S.C. Code Ann. § 54-3-200

The Authority may acquire, own, lease, locate, install, construct, equip, hold, maintain, control and operate at harbors and seaports a line of terminal railroads with necessary sidings, turnouts, spurs, branches, switches, yard tracks, bridges, trestles and causeways and in connection therewith or appurtenant thereto may further lease, install, construct, acquire, own, maintain, control and use any and every kind or character of motive power and conveyance or appliance necessary or proper to carry passengers, goods, wares and merchandise over, along or upon the tracks of such railroads or other conveyances.