Missouri Secondary State Route M is a north-south highway in Northeastern Franklin County. It runs from Missouri Secondary State Route AT, at Villa Ridge, to Missouri State Route 100, at Villa Ridge. MO Sec St Rt M passes through the following town in Franklin County. MO Sec St Rt M is not multi-plexed in Franklin County. MO Sec St Rt M intersects the following highways in Franklin County. Missouri Secondary State Route AT, at Villa Ridge.
