South Carolina Highway 198
| Mountain Street | ||||
| Route information | ||||
| Maintained by SCDOT | ||||
| Length | 2.660 mi (4.281 km) | |||
| Existed | 1940–present | |||
| Major junctions | ||||
| West end | I-85 / SC 5 in Blacksburg | |||
| East end | NC 198 at the North Carolina line near Earl, NC | |||
| Location | ||||
| Country | United States | |||
| State | South Carolina | |||
| Counties | Cherokee | |||
| Highway system | ||||
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South Carolina Highway 198 (SC 198) is a 2.660-mile (4.281 km) primary state highway in the U.S. state of South Carolina. It connects the town of Blacksburg at Interstate 85 (I-85) exit 102 and the northern terminus of SC 5 with the town of Earl, North Carolina by way of North Carolina Highway 198 (NC 198). Though it physically travels north and south, internal SCDOT data and the only signage of SC 198 at the I-85/SC 5 interchange indicates that it travels east–west.