When a vehicle is stopped in a tunnel due to congestion what should a driver do?

  1. Switch off the engine.
  2. Only give hand signals.
  3. Switch on the fog lights.
  4. Keep the engine ticking over in a low gear.

Correct Answer

Switch off the engine.

Explanation: If; when driving a vehicle through a tunnel; you are halted in stationary traffic for any length of time; you should switch off the engine to reduce fumes in the tunnel and conserve fuel.

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