61-8-327. One-way roadways, rotary traffic islands, and roundabouts. (1) The department of transportation or a local authority may designate a highway, roadway, part of a roadway, or specific lanes under its respective jurisdiction for one-way traffic and shall erect official traffic control devices giving notice of that designation.

(2) Upon a roadway designated by official traffic control devices for one-way traffic a vehicle may be driven only in the direction designated.

(3) A vehicle passing around a rotary traffic island or a roundabout may be driven only to the right of the island or the center of the roundabout.

(4) For the purposes of this section, a "roundabout" is a circular intersection where all entering traffic must yield to the vehicles within the intersection.