High Quality Content by WIKIPEDIA articles! NC 522 is a six-mile (10 km) North Carolina state highway. It runs entirely in Union County. NC 522 in reality is just a complementary road to SC 522, serving mainly as a way to get to NC 200 in southern North Carolina. North Carolina Highway 522 begins at South Carolina Highway 522 at the North Carolina-South Carolina state line approximately 6 miles south of the hamlet of Roughedge. Highway 522 passes through mixed forest and farmland for almost six miles (10 km) until it reaches its northern end at North Carolina Highway 200 in the hamlet of Roughedge.