Practice question

What does a circular sign with a red border containing a silhouette of a horn crossed by a red diagonal line mean?

  1. Use your horn to warn other drivers
  2. Silent zone; sounding your horn is prohibited except to avoid an accident
  3. The vehicle's horn is faulty
  4. Sounding your horn is mandatory at this intersection

Answer: B — Silent zone; sounding your horn is prohibited except to avoid an accident

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