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FHWA > Designating the Urban Interstates > Postwar Federal-aid projects on Interstate Highway

Designating the Urban Interstates

Postwar Federal-aid projects on Interstate Highway

The map illustrates how designation of the Interstate System has had the desired effect of centering official and public attention on these most important routes of the Nation
The map illustrates how designation of the Interstate System has had the desired effect of centering official and public attention on these most important routes of the Nation.

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Updated: 09/13/2012