U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000

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U.S. Department of Transportation/Federal Highway AdministrationU.S. Department of Transportation/Federal Highway Administration

Highway History

 

Designating the Urban Interstates

Interregional Highways

The recommended interregional system in relation to the location of principal metropolitan areas, as defined by the Bureau of the Census
The recommended interregional system in relation to the location of principal metropolitan areas, as defined by the Bureau of the Census

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Updated: 06/27/2017
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Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000