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


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Highway History

Designating the Urban Interstates

National System of Interstate and defense Highways

Routes to be added to The National System of Interstate and Defense Highways
Routes to be added to The National System of Interstate and Defense Highways

(Return to Report)

Updated: 10/09/2013
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000