but 96 inches or less may not exceed 
34,000 pounds. Two consecutive sets of tandem axles may carry a gross 
load of 34,000 pounds each, provided the overall distance between the 
first and last axles of the tandems is 36 feet or more. The weight on 
the steering axle may not exceed 600 pounds per inch of tire width.
    For combinations with a cargo-carrying length greater than 81.5 feet 
the following additional regulations also apply. The weight on all axles 
(other than the steering axle) may not exceed 500 pounds per inch of 
tire width. Lift axles and belly axles are not considered load-carrying 
axles and will not count when determining allowable vehicle weight.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: For all combinations, a semitrailer or trailer may neither 
be longer than nor weigh 3,000 pounds more than the trailer located 
immediately in front of it. Towbars longer than 19 feet must be flagged 
during daylight hours and lighted at night.
    For combinations with a cargo-carrying length of 81.5 feet or less, 
neither trailer may exceed 45 feet, including load overhang. Vehicles 
may be 12 feet wide when hauling baled feed during daylight hours.
    For combinations with a cargo-carrying length over 81.5 feet long, 
neither trailer may exceed 48 feet, including load overhang. Loading the 
rear of the trailer heavier than the front is not allowed. All axles 
except the steering axle require dual tires. Axles spaced 8 feet or less 
apart must weigh within 500 pounds of each other. The trailer hitch 
offset may not exceed 6 feet. The maximum effective rear trailer 
overhang may not exceed 35 percent of the trailer's wheelbase. The power 
unit must have sufficient power to maintain 40 miles per hour. A ``LONG 
LOAD'' sign measuring 18 inches high by 7 feet long with black on yellow 
lettering 10 inches high is required on the rear. Offtracking is limited 
to 8.75 feet for a turning radius of 161 feet.

    Offtracking Formula = 161 - [161\2\ - (L1\2\ + 
L2\2\ + L3\2\ + L4\2\ + 
L5\2\ + L6\2\ + L7\2\ + 
L8\2\)]\1/2\
    Note: L1 through L8 are measurements between 
points of articulation or vehicle pivot points. Squared dimensions to 
stinger steer points of articulation are negative. For two trailing unit 
combinations where at least one trailer is 45 feet long or longer, all 
the dimensions used to calculate offtracking must be written in the 
``Permit Restriction'' area of the permit along with the offtracking 
value derived from the calculation.
    PERMIT: For combinations with a cargo-carrying length of 81.5 feet 
or less, a single-trip permit is required for movement on the Interstate 
System if the gross vehicle weight exceeds 80,000 pounds. An annual or 
single-trip permit is required for hauling baled feed over 102 inches 
wide.
    For combinations with a cargo-carrying length greater than 81.5 
feet, a single-trip permit is required for all movements. Operations 
must be discontinued when roads are slippery due to moisture, visibility 
must be good, and wind conditions must not cause trailer whip or sway.
    For all combinations, a fee is charged for any permit.
    ACCESS: For combinations with a cargo-carrying length of 81.5 feet 
or less, access is Statewide off the NN unless restricted by the South 
Dakota DOT.

[[Page 308]]

    For combinations with a cargo-carrying length greater than 81.5 
feet, access to operating routes must be approved by the South Dakota 
DOT.
    ROUTES: Combinations with a cargo-carrying length of 81.5 feet or 
less may use all NN routes. Combinations with a cargo-carrying length 
over 81.5 feet, are restricted to the Interstate System and:

------------------------------------------------------------------------
                                         From                 To
------------------------------------------------------------------------
US 14...........................  W. Jct. US 14       So. Jct. US 14 and
                                   Bypass and US 14    US 281.
                                   Brookings.
Bypass US 14....................  I-29 Exit 133       W. Jct. US 14
                                   Brookings.          Bypass and US 14
                                                       Brookings.
US 85...........................  I-90 Exit 10        North Dakota.
                                   Spearfish.
US 281..........................  I-90 Exit 310.....  So. Jct. US 14 and
                                                       US 281.
US 281..........................  8th Ave. Aberdeen.  North Dakota.
SD 50...........................  Burleigh Street     I-29 Exit 26.
                                   Yankton.
------------------------------------------------------------------------

    LEGAL CITATIONS: SDCL 32-22-8.1, -38, -39, -41, -42, and -52; and 
Administrative Rules 70:03:01:37, :47, :48, and :60 through :70.

                           STATE: SOUTH DAKOTA

          COMBINATION: Truck tractor and 3 trailing units--LCV

                LENGTH OF CARGO-CARRYING UNITS: 100 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 129,000 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT, DRIVER, PERMIT, and ACCESS: Same as the SD-TT2 combination.
    VEHICLE: Same as the SD-TT2 combination, except trailer lengths are 
limited to 28.5 feet, including load overhang, and the overall length 
cannot exceed 110 feet, including load overhang.
    ROUTES: Same as the SD-TT2 combination with a cargo-carrying length 
over 81.5 feet.
    LEGAL CITATIONS: SDCL 32-22-14.14, -38, -39, -42, and -52; and 
Administrative Rules 70:03:01:60 through :70.

                           STATE: SOUTH DAKOTA

                       COMBINATION: Truck-Trailer

                 LENGTH OF CARGO-CARRYING UNITS: 73 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER, and PERMIT: Same as the SD-TT2 combination.
    VEHICLE: Same as the SD-TT2 combination except that in addition, the 
overall length including load overhang is limited to 80 feet. Trailer 
length is not limited.
    ACCESS: Same as the access provisions for the SD-TT2 combination 
with a cargo-carrying length of 81.5 feet or less.
    ROUTES: Same as the route provisions for the SD-TT2 combination with 
a cargo-carrying length of 81.5 feet or less.
    LEGAL CITATIONS: SDCL 32-22-8.1, -38, -39, -41, -42, and -52; and 
Administrative Rules 70:03:01:37, :47, and :48.

                           STATE: SOUTH DAKOTA

                       COMBINATION: Truck-Trailer

                 LENGTH OF CARGO-CARRYING UNITS: 78 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER, and PERMIT: Same as the SD-TT2 combination.
    VEHICLE: Same as the SD-TT2 combination with a cargo-carrying length 
over 81.5 feet, except that in addition, the overall length is limited 
to 85 feet.
    ACCESS: Same as the access provisions for the SD-TT2 combination 
with a cargo-carrying length greater than 81.5 feet.
    ROUTES: Same as the route provisions for the SD-TT2 combination with 
a cargo-carrying length greater than 81.5 feet.
    LEGAL CITATIONS: SDCL 32-22-38, -39, -42, and -52; and 
Administrative Rules 70:03:01:60 through :70.

                               STATE: UTAH

          COMBINATION: Truck tractor and 2 trailing units--LCV

               LENGTH OF THE CARGO-CARRYING UNITS: 95 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 129,000 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: Weight limits are as follows:
Single axle: 20,000 pounds
Tandem axle: 34,000 pounds
Gross weight: 129,000 pounds
Vehicles must comply with the Federal Bridge Formula
    Tire loading on vehicles requiring an overweight or oversize permit 
shall not exceed 500 pounds per inch of tire width for tires 11 inches 
wide and greater, and 450 pounds per inch of tire width for tires less 
than 11 inches

[[Page 309]]

wide as designated by the tire manufacturer on the side wall of the 
tire. Tire loading on vehicles not requiring an overweight or oversize 
permit shall not exceed 600 pounds per inch of tire width as designated 
by the tire manufacturer on the sidewall.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement. Carriers must certify that their drivers have a 
safe driving record and have passed a road test administered by a 
qualified safety supervisor.
    VEHICLE: While in transit, no trailer shall be positioned ahead of 
another trailer which carries an appreciably heavier load. An empty 
trailer shall not precede a loaded trailer. Vehicles shall be powered to 
operate on level terrain at speeds compatible with other traffic. They 
must be able to maintain a minimum speed of 20 miles per hour under 
normal operating conditions on any grade of 5 percent or less over which 
the combination is operated and be able to resume a speed of 20 miles 
per hour after stopping on any such grade, except in extreme weather 
conditions.
    Oversize signs are required on vehicles in excess of 75 feet in 
length on two-lane highways.
    A heavy-duty fifth wheel is required. All fifth wheels must be clean 
and lubricated with a light-duty grease prior to each trip. The fifth 
wheel must be located in a position which provides adequate stability. 
Pick-up plates must be of equal strength to the fifth wheel. The kingpin 
must be of a solid type and permanently fastened. Screw-out or folding-
type kingpins are prohibited.
    All hitch connections must be of a no-slack type, preferably a 
power-actuated ram. Air-actuated hitches which are isolated from the 
primary air transmission system are recommended.
    The drawbar length should be the practical minimum consistent with 
the clearances required between trailers for turning and backing 
maneuvers.
    Axles must be those designed for the width of the body.
    All braking systems must comply with State and Federal requirements. 
In addition, fast air transmission and release valves must be provided 
on all semitrailer and converter-dolly axles. A brake force limiting 
valve, sometimes called a ``slippery road'' valve, may be provided on 
the steering axle. Anti-sail type mud flaps are recommended.
    The use of single tires on any combination vehicle requiring an 
overweight or oversize permit shall not be allowed on single axles. A 
single axle is defined as one having more than 8 feet between it and the 
nearest axle or group of axles on the vehicle.
    When traveling on a level, smooth paved surface, the trailing units 
must follow in the path of the towing vehicle without shifting or 
swerving more than 3 inches to either side when the towing vehicle is 
moving in a straight line. Each combination shall maintain a minimum 
distance of 500 feet from another commercial vehicle traveling in the 
same direction on the same highway. Loads shall be securely fastened to 
the transporter with material and devices of sufficient strength to 
prevent the load from becoming loose, detached, dangerously displaced, 
or in any manner a hazard to other highway users. The components of the 
load shall be reinforced or bound securely in advance of travel to 
prevent debris from being blown off the unit and endangering the safety 
of the traveling public. Any debris from the special permit vehicle 
deposited on the highway shall be removed by the permittee.
    Bodily injury and property damage insurance is required before a 
special Transportation Permit will be issued.
    In the event any claim arises against the State of Utah, Utah 
Department of Transportation, Utah Highway Patrol, or their employees 
from the operation granted under the permit, the permittee shall agree 
to indemnify and hold harmless each of them from such claim.
    PERMIT: Permits must be purchased. The Utah DOT Motor Carrier Safety 
Division will, on submission of an LCV permit request, assign an 
investigator to perform an audit on the carrier, which must have an 
established safety program that is in compliance with the Federal Motor 
Carrier Safety Regulations (49 CFR parts 387-399), the Federal Hazardous 
Materials Regulations (49 CFR parts 171-178), and a ``Satisfactory'' 
safety rating. The request must show a travel plan for the operation of 
the vehicles. Permits are subject to Highway Patrol supervision and 
permitted vehicles may be subject to temporary delays or removed from 
the highways when necessary during hazardous road, weather, or traffic 
conditions. The permit will be cancelled without refund if violated. 
Expiration dates cannot be extended except for reasons beyond the 
control of the permittee, including adverse weather. Permits are void if 
defaced, modified, or obliterated. Lost or destroyed permits cannot be 
duplicated and are not transferable.
    ACCESS: Routes approved by the Utah DOT plus local delivery 
destination travel on two-lane roads.
    ROUTES: For combinations with a cargo-carrying length of 85 feet or 
less, all NN routes. Combinations with a cargo-carrying length over 85 
feet are restricted to the following NN routes:

------------------------------------------------------------------------
                               From                        To
------------------------------------------------------------------------
I-15...............  Arizona.................  Idaho.
I-70...............  Jct. I-15...............  Colorado.
I-80...............  Nevada..................  Wyoming.
I-84...............  Idaho...................  Jct. I-80.
I-215..............  Entire length in the
                      Salt Lake City area.

[[Page 310]]


UT-201.............  I-80 Exit 102 Lake Point  300 West Street, Salt
                      Jct.                      Lake City.
------------------------------------------------------------------------

                            LEGAL CITATIONS:

Utah Code 27-12-154 and -155; Utah Administrative Code, Section R-909-1.

                               STATE: UTAH

          COMBINATION: Truck tractor and 3 trailing units--LCV

               LENGTH OF THE CARGO-CARRYING UNITS: 95 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 129,000 pounds

    OPERATIONAL CONDITIONS: Same as the UT-TT2 combination.
    ROUTES: Same as the UT-TT2 combination with a cargo-carrying length 
greater than 85 feet.
    LEGAL CITATIONS: Same as the UT-TT2 combination.

                               STATE: UTAH

                       COMBINATION: Truck-trailer

               LENGTH OF THE CARGO-CARRYING UNITS: 88 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER, VEHICLE, PERMIT, and ACCESS: Same as the UT-TT2 combination.
ROUTES:
    1. Truck-trailer combinations hauling bulk gasoline or LP gas: 
cargo-carrying length less than or equal to 78 feet, all NN routes; 
cargo-carrying lengths over 78 feet up to and including 88 feet, same as 
UT-TT2 with cargo-carrying length over 85 feet.
    2. All other truck-trailer combinations: cargo-carrying length less 
than or equal to 70 feet, all NN routes; cargo-carrying lengths over 70 
feet up to and including 78 feet, same as UT-TT2 with cargo-carrying 
length over 85 feet.
    LEGAL CITATIONS: Same as the UT-TT2 combination.

                               STATE: UTAH

                   COMBINATION: Truck-trailer-trailer

               LENGTH OF THE CARGO-CARRYING UNITS: 88 feet

   OPERATIONAL CONDITIONS: Same as the Utah truck-trailer combination.

    ROUTES: Same as the UT-TT2.
    LEGAL CITATIONS: Same as the UT-TT2 combination.

                               STATE: UTAH

                   COMBINATION: Automobile transporter

              LENGTH OF THE CARGO-CARRYING UNITS: 105 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT, DRIVER, PERMIT, and ACCESS: Same as the Utah truck-trailer 
combination.
    VEHICLE: The cargo-carrying length of automobile transporters that 
carry vehicles on the power unit is the same as the overall length.
    ROUTES: For automobile transporters with a cargo-carrying length of 
92 feet or less, all NN routes. Automobile transporters with a cargo-
carrying length over 92 feet up to and including 105 feet, same as UT-
TT2 with cargo-carrying length over 85 feet.
    LEGAL CITATIONS: Same as the UT-TT2 combination.

                            STATE: WASHINGTON

          COMBINATION: Truck tractor and 2 trailing units--LCV

               LENGTH OF THE CARGO-CARRYING UNITS: 68 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 105,500 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: Single axle limit=20,000 pounds; tandem axle limit=34,000 
pounds; gross weight must comply with the Federal Bridge Formula.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: Operating conditions are the same for permitted doubles as 
for STAA of 1982 doubles.
    PERMIT: Combinations with a cargo-carrying length over 60 feet in 
length but not exceeding 68 feet must obtain an annual overlength permit 
to operate. A fee is charged.
    ACCESS: All State routes except SR 410 and SR 123 in or adjacent to 
Mt. Rainier National Park. In addition, restrictions may be imposed by 
local governments having maintenance responsibilities for local 
highways.
    ROUTES: All NN routes except SR 410 and SR 123 in the vicinity of 
Mt. Rainier National Park.
    LEGAL CITATIONS:
RCW 46.37, 46.44.030, .037(3), .041, and .0941.

[[Page 311]]

                            STATE: WASHINGTON

                       COMBINATION: Truck-trailer

               LENGTH OF THE CARGO-CARRYING UNITS: 68 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER, PERMIT, and ACCESS: Same as the WA-TT2 combination.
    VEHICLE: Overall length limited to 75 feet.
    ROUTES: Same as the WA-TT2 combination.
    LEGAL CITATIONS: Same as the WA-TT2 combination.

                             STATE: WYOMING

          COMBINATION: Truck tractor and 2 trailing units--LCV

               LENGTH OF THE CARGO-CARRYING UNITS: 81 feet

             MAXIMUM ALLOWABLE GROSS WEIGHT: 117,000 pounds

                         OPERATIONAL CONDITIONS:

    WEIGHT: No single axle shall carry a load in excess of 20,000 
pounds. No tandem axle shall carry a load in excess of 36,000 pounds. No 
triple axle, consisting of three consecutive load-bearing axles that 
articulate from an attachment to the vehicle including a connecting 
mechanism to equalize the load between axles having a spacing between 
the first and third axle of at least 96 inches and not more than 108 
inches, shall carry a load in excess of 42,500 pounds. No vehicles 
operated on the Interstate System shall exceed the maximum weight 
allowed by application of Federal Bridge Weight Formula B.
    No wheel shall carry a load in excess of 10,000 pounds. No tire on a 
steering axle shall carry a load in excess of 750 pounds per inch of 
tire width and no other tire on a vehicle shall carry a load in excess 
of 600 pounds per inch of tire width. ``Tire width'' means the width 
stamped on the tire by the manufacturer.
    Dummy axles may not be considered in the determination of allowable 
weights.
    DRIVER: The driver must have a commercial driver's license with the 
appropriate endorsement.
    VEHICLE: The lead semitrailer can be up to 48 feet long with the 
trailing unit up to 40 feet long. In a truck tractor-semitrailer-trailer 
combination, the heavier towed vehicle shall be directly behind the 
truck-tractor and the lighter towed vehicle shall be last if the weight 
difference between consecutive towed vehicles exceeds 5,000 pounds.
    PERMITS: No permits required.
    ACCESS: Unlimited access off the NN to terminals.
    ROUTES: All NN routes.
    LEGAL CITATIONS:
WS 31-5-1001, -1002, -1004, -1008, and WS 31-17-1-1 through 31-17-117.

                             STATE: WYOMING

                       COMBINATION: Truck-trailer

               LENGTH OF THE CARGO-CARRYING UNITS: 78 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER, PERMIT, and ACCESS: Same as the WY-TT2 combination.
    VEHICLE: No single vehicle shall exceed 60 feet in length within an 
overall limit of 85 feet.
    ROUTES: Same as the WY-TT2 combination.
    LEGAL CITATIONS:
WS 31-5-1002

                             STATE: WYOMING

                COMBINATION: Automobile/Boat Transporter

                 LENGTH OF CARGO CARRYING UNITS: 85 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER, PERMIT, and ACCESS: Same as the WY-TT2 combination.
    VEHICLE: The cargo-carrying length of automobile transporters that 
carry vehicles on the power unit is the same as the overall length. No 
single vehicle shall exceed 60 feet in length within an overall limit of 
85 feet.
    ROUTES: Same as the WY-TT2 combination.
    LEGAL CITATIONS: Same as the WY-TT2 combination.

                             STATE: WYOMING

                  COMBINATION: Saddlemount Combination

                 LENGTH OF CARGO CARRYING UNITS: 85 feet

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.

[[Page 312]]

    DRIVER, PERMIT, and ACCESS: Same as the WY-TT2 combination.
    VEHICLE: The cargo-carrying length of saddlemount combinations that 
carry vehicles on the power unit is the same as the overall length. No 
single vehicle shall exceed 60 feet in length within an overall limit of 
85 feet.
    No more than three saddlemounts may be used in any combination, 
except additional vehicles may be transported when safely loaded upon 
the frame of a vehicle in a properly assembled saddlemount combination.
    Towed vehicles in a triple saddlemount combination shall have brakes 
acting on all wheels which are in contact with the roadway.
    All applicable State and Federal rules on coupling devices shall be 
observed and complied with.
    ROUTES: Same as the WY-TT2 combination.
    LEGAL CITATIONS: Same as the WY-TT2 combination.

[59 FR 30422, June 13, 1994, as amended at 60 FR 15215, Mar. 22, 1995; 
60 FR 16571, Mar. 31, 1995; 62 FR 10181, Mar. 5, 1997; 63 FR 70653, Dec. 
22, 1998]

    Effective Date Note: At 67 FR 15110, Mar. 29, 2002, Appendix C to 
part 658 was amended by revising the entry for the State of Michigan in 
the table entitled ``Vehicle Combinations Subject to Pub. L. 102-240'' 
and by adding a listing for the State of Michigan for a truck-trailer 
combination vehicle after the existing listing for truck tractor, 
effective Apr. 29, 2002. For the convenience of the user, the revised 
and added text is set forth as follows:

  Appendix C to Part 658--Trucks Over 80,000 Pounds on the Interstate 
       System and Trucks Over STAA Lengths on the National Network

                                * * * * *

             Vehicle Combinations Subject to Pub. L. 102-240
------------------------------------------------------------------------
                                  1  Truck         2  Truck
            State              tractor and 2    tractor and 3   3  Other
                               trailing units   trailing units
------------------------------------------------------------------------
Michigan....................  58' 164K.......  NO.............       63'
------------------------------------------------------------------------

                                * * * * *

                             STATE: MICHIGAN

                       COMBINATION: Truck-trailer

               LENGTH OF THE CARGO-CARRYING UNITS: 63 feet

                         OPERATIONAL CONDITIONS:

    WEIGHT: This combination must operate in compliance with State laws 
and regulations. Because it is not an LCV, it is not subject to the 
ISTEA freeze as it applies to maximum weight.
    DRIVER: The driver must have a commercial driver's license with 
appropriate endorsement.
    VEHICLE: The overall length of this combination is limited to 70 
feet. The only cargo that may be carried is saw logs, pulpwood, and tree 
length poles.
    PERMIT: None required.
    ACCESS: All NN routes.
    ROUTES: All NN routes.
    LEGAL CITATIONS: Michigan Public Act 300, section 257.719.

                                * * * * *

 Appendix D to Part 658--Devices That Are Excluded From Measurement of 
            the Length or Width of a Commercial Motor Vehicle

    The following devices are excluded from measurement of the length or 
width of a commercial motor vehicle, as long as they do not carry 
property and do not exceed the dimensional limitations included in 
Sec. 658.16. This list is not exhaustive.
    1. All devices at the front of a semitrailer or trailer including, 
but not limited to, the following:
    (a) A device at the front of a trailer chassis to secure containers 
and prevent movement in transit;
    (b) A front coupler device on a semitrailer or trailer used in road 
and rail intermodal operations;
    (c) Aerodynamic devices, air deflector;
    (d) Air compressor;
    (e) Certificate holder (manifest box);
    (f) Door vent hardware;
    (g) Electrical connector;
    (h) Gladhand;
    (i) Handhold;
    (j) Hazardous materials placards and holders;
    (k) Heater;
    (l) Ladder;
    (m) Non-load carrying tie-down devices on automobile transporters;
    (n) Pickup plate lip;
    (o) Pump offline on tank trailer;
    (p) Refrigeration unit;

[[Page 313]]

    (q) Removable bulkhead;
    (r) Removable stakes;
    (s) Stabilizing jack (anti-nosedive device);
    (t) Stake pockets;
    (u) Step;
    (v) Tarp basket;
    (w) Tire carrier; and
    (x) Uppercoupler.
    2. Devices excluded from length measurement at the rear of a 
semitrailer or trailer including, but not limited to, the following:
    (a) Handhold;
    (b) Hazardous materials placards and holders;
    (c) Ladder;
    (d) Pintle hook;
    (e) Removable stakes;
    (f) Splash and spray suppression device;
    (g) Stake pockets; and
    (h) Step.
    3. Devices excluded from width determination, not to exceed 3 inches 
from the side of the vehicle including, but not limited to, the 
following:
    (a) Corner caps;
    (b) Hazardous materials placards and holders;
    (c) Lift pads for trailer on flatcar (piggyback) operation;
    (d) Rain gutters;
    (e) Rear and side door hinges and their protective hardware;
    (f) Side marker lamps;
    (g) Structural reinforcement for side doors or intermodal operation 
(limited to 1 inch from the side within the 3 inch maximum extension);
    (h) Tarping systems for open-top trailers;
    (i) Movable devices to enclose the cargo area of flatbed 
semitrailers or trailers, usually called tarping systems, where no 
component part of the system extends more than 3 inches from the sides 
or back of the vehicle when the vehicle is in operation. This exclusion 
applies to all component parts of tarping systems, including the 
transverse structure at the front of the vehicle to which the sliding 
walls and roof of the tarp mechanism are attached, provided the 
structure is not also intended or designed to comply with 49 CFR 
393.106, which requires a headerboard strong enough to prevent cargo 
from penetrating or crushing the cab; the transverse structure may be up 
to 108 inches wide if properly centered so that neither side extends 
more than 3 inches beyond the structural edge of the vehicle. Also 
excluded from measurement are side rails running the length of the 
vehicle and rear doors, provided the only function of the latter, like 
that of the transverse structure at the front of the vehicle, is to seal 
the cargo area and anchor the sliding walls and roof. On the other hand, 
a headerboard designed to comply with 49 CFR 393.106 is load bearing and 
thus limited to 102 inches in width. However, the ``wings'' designed to 
close the gap between such a headerboard and the movable walls and roof 
of a tarping system are width exclusive, provided they are add-on pieces 
designed to bear only the load of the tarping system itself and are not 
integral parts of the load-bearing headerboard structure;
    (j) Tie-down assembly on platform trailers;
    (k) Wall variation from true flat; and
    (l) Weevil pins and sockets on low-bed trailers.

[67 FR 15110, Mar. 29, 2002]

    Effective Date Note: At 67 FR 15110, Mar. 29, 2002, appendix D was 
added to part 658, effective Apr. 29, 2002.