Question

Difficulty: MediumDefensive Driving and Hazard Anticipation

You are driving in the right-hand lane of a multi-lane city street approaching an intersection with a solid green traffic signal. In the adjacent left lane, a large box truck slows down and comes to a complete stop just before the crosswalk. Which of the following is the safest defensive driving action to take?

  1. Slow down and prepare to stop before the crosswalk, anticipating that a pedestrian may be crossing in front of the stopped truck.Answer
  2. B
    Maintain your posted speed and proceed through the intersection since your lane has a solid green light.
  3. C
    Accelerate quickly past the truck to clear the intersection before any potential hazard enters your lane.
  4. D
    Sound your horn continuously while maintaining speed to alert others that you have the right-of-way.

Answer

Slow down and prepare to stop before the crosswalk, anticipating that a pedestrian may be crossing in front of the stopped truck.
When an adjacent vehicle stops unexpectedly at an intersection crosswalk, defensive drivers anticipate that it is yielding to a pedestrian hidden by the vehicle's profile. Decelerating and preparing to stop provides the necessary sight time and braking distance to avoid a collision.

Step-by-Step Solution

1
Identify visual occlusion
Recognize that the large truck in the adjacent lane blocks your view of the crosswalk ahead.
Large vehicles create blind zones where pedestrians or cyclists may not be visible.
2
Analyze vehicle behavior
Deduce why the adjacent vehicle has stopped despite a green light.
An unexpected stop by an adjacent vehicle at a crosswalk strongly indicates it is yielding to a pedestrian.
3
Select defensive response
Reduce speed and cover the brake to yield if necessary.
Slowing down preserves safe stopping distance in case a pedestrian steps into your lane.

Key Concept

Defensive Driving and Hazard Anticipation
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