Illinois 76 is a short north-south route running completely within Boone County. It runs from Belvidere north to become WI140, which goes to Clinton, WI, at the state line.
Intersections from south to north:
IL76 begins at Business US20 at Belvidere
IL173 near Poplar Grove
IL76 ends at the Wisconsin line where it becomes WI140.
IL76 only passes through Belvidere, and runs past Poplar Grove where it intersects IL173.