Any firefighting vehicle, emergency medical services vehicle, Virginia Department of Transportation vehicle, or tow truck may be equipped with clear auxiliary lights, which shall be used exclusively for lighting emergency scenes. Such lights shall be of a type approved by the Superintendent and shall not be used in a manner that may blind or interfere with the vision of the drivers of approaching vehicles. In no event shall such lights be lighted while the vehicle is in motion.
Va. Code § 46.2-1028