Illinois Route 15

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Illinois Route 15 marker

Illinois Route 15
Route information
Maintained by IDOT
Length: 149.64 mi[2] (240.82 km)
Existed: 1918[1] – present
Major junctions
West end: I-55.svgI-64.svgUS 40.svgIllinois 3.svg I-55 / I-64 / US 40 / IL 3 in East St. Louis
  I-255 / US 50 in East St. Louis
US 51 in Ashley
I-57 / I-64 in Mt. Vernon
US 45 in Fairfield
East end: SR 64 in Mt. Carmel
Location
Counties: St. Clair, Washington, Jefferson, Wayne, Edwards, Wabash
Highway system
IL 14 IL 16
Former eastern terminus of the highway at the Wabash River bridge.

Illinois Route 15 is an east–west highway with its western terminus at Illinois Route 3, U.S. Route 40, I-55, and I-64, and its eastern terminus at Wabash River at the Illinois/Indiana Border where it meets State Road 64. This is a distance of 149.64 miles (240.82 km).[2]

History[edit]

West of Mt. Vernon, IL 15 was part of US 460. Until the 1960s, IL 15 went on the IL 160 corridor from Addieville to Okawville, then west on the present IL 177 corridor to Belleville. The section from Nashville to St. Libory was once IL 110, but this was back in the 1940s before US 460 was signed.[2]

The current route was determined in 1967. US 460 was truncated in 1974.[1]

Major intersections[edit]

County Location Mile km Destinations Notes
St. Clair East St. Louis I-55 north / I-64 east / US 40 east
IL 3 north
Western terminus of IL 15; southbound exit and northbound entrance onto I-55/I-64/US 40/IL 3
Alorton IL 163 south Northern terminus of IL 163
I-255 / US 50
IL 157
Belleville IL 13
IL 158
IL 159
IL 13 west western end of IL 13 concurrency; westbound exit and eastbound entrance
Freeburg IL 13 east Eastern end of IL 13 concurrency
Fayetteville IL 4 north Western end of IL 4 concurrency
St. Libory IL 4 south Eastern end of IL 4 concurrency
Washington Johannisburg Township IL 153 south Northern terminus of IL 153
Plum Hill Township IL 160 north Southern terminus of IL 160
Nashville IL 127
Ashley Township US 51 south Western end of US 51 concurrency
Ashley US 51 north Eastern end of US 51 concurrency
Jefferson Mt. Vernon I-57 / I-64 – Champaign, St. Louis, Evansville
IL 37
Wayne Wayne City IL 242 south Northern terminus of IL 242
Fairfield US 45 north Western end of US 45 concurrency
US 45 south Eastern end of US 45 concurrency
Edwards Albion IL 130 south Southern end of IL 130 concurrency
IL 130 north Northern end of IL 130 concurrency
Wabash Mt. Carmel IL 1 north Northern end of IL 1 concurrency
IL 1 south Southern end of IL 1 concurrency
SR 64 east Indiana state line
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

External links[edit]

References[edit]

  1. ^ a b Carlson, Rich. Illinois Highways Page: Routes 1 thru 20. Last updated March 15, 2006. Retrieved April 2, 2006.
  2. ^ a b c Illinois Technology Transfer Center (2007). "T2 GIS Data". Retrieved 2007-11-08.