Roads of the Mid-South & West > Highways of the State of Illinois > Illinois State Route 1-50 > Illinois State Route 23
![](/rnb/bill2/il23.JPG) | Illinois State Route 23 |
Illinois State Route 23 is a north-south highway connecting Northern Illinois to North Central Illinois.
Info on IL St Rt 23 is broken down by county below.
![](/rnb/bill0/mchenrycntyil.jpg)
![](/rnb/bill0/dekalbcntyil.JPG)
![](/rnb/bill2/lasallecntyil.jpg)
![](/rnb/bill2/livingstoncntyil.JPG)
8 July 2010