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BDifficulty 2/5

What number-plate reading distance, with normal eyesight, does the regulation use to define an insufficiently lit road?

Correct answer

10 metres.

10 metres. A road is insufficiently lit if, at some point on its carriageway with normal eyesight, a number plate cannot be read at 10 metres or a dark vehicle cannot be distinguished at 50 metres. These are separate criteria; 50 metres refers to the vehicle, not reading its plate.

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  • 50 metres.

  • 100 metres.

  • 10 metres.

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