Traffic Signs
Special signs for goods vehicles — weight limits, bridge heights, lorry routes.
What this topic covers
Special signs for goods vehicles — weight limits, bridge heights, lorry routes. The full LGV Theory Test app contains 90 questions on this topic, drawn from the official DVSA bank.
Worked examples
Here are a few practice questions from this topic. Try answering each before reading the explanation.
Example 1
You are driving a 38 tonnes lorry on a single carriageway road. You see this sign. You may drive at up to
- A. 40 mph
- B. 50 mph ✓ correct
- C. 60 mph
- D. 70 mph
Explanation: The national speed limit for a goods vehicle exceeding 7.5 tonnes on a single carriageway road is 50 mph. A speed limit does not mean it is safe to drive at that speed. Drive according to the road conditions.
Example 2
What does this sign mean?
- A. Service area 30 miles ahead
- B. Maximum speed 30 mph
- C. Minimum speed 30 mph ✓ correct
- D. Lay-by 30 miles ahead
Explanation: This sign is shown where slow-moving vehicles would impede the flow of traffic. However, if you need to slow down to avoid an incident you should do so.
Example 3
Which of these signs means uneven road?
- A.
- B.
✓ correct - C.
- D.
Explanation: Some signs can look similar to others but each one has a different meaning. You should learn the meaning of every sign.
Example 4
Diamond-shaped signs give instructions to drivers of
- A. lorries
- B. trams ✓ correct
- C. buses
- D. tractors
Explanation: You need to show caution when driving in areas where trams operate. You may not hear their approach and they cannot change direction to avoid you. There may also be crossing points where you will need to give way to them, or areas specifically reserved for trams which you are not allowed to enter.
Get all 90 questions on this topic in the LGV Theory Test app.
