Illinois State Route 70 is a north-south highway in Western Winnebago County. This runs from Durand to Rockford. IL St Rt 70 passes through the following towns in Winnebago County. Durand
Rockford
IL St Rt 70 is not multi-plexed in Winnebago County. IL St Rt 70 intersects the following highways in Winnebago County. Illinois State Route 75, near Durand.
The northern end in Durand. The northern end marker. NB IL St Rt 70 in Durand. NB IL St Rt 70 south of IL St Rt 75. A Winnebago County mile marker. NB IL St Rt 70 near Pecatonica. A junction marker on EB BUSN U.S. Rt. 20. The southern end of IL St Rt 70. The southern end marker.
