Illinois Route 155
IL 155 highlighted in red | ||||
| Route information | ||||
| Maintained by IDOT | ||||
| Length | 10.81 mi (17.40 km) | |||
| Existed | 1924–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).