South Carolina Highway 121

Length: 134.1 mi. Direction: south-north. South Carolina Highway 121 (SC-121) is a highway in the western part of South Carolina that begins near North Augusta at the Georgia state line, and ends in Rock Hill. The road stretches across the counties of Aiken, Edgefield, Saluda, Newberry, Union, Chester, and York. It was opened in 1964.