You can see about 120 metres ahead in fog. Which lighting choice follows the Highway Code best?
Answer and explanation
Correct answer: A. Use dipped headlights, and fog lights are not yet needed
- Step 1: The Highway Code ties fog lights to visibility of less than about 100 m. Step 2. At 120 m, visibility is not seriously reduced by that measure, but dipped headlights help others to see you. Answer: Use dipped headlights, and fog lights are not yet needed. Why not the others: Fog lights apply below 100 m, sidelights alone are too dim, and full beam reflects off fog.
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