Correct answer
At least 150 metres, or a minimum interval of 6 seconds.
At least 150 metres or a minimum six-second interval. For vehicles with a MAM no greater than 3,500 kg, including exactly that mass, it is at least 100 metres or four seconds. These minima do not replace the gap needed to stop without collision for speed, grip and braking, or tunnel instructions. The question is not about vehicles stopped in a queue.
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At least 150 metres, or a minimum interval of 6 seconds.
At least 100 metres, or a minimum interval of 6 seconds.
At least 150 metres, or a minimum interval of 4 seconds.
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