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C1Difficulty 3/5

A lorry with a MAM exceeding 3,500 kg travels through an underpass without intending to overtake. What specific minimum separation from the vehicle ahead does the regulation set?

Correct answer

At least 150 metres or a minimum interval of six seconds.

At least 150 metres or a minimum interval of six seconds under Article 95.6. Vehicles with a MAM not exceeding 3,500 kg, including exactly 3,500 kg, must keep at least 100 metres or four seconds. Also keep a gap allowing a stop without collision if the vehicle ahead brakes suddenly; conditions may require more. This case describes moving traffic rather than being stationary in a queue.

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  • Only 50 metres in every case.

  • 100 metres or four seconds because the MAM exceeds 3,500 kg.

  • At least 150 metres or a minimum interval of six seconds.

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