What should a driver do when driving in dense fog?

  1. Reduce speed and use dipped headlights.
  2. Drive along the hard shoulder and watch for the reflective markers.
  3. Reduce speed and use full headlights.
  4. Drive along the central dividing line and watch for the reflective markings.

Correct Answer

Reduce speed and use dipped headlights.

Explanation: In dense fog you should reduce your speed and use dipped headlights and fog lights (where fitted). Sidelights are not strong enough in fog; and full headlights can reflect off the fog and make it harder to see where you are going.

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