W. Va. Code § 17C-15-16: Lamps on animal-drawn and other vehicles and equipment.

All vehicles including animal-drawn vehicles and including those referred to in section one (c) of this article not hereinbefore specifically required to be equipped with lamps, shall at the times specified in section two of this article be equipped with at least one lighted lamp or lantern exhibiting a white light visible from a distance of five hundred feet to the front of such vehicle and with a lamp or lantern exhibiting a red light visible from a distance of five hundred feet to the rear.