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