Route information | ||||
---|---|---|---|---|
Maintained by IDOT | ||||
Length | 125.91 mi[1] (202.63 km) | |||
Existed | 1924[2]–present | |||
Major junctions | ||||
West end | US 24 / IL 57 in Quincy | |||
I-172 / IL 110 (CKC) in Quincy US 67 / IL 100 in Meredosia US 67 in Jacksonville I-55 in Pawnee | ||||
East end | IL 29 in Taylorville | |||
Location | ||||
Country | United States | |||
State | Illinois | |||
Counties | Adams, Pike, Morgan, Sangamon, Christian | |||
Highway system | ||||
|
Illinois Route 104 is a state highway in central and western Illinois. It extends from Illinois Route 29 near Taylorville, west over the Illinois River at Meredosia to its western terminus in downtown Quincy. This is a distance of 125.91 miles (202.63 km).[1]