Illinois Route 177
IL 177 highlighted in red | ||||
| Route information | ||||
| Maintained by IDOT | ||||
| Length | 47.59 mi (76.59 km) | |||
| Existed | 1924–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).