§291C-200 Use of lamps on mopeds. Every moped moving upon a highway from thirty minutes after sunset until thirty minutes before sunrise and at any other time when there is insufficient ambient light to render clearly discernible persons and vehicles on the highway at a distance of two hundred feet (60.9 meters) ahead shall display a lighted head lamp and tail lamp; provided that every moped upon a highway within a tunnel shall at all times display a lighted head lamp and tail lamp. [L 1978, c 175, pt of §15]