Missouri Secondary State Route N runs east-west in Southern Jefferson County. It runs from Missouri State Route 21/Missouri Secondary State Route H, at De Soto, to Missouri Secondary State Route E, at De Soto. MO Sec St Rt N passes through the following town in Jefferson County. De Soto MO Sec St Rt N is not multi-plexed in Jefferson County. MO Sec St Rt N intersects the following highways in Jefferson County. Missouri State Route 21, at De Soto. Missouri Secondary State Route H, at De Soto.
