Road rules / 🇮🇪 signs
A sign warning of a tunnel ahead should prompt you to:
✓ ANSWER
Switch on your dipped headlights before entering
Use dipped headlights in a tunnel so you can see and be seen.
All the options
- ✓Switch on your dipped headlights before entering
- ✗Switch off your lights to avoid glare
- ✗Sound your horn in the tunnel
- ✗Overtake before the tunnel entrance
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