S.C. Code Ann. § 57-5-1040: Regulation of access to controlled-access facilities.

The Department may so design any controlled-access facility and so regulate or prohibit access as to best serve the traffic for which such facility is intended. No person shall have any right of ingress or egress to, from or across controlled-access facilities to or from abutting property or lands, except at such designated places at which access may be permitted, upon such terms and conditions as may be specified from time to time by the Department.