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QuizTraffic rulesUnited Kingdom

This interesting quiz helps you test your knowledge in a clear and visual way. With easy multiple-choice questions, you can quickly build confidence and learn new facts while keeping it simple, interactive, and fun.

Traffic signs
Traffic rules
United Kingdom
True/false 17 United Kingdom 32 Car controls 109 Dashboard lights 40 Priority rules 9 Pedestrians 19 Cyclists 20 Show all 599
What does this dashboard symbol indicate?

351. What does this dashboard symbol indicate?

Power-steering warning.
Electronic stability control.
Engine-management warning.
✓ Low tyre pressure.

This symbol indicates that one or more tyres may have low pressure. Check the tyre pressures and inspect the tyres for damage or a puncture.

Tyre-pressure warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why must a roof load be securely attached?

352. Why must a roof load be securely attached?

✓ It could shift or fall and create a serious hazard.
To stop the roof rack from increasing fuel consumption.
Because the roof will hold the load in place while driving.
Because light roof loads cannot be affected by the wind.

A roof load is exposed to strong airflow and movement. It must be restrained correctly and kept within the permitted limits.

Load secured to a vehicle's roof
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you never reverse or make a U-turn inside a tunnel unless directed?

353. Why should you never reverse or make a U-turn inside a tunnel unless directed?

Reversing can interfere with the tunnel lighting.
Tunnel ventilation works only in the normal direction of travel.
✓ It can cause a serious collision with approaching traffic.
A U-turn can confuse the tunnel's traffic monitoring system.

Other drivers may not expect a vehicle to reverse or turn around. Only change direction when instructed by police or tunnel staff.

Vehicle manoeuvring inside a road tunnel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How can unnecessary weight affect a vehicle's energy use?

354. How can unnecessary weight affect a vehicle's energy use?

It always reduces fuel consumption.
✓ It can increase the energy needed to move the vehicle.
It improves braking efficiency.
It makes the vehicle easier to accelerate.

Extra weight generally requires more energy when accelerating and climbing. Removing unnecessary heavy items can help reduce fuel or energy consumption while keeping all essential equipment in the vehicle.

Extra luggage adding weight to a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the windscreen wipers stop working during heavy rain?

355. What should you do if the windscreen wipers stop working during heavy rain?

Use the washer fluid repeatedly to clear the windscreen.
Follow another vehicle closely so you can see its lights.
✓ Reduce speed and stop in a safe place as soon as possible.
Continue slowly using the hazard lights.

Do not continue when you cannot see clearly. Slow down smoothly and stop somewhere protected from traffic.

Windscreen wipers failing during heavy rain
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if a large animal suddenly enters your path?

356. What should you do if a large animal suddenly enters your path?

Swerve sharply into another lane.
✓ Brake firmly while keeping control of the vehicle.
Release the steering wheel and brake hard.
Turn suddenly toward the roadside.

If a large animal enters the road, brake firmly while keeping the vehicle under control. Avoid sudden swerving, as this can cause you to lose control or collide with other traffic.

Large animal entering a vehicle's path
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you wear suitable footwear when driving?

357. Why should you wear suitable footwear when driving?

So the pedals require less force to operate.
So the clutch cannot wear out.
✓ So you can operate the pedals accurately and safely.
So the vehicle uses less fuel.

Suitable footwear helps you operate the accelerator, brake, and clutch accurately. Loose, bulky, or slippery footwear can interfere with pedal control or become caught around the pedals.

Driver's footwear and contact with the pedals
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You should check your mirrors before changing lanes.

358. You should check your mirrors before changing lanes.

✓ True.
False.

Checking your mirrors helps you see surrounding traffic before moving into another lane.

Driver checking a mirror before changing lanes
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you expect when lanes become narrower in roadworks?

359. What should you expect when lanes become narrower in roadworks?

✓ Less space between your vehicle, barriers, and other traffic.
Large vehicles must stop before entering the narrow section.
Temporary lane markings no longer need to be followed.
The speed limit automatically increases.

Narrow lanes leave less room for error. Keep a steady position, avoid drifting toward barriers or nearby vehicles, and reduce speed if necessary.

Narrow traffic lanes through roadworks
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What makes up the total stopping distance of a vehicle?

360. What makes up the total stopping distance of a vehicle?

Reaction distance and following distance.
Tyre distance and braking distance.
Visibility distance and reaction distance.
✓ Reaction distance and braking distance.

The total stopping distance consists of the distance travelled while the driver reacts to a hazard plus the distance travelled while the vehicle is braking to a stop.

Reaction and braking distances before a vehicle stops
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you remove dark sunglasses before entering a tunnel?

361. Why should you remove dark sunglasses before entering a tunnel?

✓ Your eyes need to adjust to the lower light level.
To prevent the automatic lights from switching on.
To prevent the lenses from reflecting tunnel lights.
To make the vehicle headlights work more effectively.

Dark sunglasses reduce the amount of light reaching your eyes and can make hazards inside a tunnel harder to see.

Driver removing sunglasses before entering a tunnel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why must luggage or other objects not obstruct the driver's view?

362. Why must luggage or other objects not obstruct the driver's view?

✓ They can hide hazards and reduce the driver's ability to see safely.
They can make the steering heavier.
They can increase the vehicle's braking distance.
They can increase tyre pressure.

The driver must have a clear view of the road and surroundings. Luggage, decorations, or other objects that obstruct the windscreen, windows, or mirrors can hide pedestrians, cyclists, vehicles, signs, or other hazards.

Luggage obstructing the driver's view
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does pulling the lighting stalk towards you normally do?

363. What does pulling the lighting stalk towards you normally do?

Activate the hazard warning lights.
Switch on the front fog lights.
Activate the direction indicators.
✓ Flash the main-beam headlights.

Pulling the lighting stalk towards you normally flashes the main-beam headlights. This briefly illuminates the main beam while the stalk is held or operated.

Lighting stalk used to flash the main-beam headlights
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

364. What does this dashboard symbol indicate?

Rear fog lights.
✓ Hazard warning lights.
Emergency braking.
Direction indicators.

This symbol indicates the hazard warning lights. When activated, all direction indicators flash simultaneously to warn other road users of a hazard or unusual situation.

Hazard warning light symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the clutch biting point?

365. What is the clutch biting point?

The point where the clutch pedal is fully pressed.
The point where the engine switches off.
✓ The point where the clutch begins to transmit power to the wheels.
The point where the parking brake releases.

The clutch biting point is reached as the clutch pedal is released and the clutch begins to transmit power from the engine to the transmission. Controlling this point helps the driver move off smoothly.

Clutch-pedal control when moving off
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when approaching a narrow road with oncoming traffic?

366. What should you do when approaching a narrow road with oncoming traffic?

Maintain your speed if there appears to be enough room.
✓ Slow down and give space when needed.
Continue first if you entered the narrow section earlier.
Move closer to the road edge without reducing speed.

On narrow roads, reduce speed and be prepared to stop or use a suitable passing place. Leave enough space for the oncoming vehicle and avoid forcing either vehicle into an unsafe position.

Oncoming vehicles approaching a narrow stretch of road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when roadworks are ahead?

367. What should you do when roadworks are ahead?

✓ Slow down and follow the temporary signs.
Ignore temporary signs if permanent signs are still visible.
Use your horn to warn road workers that you are approaching.
Maintain normal speed if your lane remains open.

Roadworks can create narrow lanes, workers near traffic, uneven surfaces, and temporary rules. Slow down and follow the signs.

Roadworks and temporary traffic signs ahead
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you check after fitting a wheel?

368. What should you check after fitting a wheel?

That the wheel can move slightly on the hub.
✓ That the wheel nuts are tightened correctly.
That the wheel nuts are covered by the trim.
That the tyre is touching the wheel arch.

After fitting a wheel, make sure the wheel nuts are tightened correctly using the manufacturer's specified procedure and torque. Incorrectly tightened wheel nuts can loosen or damage the wheel. Recheck them later if the vehicle or wheel manufacturer recommends it.

Checking wheel nuts after fitting a wheel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before reversing your vehicle?

369. What should you do before reversing your vehicle?

Check behind only after you start moving.
Rely on the reversing camera if one is fitted.
✓ Check all around and make sure it is safe.
Check the mirrors and reverse if they appear clear.

Before reversing, check all around the vehicle, including blind spots, for pedestrians, cyclists, vehicles, and other hazards. Reverse slowly and keep checking as you move.

Vehicle preparing to reverse from a driveway
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid keeping the clutch pedal pressed while driving?

370. Why should you avoid keeping the clutch pedal pressed while driving?

It increases tyre pressure.
It locks the steering.
✓ It reduces engine braking and vehicle control.
It applies the parking brake.

Keeping the clutch pedal pressed while the vehicle is moving disconnects the engine from the transmission. This reduces engine braking and can reduce your control of the vehicle.

Clutch held down while a vehicle is moving
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which vehicles are especially vulnerable to strong crosswinds?

371. Which vehicles are especially vulnerable to strong crosswinds?

Low, heavily loaded vehicles.
✓ High-sided vehicles such as trucks, buses, and vans.
Vehicles with full fuel tanks.
Electric vehicles.

High-sided vehicles can be pushed sideways because of their large side area. Cyclists and motorcyclists can also be strongly affected by sudden gusts.

High-sided vehicle exposed to crosswinds
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

372. What does this dashboard symbol indicate?

Lane-departure warning.
Electronic stability control.
✓ Parking assistance.
Adaptive cruise control.

This symbol relates to the vehicle's parking assistance system. Depending on the vehicle, the system may use sensors or cameras to detect obstacles and assist the driver while parking.

Parking-assistance symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You should stay focused on the road and avoid unnecessary distractions.

373. You should stay focused on the road and avoid unnecessary distractions.

False.
✓ True.

Distractions reduce awareness and reaction time, making driving more dangerous.

Driver keeping attention on the road ahead
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should cyclists brake on a wet road?

374. How should cyclists brake on a wet road?

Use only one brake to avoid skidding.
Brake normally because wet roads do not affect grip.
Brake sharply once you are close to stopping.
✓ Brake earlier and more gradually than usual.

Wet surfaces reduce grip and increase stopping distance. Smooth, early braking helps prevent skidding.

Cyclist braking on a wet road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if animals are gathered beside a narrow rural road?

375. What should you do if animals are gathered beside a narrow rural road?

Sound your horn so the animals move away.
Maintain speed because the animals are beside the road.
✓ Reduce speed and pass only when there is enough space.
Use the opposite lane without checking.

Animals beside a narrow road may step into your path. Slow down and leave as much safe space as possible.

Animals gathered beside a narrow rural road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How can alcohol affect your driving ability?

376. How can alcohol affect your driving ability?

It improves your ability to judge distance.
✓ It can reduce judgement, coordination, and reaction speed.
It has no effect if you drive slowly.
It improves your vision in poor light.

Alcohol affects several abilities needed for safe driving, including concentration, decision-making, coordination, and hazard perception.

Alcohol impairment and driving ability
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should motorcyclists take extra care on wet metal covers?

377. Why should motorcyclists take extra care on wet metal covers?

They can make the suspension become stiffer.
They can increase the motorcycle's braking power.
They can cause the tyre pressure to rise suddenly.
✓ They can provide much less grip than the surrounding road.

Wet metal surfaces, such as drain or inspection covers, can provide much less grip than the surrounding road. Cross them smoothly, keep the motorcycle as upright as practical and avoid sudden braking, acceleration or steering.

Wet metal cover in a motorcycle's path
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

378. What does this dashboard symbol indicate?

Oil-pressure warning.
Engine-management warning.
✓ Charging-system warning.
Engine-temperature warning.

This symbol indicates a problem with the vehicle's charging system. If it remains illuminated while the engine is running, the battery may not be charging correctly because of a fault with the alternator, battery, wiring, or related components.

Charging-system warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

379. What does this dashboard symbol indicate?

Low engine oil.
✓ Low fuel level.
Engine-temperature warning.
Charging-system warning.

This symbol indicates that the fuel level is low. Refuel soon to reduce the risk of running out of fuel.

Low-fuel warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid resting your hand on the gear lever while driving?

380. Why should you avoid resting your hand on the gear lever while driving?

It can increase engine speed.
It can apply the parking brake.
✓ It can cause unnecessary wear in the gear-selection mechanism.
It can disengage the clutch.

Resting your hand on the gear lever can place unnecessary pressure on parts of the gear-selection mechanism and contribute to wear. Keep both hands on the steering wheel when you are not changing gear.

Driver's hand resting on a manual gear lever
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You should keep both hands ready to control the steering.

381. You should keep both hands ready to control the steering.

False.
✓ True.

Keeping proper control of the steering wheel helps you react safely to changes in traffic and road conditions.

Driver keeping both hands on the steering wheel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when people are waiting at a pedestrian crossing?

382. What should you do when people are waiting at a pedestrian crossing?

Sound your horn so pedestrians wait.
Maintain your speed until someone starts crossing.
Drive through if the pedestrians are still waiting.
✓ Slow down and stop if they want to cross.

When people are waiting near a pedestrian crossing, reduce your speed and be ready to stop. Pedestrians may begin crossing at any moment.

People waiting at a pedestrian crossing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you not use water on a fire involving live electrical equipment?

383. Why should you not use water on a fire involving live electrical equipment?

Water prevents the power supply from switching off.
Water makes electrical cables harder to disconnect.
Water can cause the battery to charge more quickly.
✓ Water can conduct electricity and create an electric-shock hazard.

Do not use water on a fire involving energised electrical equipment, because water can conduct electricity and create a serious electric-shock hazard. Keep clear, disconnect the power only if it is safe to do so, and call the emergency services. Use only a suitable fire extinguisher if it is safe and you know how to use it.

Fire involving live electrical equipment
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid remaining beside a large vehicle on a motorway?

384. Why should you avoid remaining beside a large vehicle on a motorway?

Large vehicles always travel more slowly than cars.
✓ You may remain in its blind spot and have less room to escape.
Driving beside them improves your view of the road ahead.
Their tyres may reduce the motorway speed limit.

Large vehicles have significant blind spots. Avoid travelling alongside them longer than necessary.

Vehicle alongside a large vehicle on a motorway
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the best place to cross the road?

385. What is the best place to cross the road?

Between parked vehicles if traffic appears quiet.
Near a bend if approaching traffic seems slow.
At a junction without checking for turning traffic.
✓ At a designated crossing.

Use a designated crossing whenever possible. It is usually the safest place to cross the road.

Designated crossing for pedestrians
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should cyclists avoid using a handheld phone?

386. Why should cyclists avoid using a handheld phone?

✓ It reduces your control and attention.
Because phones must be switched off while cycling.
Because phones can interfere with bicycle electronics.
Because a phone may be used only at low speeds.

Using a phone can distract you and may prevent you from steering, braking, or reacting properly.

Cyclist using a handheld phone
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should heavy items be placed low and evenly distributed?

387. Why should heavy items be placed low and evenly distributed?

To make the steering lighter.
To increase the available luggage space.
To reduce wear on the engine.
✓ To help keep the vehicle stable.

A high or uneven load can make the vehicle unstable, especially during braking, cornering, or sudden steering.

Heavy luggage positioned low in a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which side is normally used for overtaking in United Kingdom?

388. Which side is normally used for overtaking in United Kingdom?

Left-hand side.
✓ Right-hand side.

Drivers normally overtake on the right-hand side in United Kingdom.

Vehicle overtaking on the right
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
When should you select R (Reverse) in an automatic vehicle?

389. When should you select R (Reverse) in an automatic vehicle?

✓ After the vehicle has come to a complete stop.
Whenever you want to reduce speed.
Before pressing the brake pedal.
While the vehicle is still moving forward slowly.

Select R (Reverse) only after the vehicle has come to a complete stop. Selecting Reverse while the vehicle is still moving forward can damage the transmission.

Selecting Reverse in a stationary automatic vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
When should you select P (Park) in an automatic vehicle?

390. When should you select P (Park) in an automatic vehicle?

While the vehicle is still moving slowly.
✓ After the vehicle has come to a complete stop.
Whenever you want to reduce speed.
Before braking to a stop.

Select P (Park) only after the vehicle has come to a complete stop. Selecting Park while the vehicle is moving can damage the transmission.

Selecting Park after an automatic vehicle stops
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if your vehicle begins rolling backward on a steep incline?

391. What should you do if your vehicle begins rolling backward on a steep incline?

Open the door and step out.
Accelerate while continuing to roll backward.
✓ Apply the brake, secure the vehicle, and restart carefully.
Switch off the engine and restart immediately.

Stop the vehicle under control, apply the parking brake if necessary, and prepare to move away again safely.

Vehicle rolling backwards on a steep incline
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What colour is a stop sign usually?

392. What colour is a stop sign usually?

✓ Red.
Yellow.
White.
Blue.

Stop signs are almost always red because red is universally associated with danger and the need to stop immediately.

Red octagonal stop sign
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid sounding the horn near horses?

393. Why should you avoid sounding the horn near horses?

The rider may think you are signalling them to stop.
Using the horn gives the horse rider priority.
✓ The noise may frighten them.
The horn may make the horse move faster.

Horses can be startled by sudden or loud noises and may move unpredictably. Slow down, give them plenty of space, and avoid using the horn unless necessary.

Vehicle approaching a horse and rider
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you check shortly after securing a load?

394. What should you check shortly after securing a load?

Assume the load is secure once the journey has started.
✓ Stop safely and check that the restraints are still tight.
Check the load only when you reach your destination.
Increase speed briefly to test the restraints.

Loads and straps may settle or loosen after the journey begins. Recheck them at a safe stopping place.

Rechecking straps securing a vehicle's load
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the main safety risk of aggressive driving?

395. What is the main safety risk of aggressive driving?

✓ It increases the risk of crashes.
It can increase fuel consumption.
It can increase tyre and brake wear.
It can make the journey less comfortable.

Aggressive driving, such as tailgating, speeding, or sudden lane changes, reduces safety margins and increases the risk of crashes and conflict with other road users.

Driver displaying aggressive behaviour in traffic
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

396. What does this vehicle-control symbol indicate?

Airbag-system fault.
Child safety lock.
✓ Passenger airbag deactivation.
Central door locking.

This control allows the front passenger airbag to be deactivated on vehicles equipped with this function. The airbag must be deactivated when a rear-facing child restraint is used on the front passenger seat.

Front passenger airbag deactivation control
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid wearing dark clothing at night?

397. Why should you avoid wearing dark clothing at night?

Headlights make clothing colour unimportant.
✓ Drivers may have difficulty seeing you.
Clothing colour matters only on unlit roads.
Street lighting makes dark clothing easy to see.

Dark clothing makes pedestrians harder to see in low-light conditions. Bright or reflective clothing improves visibility.

Pedestrian wearing dark clothing at night
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when following a cyclist on a narrow road?

398. What should you do when following a cyclist on a narrow road?

Sound your horn so the cyclist moves aside.
Pass even if you cannot leave much space.
Overtake as soon as your vehicle can fit past.
✓ Keep a safe distance and overtake only when there is enough space.

Cyclists may need to avoid potholes, drains, or wind gusts. Keep distance and only pass when you can leave plenty of space.

Vehicle following a cyclist on a narrow road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

399. What does this dashboard symbol indicate?

Power-steering warning.
✓ Cruise control.
Electronic stability control.
Speed limiter.

This symbol indicates the cruise-control system. Cruise control can maintain a selected vehicle speed without the driver continuously pressing the accelerator. The exact indicator behaviour can vary between vehicles.

Cruise-control indicator symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Where should you normally wait after a breakdown on a high-speed road?

400. Where should you normally wait after a breakdown on a high-speed road?

Immediately behind the vehicle so you remain visible.
On the verge beside the broken-down vehicle.
✓ Behind a safety barrier and well away from the vehicle and traffic.
In front of the vehicle while facing approaching traffic.

A stationary vehicle can be struck by passing traffic. Waiting behind a barrier provides better protection.

People waiting behind a safety barrier after a breakdown
AI-generated by Traffic-rules.com • WCIT • CC BY-SA