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I-270 East - Illinois State Line
I-270 East - Illinois State Line

Illinois State Line on the Mississippi River bridge. Milemarker 0.0.

Taken 03-27-2026

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Nearby Signs
Big Green Sign Milemarker Welcome Sign State Boundary
I-270 (Saint Louis) Madison Madison County Illinois United States
I-270 (Saint Louis) Exit 33
Missouri/Illinois State Line
Current Location
I-270 (Saint Louis) Exit 3