Lighting and Optical Signals
Is it mandatory to switch on the lighting when passing through a tunnel?
- A No, if the tunnel is lit
- B Only if the tunnel is over 500 metres long
- ✓ Yes, whenever driving through a tunnel or underpass
- D No, daytime running lights are enough
Why this is the correct answer
In tunnels, underpasses, and stretches signposted as such it is mandatory to switch on the lighting, since natural light suddenly disappears and visibility is reduced.
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