1. Each permanent sign which designates a school zone or school crossing zone and the speed limit in that zone must be uniform in size and color and must clearly designate the hours during which the speed limit applies.
2. Each portable sign designating a school zone or school crossing zone and the speed limit in the zone must be uniform in size and color. A portable sign may be placed on or beside a roadway only during those hours when pupils are arriving at and leaving regularly scheduled school sessions.
(Added to NRS by 1985, 640; A 2001, 955; 2003, 365) — (Substituted in revision for NRS 484.3665)