Section 39-21-14 - Lamps on parked vehicle1. Whenever a vehicle is lawfully parked upon a street or highway during the hours between a half hour after sunset and a half hour before sunrise and in the event there is sufficient light to reveal any person or object within a distance of one thousand feet [304.8 meters] upon such street or highway, no lights need be displayed.2. Whenever a vehicle is parked or stopped upon a roadway or shoulder adjacent thereto, whether attended or unattended, during the hours between a half hour after sunset and a half hour before sunrise and there is not sufficient light to reveal any person or object within a distance of one thousand feet [304.8 meters] upon such highway, the vehicle must be equipped with at least one lamp displaying a white or amber light visible from a distance of one thousand feet [304.8 meters] to the front of the vehicle. The same lamp or at least one other lamp must display a red light visible from a distance of one thousand feet [304.8 meters] to the rear of the vehicle, and the location of the lamp or lamps must always be such that at least one lamp or combination of lamps meeting the requirements of this section is installed as near as practicable to the side of the vehicle which is closest to passing traffic. Local authorities may provide by ordinance that no lights need be displayed upon any motor vehicle when parked upon a highway where the speed limit in effect does not exceed thirty miles [48.28 kilometers] per hour in accordance with local ordinances or where there is sufficient light to reveal any person within a distance of two hundred feet [60.96 meters] upon such highway.3. Any lighted headlamps upon a parked vehicle must be depressed or dimmed.