Road and traffic signs questions LGV theory test
This topic has 84 practice questions. Here are 10 of them with the right answer and why.
You're driving a lorry with a maximum authorised mass of 38 tonnes on a single carriageway road in England. What's the speed limit for your vehicle after passing this sign?
- 40 mph
- 50 mphRight answer
- 60 mph
- 70 mph
The national speed limit for a goods vehicle exceeding 7.5 tonnes on a single carriageway road in England and Wales is 50 mph. In Scotland, the limit is 40 mph. The national speed limit varies for different vehicle categories. You must know the limit that applies to the vehicle you're driving.
You're driving a laden articulated lorry with a maximum authorised mass of 38 tonnes on a dual carriageway in England. What speed limit applies to your vehicle after passing this sign?
- 40 mph
- 50 mph
- 60 mphRight answer
- 70 mph
60 mph may be the legal speed limit for a goods vehicle on a dual carriageway in England and Wales, but it does not mean that it's safe to drive at that speed. You should always take into account the road, weather and traffic conditions, and maintain safety margins.
You're driving an articulated lorry. What should you do when you see this sign?
- Turn round and find an alternative route
- Park safely and arrange alternative transport for the goods
- Inform your vehicle operator and await further instructions
- Drive past the sign because it does not apply to youRight answer
The sign prohibits buses and coaches with more than 8 passenger seats and so does not apply to you.
Which of these signs means you cannot drive your lorry past this point?
Right answer
No motor vehicles are allowed past this sign. Although a motorcycle and car are shown, the restriction applies to all motor vehicles.
You're driving a lorry 30 feet long and towing a trailer 15 feet long. What should you do when you see this sign?
- Find an alternative route to your destinationRight answer
- Stop and wait for a police escort
- Continue past the sign but reduce your speed
- Carry on; the sign applies to the towing vehicle only
The maximum permitted length of vehicle includes any trailer being towed. Make sure you know the total length of your vehicle.
You're driving a lorry that's carrying a heavy load. What should you be prepared to do when you see this sign ahead?
- Brake to a lower speed
- Change to a higher gear
- Stop to check your load
- Change to a lower gearRight answer
A heavy vehicle will lose speed when climbing a steep hill. Changing to a lower gear will help you to maintain an appropriate speed.
You're on a motorway. Your lorry has a maximum authorised mass of more than 7.5 tonnes. What does this sign mean to you?
- You must not use the right-hand laneRight answer
- You can only use the right-hand lane
- You cannot leave the motorway at this junction
- You can use the middle or right-hand lane
At motorway roadworks, some lanes may be narrower than normal and large vehicles may not be allowed to use those lanes. Look for weight-limit signs to check for any lanes that you cannot use. Move to the appropriate lane in good time.
What's the national speed limit on a motorway for a lorry weighing over 7.5 tonnes?
- 50 mph (80 km/h)
- 55 mph (88 km/h)
- 60 mph (96 km/h)Right answer
- 70 mph (112 km/h)
Be aware of, and obey, all speed limits. On a motorway, any lorry that's articulated, towing a trailer, or over 7.5 tonnes must not exceed 60 mph (96 km/h).
When must these 2 signs be used?
- When you're carrying a load that overhangs the front or rear of the vehicle by more than 1 metre (3 feet 3 inches)
- Whenever your vehicle is being towed
- Whenever a police escort is required
- When you're carrying a load that overhangs the front or rear of the vehicle by more than 2 metres (6 feet 6 inches)Right answer
The law requires you to use projection markers for long or wide loads. It's the driver's responsibility to keep the markers clean and securely fixed. They must also be independently lit at night.
You're driving a lorry weighing more than 7.5 tonnes on a motorway. What does this sign mean?
- Maximum speed 40 mph
- Maximum speed 50 mph
- Maximum speed 60 mphRight answer
- Maximum speed 70 mph
The maximum speed for lorries over 7.5 tonnes maximum authorised mass on a motorway is 60 mph. However, it may not always be appropriate or possible to drive at this speed, because of the weather, volume of traffic and other factors.