Illinois Route 150

Illinois Route 150 (IL 150) is a 24.19-mile-long (38.93 km) east–west state road in southern Illinois. It runs from the Chester Bridge, a truss bridge over the Mississippi River to Route 51 in the state of Missouri, to IL 154 in rural Perry County well west of Pinckneyville.[1]

Illinois Route 150
IL 150 highlighted in red
Route information
Maintained by IDOT
Length24.19 mi[1] (38.93 km)
Major junctions
West end Route 51 in Chester
East end IL 154 in Cutler
CountiesRandolph, Perry
Highway system
US 150IL 151

Route description

Illinois 150 generally runs southwest to northeast, but is marked as an east–west route. From the Chester Bridge, it runs northeast through Chester, briefly overlapping Illinois Route 3. A longer concurrency takes place further northeast at Illinois Route 4. East of Percy, Illinois 150 turns north to Illinois 154. In Chester, it is named State Street.


SBI Route 150 originally ran from the US 51/60/62 bridges south of Cairo north to Hamel (located northeast of Saint Louis, Missouri) on what is now Illinois Route 3, the portion of Illinois 150 from Chester to Steeleville, and Illinois Route 4.

In 1937, the changes from Illinois 150 to Illinois 3 and 4 took place (the change to Illinois 4 initially was a change to Illinois Route 43). Illinois 150 then was extended east and west (replacing what was then Illinois Route 151) to its current length.[2]

Major intersections

Mississippi River0.000.00Chester Bridge; Missouri–Illinois state line
RandolphChester1.181.90 IL 3 southWestern end of IL 3 overlap
1.292.08 IL 3 northEastern end of IL 3 overlap
12.0819.44 IL 4 northWestern end of IL 4 overlap
county line
18.3129.47 IL 4 southEastern end of IL 4 overlap
PerryCutler Precinct24.1938.93 IL 154
1.000 mi = 1.609 km; 1.000 km = 0.621 mi


  1. Illinois Technology Transfer Center (2013). "T2 GIS Data". Retrieved August 30, 2014.
  2. Carlson, Rich. Illinois Highways Page: Routes 141 thru 160. Last updated April 15, 2005. Retrieved June 28, 2006.

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