List of Interstate Highways in Illinois
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List of Interstate Highways in Illinois

Interstate Highway System in Illinois
Interstate 57 marker Interstate 294 marker Interstate 55 Business marker
Standard Illinois Interstate Highway markers
System information
Maintained by IDOT, ISTHA, and SCC
Length2,248.93 mi[2] (3,619.30 km)
FormedJune 29, 1956 (1956-06-29)[1]
Highway names
InterstatesInterstate X (I-X)
US HighwaysU.S. Route X (US X)
StateIllinois Route X (IL X)
System links

The Interstate Highways in Illinois are all segments of the Interstate Highway System that are owned and maintained by the U.S. state of Illinois.[3] The Illinois Department of Transportation (IDOT) is responsible for maintaining these highways in Illinois. The Interstate Highway System in Illinois consists of 13 primary highways and 11 auxiliary highways which cover 2,248.93 miles (3,619.30 km).[2] The Interstate Highway with the longest section in Illinois is Interstate 57 at 358.57 miles (577.06 km); the shortest is Interstate 41 at 0.90 miles (1.45 km).

Primary Interstate Highways

Number Length (mi)[2] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
38.73 62.33 I-57 in Williamson County I-24 at Metropolis 01977-01-011977 current
123.42 198.63 I-55 in Normal I-39 / I-90 in South Beloit 01989-01-011989 current
0.90 1.45 I-94 / US 41 in Russell I-41 / I-94 near Russell 02015-04-072015[4] current Overlaps I-94 from the US 41 split north to the state line
313.08 503.85 I-55 / I-64 in East St. Louis US 41 (Lake Shore Drive) in Chicago 01960-01-011960 current
364.16 586.06 I-57 near Cairo I-94 in Chicago 01969-01-011969 current Longest Interstate in Illinois
128.12 206.19 I-55 / I-64 in East St. Louis I-64 in Grayville 01974-01-011974 current
135.74 218.45 I-70 in East St. Louis I-70 in Clark County -- --
177.25 285.26 I-72 / US 36 in Pike County I-57 in Champaign 01970-01-011970 current
220.34 354.60 I-74 / US 6 in Moline I-74 in Danville -- --
163.52 263.16 I-80 in Rock Island County I-80 / I-94 in Lansing 01967-01-011967 current
140.60 226.27 I-80 in Silvis I-290 in Hillside 01987-01-011987 current Overlaps IL 110 through the entire route
123.89 199.38 I-39 / I-90 in South Beloit I-90 in Chicago -- --
61.53 99.02 I-94 / US 41 near Russell I-80 / I-94 in Lansing -- --

Auxiliary Interstate Highways

Number Length (mi)[2] Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
32.13 51.71 I-55 in Logan County I-74 in Morton 01992-01-011992 current
19.69 31.69 I-72 in Fall Creek US 24 in Fowler 01995-01-011995 current
13.19 21.23 IL 71 in Hennepin I-80 in Bureau County 01967-01-011967 current
3.07 4.94 O'Hare International Airport I-90 in Chicago 01978-01-011978 current Shortest auxiliary interstate in Illinois
27.05 43.53 I-255 in Columbia I-270 / IL 255 in Pontoon Beach 01967-01-011967 current
14.97 24.09 I-270 in Madison County I-70 in Troy 01956-01-011956 current
17.60 28.32 I-280 in Rock Island I-74 / I-80 in Colona -- --
29.84 48.02 I-90 in Schaumburg I-90 / I-94 in Chicago 01955-01-011955 current
53.42 85.97 I-94 in Northbrook I-80 / I-94 in South Holland 01957-01-011957 current Longest auxiliary interstate in Illinois
32.51 52.32 I-80 in New Lenox I-290 in Itasca 01989-01-011989 current
14.88 23.95 I-74 / IL 6 in Peoria I-74 in Tazewell County -- --
-- -- I-294 in Franklin Park I-90 in Des Plaines proposed -- To be opened by 2025
-- -- -- -- -- -- Proposal for Lake Shore Drive
-- -- -- -- -- -- Proposed and cancelled Crosstown Expressway
-- -- -- -- 01960-01-011960 01970-01-011970
  •       Former

Business loops

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
13.9 22.4 I-55 / I-72 / US 36 in Springfield I-55 in Williams Township -- --
-- -- -- -- -- --
-- -- -- -- -- --
9.5 15.3 I-72 / US 36 / US 67 southwest of Jacksonville I-72 in Jacksonville -- --

See also

References

  1. ^ McNichol, Dan (2006). The Roads that Built America. New York: Sterling. p. 106. ISBN 1-4027-3468-9.
  2. ^ a b c d Adderly, Kevin (January 15, 2014). "Table 3: Interstate Routes in Each of the 50 States, District of Columbia, and Puerto Rico". Route Log and Finder List. Federal Highway Administration. Retrieved 2015.
  3. ^ Staff. "Interstate Frequently Asked Questions". Federal Highway Administration. Retrieved 2008.
  4. ^ Srubas, Paul (April 9, 2015). "US 41 Named Officially to Interstate Highway System". Green Bay Press Gazette.

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.

List_of_Interstate_Highways_in_Illinois
 



 



 
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