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I-270 East - Exits 3A-B and 4
I-270 East - Exits 3A-B and 4

I-270 east at Exit 3A - IL-3 South/Great River Road/Granite City. Approaching Exit 3B - IL-3 North/Alton. Approaching Exit 4 - IL-203/Granite City.

Taken 03-27-2026

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Nearby Signs
Big Green Sign Shield Inside Sign Overhead Freeway Junction Interchange
I-270 (Saint Louis) IL-3 IL-203 Granite City Madison County Illinois United States
I-270 (Saint Louis) Missouri/Illinois State Line
IL-3 Exit 10
Exit 3
Current Location
I-270 (Saint Louis) Exit 4