Route information | ||||
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Maintained by IDOT | ||||
Length | 35.04 mi[1] (56.39 km) Note: Some segments of IL 25 may be counted twice due to dual markings on one-way streets through municipalities. | |||
Existed | 1935[2]–present | |||
Major junctions | ||||
South end | US 34 in Oswego | |||
US 20 in Elgin I-90 Toll in Elgin | ||||
North end | IL 62 in Carpentersville | |||
Location | ||||
Country | United States | |||
State | Illinois | |||
Counties | Kendall, Kane, Cook | |||
Highway system | ||||
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Illinois Route 25 (IL 25) is a state route in northeast Illinois. It runs north from U.S. Route 34 in Oswego to Illinois Route 62 (Algonquin Road) in Algonquin. Illinois 25 is 35.04 miles (56.39 km) in length.[1]