[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: 23CFR470.107]

[Page 120-121]
 
                           TITLE 23--HIGHWAYS
 
 CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
 
PART 470--HIGHWAY SYSTEMS--Table of Contents
 
                 Subpart A--Federal-aid Highway Systems
 
Sec. 470.107  Federal-aid highway systems.

    (a) Interstate System. (1) The Dwight D. Eisenhower National System 
of Interstate and Defense Highways (Interstate System) shall consist of 
routes of highest importance to the Nation, built to the uniform 
geometric and construction standards of 23 U.S.C. 109(h), which connect, 
as directly as practicable, the principal metropolitan areas, cities, 
and industrial centers, including important routes into,

[[Page 121]]

through, and around urban areas, serve the national defense and, to the 
greatest extent possible, connect at suitable border points with routes 
of continental importance in Canada and Mexico.
    (2) The portion of the Interstate System designated under 23 U.S.C. 
103 (e)(1), (e)(2), and (e)(3) shall not exceed 69,230 kilometers 
(43,000 miles). Additional Interstate System segments are permitted 
under the provisions of 23 U.S.C. 139 (a) and (c) and section 
1105(e)(5)(A) of the Intermodal Surface Transportation Efficiency Act of 
1991 (ISTEA), Pub. L. 102-240, 105 Stat. 1914, as amended.
    (b) National Highway System. (1) The National Highway System shall 
consist of interconnected urban and rural principal arterials and 
highways (including toll facilities) which serve major population 
centers, international border crossings, ports, airports, public 
transportation facilities, other intermodal transportation facilities 
and other major travel destinations; meet national defense requirements; 
and serve interstate and interregional travel. All routes on the 
Interstate System are a part of the National Highway System.
    (2) The National Highway System shall not exceed 286,983 kilometers 
(178,250 miles).
    (3) The National Highway System shall include the Strategic Highway 
Corridor Network (STRAHNET) and its highway connectors to major military 
installations, as designated by the Administrator in consultation with 
appropriate Federal agencies and the States. The STRAHNET includes 
highways which are important to the United States strategic defense 
policy and which provide defense access, continuity, and emergency 
capabilities for the movement of personnel, materials, and equipment in 
both peace time and war time.
    (4) The National Highway System shall include all high priority 
corridors identified in section 1105(c) of the ISTEA.