S.C. Code Ann. § 57-3-120: Definitions.

For the purposes of this title, the following words, phrases, and terms are defined as follows:

(1) "Highway", "street", or "road" are general terms denoting a public way for the purpose of vehicular travel, including the entire area within the right-of-way, and the terms shall include roadways, pedestrian facilities, bridges, tunnels, viaducts, drainage structures, and all other facilities commonly considered component parts of highways, streets, or roads.

(2) "Highway district" means the geographic area established by Section 57-3-50.

(3) "Mass transit" shall mean every conveyance of human passengers by bus, rail, or high-speed rail, van, or any other ground surface vehicle which is provided to the general public, or selected groups thereof, on a regular and continuing basis.

(4) "Roadway" shall mean that portion of a highway improved, designed, or ordinarily used for vehicular travel, exclusive of the shoulder or berm. In the event a highway includes two or more separate roadways, the term "roadway" as used herein shall refer to any such roadways separately but not to all such roadways collectively.