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

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Image File Name:
il_16_aasho_64_491.jpg


Year:
1964

State:
IL

Inter 1:
Illinois

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AASHO Road Test Illinois - Traffic over Test Bridge.

AASHO Road Test Illinois - Traffic over Test Bridge.


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Updated: 10/22/2013
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000