Ohio State Route 122 is a east-west highway in Warren County. This is the eastern most county for this highway. OH St Rt 122 passes through the following towns in Warren County. Middletown Red Lion OH St Rt 122 is not multi-plexed in Warren County. OH St Rt 122 intersects the following highways in Warren County. Interstate 75, at Middletown. Ohio State Route 123, near Red Lion. Ohio State Route 741, at Red Lion. Ohio State Route 48, near Lebanon.
