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CDifficulty 3/5

Inside a tunnel, what minimum safety interval must you keep from the vehicle in front of your lorry, weighing more than 3,500 kg MAM, which you do not intend to overtake?

Correct answer

six seconds.

A minimum interval of six seconds, or a distance of at least 150 metres, when not intending to overtake in a vehicle with a MAM exceeding 3,500 kg. Article 95.6 requires at least 100 metres or four seconds for other vehicles, including those with a MAM of exactly 3,500 kg. Increase the gap when conditions require and obey tunnel signs; this is not the situation of a stationary queue.

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  • four seconds.

  • three seconds.

  • six seconds.

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