U.S. Federal Route 63 is a north-south highway in Adair County. It runs from the Macon/Adair County Line, at Laplata, to the Adair/Schuyler County Line, near Greentop. U.S. Rt. 63 passes through the following towns in Adair County. Millard
U.S. Rt. 63 intersects the following highways in Adair County. Missouri Secondary State Route E, near La Plata. Missouri Secondary State Route KK, at Millard.
Missouri State Route 11, at Kirksville. BUSN U.S. Rt. 63, at Kirksville. Missouri State Route 6, at Kirksville. Missouri Secondary State Route B, near Kirksville. Missouri Secondary State Route P, near Kirksville. Missouri Secondary State Route T, near Kirksville. Missouri Secondary State Route AA, near Sublette. Missouri Secondary State Route A, near Greentop.
Branches of U.S. Rt. 63 in Adair County. NB U.S. Rt. 63/MO St Rt 11; WB MO St Rt 6 in Kirksville. A junction marker on WB MO St Rt 6. SB U.S. Rt. 63 south of MO St Rt 11. SB U.S. Rt. 63 north of La Plata.
