When is it safe to drive in foggy weather?

Answer: B — When visibility allows for safe navigation, typically at a reduced speed

Driving in foggy weather requires heightened awareness and safety precautions. The correct response highlights the importance of visibility and adapting to the conditions present. Safe navigation in fog depends heavily on how far you can see ahead. Generally, as fog reduces visibility, reducing speed becomes essential. This allows drivers enough time to react to obstacles or changes in traffic that may not be immediately visible. Moreover, traveling at a reduced speed helps in maintaining control of the vehicle, enabling you to stop or take evasive action if necessary. It's also crucial to use appropriate lighting, such as fog lights, to enhance visibility without blinding other drivers. Understanding that safety in these conditions is primarily about visibility allows drivers to make informed decisions rather than relying solely on posted speed limits or the presence of other vehicles around them.