South Carolina Highway 18
| Route information | ||||
|---|---|---|---|---|
| Maintained by SCDOT | ||||
| Length | 39.040 mi (62.829 km) | |||
| Existed | 1938–present | |||
| Major junctions | ||||
| West end | US 176 / SC 215 in Union | |||
| East end | NC 18 at the North Carolina line | |||
| Location | ||||
| Country | United States | |||
| State | South Carolina | |||
| Counties | Union, Cherokee | |||
| Highway system | ||||
| ||||
South Carolina Highway 18 (SC 18) is a 39.040-mile (62.829 km) primary state highway in the U.S. state of South Carolina. It serves to connect the cities of Union, Gaffney and Shelby, North Carolina.