S.C. Code Ann. § 57-3-615: Highway tolls; usage charges; restrictions.

(A) No toll or usage charge may be imposed on the passage of any vehicle on any publicly owned or controlled road, bridge, highway, or interstate in this State except as provided by this section. Any toll or usage charge imposition must be allowed by or not contrary to federal law. Tolls or usage charges may be imposed on a publicly owned or controlled road, bridge, highway, or interstate under any of the following circumstances:

(1) the toll or usage charge imposition is specifically authorized by the General Assembly;

(2) the usage charge imposition is on managed or choice lane facilities designated as a choice lane facility under Article 9, Chapter 5, Title 57; or

(3) the usage charge imposition is reviewed by the Joint Bond Review Committee and approved by the State Fiscal Accountability Authority in connection with an agreement under Section 57-3-200 or 57-3-205 for managed or choice lane facilities prior to the solicitation of proposals for the agreement. The manner and method of usage charge imposition and rate setting are not required to be reviewed or approved, but must be set forth in the agreement, as may be amended from time to time.

(B) Usage charges imposed under subsection (A)(2) or (3) of this section may only be imposed on managed or choice lane facilities that increase the capacity of the applicable road, bridge, highway, or interstate. Managed or choice lane facilities are those facilities that are actively managed to achieve more effective and efficient use of a road, bridge, highway, or interstate using various strategies including, but not limited to, pricing, vehicle eligibility, and access control; the managed or choice lane facilities shall be in addition to and not in place of existing lanes. Usage charges are charges imposed for the use of, or right to use, managed or choice lane facilities.

(C) Tolls may continue to be imposed on the passage of vehicles on any publicly owned or controlled road, bridge, highway, or interstate in this State on which tolls or usage charges were imposed as of January 1, 2026.