Practice question

What does a triangular warning sign with a steep descent percentage (e.g. '12%') and a truck icon mean?

  1. Steep mountain grade descent ahead; commercial heavy vehicles must shift to low gear before starting downhill
  2. Truck racing hill climb ahead
  3. Truck parking lot 12 kilometres ahead
  4. Fuel station with 12% discount for trucks

Answer: A — Steep mountain grade descent ahead; commercial heavy vehicles must shift to low gear before starting downhill

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