Your student is driving on a road that has double solid white lines in the middle of the road. When are they allowed to cross these lines to overtake?
- A To pass a queue of traffic at a junction
- B To pass a car signalling to turn left ahead
- C To pass a road maintenance vehicle travelling at 10 mph or less
- D To pass a vehicle towing a trailer
Why this is the answer
If it's safe to do so, your student may cross a solid white line to pass a road maintenance vehicle, bicycle or horse, if they're travelling at 10 mph (16 km/h) or less. When safe, they may also cross the solid line to enter a side road, access a property or pass a stationary vehicle.
Why the other answers don't fit
- A
- To pass a queue of traffic at a junction — A queue at a junction is not one of the exceptions.
- B
- To pass a car signalling to turn left ahead — A car signalling left is not slow enough to qualify unless it is under 10 mph.
- D
- To pass a vehicle towing a trailer — Towing a trailer does not by itself make a vehicle slow enough.
Where this comes from
- Driving: the essential skills — section 6
- The Highway Code — rule 128 , rule 129 , page 134
- Know Your Traffic Signs — page 76
Rule numbers link to The Highway Code on gov.uk.
Where this question comes from
The question, its options and the explanation are reproduced word for word from the DVSA revision question bank under licence. The licence requires them to appear unaltered, so we cannot reword them and neither can anyone else — that is why you will meet the same wording on other sites. Everything else on this page is written by Theory Hub: the explanation of why each wrong answer is wrong, the topic guide and the revision notes.
Asked in: Driving Instructor (ADI Part 1)
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