Rule 127
A broken white line. This marks the centre of the road. When this line lengthens and the gaps shorten, it means that there is a hazard ahead. Do not cross it unless you can see the road is clear and wish to overtake or turn off.
SteerTogether · Official English reference
Read rule 127
General driving rules: rules 103–158
Study signals, vehicle control, speed, stopping distances, lane markings and attention while driving.
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