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Difficulty: MediumMotorcyclists

You are driving behind a motorcyclist on a wet road containing metal drain covers and painted road markings. Which TWO of the following should you anticipate?

  1. The rider may suddenly change road position or swerve to avoid slippery surfacesAnswer
  2. B
    The rider will accelerate firmly over painted markings to prevent wheel slip
  3. The rider may need to brake earlier and more progressively than in dry weatherAnswer
  4. D
    The rider will hug the left-hand kerb continuously to let following traffic pass

Answer

The rider may suddenly change road position or swerve to avoid slippery surfaces, and the rider may need to brake earlier and more progressively than in dry weather.
On wet roads, metal drain covers and painted road markings become extremely slick. Motorcyclists often need to adjust their path or swerve to avoid riding directly over these hazards. Furthermore, reduced road adhesion requires them to brake earlier, smoothly, and over greater distances. Drivers following behind should stay alert, anticipate these movements, and leave at least double the normal separation distance.

Step-by-Step Solution

1
Analyze the impact of wet weather on motorcyclist traction across different surface textures.
Painted road markings and metal drain covers have very low grip when wet.
Motorcycles rely on two small contact patches, making them especially vulnerable to slipping on smooth or metallic surfaces.
2
Determine the necessary riding adjustments the motorcyclist will make to stay safe.
The motorcyclist will adjust their road position around slippery patches and begin braking much earlier and more gently.
Sudden manoeuvres or harsh braking on low-grip surfaces can cause loss of control and a fall, requiring following drivers to leave extra space and anticipate course corrections.

Key Concept

Vulnerability of motorcyclists to wet road surfaces and the need for increased following distance and anticipation
Estimated Time:1m 0s
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Motorcyclists

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