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Total Questions 62
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Vehicle weights and dimensions

What type of fastening or restraint should you use when carrying a load of steel?

You're driving an articulated lorry on a narrow road. There's a left-hand bend ahead. Why may you need to move out before driving around the bend?

You're driving a long vehicle on a two-lane road. What should you do if you want to turn left into a narrow side road?

What type of road surface will increase your stopping distance by up to ten times?

In England and Wales, what's the national speed limit on a single carriageway road for a rigid lorry with a maximum authorised mass of more than 7.5 tonnes?

In which of these places might there be a restriction on vehicles over a certain length?

What does this sign mean?

www.drivingtheorytest.uk - Vehicle weights and dimensions - What does this sign mean? Always be aware of the height of the vehicle you're driving, particularly if you drive different vehicles. If you use a sat-nav, it may show you the height and weight limits on UK roads.

What markings should be fitted to a lorry with a maximum authorised mass of more than 7500 kg?

When should you allow for the effects of a speed limiter?

How far can a load overhang at the rear before you must use projection marker boards?

You're driving a lorry with a maximum authorised mass of more than 7.5 tonnes. What's the national speed limit for your vehicle on a dual carriageway in England and Wales?

Where are you most likely to ground a low loader?

What do bells hanging across the road warn drivers of?

www.drivingtheorytest.uk - Vehicle weights and dimensions - What do bells hanging across the road warn drivers of? If your vehicle touches bells suspended over the road, they'll obviously ring. This will warn you that your vehicle exceeds the safe travelling height beneath electrified overhead cables ahead. You must stop immediately and either find another route or take advice.

You're driving on a motorway and you see this sign. What does it mean?

www.drivingtheorytest.uk - Vehicle weights and dimensions - You're driving on a motorway and you see this sign. What does it mean? Look out for variable-message warning signs telling you about
• lane closures
• speed limits
• hazards.
When you're clear of the restriction, you'll see a sign telling you that it has ended.

You're driving a long vehicle. What should you do when you want to turn right at a painted mini-roundabout?

By how much can your stopping distance increase in icy weather?

You're driving a lorry with a maximum authorised mass of more than 7.5 tonnes along a three-lane motorway. When may you use the right-hand lane?

How wide can a load be before you must use side markers?

You're driving a large vehicle in a straight line. When is it most stable?

What effect could a load of hanging meat carcasses cause when you drive around corners or bends?

You're scheduled to make a delivery. You arrive at your destination during the morning rush hour. The road is edged with double red lines. What do they mean?

You're the driver of an articulated car transporter. How will the overhanging top deck move as you turn corners?

What does this sign warn of?

www.drivingtheorytest.uk - Vehicle weights and dimensions - What does this sign warn of? If you're driving a high vehicle, make sure that there's enough headroom available for you to go through the tunnel. There may be additional signs showing height and width restrictions.

Triangular projection markers are required when your load is wider than 2.9 metres (9 feet 5 inches). What colour are these markers?

When must you notify telephone companies that you're moving a high load?

What does this temporary sign mean for drivers of vehicles over 7.5 tonnes maximum authorised mass?

www.drivingtheorytest.uk - Vehicle weights and dimensions - What does this temporary sign mean for drivers of vehicles over 7.5 tonnes maximum authorised mass? Lanes at roadworks often have weight restrictions to keep larger vehicles in the left-hand lane. The lanes through the roadworks are often narrow and therefore not wide enough for large vehicles to pass each other safely.
Always look for restriction signs at roadworks. They're usually placed well in advance to give you time to move safely into the correct lane in good time.

What colour are the markings on the rear of lorries over 7.5 tonnes maximum authorised mass?

What does this sign mean?

www.drivingtheorytest.uk - Vehicle weights and dimensions - What does this sign mean? As well as a height restriction, the tunnel may have a restriction on the available width of headroom for high vehicles. The advance warning gives you the opportunity to find another route if your vehicle is too high or wide to drive through the tunnel.

You're driving a lorry carrying a load that's 4.5 metres (14 feet 9 inches) wide. What's the maximum speed you're allowed to drive on a motorway?

When should you consider the effect a speed limiter will have on your vehicle?

When would the driver of a car transporter need to be most aware of the front overhang of the trailer?

The height of your vehicle is 4.2 metres (14 feet). What should you do as you approach this bridge?

www.drivingtheorytest.uk - Vehicle weights and dimensions - The height of your vehicle is 4.2 metres
(14 feet). What should you do as you approach this bridge? The headroom under bridges in the UK is at least 5 metres (16 feet 6 inches) unless marked otherwise. However, this might refer only to the highest point of an arch.
If your vehicle hits a bridge, you must report the incident to the police. If a railway bridge is involved, you must also report it to the railway authority.

What does this sign mean?

www.drivingtheorytest.uk - Vehicle weights and dimensions - What does this sign mean? You must always be aware of the size of your vehicle. Look out for road signs that show a width restriction. There should be an indication of this at the entrance to the road.
Don't get into a situation where you have to reverse out of a narrow road because you haven't seen a sign.

What should be your main concern as you approach this sign?

www.drivingtheorytest.uk - Vehicle weights and dimensions - What should be your main concern as you approach this sign? At hump bridges, there's a risk of long vehicles grounding. If you aren't sure whether the floor of your vehicle will clear the bridge, find another route.

What does this sign mean?

www.drivingtheorytest.uk - Vehicle weights and dimensions - What does this sign mean? 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.

What warning does the driver of a petrol tanker have that 'rear wheel lift' is about to become 'roll-over'?

What does this road sign mean?

www.drivingtheorytest.uk - Vehicle weights and dimensions - What does this road sign mean? It's essential that all limits are complied with to avoid breaking the law and facing possible prosecution. Weight restrictions normally apply to the plated weight of a vehicle, often referred to as the maximum authorised mass (MAM).

Who must you tell when your vehicle collides with a bridge?

Where must the repair of a speed limiter be carried out?

When this vehicle transporter turns, how will the overhanging top deck move?

www.drivingtheorytest.uk - Vehicle weights and dimensions - When this vehicle transporter turns, how will the overhanging top deck move? As the top deck is longer than the cab and trailer, it will take up more room as the vehicle turns; you must make sure that you've allowed for the wider swing of the deck. Even if your cab is well clear, the overhanging deck could hit obstructions such as telegraph poles or traffic signs as you go round a corner.

What does this sign mean?

www.drivingtheorytest.uk - Vehicle weights and dimensions - What does this sign mean? It's essential to know the height of your vehicle before setting off. This should be clearly marked, usually in the cab, and visible from the driving position. Look out for restrictions that you may not have seen on a map - they may be temporary.

You're driving a large vehicle on a narrow road with passing places. What will you need to be most aware of?

What's the speed limit on a dual carriageway when you're carrying a load that's 4.5 metres (14 feet 9 inches) wide?

Where can you park large vehicles at night without needing to use parking lights?

What does this sign mean?

www.drivingtheorytest.uk - Vehicle weights and dimensions - What does this sign mean? Always look out for road signs, but be especially aware of those that refer to large or heavy vehicles. Get into the habit of checking for signs at junctions. There might be an indication on the junction layout sign. Before you turn, make sure that the road you're using doesn't have any restrictions for the vehicle you're driving.

Your vehicle has collided with a railway bridge. What information must you give the railway authority when you telephone them?

At this roundabout, you want to take the fourth exit. What limit is in force on this road?

www.drivingtheorytest.uk - Vehicle weights and dimensions - At this roundabout, you want to take the fourth exit. What limit is in force on this road? Look out for signs giving you advance warning of height restrictions. As a professional driver, you should always know the height of your vehicle or load. If you aren't sure of the safe height, stop and check.

What should you check when you've just overtaken a motorcyclist on a motorway?

Which axle configuration is most effective at preventing petrol tankers from rolling over?

Why do many drivers park at overnight stops with their rear doors close to another lorry?

How should you secure an ISO steel cargo container onto your vehicle or trailer?

When must you take extra care if you're driving a vehicle more than 3.0 metres (10 feet) high?

Your vehicle is more than 3 metres (9 feet 10 inches) high. Where is this information displayed?

Unless otherwise shown, what's the minimum headroom under bridges in the UK?

You're driving a low loader and you see this sign. What's your main concern at this hazard?

www.drivingtheorytest.uk - Vehicle weights and dimensions - You're driving a low loader and you see this sign. What's your main concern at this hazard? You have a responsibility to be aware of the dimensions of your vehicle, including ground clearance. When planning your route, you'll have to consider whether the roads you intend to use have any limits that would apply to your vehicle, such as
• weight
• length
• height
• ground clearance.

What should you consider when planning a route for your journey?

What's the maximum speed allowed for a vehicle towing a trailer on a motorway?

What does this motorway sign mean?

www.drivingtheorytest.uk - Vehicle weights and dimensions - What does this motorway sign mean? Warning lights show when there's danger ahead. This includes
• lane closures
• incidents
• fog
• icy roads.

You're driving a vehicle that's over 17 metres (55 feet) long. What should you do at a level crossing?

Where can the axle weight limits be found?

What's the minimum height of an unmarked bridge?

What does this sign mean?

www.drivingtheorytest.uk - Vehicle weights and dimensions - What does this sign mean? You need to know the length of your vehicle as well as its weight, height and width. Places where the length of your vehicle may be relevant are
• road tunnels
• level crossings
• ferries
• bridges.

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