Practice question

What does a triangular warning sign with a red border depicting a steep downward road slope with the percentage '10%' indicate?

  1. Steep hill downwards (Descida Perigosa / A3a): drivers must prepare for increased braking distances and use engine braking
  2. Steep hill upwards where heavy acceleration is mandatory
  3. Road gradient ending in a water ferry terminal
  4. Maximum speed limit of 10 km/h

Answer: A — Steep hill downwards (Descida Perigosa / A3a): drivers must prepare for increased braking distances and use engine braking

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