S.C. Code Ann. § 41-7-70
It shall be unlawful for any person, acting alone or in concert with one or more persons:
(2) To engage in picketing by force or violence or in such number or manner as to obstruct or interfere, or constitute a threat to obstruct or interfere, with (a) free ingress to, and egress from, any place of employment or (b) free use of roads, streets, highways, sidewalks, railways or other public ways of travel, transportation or conveyance.
Nothing in this section shall be construed so as to prohibit peaceful picketing permissible under the National Labor-Management Relations Act of 1947 and the Constitution of the United States.
HISTORY: 1962 Code Section 40-46.6; 1954 (48) 1692.