U.S. Route 12 in Illinois

U.S. Route 12
U.S. Route 12
Iron Brigade Memorial Highway
	US 12 highlighted in red
Route information
	Maintained by IDOT and CDOT
Length	85.14 mi (137.02 km)
Existed	1928–present
Major junctions
West end	US 12 near Richmond
	US 14 / US 45 in Des Plaines; I-190 in Chicago; US 20 in Stone Park; ; I-290 / IL 110 (CKC) in Westchester; US 34 in La Grange; I-55 in Hodgkins; US 45 in Hickory Hills; ; I-294 Toll in Bridgeview; I-94 in Chicago; US 41 in Chicago;
East end	US 12 / US 20 / US 41 in Chicago
Location
Country	United States
State	Illinois
Counties	McHenry, Lake, Cook
Highway system
	United States Numbered Highway System; List; Special; Divided; Illinois State Highway System; Interstate; US; State; Tollways; Scenic;

U.S. Route 12 (US 12) in the U.S. state of Illinois is an arterial highway that runs northwest to southeast through the Chicago metropolitan area. It enters Illinois at the Wisconsin border north of Richmond, and exits into Hammond, Indiana, from Chicago near the foot of the onramp to the Indiana Toll Road (Interstate 90, or I-90); as it exits Illinois, the route is also concurrent with US 20 and US 41. Within Illinois, US 12 runs for a distance of 85.14 miles (137.02 km).^[1]

^ ^a ^b Illinois Technology Transfer Center (2007). "T2 GIS Data". Illinois Department of Transportation. Retrieved November 8, 2007.
^ Carlson, Rich (March 15, 2005). "Routes 1 thru 20". Illinois Highways Page. Retrieved June 4, 2006.^{[self-published source]}

[t2-1] Illinois Technology Transfer Center (2007). "T2 GIS Data". Illinois Department of Transportation. Retrieved November 8, 2007.

[n9jig-2] Carlson, Rich (March 15, 2005). "Routes 1 thru 20". Illinois Highways Page. Retrieved June 4, 2006.^{[self-published source]}

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