La Salle County Highway 18 runs east-west north of Ottawa. This runs between Illinois State Route 23 and Illinois State Route 71. LSCH 18 passes through the following town in La Salle County. Dayton LSCH 18 is not multi-plexed in La Salle County. LSCH 18 intersects the following highways in La Salle County. Illinois State Route 23, near Ottawa. Illinois State Route 71, near Dayton.
Looking east along LSCH 18 north of Ottawa. Looking east along LSCH 18 at Dayton near the Fox River. WB LSCH 18 near the Fox River. WB LSCH 18 west of IL St Rt 71.
