What is the first action a driver should take when approaching a traffic stop?

Answer: C — Reduce speed and prepare to stop

When approaching a traffic stop, the first action a driver should take is to reduce speed and prepare to stop. This is essential for ensuring safety and compliance with traffic regulations. Slowing down allows the driver to respond appropriately to the situation, assess the environment, and make safe decisions. It also helps to maintain a safe distance from the stopped vehicle, which might be a police car or other vehicles involved in the stop. By reducing speed, drivers can avoid sudden stops that could lead to collisions and provide ample time to observe any additional factors that might influence their actions, such as the behavior of pedestrians or other vehicles in the vicinity. This step prioritizes the safety of all road users and is a crucial part of responsible driving practice.