List of U.S. Highways in Illinois

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United States Numbered Highway System in Illinois
U.S. Route 20 markerU.S. Route 136 marker
Standard Illinois U.S. Highway markers
System information
Maintained by IDOT and ISTHA
Formed: November 11, 1926 (1926-11-11)[1]
Highway names
Interstates: Interstate X (I-X)
US Routes: U.S. Route X (US X)
State: Illinois Route X (IL X)
System links

This is a list of U.S. Highways in Illinois, all of which are owned and maintained by the U.S. state of Illinois. The Illinois Department of Transportation (IDOT) is responsible for maintaining the U.S Highways in Illinois. The system in Illinois consists of 21 primary highways.


Primary U.S. Highways[edit]

Number Length (mi)[2] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 6 179.88 289.49 I-74/US 6 in Moline I-80/I-94/US 6 in Lansing 1932 current Grand Army of the Republic Highway
US 12 85.14 137.02 US 12 near Richmond US 12/US 20/US 41 in Chicago 1928 current
US 14 69.55 111.93 US 14 near Harvard US 41 in Chicago Ronald Reagan Highway
US 20 233.93 376.47 US 20 in East Dubuque US 12/US 20/US 41 in Chicago 1926 current Ulysses S. Grant Memorial Highway
US 24 255.13 410.59 US 24 in Quincy US 24/US 52 in Sheldon 1926 current
US 30 153.79 247.50 US 30 in Fulton US 30 in Lynwood 1926 current
US 32 0 0
US 34 211.37 340.17 US 34 in Gladstone IL 43 in Berwyn 1926 current
US 36 216.47 348.37 I-72/US 36/Route 110 in Hull US 36 in Chrisman
US 40 159.99 257.48 I-55/I-64/US 40 in East St. Louis I-70/US 40 near Marshall 1926 current
US 41 64.81 104.30 US 12/US 20/US 41 in Chicago I-94/US 41 near Russell 1926 current Brian Piccolo Memorial Highway
US 45 428.99 690.39 US 45 near Brookport US 45 near Antioch 1926 current
US 50 165.79 266.81 I-255/US 50 in Columbia US 50 in Lawrenceville 1926 current
US 51 0 0 US 51/US 60/US 62 at Cairo US 51 in South Beloit 1926 current
US 52 216 348 US 52/Iowa 64 in Savanna US 24/US 52 in Sheldon
US 54 23.96 38.56 US 54 near Pittsfield I-72 near Pittsfield
US 60 0.92 1.48 US 60/US 62 at Cairo US 51/US 60/US 62 at Cairo Concurrent with US 62
US 61 2.42 3.89 US 61/US 151 at East Dubuque US 61/US 151 at East Dubuque 1971 1982 Concurrent with US 151
US 62 0.92 1.48 US 60/US 62 at Cairo US 51/US 60/US 62 at Cairo Concurrent with US 60
US 67 301 484 US 66 at East St. Louis US 41 in Chicago 1926 1979
US 67 213.99 344.38 US 67 in Alton US 67 in Rock Island 1926 current
US 124 80 130 1926 1938
US 136 225.95 363.63 US 136 at Hamilton US 136 at Danville
US 150 267.47 430.45 US 6 at Moline US 150 at Danville
US 151 2.42 3.89 US 61/US 151 at East Dubuque US 61/US 151 at East Dubuque 1971 1982 Concurrent with US 61
US 330 0 0 1926 1942
US 430 0 0 1926 1934
US 460 0 0 1947 1974
  •       Former

Auxiliary U.S. Highways[edit]

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes

US 66 Bus.
0 0 Served East St. Louis

US 66 Bus.
0 0 Served Springfield

US 66 Bus.
0 0 Served Lincoln

US 66 Bus.
0 0 Served Bloomington

US 66 Alt.
40 60 Served Joliet

US 67 Alt.
0 0 1965
  •       Former

See also[edit]

References[edit]

  1. ^ McNichol, Dan (2006). The Roads that Built America. New York: Sterling. p. 74. ISBN 1-4027-3468-9. 
  2. ^ Illinois Technology Transfer Center (2007). "T2 GIS Data". Illinois Department of Transportation. Retrieved November 8, 2007. 

External links[edit]