Final answer:
In foggy conditions or during falling snow, it is safer to keep headlights on low beam to reduce glare and improve visibility for the driver and oncoming traffic.
Step-by-step explanation:
When driving in foggy or falling snow conditions, it is best to keep your headlights on low beam. High beam headlights can actually worsen visibility in fog or snow because the light reflects off the water droplets or snowflakes, causing glare and reducing the driver's visibility. Low beam headlights, on the other hand, direct light downward onto the road, which helps in reducing glare and improves visibility in these conditions. Additionally, using low beams is safer for oncoming traffic as well; high beams in poor visibility conditions can also blind other drivers. Maintaining your headlights on low beam ensures that both you and other drivers on the road remain safe. In foggy or falling snow conditions, it is generally recommended to use low beam headlights, not high beam headlights. High beams can actually worsen visibility in these weather conditions. When high beams are used in fog or falling snow, the light reflects off the water droplets or snowflakes in the air, creating a glare that can significantly reduce visibility for both the driver and others on the road. Low beams are less likely to cause glare and are more effective in cutting through the fog or snow, allowing you to see the road and potential hazards more clearly. Additionally, in some areas, it may be a legal requirement to use low beam headlights in adverse weather conditions like fog or falling snow. Always check and follow local traffic laws and regulations regarding headlight use in specific weather conditions.