What is meant by "tailgating"?

Answer: B — Following another vehicle too closely

Tailgating refers to the practice of one vehicle following another vehicle too closely. This behavior can be dangerous because it reduces the time a driver has to react if the vehicle in front suddenly stops or slows down. By maintaining a safe following distance, drivers can ensure that they have enough space to stop safely and avoid collisions. In contrast, driving too slowly can impede traffic flow but does not pose the same immediate risks associated with tailgating. Using the horn aggressively may indicate frustration or urgency, but it does not affect following distance. Switching lanes frequently can be distracting and may increase the risk of accidents, but it is not specifically related to the distance maintained from another vehicle. Understanding tailgating is crucial for safe driving practices and helps promote the overall safety of all road users.