In low visibility conditions such as fog, what is the most appropriate way to improve your visibility?

Answer: B — Using low-beam headlights

Using low-beam headlights in low visibility conditions such as fog is the most appropriate choice because high-beam headlights can create a glare that reflects off the fog, rain, or snow, which can actually worsen visibility rather than improve it. Low-beam headlights are designed to provide adequate illumination of the road directly in front of the vehicle without causing excessive glare. In foggy conditions, relying solely on streetlights may not be effective because not all roads will have adequate street lighting, and visibility can still be severely limited. Driving with headlights off is dangerous and significantly reduces visibility, putting both the driver and others on the road at risk. Therefore, using low-beam headlights is the best practice to enhance visibility without creating unsafe glare.