As a rule of thumb, the more paint there is, the more important the message. Solid lines are stricter than broken ones.
Lines along the road
- Broken centre line: marks the middle of the road; you may cross it with care, for example to overtake.
- Longer broken line (hazard warning line): a hazard ahead such as a bend or junction — don't cross unless it's clear.
- Double white lines, solid on your side: you must not cross or straddle it, except to pass a stationary obstruction or turn into a property.
- Edge lines: mark the edge of the carriageway.
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Areas and junctions
- Hatched / diagonal stripes: separate traffic. Bordered by a solid line, don't enter; by a broken line, only enter if necessary and safe.
- Box junction (yellow criss-cross): don't enter until your exit is clear — except when turning right and only held up by oncoming traffic.
- Give way lines: double broken lines across your lane mean give way to traffic on the major road.
- Stop line: a solid line where you must stop at a STOP sign or red light.
Yellow lines and zigzags
- Single yellow line: waiting restrictions at certain times (check nearby signs). Double yellow: no waiting at any time.
- Zigzag lines: at pedestrian crossings (no stopping or overtaking) and outside schools (keep clear).
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