Correct answer
At least 1.5 metres in both cases.
At least 1.5 metres, without creating danger. Occupy part or all of the adjacent or opposing lane; where there is more than one lane per direction, a complete lane change is mandatory. Outside built-up areas, before starting and throughout the manoeuvre, travel at least 20 km/h below the road limit. Do not overtake if doing so endangers or obstructs oncoming users. The current rule does not limit this clearance to overtaking outside built-up areas.
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At least 1.5 metres only outside built-up areas; no minimum applies within them.
At least 1.5 metres in both cases.
It may be less than 1 metre if overtaking slowly.
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