 US 17 enters into South Carolina in Jasper County as a two-lane road and within eight miles (13 km) enters Hardeeville, where it becomes a major four-lane Freeway configuration.US 17 intersects Interstate 95 at exit 5 in Hardeeville and after the intersection with US 321, runs parallel to Interstate 95 until Ridgeland, where it merges with the interstate at exit 22 until Point South.At Point South, US 17 leaves I-95 at exit 33 and heads eastward into northern Beaufort County, sharing a concurrency with US 21 until Gardens Corner.