Roads of the Mid-South & West > Highways of the State of Ohio > Ohio State Route 123
 | Ohio State Route 123 |
Ohio State Route 123 is a north-south highway in Southwestern Ohio. This runs from Miamisburg to near a juntion with U.S. Rt. 50, near St. Martin. Info on OH St Rt 123 is broken down by county below.

Warren County Clinton County Brown County