Missouri Secondary State Route MM is a north-south highway in Southern Lincoln County. It runs from Missouri Secondary State Route C, at Moscow Mills, to Scott Road and Point Road. MO Sec St Rt MM passes through the following town in Lincoln County. Moscow Mills MO Sec St Rt MM is not multi-plexed in Lincoln County. MO Sec St Rt MM intersects the following highways in Lincoln County. Missouri Secondary State Route C, at Moscow Mills.