Route information | ||||
---|---|---|---|---|
Maintained by IDOT | ||||
Length | 32.08 mi[1] (51.63 km) | |||
Existed | 1936[2]–present | |||
Major junctions | ||||
South end | IL 104 in Chambersburg | |||
US 24 in Mt. Sterling | ||||
North end | IL 101 in Huntsville | |||
Location | ||||
Country | United States | |||
State | Illinois | |||
Counties | Pike, Brown, Schuyler | |||
Highway system | ||||
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Illinois Route 99 is a north–south state route in western Illinois. It runs from Illinois Route 104 across the Illinois River and Meredosia, north to Illinois Route 101 in Brooklyn (Schuyler County). This is a distance of 32.08 miles (51.63 km).[1]