Illinois State Route 78 is a north-south highway in Eastern Jo Daviess County. It runs from the Illinois/Wisconsin State Line, near Watson, to the Jo Daviess/Carroll County Line, near Pleasant Valley. IL St Rt 78 passes through the following towns in Jo Daviess County. Warren
Stockton
Pleasant Valley U.S. Rt. 20 is multi-plexed in Jo Daviess County. U.S. Rt. 20, near Stockton.
IL St Rt 78 intersects the following highways in Jo Davies County. U.S. Rt. 20, near Stockton.
SB IL St Rt 78 at the Illinois/Wisconsin State Line. (August, 2024) SB IL St Rt 78 at the Illinois/Wisconsin State Line. NB IL St Rt 78 at the CN Railroad overpass. SB IL St Rt 78 at the Illinois Welcome Sign. SB IL St Rt 78 at the Illinois Welcome Sign. (August, 2024) A Jo Daviess County mile marker. SB IL St Rt 78 near Warren. NB IL St Rt 78 north of Warren. NB IL St Rt 78 south of Warren. NB IL St Rt 78 north of east U.S. Rt. 20. A guide marker on WB U.S. Rt. 20. WB U.S. Rt. 20/SB IL St Rt 78 east of Main in Stockton. SB IL St Rt 78 south of west U.S. Rt. 20. SB IL St Rt 78 at 1st in Stockton.