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Question. What are the three basic steps in the nsc collision prevention formula?

Answer: The National Safety Council (NSC) emphasizes collision prevention through a structured three-step formula, widely recognized in defensive driving courses:

  1. Recognize the Hazard
    Stay alert to potential dangers, such as swerving vehicles, pedestrians, changing weather, or road debris. Defensive drivers constantly scan the road, checking mirrors and anticipating risks.

  2. Understand the Defense
    Knowing how to react can prevent crashes. This includes maintaining a safe following distance, adjusting speed based on road conditions, signaling clearly, and avoiding aggressive maneuvers. NSC recommends the three-second rule for safe following distances.

  3. Act Correctly in Time
    Quick and calm decision-making is key. If a driver ahead swerves unpredictably, a defensive response might be slowing down to increase space, changing lanes if necessary, or pulling over safely. Overreacting, such as slamming brakes suddenly, can cause additional risks.

🔹 Example Scenario:
Imagine you’re on the highway, and a car ahead starts swerving between lanes.
Recognize the Hazard – The driver may be distracted or impaired.
Understand the Defense – Keep your distance, avoid blind spots, and prepare for evasive action.
Act Correctly in Time – Slow down and stay alert, changing lanes only if safe. If the behavior continues, exit the highway or call authorities if necessary.

📌 Why It Matters:
According to NSC data, defensive driving techniques reduce crash risks significantly. Studies show that drivers who actively scan the road and anticipate hazards react up to 2 seconds faster, which can prevent accidents.