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I-270 East - Exit 30 and 31
I-270 East - Exit 30 and 31

I-270 east at Exit 30 - MO-AC/New Halls Ferry Road/Old Halls Ferry Road. Approaching Exit 31 - MO-367/Alton IL/Saint Louis.

Taken 03-27-2026

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Nearby Signs
Shield Inside Sign Overhead Big Green Sign Interchange Freeway Junction
I-270 (Saint Louis) MO-367 MO-AC (Saint Louis County) Florissant St. Louis County Missouri United States
I-270 (Saint Louis) Exit 26B
Exit 30
Current Location
I-270 (Saint Louis) Exit 31