All flags, belts, apparel and devices issued to a pupil or any other person who is controlling or directing traffic near a school, when used during periods of darkness, must be made at least in part with reflective materials which are visible from 300 feet to approaching motorists using lawful lower beams of headlamps.
(Added to NRS by 1985, 640) — (Substituted in revision for NRS 484.496)