Route information | ||||
---|---|---|---|---|
Maintained by IDOT | ||||
Length | 10.81 mi[1] (17.40 km) | |||
Existed | 1924[2]–present | |||
Major junctions | ||||
West end | Fort de Chartres State Historical Site in Prairie du Rocher | |||
East end | IL 3 in Ruma | |||
Location | ||||
Country | United States | |||
State | Illinois | |||
Counties | Randolph | |||
Highway system | ||||
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Illinois Route 155 is an east–west state highway in southwestern Illinois. It runs from Fort de Chartres – outside of Prairie du Rocher – to Illinois Route 3 in Ruma. This is a distance of approximately 10.81 miles (17.40 km).[1]