Night headlight rules — Wyoming Permit Test

In Wyoming, headlights must be used from one-half hour after sunset until one-half hour before sunrise.

Dusk and dawn are when other drivers lose sight of a car without lights, even if the sky still looks bright to you.

Headlights must be used from one-half hour after sunset until one-half hour before sunrise and at any other time when, due to insufficient light or unfavorable weather conditions, persons and vehicles on the road are not clearly discernible at a distance of 1,000 feet ahead.

You must also use headlights whenever poor light or bad weather means people and vehicles on the road are not clearly visible at 1,000 feet ahead.

In a storm at noon, a car without lights can be invisible to someone pulling out in front of it.

persons and vehicles on the road are not clearly discernible at a distance of 1,000 feet ahead.

Turn on your low beams whenever the light begins to fade, so others can see you and judge what you are doing.

At dusk a gray car blends into the road, and lights let other drivers see it in time.

Turn on low beams whenever the light begins to fade.

It is not legal to drive with only parking lights on when headlights are required; parking lights cannot be seen until your vehicle is already clearly visible.

Parking lights are too dim to warn anyone, so a car using them is seen too late to avoid.

It is not legal to drive with only parking lights when headlights are required.

The Wyoming manual says to use high beams on rural highways.

Dark country roads hide animals and stalled cars that low beams light up too late.

high beams on rural highways.

During what hours must your headlights be on?

Half an hour after sunset to half an hour before sunrise. Dusk and dawn are when other drivers lose sight of a car without lights, even if the sky still looks bright to you. Wyoming Rules of the Road Driver License Manual, p.77: “Headlights must be used from one-half hour after sunset until one-half hour before sunrise and at any other time when, due to insufficient light or unfavorable weather conditions, persons and vehicles on the road are not clearly discernible at a distance of 1,000 feet ahead.”