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Difficulty: MediumDriving in Adverse Weather and Low Visibility

While driving on a multi-lane highway during a heavy rainstorm at dusk, a large commercial truck directly ahead generates a heavy cloud of water spray that severely restricts your forward visibility. Which action should you take to safely manage this hazard?

  1. Increase your following distance beyond the standard four seconds and ensure your low-beam headlights are illuminated.Answer
  2. B
    Activate your high-beam headlights to penetrate through the water spray and illuminate the road further ahead.
  3. C
    Decrease your following distance to closely follow the truck's tire tracks where water accumulation is reduced.
  4. D
    Maintain the maximum posted speed limit while pumping your brakes continuously to keep the brake pads dry.

Answer

Increase your following distance beyond the standard four seconds and ensure your low-beam headlights are illuminated.
Increasing following distance provides essential reaction time when visibility is obscured by vehicle spray, and low-beam headlights improve visibility without causing blinding reflection.

Step-by-Step Solution

1
Assess the environmental and visibility hazards caused by heavy rain spray and dusk conditions.
Identify that forward visibility and stopping distances are significantly compromised.
Water spray from heavy vehicles creates a dense vapor wall while rain reduces tire traction.
2
Adjust vehicle lighting for low visibility.
Switch on low-beam headlights to enhance vehicle visibility to others without creating blinding glare.
Low beams direct light down toward the pavement rather than reflecting off airborne moisture.
3
Adjust speed and spatial buffer relative to the lead vehicle.
Ease off the accelerator to expand following distance to 4–5 seconds or more.
A greater safety buffer compensates for increased stopping distances on wet roads and poor sight distance.

Key Concept

Driving in Adverse Weather and Low Visibility
Estimated Time:1m 0s
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Topics

Driving in Adverse Weather and Low Visibility

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