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What lights should you use if surface spray occurs on the motorway?

  1. High beam headlights

  2. Dipped headlights

  3. Fog lights

  4. Parking lights

The correct answer is: Dipped headlights

Using dipped headlights in conditions of surface spray on the motorway is essential for several reasons. Surface spray can reduce visibility significantly due to a thin layer of water on the road, especially during or after rain. Dipped headlights provide sufficient illumination to see the road ahead and to be seen by other road users without causing glare. High beam headlights could be overly bright and can create a blinding effect on other drivers, particularly in wet conditions where the light reflects off the water, increasing the likelihood of accidents. Fog lights are specifically designed for use in foggy conditions and may not be appropriate when the primary issue is surface water on the road, as they can also disrupt visibility for other drivers. Parking lights offer minimal illumination and are inadequate for driving in adverse weather conditions. Therefore, using dipped headlights in these situations improves safety by enhancing visibility and ensuring that others on the road can see your vehicle.