W. Va. Code § 31-2B-2: Illumination requirements; time period for implementation; application of requirements.

(a) From the effective date of this article, there shall be maintained at the rear of all cabooses, while cabooses are being pushed during the hours of darkness, either a handheld or installed backup light which shall have sufficient candlepower to illuminate the track for a distance of at least two hundred fifty feet under clear atmospheric conditions on all local and mine runs.

(b) Every railroad company operating within this state shall be required to comply with the provisions of this article, but shall have one year from the effective date hereof to comply with such requirements.

(c) The provisions of this article shall apply to all local and mine run cabooses.