La Salle County Highway 66 is a short route between Illinois State Route 23 and La Salle County Highway 15 in Central La Salle County. LSCH 66 does not pass through any towns in La Salle County. LSCH 66 intersect the following local roads in La Salle County. Illinois State Route 23 south of Ottawa. La Salle County Highway 15 near Marseilles.
Looking west along LSCH 66 at LSCH 15. WB LSCH 66 near IL St Rt 23.
