Illinois Route 156
IL 156 highlighted in red | ||||
| Route information | ||||
| Maintained by IDOT | ||||
| Length | 22.95 mi (36.93 km) | |||
| Existed | 1926–present | |||
| Major junctions | ||||
| West end | South Meyer Avenue / C Road in Valmeyer | |||
| East end | IL 13 in New Athens | |||
| Location | ||||
| Country | United States | |||
| State | Illinois | |||
| Counties | Monroe, St. Clair | |||
| Highway system | ||||
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Illinois Route 156 is an east–west state road in southwestern Illinois. It runs from South Meyer Avenue & C Road in Valmeyer to just west of New Athens. This is a distance of 22.95 miles (36.93 km).