Roads of the Mid-South & West > Highways of the State of Illinois > Illinois State Routes 101-199 > Illinois State Route 120
![](/rnb/bill1b/il120n.JPG) | Illinois State Route 120 | ![](/rnb/bill1b/il120w.JPG) |
Illinois State Route 120 runs east-west across Northeastern Illinois. Info on IL St Rt 120 is broken down by county below.
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![](/rnb/bill1/lakecntyil.JPG)