I 39
| Mileage | 123.42 |
| Cities | Normal, La Salle, Mendota, Rockford |
| Junctions | |
| I end - longitude/latitude | 42.49615 / -88.99286 |
| II end - longitude/latitude | 40.543548 / -89.0031 |
Interstate Highways & US Highways
| Mileage | 123.42 |
| Cities | Normal, La Salle, Mendota, Rockford |
| Junctions | |
| I end - longitude/latitude | 42.49615 / -88.99286 |
| II end - longitude/latitude | 40.543548 / -89.0031 |