Highway Signs

I-255 South - Exit 20

I-255 South - Exit 20

I-255 south approaching Exit 20 - I-64/US-50/Saint Louis (MO)/Louisville (KY).

Taken 03-27-2026

Shield Inside Sign Big Green Sign Interchange Freeway Junction

I-64

I-255 (Saint Louis)

US-50

Collinsville St. Clair County Illinois United States

I-255 (Saint Louis)

US-50

I-64/I-255 Interchange
Current Location

I-255 (Saint Louis)

I-55/I-70/I-255 Interchange

US-50

I-64