Illinois State Route 15 is a east-west highway in Southern Wayne County. This is the main east-west highway across the county. IL St Rt 15 passes through the following towns in Wayne County. Wayne City
Fairfield
IL St Rt 15 is multi-plexed in Wayne County. U.S. Rt. 45, near Fairfield.
IL St Rt 15 intersects the following highways in Wayne County. Illinois State Route 242, at Wayne City.
A Wayne County mile marker. EB IL St Rt 15 west of Wayne City. EB IL St Rt 15 west of Fairfield. SB U.S. Rt. 45/EB IL St Rt 15 at Fairfield. A junction marker on SB U.S. Rt. 45/EB IL St Rt 15 in Fiarfield.
