When must motor vehicle headlamps be illuminated?

• A. Only during the day
• B. Between sunset and sunrise
• C. Whenever driving in rainy conditions
• D. Only at night

Answer: (B)

Motor vehicle headlamps must be illuminated between sunset and sunrise to ensure visibility and safety on the road during low-light conditions. This requirement is crucial because it allows drivers to see the road and other vehicles, while also making their own vehicle more visible to others. Headlamps provide essential illumination when natural light from the sun is not sufficient, significantly reducing the risk of accidents during nighttime driving.

While it might be tempting to think that headlamps are only necessary at night, there are circumstances, such as severe weather conditions like rain, fog, or snow, where they should also be used during the day to enhance visibility. However, the specific requirement here focuses on the time frame between sunset and sunrise when their use should be mandatory for all vehicles.