Missouri Secondary State Route N is a north-south highway in Northern St. Louis County. It runs from Interstate 270, in Florissant, to Interstate 70, at Cool Valley. MO Sec St Rt N passes through the following towns in St. Louis County. Florissant Calverton Park Ferguson Cool Valley Normandy
MO Sec St Rt N is not multi-plexed in St. Louis County. MO Sec St Rt N intersects the following highways in St. Louis County. Interstate 270, at Florissant. Interstate 70, at Cool Valley. Missouri State Route 115, at Normandy.
