Route information | ||||
---|---|---|---|---|
Maintained by SCDOT | ||||
Length | 134.200 mi[1][2][3][4][5][6][7] (215.974 km) | |||
Existed | 1964[citation needed]–present | |||
Major junctions | ||||
South end | US 1 / US 25 / US 78 / US 278 / SR 10 / SR 121 at the GA state line near North Augusta | |||
North end | US 21 / SC 322 in Rock Hill | |||
Location | ||||
Country | United States | |||
State | South Carolina | |||
Counties | Aiken, Edgefield, Saluda, Newberry, Union, Chester, York | |||
Highway system | ||||
|
South Carolina Highway 121 (SC 121) is a 134.200-mile (215.974 km) major state highway that travels north and south in central parts of the U.S. state of South Carolina. The highway is actually part of a long multi-state highway that also exists in Florida and Georgia, as Florida State Road 121 and Georgia State Route 121, respectively.