Route information | ||||
---|---|---|---|---|
Maintained by IDOT | ||||
Length | 47.59 mi[1] (76.59 km) | |||
Existed | 1924[2]–present | |||
Major junctions | ||||
West end | IL 13 / IL 158 in Belleville | |||
I-64 in Okawville | ||||
East end | US 51 in Irvington | |||
Location | ||||
Country | United States | |||
State | Illinois | |||
Counties | St. Clair, Clinton, Washington | |||
Highway system | ||||
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Illinois Route 177 is an east–west state route in southern Illinois. It runs from Illinois Route 13 in Belleville to U.S. Route 51 in Irvington. This is a distance of 47.59 miles (76.59 km).[1]