S.C. Code Ann. § 57-3-780: Determinations required as to feasibility of high occupancy vehicle lanes, sidewalks, and bicycle lanes.

Before building new or expanding existing primary highways, roads, and streets, the department shall consider and make a written determination whether it is financially and physically feasible to include:

(1) high occupancy vehicle lanes, when the construction or expansion is in a metropolitan area;

(2) pedestrian walkways or sidewalks; and

(3) bicycle lanes or paths.

A copy of this determination must be submitted to the State Energy Office.