Ohio State Route 123 runs north-south through most of Warren County. In doing so, this cuts in a angel from the northwest corner to the southeast corner of the county. OH St Rt 123 passes through the following towns in Warren County. Carlisle Franklin Red Lion Lebanon Morrow Roachester OH St Rt 123 is multi-plexed in Warren County. Ohio State Route 73, at Carlisle. Ohio State Route 48, at Lebanon. U.S. Rt. 22, from Morrow to Roachester. Ohio State Route 3, from Morrow to Roachester. OH St Rt 123 intersects the following highways in Warren County. Ohio State Route 73, at Carlisle. Ohio State Route 73, at Carlisle. Interstate 75, at Franklin. Ohio State Route 122, near Red Lion. Ohio State Route 741, near Red Lion. Ohio State Route 48, at Lebanon. Ohio State Route 63, at Lebanon. U.S. Rt. 42, at Lebanon. Ohio State Route 48, at Lebanon. Interstate 71, near Lenanon. Ohio State Route 350, near Lebanon. U.S. Rt. 22, at Morrow. Ohio State Route 3, at Morrow. U.S. Rt. 22, at Roachester. Ohio State Route 3, at Roachester. Ohio State Route 132, near Roachester.
