NRS 455A.140: Slopes, runs and trails: System of signs required; vehicles used by operator to be equipped with light.

1. An operator shall post and maintain a system of signs:

(a) At the entrances to an established slope, run or trail to indicate:

(1) Whether any portion of the slope, run or trail is closed; and

(2) The relative degree of difficulty of the slope, run or trail;

(b) To indicate the boundary of the snow recreation area, except in heavily wooded areas or other terrain that cannot be skied or snowboarded readily; and

(c) To warn of each area within the boundary of the snow recreation area where there is a danger of avalanche by posting signs stating “Warning: Avalanche Danger Area.”

2. An operator shall equip vehicles it uses on or in the vicinity of a slope, run or trail with a light visible to skiers or snowboarders when the vehicle is in motion.