Illinois State Route 26 is the main north-south highway in Stephenson County. It runs from the Illinois/Wisconsin State Line, near Oneco, to the Stephenson/Ogle County Line, near Baileyville. IL St Rt 26 passes through the following towns in Stephenson County. Oneco Orangeville
Cedarville
Freeport
IL St Rt 26 is not multi-plexed in Stephenson County. IL St Rt 26 intersects the following highways in Stephenson County. U.S. Rt. 20, near Freeprt. BUSN U.S. Rt. 20, at Freeport.
SB IL St Rt 26 at the Illinois/Wisconsin State Line. SB IL St Rt 26 south of the state line. SB IL St Rt 26 near Oneco. SB IL St Rt 26 near Orangeville. SB IL St Rt 26 south of Orangeville. SB IL St Rt 26 north of Freeport. A BGS on EB U.S. Rt. 20. NB IL St Rt 26 north of Freeport.
