When are headlights required?

Headlights are required from sunset to sunrise and on farm vehicles operating on a highway from one half hour after sunset to one half hour before sunrise according to North Dakota Century Code 39-21-01.

Headlights are also required when it is raining, snowing, sleeting, is foggy, hailing or during other adverse driving or weather conditions that prevent a person from clearly discerning another vehicle at a distance of 1,000 feet.