List of U.S. Highways in Illinois

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
Standard Illinois U.S. Highway markers
System information
Maintained by IDOT, ISTHA, and CDOT
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

Mainline highways

Number Length (mi)[2] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 6 179.88289.49 I-74/US 6 in MolineI-80/I-94/US 6 in Lansing 01932-01-011932current Grand Army of the Republic Highway
US 12 85.14137.02 US 12 near RichmondUS 12/US 20/US 41 in Chicago 01928-01-011928current
US 14 69.55111.93 US 14 near HarvardUS 41 in Chicago 01933-01-011933current Ronald Reagan Highway / Northwest Highway
US 20 233.93376.47 US 20 in East DubuqueUS 12/US 20/US 41 in Chicago 01926-01-011926current Ulysses S. Grant Memorial Highway
US 24 255.13410.59 US 24 in QuincyUS 24/US 52 in Sheldon 01926-01-011926current
US 30 153.79247.50 US 30 in FultonUS 30 in Lynwood 01926-01-011926current
US 32 US 6 at MolineUS 41 in Chicago 01926-01-01192601934-01-011934 Now US 6 and US 34
US 34 211.37340.17 US 34 in GladstoneIL 43 in Berwyn 01926-01-011926current Walter Payton Memorial Highway
US 36 216.47348.37 I-72/US 36/Route 110 in HullUS 36 in Chrisman
US 40 159.99257.48 I-55/I-64/US 40 in East St. LouisI-70/US 40 near Marshall 01926-01-011926current
US 41 64.81104.30 US 12/US 20/US 41 in ChicagoI-94/US 41 near Russell 01926-01-011926current Brian Piccolo Memorial Highway
US 45 428.99690.39 US 45 near BrookportUS 45 near Antioch 01926-01-011926current
US 50 165.79266.81 I-255/US 50 in ColumbiaUS 50 in Lawrenceville 01926-01-011926current
US 51 415.95669.41 US 51/US 60/US 62 at CairoUS 51 in South Beloit 01926-01-011926current
US 52 216348 US 52/Iowa 64 in SavannaUS 24/US 52 in Sheldon
US 54 23.9638.56 US 54 near PittsfieldI-72/US 36 near Pittsfield
US 60 0.921.48 US 60/US 62 at CairoUS 51/US 60/US 62 at Cairo Concurrent with US 62
US 61 2.423.89 US 61/US 151 at East DubuqueUS 61/US 151 at East Dubuque 01971-01-01197101982-01-011982 Concurrent with US 151
US 62 0.921.48 US 60/US 62 at CairoUS 51/US 60/US 62 at Cairo Concurrent with US 60
US 66 301484 US 66 at East St. LouisUS 41 in Chicago 01926-01-01192601974-01-011974 Will Rogers Highway
US 67 213.99344.38 US 67 in AltonUS 67 in Rock Island 01926-01-011926current
US 124 80129 01926-01-01192601938-01-011938
US 136 225.95363.63 US 136 at HamiltonUS 136 at Danville
US 150 267.47430.45 US 6 at MolineUS 150 at Danville
US 151 2.423.89 US 61/US 151 at East DubuqueUS 61/US 151 at East Dubuque 01971-01-01197101982-01-011982 Concurrent with US 61
US 330 01926-01-01192601942-01-011942 Replaced by IL 38
US 430 01926-01-01192601934-01-011934 Replaced by IL 31
US 460 01947-01-01194701974-01-011974
  •       Former

Special routes

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

US 12 City
01938-01-01193801960-01-011960 Served Chicago

US 12 Bus.
01960-01-01196001968-01-011968 Served Chicago

US 20 Bus.
01988-01-011988current Served Freeport

US 20 Bus.
Served Rockford

US 20 Bus.
01962-01-01196201984-01-011984 Served Elgin

US 20 Bus.
01938-01-01193801968-01-011968 Served Chicago; Formerly designated as City US Route 20

US 30 City
01959-01-01195901960-01-011960 Served Aurora

US 30 Bus.
01960-01-01196001970-01-011970 Served Aurora; Formerly designated as City US Route 30

US 30 Alt.
01942-01-01194201971-01-011971 Served Chicago; Formerly designated as US Route 330

US 40 Alt.
01948-01-01194801967-01-011967 Served Greenville-Vandalia

US 40 Byp.
Chain of Rocks BridgeUS 40 in Troy 01938-01-01193801965-01-011965 Served the Greater St. Louis Area

US 50 Byp.
01955-01-01195501975-01-011975 Served the Greater St. Louis Area. Replaced by I-255 as well as mainline US 50.

US 50 Bus.
01962-01-011962current 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.
610 01959-01-01195901969-01-011969 Served Kankakee

US 66 Byp.
Chain of Rocks BridgeUS 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.
4064 Served Joliet

US 67 Alt.
01953-01-01195301965-01-011965

US 67 Alt.
01939-01-01193901964-01-011964 Served the Greater St. Louis Area
  •       Former

See also

  •  Illinois portal
  •  U.S. Roads portal

References

  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.
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