Ohio State Route 45 is a north-south highway in Central Columbiana County. It runs from the Columbiana/Mahoning County Line, at Salem, to Ohio State Route 7/39, at Wellsville. OH St Rt 45 passes through the following towns in Columbiana County. Salem Salem Heights Lisbon West Point Wellsville
OH St Rt 45 is multi-plexed in Columbiana County. U.S. Rt. 62, at Salem. Ohio State Route 517, at Lisbon. Ohio State Route 154, at Lisbon. U.S. Rt. 30, from Lisbon to West Point. OH St Rt 45 intersects the following highways in Columbiana County. U.S. Rt. 62, at Salem. Ohio State Route 14, at Salem. U.S. Rt. 62, at Salem. Ohio State Rotue 173, at Salem. Ohio State Route 9, at Salem. Ohio State Route 558, near Salem. Ohio State Route 164, at Lisbon. Ohio State Route 517, at Lisbon. U.S. Rt. 30, at Lisbon. Ohio State Route 154, at Lisbon. Ohio State Route 164, at Lisbon. Ohio State Route 517, at Lisbon. Ohio State Route 154, at Lisbon. Ohio State Route 518, near West Point. U.S. Rt. 30, near West Point. Ohio State Route 7, at Wellsville. Ohio State Route 39, at Wellsville.
