Under what conditions should you slow down?

Answer: B — In adverse weather, heavy traffic, or construction zones

Slowing down in adverse weather, heavy traffic, or construction zones is crucial for ensuring safety on the road. Adverse weather conditions, such as rain, snow, or fog, can significantly reduce visibility and traction, making it harder to control the vehicle. Similarly, in heavy traffic, maintaining a slower speed allows for better reaction times and reduces the risk of collisions as vehicles are closer together. Construction zones can introduce unexpected conditions, such as workers, equipment, and altered road layouts, which necessitate a more cautious approach. Therefore, it is essential to adjust your speed in these situations to maintain safety for yourself and others on the road.