What does this sign mean?
- A Hump bridge
- B Risk of grounding
- C Uneven road
- D Road liable to subsidence
Why this is the answer
If you see this sign, be aware that there's a danger of grounding. This can happen where there's a pronounced bump in the road, such as at a level crossing or a hump bridge.
Why the other answers don't fit
- A
- Hump bridge — A hump bridge shows an arch, and the concern there is the crest.
- C
- Uneven road — An uneven road is shown by a broken surface symbol.
- D
- Road liable to subsidence — Subsidence has its own warning sign.
Where this comes from
- Driving Buses and Coaches — section 3, section 6
- Driving Goods Vehicles — section 3, section 6
- The Highway Code — page 129
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: Lorry & Bus (LGV/PCV)
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