Visibility and Road Hazards
When driving through a tunnel, which lights are mandatory?
Reviewed on 9 Aug 2026
- ✓ Dipped headlights
- B Position lights only
- C None if the tunnel is lit
- D Hazard lights
Why this is the correct answer
Dipped headlights are mandatory in tunnels, as in any low-visibility situation, in order to see inside the tunnel and be seen by others.
More questions on Visibility and Road Hazards
- In which case is the use of the rear fog light mandatory?
- When may the front fog light be used?
- In reduced-visibility conditions, what should the safety distance to the vehicle ahead be?
- With visibility limited by fog, which lane is preferable on a multi-lane road?
- In poor-visibility conditions, what kind of manoeuvres should be avoided?
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