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Highways of the State of Illinois
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Illinois State Routes 101-199
> Illinois State Route 156
Illinois State Route 156
Illinois State Route 156 runs east-west in Southwestern Illinois. This highway runs across Southern St. Clair County and Northern Monroe County. Info on IL St Rt 156 is brokn down by county below.
Roads of the Mid-South & West > Highways of the State of Illinois > Illinois State Routes 101-199 > Illinois State Route 156
