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Interstates by State

This list breaks down the Interstate-Guide by states (and the District of Columbia) and includes current, former, future, and unsigned routes. Include is the total Interstate mileage for each state, district, commonwealth.

Page Updated August 20, 2014.

 
 
Interstate 80 westbound at U.S. 83 in Nebraska. Photo taken 09/05/05.
Nebraska was the first state to complete its Interstate system. Find more Interstate facts on the All About Interstates page.
 
Crossing the Columbia River on Interstate 5 north. Photo taken 08/27/06.
This bridge is one of a handful of draw bridges on the Interstate system. Find more Interstate facts on the All About Interstates page.
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