[Code of Federal Regulations]
[Title 23, Volume 1]
[Revised as of April 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 23CFR500.103]

[Page 125]
 
                           TITLE 23--HIGHWAYS
 
 CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
 
PART 500_MANAGEMENT AND MONITORING SYSTEMS--Table of Contents
 
                      Subpart A_Management Systems
 
Sec. 500.103  Definitions.

    Unless otherwise specified in this part, the definitions in 23 
U.S.C. 101(a) are applicable to this part. As used in this part:
    Federal-aid highways means those highways eligible for assistance 
under title 23, U.S.C., except those functionally classified as local or 
rural minor collectors.
    Metropolitan planning organization (MPO) means the forum for 
cooperative transportation decision making for a metropolitan planning 
area.
    National Highway System (NHS) means the system of highways 
designated and approved in accordance with the provisions of 23 U.S.C. 
103(b).
    State means any one of the fifty States, the District of Columbia, 
or Puerto Rico.
    Transportation management area (TMA) means an urbanized area with a 
population over 200,000 (as determined by the latest decennial census) 
or other area when TMA designation is requested by the Governor and the 
MPO (or affected local officials), and officially designated by the 
Administrators of the FHWA and the FTA. The TMA designation applies to 
the entire metropolitan planning area(s).