Illinois Route 203

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Illinois Route 203 marker

Illinois Route 203
Route information
Maintained by IDOT
Length: 9.51 mi[2] (15.30 km)
Existed: 1964[1] – present
Major junctions
South end: Collinsville Road in Fairmont City
North end: I-270.svg Interstate 270 in Pontoon Beach
Location
Counties: St. Clair, Madison
Highway system

Illinois state highway system
Illinois Tollway system

IL 192 IL 242

Illinois Route 203 is a north–south state road in southwestern Illinois. It runs from just south of I-55, I-70, and U.S. 40 around Gateway International Raceway at Collinsville Road (former U.S. 40) in Fairmont City, north to I-270 near Pontoon Beach. This is a distance of 9.51 miles (15.30 km).[2] Illinois 203 is a former segment of U.S. Highway 66.

Contents

[edit] Route description

Illinois 203 is a major north–south artery through the eastern metropolitan St. Louis area.

[edit] Major intersections

  • I-55, I-70, and US-40
  • 20th Street
  • Illinois Route 162
  • Madison Avenue
  • Pontoon Road
  • Maryville Road
  • I-270
  • Old Alton Road

[edit] History

Illinois 203 replaced an older alignment of Illinois Route 3 in 1964. It originally ran to Hartford, but this was later trimmed back to I-270.[1]

[edit] References

  1. ^ a b Carlson, Rich (2005-04-15). "Illinois Highways Page: Routes 203 thru end"]. http://www.n9jig.com/203-up.html. Retrieved 2006-06-27. 
  2. ^ a b Illinois Technology Transfer Center (2006). "T2 GIS Data". http://www.dot.state.il.us/gist2/select.html. Retrieved 2007-11-08. 
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