Illinois Route 203

Illinois Route 203 marker

Illinois Route 203
Nameoki Road
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
Illinois State Highway System
← IL 192IL 242 →

Illinois Route 203 (IL 203) is a 9.51-mile-long (15.30 km) north–south state highway in the southwestern part of the U.S. state of Illinois. It travels from just south of I-55/I-70/US 40 around Gateway International Raceway at Collinsville Road (former US 40) in Fairmont City, north to I-270 near Pontoon Beach. IL 203 is a former segment of US 66.

Route description

IL 203 is a major north–south artery through the eastern part of the Greater St. Louis metropolitan area.

History

IL 203 replaced an older alignment of IL 3 in 1964. It originally traveled to Hartford, but this was later trimmed back to I-270.[2]

Major intersections

CountyLocationmi[3]kmDestinationsNotes
St. ClairFairmont City0.00.0Collinsville Road
0.30.48 I-55 / I-70 (US 40) – Chicago, St. Louis
MadisonGranite City5.08.0 IL 162 east (Edwardsville Road)
Mitchell9.515.3 I-270 / Historic US 66 – Effingham, St. Charles
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

  • U.S. Roads portal
  • Illinois portal

References

Route map:

KML is from Wikidata
  1. ↑ 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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