What should a driver do if there is very heavy traffic congestion in a tunnel?

  1. Stop at the nearest emergency exit.
  2. Switch on hazard warning lights.
  3. Leave the vehicle.
  4. Keep close to the vehicle in front.

Correct Answer

Switch on hazard warning lights.

Explanation: If there is traffic congestion in a tunnel; you should switch on hazard lights and remain patient. Keep a safe distance from the vehicle in front even in slow-moving traffic. Listen for traffic messages on the tunnel radio station; if available.

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