Missouri Secondary State Route MM is a short east-west highway in Southwestern Callaway County. It runs from Missouri Secondary State Route J, west of New Bloomfield, to the Mark Twain National Forest. MO Sec St Rt MM does not pass through any towns in Callaway County. MO Sec St Rt MM is not multi-plexed in Callaway County. MO Sec St Rt MM intersects the following highways in Callaway County. Missouri Secondary State Route J, near New Bloomfield.
