Missouri State Route 19 is a north-south highway in Central Montgomery County. It runs from the Audrain/Mongtgomery County Line, near Martinsburg, south to the Montgomery/Gasconade County Line, near the Missouri River. MO St Rt 19 passes through the following towns in Montgomery County. Wellsville Montgomery City New Florence
Big Spring McKittrick MO St Rt 19 is multi-plexed in Montgomery County. Missouri State Route 161, at Montgomery City. MO St Rt 19 intersects the following highways in Montgomery County. Missouri Secondary State Route AA, near Wellsville. Missouri Secondary State Route A, at Wellsville. Missouri Secondary State Route CC, at Wellsville. Missouri Secondary State Route B, at Montgomery City. Missouri State Route 161, at Montgomery City.
