List of U.S. Highways in Illinois

United States Numbered Highway System in Illinois

U.S. Route 6 marker U.S. Route 20 marker U.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
Illinois State Highway System

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

This list is incomplete; you can help by expanding it.
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 1932current Grand Army of the Republic Highway
US 12 85.14137.02 US 12 near RichmondUS 12/US 20/US 41 in Chicago 1928current
US 14 69.55111.93 US 14 near HarvardUS 41 in Chicago 1933current Ronald Reagan Highway
US 20 233.93376.47 US 20 in East DubuqueUS 12/US 20/US 41 in Chicago 1926current Ulysses S. Grant Memorial Highway
US 24 255.13410.59 US 24 in QuincyUS 24/US 52 in Sheldon 1926current
US 30 153.79247.50 US 30 in FultonUS 30 in Lynwood 1926current
US 32 —— —— ——
US 34 211.37340.17 US 34 in GladstoneIL 43 in Berwyn 1926current
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 1926current
US 41 64.81104.30 US 12/US 20/US 41 in ChicagoI-94/US 41 near Russell 1926current Brian Piccolo Memorial Highway
US 45 428.99690.39 US 45 near BrookportUS 45 near Antioch 1926current
US 50 165.79266.81 I-255/US 50 in ColumbiaUS 50 in Lawrenceville 1926current
US 51 415.95669.41 US 51/US 60/US 62 at CairoUS 51 in South Beloit 1926current
US 52 216348 US 52/Iowa 64 in SavannaUS 24/US 52 in Sheldon ——
US 54 23.9638.56 US 54 near PittsfieldI-72 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 19711982 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 19261979
US 67 213.99344.38 US 67 in AltonUS 67 in Rock Island 1926current
US 124 80130 —— 19261938
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 19711982 Concurrent with US 61
US 330 —— —— 19261942
US 430 —— —— 19261934
US 460 —— —— 19471974
  •       Former

Auxiliary U.S. Highways

This list is incomplete; you can help by expanding it.
Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes

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.		 4060 —— —— Served Joliet

US 67 Alt.		 —— —— —1965
  •       Former

See also

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. Retrieved November 8, 2007.
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