U.S. Federal Route 74 runs east-west across Polk County. It goes from the Polk/Henderson County Line, near Saluda, to the Polk/Rutherford County Line, near Union. U.S. Rt. 74 passes through the following town in Polk County. Columbus U.S. Rt. 74 is multi-plexed in Polk County. Interstate 26, from the Polk/Henderson County Line to Columbus.
U.S. Rt. 74 intersects the following highways in Polk County. North Carolina State Route 9, near Mill Spring. North Carolina State Route 108, at Columbus. Interstate 26, at Columbus.
A BGS on WB I-26.
A guide marker on EB NC St Rt 108.
A guide marker on WB NC St Rt 108.
WB I-26/U.S. Rt. 74 west of the Columbus Interchange.