Illinois Route 157
IL 157 highlighted in red | ||||
| Route information | ||||
| Maintained by IDOT | ||||
| Length | 35.50 mi (57.13 km) | |||
| Existed | 1926–present | |||
| Major junctions | ||||
| South end | IL 3 in Cahokia | |||
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| North end | IL 140 in Hamel | |||
| Location | ||||
| Country | United States | |||
| State | Illinois | |||
| Counties | St. Clair, Madison | |||
| Highway system | ||||
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Illinois Route 157 (IL 157) is a 35.50-mile-long (57.13 km) north–south state highway in the southwestern part of the U.S. state of Illinois. The southern terminus of the highway is at an intersection with IL 3 in Cahokia. The northern terminus of the highway is at an intersection with IL 140 in Hamel.