Route information | ||||
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Maintained by IDOT | ||||
Length | 82.18 mi[1] (132.26 km) | |||
Existed | 1924[2]–present | |||
Major junctions | ||||
South end | Lake Drive in Centreville | |||
I-64 in Washington Park I-55 / I-70 / US 40 in Collinsville I-270 in Pontoon Beach US 67 / IL 3 in Alton US 67 / IL 267 in Godfrey | ||||
North end | IL 104 in Waverly | |||
Location | ||||
Country | United States | |||
State | Illinois | |||
Counties | St. Clair, Madison, Jersey, Macoupin, Morgan | |||
Highway system | ||||
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Illinois Route 111 (IL 111) is an 82.18-mile-long (132.26 km) north–south state highway in the southwestern part of the U.S. state of Illinois. It travels from Short Street (near Lake Drive and 1⁄4 mile (0.40 km) northwest of Interstate 255) in Centreville to IL 104 in Waverly.