Illinois Route 75 | ||||
|---|---|---|---|---|
| Freeport Road | ||||
IL 75 highlighted in red
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| Route information | ||||
| Maintained by IDOT | ||||
| Length | 41.64 mi[1] (67.01 km) | |||
| Existed | 1924[2]–present | |||
| Major junctions | ||||
| West end |  IL 26inFreeport | |||
| Major intersections |  US 20 in Freeport  US 51 / IL 251inSouth 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 FreeportatIllinois Route 26toWIS 67 at the Wisconsin state line southeast of Beloit, Wisconsin. This is a distance of 41.64 miles (67.01 km).[1]
Illinois 75 is the main route between Freeport and Beloit, and serves numerous rural areas along this alignment. It has two lanes and is an undivided surface street for its entire length, except at the interchange with U.S. Route 20 and the section east of Illinois Route 2.
SBI Route 75 originally ran from Freeport to Rockton. It was extended in 1960 along Illinois Route 2toU.S. Route 51inSouth Beloit.[2]
IL 75 was recently extended east past the former eastern terminus at I-39/I-90 (Jane Addams Tollway) to the Wisconsin state line and Wisconsin Highway 67.
| County | Location | mi[3] | km | Destinations | Notes |
|---|---|---|---|---|---|
| Stephenson | Freeport | 0.00 | 0.00 | IL 26 (North West Avenue) – Forreston, Cedarville | Western terminus of IL 75. |
| 0.5 | 0.80 |  US 20 Bus. (Galena Avenue) | |||
| 3.7 | 6.0 | US 20 (Freeport Bypass) – Eleroy, Rockford | |||
| Winnebago | Durand | 20.4 | 32.8 |  IL 70 (Center Road) – Rockford, Durand | |
| South Beloit | 36.1 | 58.1 |   IL 2 south – Rockford | Begin/end concurrency with IL 2. | |
| 38.4 | 61.8 |  IL 2 north (Blackhawk Boulevard) | Begin/end concurrency with IL 2. | ||
| 39.3 | 63.2 | US 51 north (Dearborn Avenue) / IL 251 south (North 2nd Street) – Roscoe | Begin/end concurrency with US 51; northern terminus of IL 251. | ||
| 40.6 | 65.3 | I-39 / I-90 / US 51 south – Chicago, Rockford, Madison | Begin/end concurrency with US 51; exit 1 (I-90). | ||
| 41.64 | 67.01 | WIS 67 north – Sharon | Eastern terminus of IL 75; Wisconsin state line. | ||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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