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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.

United States Numbered Highway System in Illinois
U.S. Route 6 marker U.S. Route 45 marker U.S. Route 150 marker
Standard Illinois U.S. Highway markers
System information
Maintained by IDOT and ISTHA
FormedNovember 11, 1926 (1926-11-11)[1]
Highway names
InterstatesInterstate X (I-X)
US HighwaysU.S. Route X (US X)
StateIllinois Route X (IL X)
System links

Contents

Mainline highwaysEdit

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 01932-01-011932 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 01928-01-011928 current
  US 14 69.55 111.93 US 14 near Harvard US 41 in Chicago 01933-01-011933 current Ronald Reagan Highway / Northwest Highway
  US 20 233.93 376.47 US 20 in East Dubuque US 12/US 20/US 41 in Chicago 01926-01-011926 current Ulysses S. Grant Memorial Highway
  US 24 255.13 410.59 US 24 in Quincy US 24/US 52 in Sheldon 01926-01-011926 current
  US 30 153.79 247.50 US 30 in Fulton US 30 in Lynwood 01926-01-011926 current
  US 32 US 6 at Moline US 41 in Chicago 01926-01-011926 01934-01-011934 Now US 6 and US 34
  US 34 211.37 340.17 US 34 in Gladstone IL 43 in Berwyn 01926-01-011926 current Walter Payton Memorial Highway
  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 01926-01-011926 current
  US 41 64.81 104.30 US 12/US 20/US 41 in Chicago I-94/US 41 near Russell 01926-01-011926 current Brian Piccolo Memorial Highway
  US 45 428.99 690.39 US 45 near Brookport US 45 near Antioch 01926-01-011926 current
  US 50 165.79 266.81 I-255/US 50 in Columbia US 50 in Lawrenceville 01926-01-011926 current
  US 51 415.95 669.41 US 51/US 60/US 62 at Cairo US 51 in South Beloit 01926-01-011926 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/US 36 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 01971-01-011971 01982-01-011982 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 66 301 484 US 66 at East St. Louis US 41 in Chicago 01926-01-011926 01979-01-011979 Will Rogers Highway
  US 67 213.99 344.38 US 67 in Alton US 67 in Rock Island 01926-01-011926 current
  US 124 80 129 01926-01-011926 01938-01-011938
  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 01971-01-011971 01982-01-011982 Concurrent with US 61
  US 330 01926-01-011926 01942-01-011942 Replaced by IL 38
  US 430 01926-01-011926 01934-01-011934 Replaced by IL 31
  US 460 01947-01-011947 01974-01-011974
  •       Former

Special routesEdit

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
 
  US 12 City
01938-01-011938 01960-01-011960 Served Chicago
 
  US 12 Bus.
01960-01-011960 01968-01-011968 Served Chicago
 
  US 20 Bus.
Served Freeport
 
  US 20 Bus.
Served Rockford
 
  US 20 Bus.
01962-01-011962 01984-01-011984 Served Elgin
 
  US 20 Bus.
01938-01-011938 01968-01-011968 Served Chicago; Formerly designated as City US Route 20
 
  US 30 City
01959-01-011959 01960-01-011960 Served Aurora
 
  US 30 Bus.
01960-01-011960 01970-01-011970 Served Aurora; Formerly designated as City US Route 30
 
  US 30 Alt.
01942-01-011942 01971-01-011971 Served Chicago; Formerly designated as US Route 330
 
  US 40 Alt.
Served Vandalia-Greenville
 
  US 40 Byp.
Chain of Rocks Bridge US 40 in Troy Served the Greater St. Louis Area
 
  US 50 Byp.
Served the Greater St. Louis Area. Replaced by I-255 as well as mainline US 50.
 
  US 50 Bus.
Served Lawrenceville
 
  US 51 Bus.
Served Elwin-Decatur
 
  US 51 Bus.
Served Clinton
 
  US 51 Bus.
Served Bloomington-Normal
 
  US 51 Bus.
Served LaSalle, Illinois
 
  US 54 Bus.
6 10 01963-01-011963 01967-01-011967 Served Kankakee
 
  US 66 Byp.
Chain of Rocks Bridge US 66/IL 140 in Hamel 01957-01-011957 Served the Greater St. Louis Area
 
  US 66 City
01957-01-011957 Served the Greater St. Louis Area
 
  US 66 Bus.
Served East St. Louis
 
  US 66 Bus.
Served Springfield
 
  US 66 Bus.
Served Lincoln
 
  US 66 Bus.
Served Bloomington
 
  US 66 Alt.
40 64 Served Joliet
 
  US 67 Alt.
01965-01-011965
 
  US 67 Alt.
Served the Greater St. Louis Area
  •       Former

See alsoEdit

ReferencesEdit

  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. Archived from the original on August 10, 2007. Retrieved November 8, 2007.

External linksEdit