Illinois Route 105

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Illinois Route 105 marker

Illinois Route 105
Route information
Maintained by IDOT
Length: 37.58 mi[2] (60.48 km)
Existed: 1945[1] – present
Major junctions
West end: IL 48 in Decatur
  US 36 / IL 121 in Decatur
East end: I-72 in Monticello
Counties: Macon, Piatt
Highway system
IL 104 IL 106

Illinois Route 105 (IL-105) is a highway in the U.S. state of Illinois. It is an east–west highway that runs from Illinois Route 48 in Decatur to Interstate 72 near Monticello. Illinois 105 is 37.58 miles (60.48 km) long.[2]

Route description[edit]

The state highway serves a corn-and-soybean-growing region in Macon County and Piatt County. Roads such as IL-105 carry corn and soybeans to the refineries of Decatur for the manufacture of commodities such as soybean oil and corn syrup.

Rural towns along Illinois Route 105 include Bement and Cerro Gordo. The highway also runs past the Bryant Cottage State Historic Site.


SBI Route 105 was what Illinois Route 104 is now from Meredosia to Quincy from 1924 thru 1937. In 1945, the number was reused on former Illinois Route 47 north of Decatur. This is the current routing for Illinois 105.[1]

External links[edit]


  1. ^ a b Carlson, Rich. Illinois Highways Page: Routes 101 thru 120. Last updated March 15, 2005. Retrieved April 28, 2006.
  2. ^ a b Illinois Technology Transfer Center (2006). "T2 GIS Data". Retrieved 2007-11-08.