Illinois State Route 1, streches from Chicago along Illinois' eastern boarder to the hills of Shawnee National Forest. This one of the longest state highways currently in commision in the State of Illinois. Info on IL St Rt 1 is broken down by county. Gallatin County Hardin County
Roads of the Mid-South & West > Highways of the State of Illinois > Illinois State Routes 1-50 > Illinois State Route 1
