State Route 78 in Seneca Township, Ohio

State Route 78 in Monroe County is a main road. It runs in a southeast-northwest direction and crosses Swazey Road, Township Road 76, Township Road 27, State Route 379, Township Highway 636, Township Road 55 and Township Highway 240. It ends in a cul-de-sac. This street is part of the highway "78". State Route 78 also exists in Salem Township and Adams Township.