Missouri State Route 156 is an east-west highway across Northern Macon County. It runs rom the Knox/Macon County Line, northeast of Atlanta, to Missouri State Route 149, near South Gifford. MO St Rt 156 passes through the following towns in Macon County. La Plata
South Gifford MO St Rt 156 is multi-plexed in Macon County. Missouri State Route 3, near South Gifford. MO St Rt 156 intersects the following highways in Macon County. Missouri Secondary State Route H, near La Plata. U.S. Rt. 63, at La Plata.
