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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 should cyclists do when passing pedestrians on a shared path?

501. What should cyclists do when passing pedestrians on a shared path?

Pass quickly before they change direction.
✓ Slow down, give warning, and leave enough space.
Pass closely if there is not enough room.
Assume they will hear you approaching.

Pedestrians may change direction unexpectedly. A warning and safe passing distance reduce the risk of a collision.

Cyclist passing pedestrians on a shared path
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the main risk when following a vehicle with limited rear visibility?

502. What is the main risk when following a vehicle with limited rear visibility?

The driver can see you better if you follow closely.
The vehicle must always travel more slowly.
✓ The driver may not see you clearly.
The vehicle has priority when changing lanes.

Vans, trucks, and vehicles with blocked rear windows may have limited visibility. Keep extra distance and avoid sitting in blind spots.

Vehicle with limited rearward visibility
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before rejoining traffic after a breakdown?

503. What should you do before rejoining traffic after a breakdown?

Check your mirrors only and pull out if they look clear.
✓ Check all around, signal, and enter only when there is a safe gap.
Pull out as soon as there is enough space for your vehicle.
Signal and expect approaching traffic to slow down.

Check mirrors and blind spots, signal clearly, and build up speed safely without causing approaching traffic to brake suddenly.

Vehicle preparing to rejoin traffic after a breakdown
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you follow the manufacturer's service schedule?

504. Why should you follow the manufacturer's service schedule?

✓ Regular servicing can identify wear and maintain safety and reliability.
It allows vehicle problems to be ignored until the next service.
It means routine checks between services are unnecessary.
It guarantees that no faults will develop between services.

Scheduled servicing helps ensure that brakes, tyres, fluids, filters, steering, suspension, and other important systems are checked and maintained before faults become more serious.

Vehicle maintenance following a servicing schedule
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should you approach a sharp bend on a mountain road?

505. How should you approach a sharp bend on a mountain road?

Move toward the centre of the road for a better view.
Overtake just before entering the bend.
Brake hard while turning through the bend.
✓ Reduce speed before the bend and remain in your lane.

Mountain bends may hide oncoming vehicles, cyclists, animals, or debris. Slow down before entering and keep a safe road position.

Sharp bend on a mountain road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What shape are most warning signs in United Kingdom?

506. What shape are most warning signs in United Kingdom?

Diamond.
Circle.
✓ Triangle.
Rectangle.

Most warning signs in United Kingdom are triangular.

Road warning signs and their shapes
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Must cars use dipped headlights solely because they enter a tunnel in United Kingdom?

507. Must cars use dipped headlights solely because they enter a tunnel in United Kingdom?

Yes.
✓ No.

Dipped headlights are not generally required solely because a car is in a tunnel in United Kingdom. Darkness or poor visibility may still require their use, and drivers must follow any tunnel lighting instructions.

Vehicle using dipped headlights in a road tunnel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is aquaplaning?

508. What is aquaplaning?

✓ When tyres ride on a layer of water and lose contact with the road.
When water enters the engine and causes it to stop.
When low tyre pressure causes a tyre to burst.
When wet brakes become too hot to work properly.

Aquaplaning occurs when water builds up between the tyres and the road, causing a loss of grip and control. The risk increases at higher speeds.

Water separating a tyre from the road surface
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why can main-beam headlights make driving in fog more difficult?

509. Why can main-beam headlights make driving in fog more difficult?

Main beam reduces the effectiveness of the fog lights.
The stronger beam uses too much electrical power.
✓ The light can reflect off fog droplets and reduce visibility.
The brighter light makes the windscreen mist more quickly.

Main beam can reflect back from fog and create glare, making it harder to see the road ahead.

Headlight glare reflected by fog
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if there is no pavement?

510. What should you do if there is no pavement?

Choose the side with the smoothest road surface.
Pay attention only to traffic approaching from behind.
Always walk in the same direction as traffic.
✓ Walk where you can be seen and stay alert.

If there is no pavement, stay as far from traffic as possible and remain alert. The exact side of the road depends on local traffic rules.

Pedestrian walking beside a road without a pavement
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if a motorcycle helmet visor is badly scratched?

511. What should you do if a motorcycle helmet visor is badly scratched?

Use it only during daylight.
Ride with the visor raised.
Cover the scratches with clear tape.
✓ Replace it before riding.

A badly scratched or damaged visor can reduce or distort your view, especially in bright sunlight or at night. Replace a visor that no longer provides a clear, safe view and follow the helmet manufacturer's instructions.

Scratched visor on a motorcycle helmet
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

512. What does this dashboard symbol indicate?

✓ Brake-pad wear warning.
Parking brake applied.
Brake-system fault.
ABS fault.

This symbol indicates that the brake pads may be worn and should be inspected. Continuing to drive with excessively worn brake pads can reduce braking performance and damage other brake components.

Brake-pad wear warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you avoid if your vehicle starts to skid?

513. What should you avoid if your vehicle starts to skid?

Look where you want the vehicle to go.
Allow the tyres time to regain grip.
✓ Sudden braking, acceleration, or sharp steering.
Stay calm and maintain control.

Sudden braking, acceleration, or steering can make a skid worse. Stay calm and use smooth controls while the tyres regain grip.

Vehicle beginning to skid
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid travelling with the seatback excessively reclined?

514. Why should you avoid travelling with the seatback excessively reclined?

It can prevent the head restraint from being adjusted.
✓ It can reduce how effectively the seat belt restrains you.
It can cause the seat belt to lock during normal driving.
It can make the airbag deploy earlier.

An excessively reclined seat can affect how the seat belt fits and restrains your body and may increase the risk of sliding under the lap belt in a collision. Sit in a reasonably upright position so the lap belt stays low across the hips and the shoulder belt lies correctly across the chest.

Vehicle seat with an excessively reclined backrest
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

515. What does this dashboard symbol indicate?

Charging-system warning.
Engine-management warning.
Engine-temperature warning.
✓ Diesel glow-plug preheating.

This symbol indicates the diesel glow-plug preheating system. In a diesel vehicle, wait for the light to go out before starting the engine when required. If it remains illuminated or flashes while driving, it may indicate a fault.

Diesel glow-plug preheating symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

516. What does this dashboard symbol indicate?

Low tyre pressure.
Anti-lock braking system.
✓ Electronic stability control.
Engine-management warning.

This symbol relates to the electronic stability control (ESC) system. It may flash when the system is actively helping to maintain stability. If it remains illuminated, the system may be switched off or have a fault.

Electronic stability control symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the brakes fade during a long descent?

517. What should you do if the brakes fade during a long descent?

Keep pressing the brakes continuously all the way downhill.
✓ Select a lower gear and stop safely to allow the brakes to cool.
Switch off the engine to help slow the vehicle.
Accelerate between bends to reduce brake use.

Continuous braking can cause overheating and reduced braking performance. A lower gear provides engine braking and reduces demand on the brakes.

Vehicle descending a hill with overheating brakes
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why can loud music be dangerous while cycling?

518. Why can loud music be dangerous while cycling?

It makes the bicycle harder to balance.
It makes bicycle lights less effective.
✓ You may not hear traffic or warning sounds.
It reduces the grip of the tyres.

Hearing approaching vehicles, bells, horns, and other warning sounds is an important part of staying aware.

Cyclist listening to music near traffic
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you consider before selecting a lower gear in a manual vehicle?

519. What should you consider before selecting a lower gear in a manual vehicle?

Whether the parking brake is applied.
Whether the steering wheel is centred.
✓ Whether the vehicle's speed is suitable for the lower gear.
Whether the headlights are switched on.

Before selecting a lower gear, make sure the vehicle's speed is suitable for that gear. Selecting too low a gear at excessive speed can cause harsh engine braking and place unnecessary stress on the drivetrain.

Selecting a lower gear in a manual vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should you normally brake on a motorcycle?

520. How should you normally brake on a motorcycle?

✓ Use both brakes smoothly and progressively.
Use only the rear brake.
Apply both brakes as suddenly as possible.
Use only the front brake.

During normal braking, use both the front and rear brakes smoothly and progressively. The front brake normally provides much of the braking force, while the rear brake also helps slow and stabilise the motorcycle. Sudden or poorly balanced braking can reduce stability or cause a wheel to lose grip.

Motorcyclist using the front and rear brakes
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if traffic stops inside a tunnel?

521. What should you do if traffic stops inside a tunnel?

Drive onto the pedestrian walkway.
Sound the horn continuously until traffic moves.
Make a U-turn and leave the tunnel.
✓ Stop at a safe distance and follow signals or instructions.

Remain calm, keep space from the vehicle ahead, and obey traffic signals, signs, or instructions from tunnel staff.

Traffic stopped inside a road tunnel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How can strong crosswinds affect a vehicle towing a trailer?

522. How can strong crosswinds affect a vehicle towing a trailer?

✓ They can push the trailer sideways and reduce stability.
They make the trailer more stable at higher speeds.
They affect only the towing vehicle, not the trailer.
They improve tyre grip on exposed roads.

Trailers have large side surfaces and may be affected strongly by wind, especially on bridges and exposed roads.

Vehicle and trailer exposed to crosswinds
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

523. What does this dashboard symbol indicate?

Front fog lights.
Rear fog lights.
✓ Main beam.
Dipped headlights.

This symbol indicates that the main beam headlights are switched on. Main beam illuminates the road farther ahead but can dazzle other road users, so it should be changed to dipped headlights when necessary.

Main-beam headlight symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the brake pedal feels unusually soft?

524. What should you do if the brake pedal feels unusually soft?

Continue until the brakes begin making noise.
Use only the parking brake while driving.
Reduce the tyre pressure to improve braking.
✓ Stop safely and have the braking system inspected.

A soft brake pedal or increased stopping distance may indicate a serious brake fault. Do not continue driving normally until the system has been checked.

Brake-pedal check for a possible braking fault
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

525. What does this vehicle-control symbol indicate?

Central door locking.
Fuel-filler flap release.
Window lock.
✓ Boot or tailgate release.

This symbol indicates the boot or tailgate release. Operating the control unlocks or opens the luggage compartment, depending on the vehicle.

Boot or tailgate release control
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when approaching a hill crest?

526. What should you do when approaching a hill crest?

Move toward the centre of the road for a better view.
Maintain speed if no traffic is visible.
✓ Slow down and be prepared for hidden hazards.
Follow the vehicle ahead closely for guidance.

A hill crest can hide vehicles, cyclists, pedestrians, or obstacles. Reduce speed and stay in your lane.

Vehicle approaching the crest of a hill
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before leaving a motorway?

527. What should you do before leaving a motorway?

Wait until the exit begins before checking your mirrors.
Brake sharply before entering the exit lane.
✓ Check your mirrors, signal in good time, and enter the exit lane safely.
Signal only after entering the exit lane.

Plan your exit early, move into the correct lane safely, and reduce speed after entering the exit road where appropriate.

Vehicle preparing to take a motorway exit
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why does higher speed increase the risk of aquaplaning?

528. Why does higher speed increase the risk of aquaplaning?

The suspension becomes less effective at high speed.
The brakes cannot remove water from the tyres.
The vehicle becomes heavier as speed increases.
✓ The tyres have less time to clear water from the road surface.

At higher speeds, the tyres may not disperse water effectively, making it easier for the vehicle to lose contact with the road.

Vehicle speed and aquaplaning on a wet road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

529. What does this dashboard symbol indicate?

✓ A door is open.
The parking brake is applied.
The seat belt is not fastened.
The airbag system has a fault.

This symbol indicates that one or more vehicle doors are not fully closed. Check that all doors are securely shut before driving.

Door-open warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if you are unsure who has priority at a junction?

530. What should you do if you are unsure who has priority at a junction?

Rely on eye contact and enter the junction first.
Check only the direction that normally has priority.
Enter slowly so the other driver has time to react.
✓ Slow down and proceed only when it is safe.

If priority is unclear, reduce speed, observe carefully, and avoid entering the junction until you are sure it is safe.

Vehicles approaching a junction with uncertain priority
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you take care when parking a motorcycle on soft ground?

531. Why should you take care when parking a motorcycle on soft ground?

The brakes may lock while the motorcycle is parked.
✓ The stand may sink into the ground and the motorcycle could fall.
The tyres may immediately lose air pressure.
The engine may become difficult to start.

On soft or unstable ground, the side or centre stand can sink or move, causing the motorcycle to fall. Park on a firm, stable surface or use a suitable support under the stand when necessary.

Motorcycle stand resting on soft ground
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should hard braking be avoided while a motorcycle is leaning in a bend?

532. Why should hard braking be avoided while a motorcycle is leaning in a bend?

It makes the motorcycle turn more sharply.
It increases tyre pressure immediately.
It prevents the suspension from working.
✓ It can reduce stability and available tyre grip.

When a motorcycle is leaning, the tyres are already using grip to turn. Hard braking can demand additional grip and may reduce stability. Whenever possible, adjust speed before the bend and use smooth, controlled inputs while cornering.

Motorcycle leaning while travelling through a bend
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you increase your following distance on wet roads?

533. Why should you increase your following distance on wet roads?

To reduce road surface damage.
✓ Because braking distances are longer.
Because wet roads make the speedometer less accurate.
Because tyres need more space to warm up.

Water reduces grip between the tyres and the road, so it takes longer to slow down or stop safely.

Following distance between vehicles on a wet road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Should the legal alcohol limit be treated as a safe target?

534. Should the legal alcohol limit be treated as a safe target?

✓ No, impairment can begin before the legal limit is reached.
Yes, when driving only a short distance.
Yes, if you feel completely sober.
Yes, because impairment begins only above the limit.

A legal limit is an enforcement threshold, not a recommended drinking level. Even a small amount of alcohol can affect driving performance.

Alcohol consumption and the limits of safe driving
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the main purpose of a booster seat?

535. What is the main purpose of a booster seat?

To make the child high enough to see through the windscreen.
To allow the child to sit without wearing a seat belt.
✓ To position the vehicle seat belt correctly on the child.
To replace the vehicle's seat belt completely.

A booster seat raises and positions a child so the vehicle seat belt fits correctly. The lap belt should sit low across the hips and the shoulder belt should pass across the chest and shoulder, rather than the neck or abdomen.

Child seated in a booster with a vehicle seat belt
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if a child runs onto the road ahead?

536. What should you do if a child runs onto the road ahead?

✓ Brake firmly and be prepared to stop.
Accelerate to pass before the child moves further into the road.
Sound your horn and continue driving.
Flash your lights instead of slowing down.

Children can act unpredictably. Brake firmly, stay alert, and be prepared for more children to follow.

Child entering the road ahead of a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the button on a manual handbrake lever used for?

537. What is the button on a manual handbrake lever used for?

To unlock the steering.
To apply the service brakes.
To select reverse gear.
✓ To release the handbrake mechanism.

To release a manual handbrake, pull the lever up slightly, press and hold the release button, then lower the lever under control.

Release button on a manual handbrake lever
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

538. What does this dashboard symbol indicate?

Windscreen washer.
✓ Rear window demister.
Front windscreen demister.
Air conditioning.

This symbol indicates the rear window demister. It heats the rear window to help clear condensation, mist or frost and improve visibility.

Rear-window demister symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid parking a petrol or diesel vehicle on dry grass?

539. Why should you avoid parking a petrol or diesel vehicle on dry grass?

The tyres could lose pressure more quickly.
The engine could become difficult to restart.
✓ Hot exhaust components could ignite the vegetation.
The grass could prevent the parking brake from holding.

Parts of the exhaust system, especially the catalytic converter, can become very hot while driving. Parking over dry grass, leaves, or other combustible vegetation can create a fire risk. Park on a suitable non-flammable surface whenever possible.

Vehicle exhaust close to dry grass
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if a vehicle is reversing near you?

540. What should you do if a vehicle is reversing near you?

Walk behind it if it is reversing slowly.
✓ Stay clear and make sure the driver can see you.
Cross behind it once the driver looks forward.
Stand close behind it so the driver can see you.

Reversing vehicles have blind spots. Stay away from the vehicle and make sure the driver can see you.

Pedestrian near a reversing vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid overtaking when approaching a pedestrian crossing?

541. Why should you avoid overtaking when approaching a pedestrian crossing?

Crossing markings can make lane changes more difficult.
The road surface is usually more slippery near crossings.
✓ A pedestrian may be hidden by the vehicle ahead.
The crossing may make it harder to judge your speed.

A vehicle slowing or stopping near a pedestrian crossing may be hiding someone who is crossing. Overtaking could put you directly into the pedestrian's path.

Vehicles approaching a pedestrian crossing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You must stop at a red traffic light.

542. You must stop at a red traffic light.

False.
✓ True.

A red traffic light means you must stop and wait until it is allowed to proceed.

Vehicle stopped at a red traffic light
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you normally do after completing an overtake?

543. What should you normally do after completing an overtake?

Move back immediately in front of the vehicle you passed.
✓ Return to the normal driving lane when it is safe.
Remain in the overtaking lane until another vehicle approaches.
Slow down before returning to the normal lane.

After overtaking, return to the normal driving lane when you have passed the other vehicle by a safe distance. Check your mirrors, signal when appropriate, and avoid moving back too soon.

Vehicle returning to its lane after overtaking
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

544. What does this dashboard symbol indicate?

✓ Adaptive cruise control.
Parking assistance.
Lane-departure warning.
Automatic start-stop system.

This symbol relates to adaptive cruise control (ACC). The system can maintain a selected speed and automatically adjust the vehicle's speed to help maintain a set distance from traffic ahead.

Adaptive cruise-control symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which factors can increase a vehicle's stopping distance?

545. Which factors can increase a vehicle's stopping distance?

Using dipped headlights and keeping the windows closed.
✓ Higher speed, slower reactions, poor grip, and vehicle condition.
Lower speed, dry roads, and good tyres.
Driving in a lower gear and using the indicators.

Stopping distance can increase because of higher speed, slower driver reactions, reduced tyre grip, poor weather or road conditions, worn tyres, weak brakes, or a heavier vehicle. Both the driver's reaction distance and the vehicle's braking distance can be affected.

Road and vehicle conditions affecting stopping distance
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before entering a roundabout?

546. What should you do before entering a roundabout?

Enter without giving way if you are going straight ahead.
Maintain your speed unless another vehicle blocks your path.
Enter first if you reach the roundabout before other traffic.
✓ Slow down and give way when required.

Before entering a roundabout, reduce your speed, observe traffic, and give way according to the local rules.

Vehicle approaching a roundabout
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you never leave a child or pet alone in a parked vehicle on a warm day?

547. Why should you never leave a child or pet alone in a parked vehicle on a warm day?

The tyres may lose pressure while the vehicle is parked.
The alarm system may activate unexpectedly.
The windows may become difficult to open.
✓ The interior can heat up quickly and cause serious heat illness.

The inside of a parked vehicle can heat up rapidly, even when the outside temperature does not feel extreme. Children and animals are particularly vulnerable to overheating and heatstroke. Leaving a window partly open does not make the vehicle safe.

Parked vehicle and the danger of interior heat
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before crossing behind a bus or large vehicle?

548. What should you do before crossing behind a bus or large vehicle?

Listen for traffic and cross if you hear none.
Stay close behind the vehicle while crossing.
Cross if the nearest traffic lane appears clear.
✓ Wait until you have a clear view of the road.

Large vehicles can block your view and hide you from drivers. Wait until you can clearly see the road before crossing.

Pedestrian preparing to cross behind a bus
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before driving through a puddle?

549. What should you do before driving through a puddle?

✓ Slow down and check that it is safe.
Brake firmly while driving through the water.
Maintain your normal speed if the road looks clear.
Accelerate so you spend less time in the water.

Large puddles can hide holes, reduce grip, or cause water to splash onto pedestrians or other vehicles. Slow down and proceed carefully.

Vehicle approaching a puddle on the road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do at a railway crossing when the barriers are closing?

550. What should you do at a railway crossing when the barriers are closing?

✓ Stop and wait until the barriers are completely open.
Cross quickly if you cannot see a train.
Continue if the barriers are not fully closed.
Follow the vehicle ahead across the tracks.

Never enter a railway crossing when barriers are closing or warning signals are active. Stop and wait until it is safe.

Barriers closing at a railway crossing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA