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Difficulty: HardDefensive Driving and Hazard Anticipation

While traveling through a busy commercial zone on a multi-lane roadway, you are driving in the right lane. The vehicle slightly ahead of you in the left lane begins to decelerate rapidly near a shopping center entrance without activating a turn signal, while another vehicle follows closely behind your rear bumper. Which of the following responses demonstrates proper hazard anticipation and defensive space management?

  1. Ease off the accelerator to increase your forward space buffer and cover the brake, anticipating a potential pedestrian or turning vehicle hidden by the slowing car while providing early warning to the tailgater.Answer
  2. B
    Maintain your posted cruising speed while tapping your horn to alert the slowing vehicle, relying on your right-of-way since your lane is currently unobstructed.
  3. C
    Steer abruptly onto the paved right shoulder to bypass the situation at your current speed without braking, preventing a rear-end collision from the tailgater.
  4. D
    Accelerate sharply and execute a blind lane change into the left lane behind the slowing vehicle so the tailgater can proceed past your lane.

Answer

Ease off the accelerator to increase your forward space buffer and cover the brake, anticipating a potential pedestrian or turning vehicle hidden by the slowing car while providing early warning to the tailgater.
Easing off the accelerator to build a forward space cushion and covering the brake addresses both hazards simultaneously: it provides extra time and sight distance to react if an unseen hazard emerges from behind the slowing car, while avoiding hard braking that could trigger a rear-end crash from the tailgater.

Step-by-Step Solution

1
Identify potential conflict zones
Recognize that a vehicle unexpectedly slowing down in an adjacent lane often indicates an unseen hazard, such as a pedestrian crossing or a vehicle making an unsignaled turn across your path.
Defensive driving requires identifying potential hazards before they materialize into immediate emergencies.
2
Evaluate surrounding traffic hazards
Note the tailgater behind your vehicle, which makes sudden, hard braking dangerous.
Rear-end collision risk increases when tailgated, requiring early and gradual speed management.
3
Execute defensive space buffer adjustment
Ease off the accelerator to cover the brake pedal, increasing your forward cushion and allowing smooth deceleration.
Covering the brake reduces total stopping distance while gentle brake light activation warns the tailgater behind you.

Key Concept

Defensive Hazard Anticipation and Dual-Hazard Space Cushioning
Estimated Time:1m 30s
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Topics

Defensive Driving and Hazard Anticipation

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