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 | |
| Formed | November 11, 1926[1] |
| Highway names | |
| Interstates | Interstate X (I-X) |
| US Highways | U.S. Route X (US X) |
| State | Illinois 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 |
179.88 | 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 | 1933 | 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 | 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 | ||
.svg.png.webp){kind=small} US 32 |
— | — | US 6 at Moline | US 41 in Chicago | 1926 | 1934 | Now US 6 and US 34 | |
 US 34 |
211.37 | 340.17 | US 34 in Gladstone | IL 43 in Berwyn | 1926 | 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 | 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 |
415.95 | 669.41 | 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/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 | 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 66 |
301 | 484 | US 66 at East St. Louis | US 41 in Chicago | 1926 | 1974 | Will Rogers Highway | |
 US 67 |
213.99 | 344.38 | US 67 in Alton | US 67 in Rock Island | 1926 | current | ||
.svg.png.webp){kind=small} US 124 |
80 | 129 | — | — | 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 | |
.svg.png.webp){kind=small} US 330 |
— | — | — | — | 1926 | 1942 | Replaced by IL 38 | |
.svg.png.webp){kind=small} US 430 |
— | — | — | — | 1926 | 1934 | Replaced by IL 31 | |
 US 460 |
— | — | — | — | 1947 | 1974 | ||
| ||||||||
Special routes
| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
 US 12 City |
— | — | — | — | 1938 | 1960 | Served Chicago | |
 US 12 Bus. |
— | — | — | — | 1960 | 1968 | Served Chicago | |
| US 20 Bus. |
— | — | — | — | 1988 | current | Served Freeport | |
| US 20 Bus. |
— | — | — | — | — | — | Served Rockford | |
| US 20 Bus. |
— | — | — | — | 1962 | 1984 | Served Elgin | |
| US 20 Bus. |
— | — | — | — | 1938 | 1968 | Served Chicago; Formerly designated as City US Route 20 | |
| US 30 City |
— | — | — | — | 1959 | 1960 | Served Aurora | |
| US 30 Bus. |
— | — | — | — | 1960 | 1970 | Served Aurora; Formerly designated as City US Route 30 | |
 US 30 Alt. |
— | — | — | — | 1942 | 1971 | Served Chicago; Formerly designated as US Route 330 | |
| US 40 Alt. |
— | — | — | — | 1948 | 1967 | Served Greenville-Vandalia | |
 US 40 Byp. |
— | — | Chain of Rocks Bridge | US 40 in Troy | 1938 | 1965 | Served the Greater St. Louis Area | |
| US 50 Byp. |
— | — | — | — | 1955 | 1975 | Served the Greater St. Louis Area. Replaced by I-255 as well as mainline US 50. | |
| US 50 Bus. |
— | — | — | — | 1962 | current | 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 | — | — | 1959 | 1969 | Served Kankakee | |
| US 66 Byp. |
— | — | Chain of Rocks Bridge | US 66/IL 140 in Hamel | 1957 | — | Served the Greater St. Louis Area | |
.svg.png.webp){kind=small} US 66 City |
— | — | — | — | — | 1957 | 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. |
— | — | — | — | 1953 | 1965 | ||
| US 67 Alt. |
— | — | — | — | 1939 | 1964 | Served the Greater St. Louis Area | |
| ||||||||
See also
Illinois portal
U.S. Roads portal
References
- McNichol, Dan (2006). The Roads that Built America. New York: Sterling. p. 74. ISBN 1-4027-3468-9.
- 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 links
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