NC General Statute 20-158 Vehicular Control Signs and Signals

The Department of Transportation, with reference to State Highways, and local authorities, with references to highways under their jurisdiction, are hereby authorized to control vehicles:

(1) At intersections, by erecting or installing stop signs requiring vehicles to come to a complete stop at the entrance to that portion of the intersection designated as the main traveled or through highway. Stop signs may also be erected in three or more entrances to an intersection.

(2) At appropriate places other than intersections, by erecting or installing stop signs requiring vehicles to come to a complete stop.

(3) At intersections and other appropriate places, by erecting or installing steady-beam traffic signals and other traffic control devices, signs, or signals. All steady-beam traffic signals emitting alternate red and green lights shall be arranged so that the red light in vertical arranged signal faces shall appear above, and in horizontal-arranged signal faces shall appear to the left of all yellow and green lights.

(4) At intersections and other appropriate places, by erecting or installing flashing red or yellow lights.