Missouri State Route 3 is a north-south highway in Central Macon County. This highway runs from the Randolph/Macon County Line, near Kaseyville, to the Adair/Macon County Line, near La Plata. MO St Rt 3 passes through the following towns in Macon County. Kaseyville Callao
MO St Rt 3 is multi-plexed in Macon County. Missouri State Route 156, near La Plata. MO St Rt 3 intersects the following highways in Macon County. Missouri Secondary State Route T, at Kaseyville. U.S. Rt. 36, near Callao. Missouri Secondary State Route EE, near Callao. Missouri Secondary State Route HH, near Elmer. Missouri Secondary State Route J, near Elmer. Missouri State Route 156, near La Plata. Missouri State Route 156, near La Plata.
A BGS on EB U.S. Rt. 36. A guide marker along MO St Rt 3. Photo from: Paul Dienhart NB MO St Rt 3 in Callao.
