Roads of the Mid-South & West > Highways of the State of Illinois > Illinois State Route 200's > Illinois State Route 203
![](/rnb/bill2/il203.JPG) | Illinois State Route 203 |
Illinois State Route 203 is a north-south highway in the St. Louis Metro East. It runs from East St Louis to near Pontoon Beach. Info on IL St Rt 203 is broken down by county below.
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31 October 2009