Illinois 70 is a fairly short route connecting Rockford to Durand, a town northwest of Rockford. It runs completely within Winnebago County, in far northern Illinois.
Intersections from north to south:
IL70 begins spontaneously (not at another route) in Durand, Illinois
IL70 crosses IL75 just south of Durand
IL70 ends at Business US20 in downtown Rockford.
It passes through these towns: Durand and Rockford.
