What is the best way to ensure you have enough following distance?

Answer: A — Use the two-second rule

Using the two-second rule is the best method to ensure you maintain a safe following distance. This rule suggests that you should pick a stationary object on the road, such as a sign or a tree, and when the vehicle in front of you passes that object, you should be able to count to two seconds before you reach the same point. This technique helps create adequate space between vehicles, allowing enough time to react in various driving situations, such as sudden stops or emergencies. Other approaches, like staying close to the vehicle ahead or matching its speed, can reduce your reaction time and increase the risk of collisions. Checking your rearview mirror is important for awareness of surrounding traffic but does not directly relate to maintaining a safe following distance. Thus, the two-second rule effectively balances safety and awareness on the road.