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Driving at Dawn and Dusk

Dawn and dusk are common work times on a farm, and they are also when vision is hardest. Light changes quickly, glare hits from low angles and other drivers may not see a slow machine in time.

Why are dawn and dusk especially difficult?

Your eyes take time to adjust as light fades or rises. Low sun can shine directly into the windshield of the machine or into the eyes of other drivers, hiding vehicles ahead and making it hard to judge distance.

Shadows from trees and buildings can hide people, animals and edges of the road.

The first and last hours of daylight also bring changes in temperature and moisture, which can cause fog, frost or dew on the glass. Clear the windshield fully before moving, and use the defroster as the manual describes.

How can I be seen more easily?

Turn on headlights and warning lights as your local rules and your manual advise, even when it still seems bright. Clean lights, reflectors and the slow-moving vehicle emblem so they can do their job.

Check marking and tape, since reflective surfaces help most when light is low. See the extension guidance on visibility for ideas.

If an extra warning light is allowed where you drive, ask the official agency which type and placement they accept before buying anything.

• Turn lights on early
• Keep lenses and reflectors clean
• Use the emblem and marking as your state requires
• Avoid glaring work lights on the road

How should I adjust my speed and spacing?

Drive slower than you would in full daylight, and leave more space ahead. You may see hazards later, and your machine takes longer to stop, especially with a load.

Think about stopping distance as well as speed. A heavy load or an implement can increase the distance needed, and the combination of limited sight and long stopping distance is what makes these hours risky. If traffic builds behind you, find a safe place to pull off. Letting cars pass reduces pressure and the risk of a bad pass in poor light.

Think about stopping distance as well as speed. A heavy load or an implement can increase the distance needed, and the combination of limited sight and long stopping distance is what makes these hours risky.

How do I handle sun glare?

Use the sun visor and wear good sunglasses when facing low sun. Keep the windshield and mirrors clean inside and out, since dirt makes glare worse.

Keep a clean cloth and glass cleaner in each cab. A thin film of dust or smears can turn mild glare into a blinding flash, and cleaning is simple when you do it early. Polarized sunglasses may help some people, but check that they do not make dashboard screens hard to read. Try a pair in the yard before you rely on it on the road.

Keep a clean cloth and glass cleaner in each cab. A thin film of dust or smears can turn mild glare into a blinding flash, and cleaning is simple when you do it early.

What about my eyes and fatigue?

Dawn can come after a short night, and dusk after a long day. Tired eyes adapt more slowly. Take breaks, stay hydrated and avoid driving when you are drowsy.

If you wear glasses, keep them clean and up to date. Ask an eye care professional about your vision and driving at low light if you notice any difficulty.

Keep your windshield free of stickers and clutter that block your view, and avoid hanging items from the mirror. Small blocks can hide a person or a vehicle in low light.

How can I plan work around these times?

When you can, move equipment on the road during better light. Schedule long trips for mid-day and leave a margin so you do not feel rushed.

If you must travel in low light, tell others where you are going and when you expect to arrive. Keep a phone or radio at hand.

Make a habit of telling someone when you head out and when you are back. If a machine breaks down at dusk, you will be easier to find and easier to help.

How do I look out for animals and people?

Deer and other animals are more active at dawn and dusk. Watch the roadside and slow down in areas where wildlife is common. Do not swerve sharply if an animal appears, since that can cause a rollover or collision.

Walkers, cyclists and children may also be near rural roads at these times. Give them room and pass only when you can do so safely.

Keep a flashlight and your phone with you. If you stop on the roadside, turn on your flashers, move away from the traffic lane and call for help. Call 911 if anyone is hurt.

Last reviewed: November 12, 2026. Written by the Farm Safety Editorial Team. See our editorial policy.