Route information | ||||
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Maintained by IDOT | ||||
Length | 20.31 mi[1] (32.69 km) | |||
Existed | March 1937[2]–present | |||
Major junctions | ||||
CCW end | IL 164 in Kirkwood | |||
US 67 in Alexis | ||||
CW end | Main Street in Alexis | |||
Location | ||||
Country | United States | |||
State | Illinois | |||
Counties | Warren, Mercer | |||
Highway system | ||||
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Illinois Route 135 (IL 135) is a 20.31-mile (32.69 km), L-shaped state road in Warren County, Illinois, United States, that runs from IL 164 west of Monmouth to Main Street in Alexis, at the base of the town's water tower.[1]