Illinois Route 203

"Illinois 203" redirects here. For other uses, see Illinois 203 (disambiguation).

Illinois Route 203 marker

Illinois Route 203
Route information
Maintained by IDOT
Length: 9.51 mi[1] (15.30 km)
Existed: 1964[2] – present
Major junctions
South end: Collinsville Road in Fairmont City
  I-55 / I-70 / US 40 in Fairmont City
North end: I-270 in Granite City
Location
Counties: St. Clair, Madison
Highway system
IL 192IL 242

Illinois Route 203 is a northsouth state road in southwestern Illinois. It runs from just south of I-55, I-70, and US 40 around Gateway International Raceway at Collinsville Road (former US 40) in Fairmont City, north to I-270 near Pontoon Beach. This is a distance of 9.51 miles (15.30 km).[1] Illinois 203 is a former segment of U.S. Route 66 (Illinois).

Route description

Illinois 203 is a major northsouth artery through the eastern metropolitan St. Louis area.

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.[2]

Major intersections

CountyLocationmi[3]kmDestinationsNotes
St. ClairFairmont City0.00.0Collinsville Road
0.30.5 I-55 / I-70 (US 40) Chicago, St. Louis
MadisonGranite City5.08.0 IL 162 east (Edwardsville Road)
Mitchell9.515.3 I-270 Effingham, St. Charles
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

References

Route map: Bing / Google

  1. 1 2 Illinois Technology Transfer Center (2006). "T2 GIS Data". Retrieved 2007-11-08.
  2. 1 2 Carlson, Rich (2005-04-15). "Illinois Highways Page: Routes 203 thru end]". Retrieved 2006-06-27.
  3. Google (July 9, 2012). "Illinois Route 203" (Map). Google Maps. Google. Retrieved July 9, 2012.


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