La Salle County Highway 36 is a very short highway runing just south of Seneca. This route connects Grundy County Highway C34 to Illinois State Route 170. LSCH 36 passes through the following town in La Salle County. Seneca LSCH 36 intersects the following major local roads in La Salle County. Illinois State Route 170, at Seneca. Grundy County Highway C34, near Seneca.
