[Code of Federal Regulations]
[Title 49, Volume 4]
[Revised as of October 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR221.14]

[Page 249]
 
                        TITLE 49--TRANSPORTATION
 
       CHAPTER II--FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF 
                             TRANSPORTATION
 
PART 221--REAR END MARKING DEVICE--PASSENGER, COMMUTER AND FREIGHT TRAINS--Table of Contents
 
                       Subpart B--Marking Devices
 
Sec. 221.14  Marking devices.

    (a) As prescribed in Sec. 221.13, passenger, commuter and freight 
trains shall be equipped with at least one marking device, which has 
been approved by the Federal Railroad Adminstrator in accordance with 
the procedures included in appendix A of this part, and which has the 
following characteristics:
    (1) An intensity of not less than 100 candela nor more than 1000 
candela (or an effective intensity of not less than 100 candela nor more 
than 1000 candela for flashing lights) as measured at the center of the 
beam width;
    (2) A horizontal beam with a minimum arc width of fifteen (15) 
degrees each side of the vertical center line, and a vertical beam with 
a minimum arc width of five (5) degrees each side of the horizontal 
center line as defined in terms of the 50 candela intensity points;
    (3) A color defined by the red-orange-amber color range; and
    (4) If a flashing light is used, a flash rate of not less than once 
every 1.3 seconds nor more than once every .7 seconds.
    (b) Marking devices used on passenger and commuter trains in 
compliance with paragraph (a) of this section shall be lighted under the 
conditions prescribed in Sec. 221.13 (b) and (c).
    (c) When a locomotive is operated singly, or at the rear of a train, 
highly visible marking devices may be provided by the use of:
    (1) At least one marking device that complies with paragraph (a) of 
this section; or
    (2) At least one illuminated red or amber classification light on 
the rear of the locomotive, provided it complies with paragraph (a) of 
this section; or
    (3) The rear headlight of the locomotive illuminated on low beam.

[51 FR 25185, July 10, 1986]