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).

[1][2] A two-lane rural highway, it traverses 2.66 miles (4.28 km), starting in Blacksburg, it goes north to the North Carolina state line at Buffalo Creek.

Established in 1940, but designated later in 1951, SC 198 was 3.8-mile-long (6.1 km) and ran from U.S. Route 29/SC 5 to the North Carolina state line.

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