Illinois Route 75
| Freeport Road | ||||
IL 75 highlighted in red | ||||
| Route information | ||||
| Maintained by IDOT | ||||
| Length | 41.64 mi (67.01 km) | |||
| Existed | 1924–present | |||
| Major junctions | ||||
| West end | IL 26 in Freeport | |||
| US 20 in Freeport US 51 / IL 251 in South Beloit I-39 / I-90 / US 51 in South Beloit | ||||
| East end | WIS 67 in South Beloit | |||
| Location | ||||
| Country | United States | |||
| State | Illinois | |||
| Counties | Stephenson, Winnebago | |||
| Highway system | ||||
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Illinois Route 75 (IL 75) is an east–west state highway in north-central Illinois. It runs from downtown Freeport at Illinois Route 26 to WIS 67 at the Wisconsin state line southeast of Beloit, Wisconsin. This is a distance of 41.64 miles (67.01 km).