CountyLocationmikmDestinationsNotes
Monroe0.000.00

I-255 west / US 50 west – Mehlville
Missouri state line

IL 3 south
Southern end of IL 3 concurrency
St. Clair
IL 3 north – Cahokia
Northern end of IL 3 concurrency
IL 157
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I-64 west / I-255 north
Northern end of I–255 concurrency; western end of I–64 concurrency
Fairview Heights IL 157
IL 159
O'Fallon
I-64 east – Mt. Vernon
Eastern end of I–64 concurrency
Lebanon
IL 4 south – Mascoutah
Southern end of IL 4 concurrency

IL 4 north
Northern end of IL 4 concurrency
ClintonTrenton IL 160
Carlyle
IL 127 north
Northern end of IL 127 concurrency

IL 127 south
Southern end of IL 127 concurrency
MarionSandoval US 51 – Centralia, Vandalia
Salem I-55 – Mt. Vernon, Effingham
IL 37 – Mt. Vernon, Effingham
ClayFlora
US 45 north – Effingham
Western end of US 45 concurrency

US 45 south – Fairfield
Eastern end of US 45 concurrency
Richland
IL 250 east
Western terminus of IL 250
Olney IL 130

IL 250 west
Western end of IL 250 concurrency
Lawrence
IL 250 east
Eastern end of IL 250 concurrency
Lawrenceville

US 50 Bus. east
Western terminus of US 50 BUS
IL 1 – Lawrenceville, Marshall


US 50 Bus. west
Eastern terminus of US 50 BUS

IL 33 north
Southern terminus of IL 33

US 50 east
Indiana state line
1.000 mi = 1.609 km; 1.000 km = 0.621 mi