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


Skip to content U.S. Department of Transportation/Federal Highway AdministrationU.S. Department of Transportation/Federal Highway Administration

Highway History

The Dwight D. Eisenhower System of Interstate and Defense Highways

This map shows the Dwight D. Eisenhower National System of Interstate and Defense Highways authorized by the Federal-Aid Highway Act of 1956, as amended
Updated: 05/14/2015
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000