Illinois 75 is a NE-SW running route from the Wisconsin border near Beloit to Freeport. It runs only in Stephenson and Winnebago Counties.

Intersections from SW to NE:

IL75 begins at IL26 in Freeport

Business Route 20 in Freeport*

IL70 near Durand

IL75 joins IL2 north at Rockton

Then, it breaks off of IL2 to head east at Rockton

US51 joins from the north as IL251 ends at its northern terminus

The multiplex of US51 and IL75 ends at I-39 /I-90, as US51 leaves south along the freeway

IL75 ends at the IL/WI state line, becoming Wisconsin State Highway 67.

It passes through these towns: Freeport, Dakota, Davis, Rockton, South Beloit.

*-There is no interchange with US20 near Freeport.

Back