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Route 367

I-270 East - Exit 31

I-270 East - Exit 31

I-270 East approaching Exit 31 - MO-367/Alton IL/Saint Louis. Continue east on I-270 to Chicago, IL.

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.