Correct answer
Equal to or greater than 70 metres.
R-300 requires a gap of at least the displayed 70 metres. It is not limited to following a car and does not set a maximum gap. Increase the margin when conditions require it to stop safely, and observe any other applicable minimum. The overtaking-intention exception does not apply to this question.
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Equal to or less than 70 metres.
70 metres, but only if driving behind a car.
Equal to or greater than 70 metres.
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