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QuizTraffic rulesUnited Kingdom

Test your knowledge with our multiple-choice quiz. Learn from each answer and improve your understanding of the traffic rules and road signs of United Kingdom.

For informational purposes only. Always follow official regulations. Some content and images were created with AI assistance.

Traffic signs
Traffic rules
United Kingdom
True/false 17 United Kingdom 31 Car controls 109 Dashboard lights 40 Priority rules 9 Pedestrians 19 Cyclists 20 Show all 598
What should you do if the bonnet suddenly opens while you are driving?

51. What should you do if the bonnet suddenly opens while you are driving?

✓ Look through any available gap, slow down smoothly, and stop safely.
Accelerate briefly to try to close the bonnet.
Brake hard immediately, even if traffic is behind you.
Turn sharply toward the side of the road.

The bonnet may completely obstruct your view. Avoid sudden movements, use the road markings or available gap to maintain direction, and stop safely.

Raised bonnet obstructing the driver's forward view
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you check your mirrors regularly while driving?

52. Why should you check your mirrors regularly while driving?

✓ To stay aware of traffic around you.
To judge your speed from vehicles behind.
To see whether road signs behind you have changed.
To check whether passengers are comfortable.

Regular mirror checks help you understand what is happening behind and beside your vehicle.

Driver checking traffic in a rear-view mirror
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

53. What does this vehicle-control symbol indicate?

Seat adjustment.
Electric window control.
Central door locking.
✓ Exterior mirror folding.

This control folds or unfolds the vehicle's exterior mirrors. It is useful when parking in narrow spaces or when leaving the vehicle parked.

Control for folding the exterior mirrors
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do with a child restraint after a collision?

54. What should you do with a child restraint after a collision?

Replace only the seat cover.
Use it normally after tightening the straps.
Repair damaged parts yourself.
✓ Follow the manufacturer's instructions about inspection or replacement.

A child restraint may be damaged in a collision even when the damage is not obvious. Follow the manufacturer's instructions, as the restraint may need to be inspected or replaced before it is used again.

Child car seat requiring inspection after a collision
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if birds are swooping at you while cycling?

55. What should you do if birds are swooping at you while cycling?

Stop near the nest to see why they are swooping.
✓ Slow down, stay calm, and leave the area without provoking them.
Accelerate as fast as possible to escape.
Throw objects towards the birds.

Some birds become territorial during the breeding season and may swoop people near their nests. Stay calm, avoid provoking or approaching the birds, and leave the area safely. If necessary and safe, dismount and walk your bicycle through or away from the area while keeping your helmet on.

Bird swooping near a cyclist
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when driving near a school area?

56. What should you do when driving near a school area?

Watch only for children already on the road.
✓ Slow down and watch carefully for children.
Maintain your usual speed if the road looks clear.
Use your horn so children stay away from traffic.

Children near schools may cross unexpectedly or be hidden between parked vehicles. Reduce speed and be ready to stop.

Vehicle travelling near a school
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you leave extra space behind a vehicle climbing a steep hill?

57. Why should you leave extra space behind a vehicle climbing a steep hill?

It must always stop before reaching the top.
Its engine may become louder on the hill.
✓ It may slow down suddenly or roll backward.
Its tyres may warm up more quickly.

Vehicles may lose speed or briefly roll backward when starting on a steep incline. Extra space gives you more time to react.

Vehicle following another up a steep hill
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What can selecting a lower gear provide in a manual vehicle?

58. What can selecting a lower gear provide in a manual vehicle?

✓ Greater engine braking.
Automatic parking-brake operation.
Higher tyre pressure.
A shorter steering ratio.

Selecting a suitable lower gear can increase engine braking, helping the vehicle slow or control its speed without relying entirely on the brakes.

Manual gear selection for engine braking
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if a tyre has a deep cut, bulge, or exposed cords?

59. What should you do if a tyre has a deep cut, bulge, or exposed cords?

Cover the damaged area and keep using the tyre.
Drive slowly until the next scheduled service.
✓ Stop using the tyre and arrange professional inspection or replacement.
Increase the tyre pressure and continue driving.

Cuts, bulges, and exposed cords can indicate serious structural damage. The tyre may fail suddenly and should not be used normally.

Damaged vehicle tyre requiring inspection
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How can alcohol affect your driving ability?

60. 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
What should a motorcyclist do when approaching loose gravel?

61. What should a motorcyclist do when approaching loose gravel?

Turn suddenly to avoid every loose stone.
Accelerate sharply to cross it quickly.
Lean the motorcycle more than usual.
✓ Reduce speed before reaching it and use smooth controls.

Loose gravel can significantly reduce tyre grip. Reduce speed before reaching it, keep the motorcycle as upright as practical, and avoid sudden braking, acceleration or steering while crossing the loose surface.

Motorcyclist approaching loose gravel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid sudden braking when it is not necessary?

62. Why should you avoid sudden braking when it is not necessary?

It causes the tyres to lose pressure.
It prevents the brake lights from working properly.
It makes the steering less responsive afterwards.
✓ Vehicles behind may not have time to react.

Sudden braking can surprise drivers behind you and increase the risk of a rear-end collision.

Following traffic and the risk of sudden braking
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should a disabled vehicle be towed?

63. How should a disabled vehicle be towed?

✓ Use approved towing points and a method permitted by local rules.
By attaching a rope to the bumper.
Without checking the steering or brakes.
With nobody controlling the disabled vehicle.

Incorrect towing can damage the vehicle or cause loss of control. Follow the manufacturer's instructions and local rules, and use professional recovery when the correct procedure is uncertain.

Disabled vehicle being towed
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before using a pedestrian crossing?

64. What should you do before using a pedestrian crossing?

Cross as soon as the nearest vehicle starts slowing down.
✓ Make sure it is safe to cross.
Check only the lane nearest to you before crossing.
Cross once a driver makes eye contact with you.

Even at a pedestrian crossing, make sure approaching drivers have seen you and are able to stop before you cross.

Pedestrian checking traffic before using a crossing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should a passenger normally sit on a motorcycle?

65. How should a passenger normally sit on a motorcycle?

✓ Securely on the passenger seat with both feet on the footrests.
As far back as possible without using the footrests.
With one foot hanging down when travelling slowly.
Sideways so they can get off more easily.

A motorcycle passenger should sit securely on the designated passenger seat, keep both feet on the footrests and avoid sudden movements that could affect the motorcycle's balance and stability.

Passenger seated on a motorcycle with feet on the footrests
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which control activates all direction indicators at the same time?

66. Which control activates all direction indicators at the same time?

✓ The hazard warning light switch.
The headlight switch.
The rear-window demister.
The parking-brake control.

The hazard warning light switch activates all direction indicators at the same time to warn other road users of a hazard or emergency.

Hazard warning light switch and triangle symbol
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the brake pedal feels unusually soft?

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

Press the accelerator harder before braking.
Reduce the tyre pressure to improve braking.
✓ Stop safely and have the braking system inspected.
Continue until the brakes begin making noise.

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 should you do when driving in strong wind?

68. What should you do when driving in strong wind?

Open the windows to improve aerodynamics.
Use main beam to make your vehicle more visible.
Drive close behind large vehicles for protection from the wind.
✓ Hold the steering wheel firmly and reduce speed if needed.

Strong wind can affect vehicle control, especially near open areas, bridges, large vehicles, cyclists, and motorcyclists.

Driver controlling a vehicle in strong wind
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you notice the location of emergency exits in a tunnel?

69. Why should you notice the location of emergency exits in a tunnel?

Pedestrians may be crossing near them.
They provide shortcuts to nearby roads.
✓ You may need to reach one quickly during an emergency.
They show where overtaking is prohibited.

Knowing where emergency exits and refuge areas are located can save valuable time during a fire, collision, or evacuation.

Emergency exit inside a road tunnel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You may ignore a stop sign if the road looks empty.

70. You may ignore a stop sign if the road looks empty.

True.
✓ False.

A stop sign means you must come to a complete stop, even if no other traffic is visible.

Stop sign at a quiet junction
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the oil-pressure warning light stays on?

71. What should you do if the oil-pressure warning light stays on?

Add engine oil while the engine is still running.
Ignore it if the engine sounds normal.
Increase the engine speed until the light goes out.
✓ Stop safely, switch off the engine, and seek assistance.

Low oil pressure can quickly cause severe engine damage. Stop as soon as it is safe, switch off the engine, and investigate the cause before continuing.

Oil-pressure warning illuminated on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you be extra careful at night?

72. Why should you be extra careful at night?

Street lighting makes drivers less alert.
✓ Visibility is reduced.
Road surfaces are usually more slippery.
Vehicles need more distance to accelerate.

At night, it is harder to see pedestrians, cyclists, road markings, and hazards. Reduce speed and use the correct lights.

Road traffic in reduced night-time visibility
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You should stay focused on the road and avoid unnecessary distractions.

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

✓ True.
False.

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
Which speed unit is used in United Kingdom?

74. Which speed unit is used in United Kingdom?

Kilometres per hour (km/h).
✓ Miles per hour (mph).

Road speeds in United Kingdom are shown in miles per hour (mph).

Road speed expressed in miles per hour
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why can mixing alcohol with medicine be dangerous for drivers?

75. Why can mixing alcohol with medicine be dangerous for drivers?

✓ The combination may increase drowsiness or impairment.
The combination is safe if taken with food.
Alcohol leaves the body faster when taking medicine.
Medicine can cancel out the effects of alcohol.

Some prescription and non-prescription medicines can intensify alcohol-related drowsiness, dizziness, poor coordination, or reduced concentration.

Alcohol and medicine as a driving-impairment risk
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if animals are gathered beside a narrow rural road?

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

Sound your horn so the animals move away.
Drive close to prevent them entering your lane.
✓ Reduce speed and pass only when there is enough space.
Maintain speed because the animals are beside the road.

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
Why should you avoid using an ordinary extension lead to charge an electric vehicle?

77. Why should you avoid using an ordinary extension lead to charge an electric vehicle?

It will always charge the vehicle too quickly.
It can make the vehicle battery lose capacity immediately.
✓ It may overheat because it is not designed for continuous high-power charging.
It prevents the charging port from closing afterwards.

An ordinary household extension lead may not be designed for the sustained electrical load required for EV charging and can overheat. Use suitable approved charging equipment and follow the vehicle and charging-equipment manufacturer's instructions.

Extension lead used for electric-vehicle charging
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should a motorcyclist brake in an emergency?

78. How should a motorcyclist brake in an emergency?

✓ Apply both brakes firmly and progressively.
Use only the rear brake.
Grab the front brake as suddenly as possible.
Release both brakes before stopping.

During emergency braking, use both brakes firmly and progressively while keeping the motorcycle as upright and stable as practical. Avoid sudden steering. If ABS is fitted, maintain firm braking pressure and allow the system to work.

Motorcyclist making an emergency stop
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Where should you normally wait after a breakdown on a high-speed road?

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

✓ Behind a safety barrier and well away from the vehicle and traffic.
Between the vehicle and the safety barrier.
On the verge beside the broken-down vehicle.
Immediately behind the vehicle so you remain visible.

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
Why should you be careful when turning across oncoming traffic?

80. Why should you be careful when turning across oncoming traffic?

✓ You must judge the speed and distance of approaching vehicles.
Turning gives you priority over approaching traffic.
Oncoming vehicles need more distance to change lanes.
Turning makes your vehicle take longer to accelerate.

Turning across traffic requires careful observation. Misjudging speed or distance can lead to a serious collision.

Vehicle preparing to turn across oncoming traffic
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Must cars carry equipment for dealing with a puncture in United Kingdom?

81. Must cars carry equipment for dealing with a puncture in United Kingdom?

✓ No.
Yes.

Cars in United Kingdom are not generally required to carry a spare wheel or tyre repair kit.

Vehicle equipment for dealing with a puncture
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if you see smoke or fire inside a tunnel?

82. What should you do if you see smoke or fire inside a tunnel?

Stay inside the vehicle and wait for the smoke to clear.
✓ Follow tunnel instructions and leave the tunnel if it is safe to do so.
Stop near the fire so you can assess the situation.
Keep driving normally unless the tunnel is completely blocked.

If it is safe to drive out of the tunnel, do so. If you cannot continue safely, stop, switch off the engine, leave the vehicle, and use the marked emergency exits or refuge routes. Follow tunnel-control instructions.

Smoke inside a road tunnel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should a motorcyclist do before entering a bend?

83. What should a motorcyclist do before entering a bend?

✓ Reduce speed before the bend and look through it.
Accelerate before checking how sharp the bend is.
Brake hard after beginning to lean.
Look only at the road directly in front of the wheel.

Adjust your speed before entering the bend so you can steer smoothly and remain within a safe position. Look through the bend towards where you want to travel and be prepared for hazards that may be hidden from view.

Motorcyclist approaching a bend
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if a red warning light appears with an unusual noise?

84. What should you do if a red warning light appears with an unusual noise?

Stop only if another warning light appears.
Ignore the noise if the warning light later goes out.
Wait until the next service to have it checked.
✓ Stop safely, switch off the engine, and seek assistance.

A red warning combined with an unusual noise may indicate a serious fault. Continuing could cause damage or loss of control.

Red dashboard warning requiring the driver's attention
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should a child use a suitable child restraint?

85. Why should a child use a suitable child restraint?

To make it easier for the child to sleep.
To allow the child to sit closer to the window.
To prevent the vehicle from braking suddenly.
✓ To reduce the risk of serious injury in a collision.

A suitable child restraint is designed to protect a child according to their size and development. It helps position and restrain the child correctly, reducing the risk of serious injury in a collision or sudden stop.

Child secured in a suitable car seat
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if traffic beyond a railway crossing is blocked?

86. What should you do if traffic beyond a railway crossing is blocked?

Enter the crossing and wait for traffic to move.
Stop on the tracks if no train is visible.
✓ Wait until there is enough space to clear the tracks completely.
Cross quickly before the warning signals activate.

Never enter a railway crossing unless you can clear the tracks completely. If traffic ahead is blocked, wait before the crossing so you cannot become trapped on the railway.

Congested traffic beyond a railway crossing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

87. What does this dashboard symbol indicate?

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

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
Which factors can increase a vehicle's stopping distance?

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

Driving in a lower gear and using the indicators.
✓ Higher speed, slower reactions, poor grip, and vehicle condition.
Lower speed, dry roads, and good tyres.
Having a full fuel tank and adjusted mirrors.

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
Are bicycle helmets generally required in United Kingdom?

89. Are bicycle helmets generally required in United Kingdom?

Yes, for all cyclists.
Yes, for all adults.
✓ No.

Bicycle helmets are not generally required for all cyclists in United Kingdom, although specific age or regional rules may apply.

Cyclist wearing a bicycle helmet
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should you use the brake pedal during emergency braking in a vehicle with ABS?

90. How should you use the brake pedal during emergency braking in a vehicle with ABS?

Pump it rapidly.
Use the parking brake instead.
Release it if the pedal vibrates.
✓ Press it firmly and keep it pressed.

During emergency braking with ABS, press the brake pedal firmly and keep it pressed. Pulsation or vibration through the pedal can be normal while ABS is operating, so do not pump or release the brake.

Firm brake-pedal pressure during emergency braking with ABS
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

91. What does this dashboard symbol indicate?

Main beam.
Front fog lights.
Rear fog lights.
✓ Sidelights.

This symbol indicates that the sidelights, also known as position or parking lights, are switched on. They help make the vehicle visible to other road users but provide little illumination of the road ahead.

Sidelight indicator symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does it mean to cover the brake pedal?

92. What does it mean to cover the brake pedal?

✓ Position your right foot over the brake, ready to press it.
Rest your foot lightly on the brake while driving.
Press the brake and accelerator together.
Apply the parking brake slightly.

To cover the brake, move your right foot over the brake pedal without pressing it, so you are ready to brake quickly if a hazard develops.

Right foot positioned over the brake pedal
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before making a turn?

93. What should you do before making a turn?

Signal only after you begin turning.
Check only the traffic directly ahead.
✓ Check mirrors, signal, and make sure it is safe.
Turn as soon as the road ahead appears clear.

Before turning, check your mirrors, use your indicator, and make sure the turn can be made safely.

Driver preparing to turn at a junction
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when traffic is merging from another lane?

94. What should you do when traffic is merging from another lane?

Speed up slightly so they can merge behind you.
Maintain your speed and expect them to merge behind you.
✓ Adjust your speed and leave space when safe.
Move into another lane without checking around you.

When traffic merges, good observation and speed control help vehicles join safely without sudden braking or conflict.

Vehicle merging from an adjacent lane
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when approaching a temporary lane closure?

95. What should you do when approaching a temporary lane closure?

✓ Follow the temporary signs and merge safely when required.
Reverse back the way you came.
Follow construction vehicles through the closed lane.
Ignore the temporary signs if your lane is still open.

Observe the temporary signs, adjust your speed, and merge safely according to the traffic situation and local rules.

Temporary traffic-lane closure ahead
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you leave extra space when following a large vehicle?

96. Why should you leave extra space when following a large vehicle?

✓ To improve your view ahead and give yourself more time to react.
To reduce the amount of fuel your vehicle uses.
To make overtaking possible without checking ahead.
To make it easier for the large vehicle to accelerate.

A large vehicle can block your view of traffic, signs, junctions, or hazards ahead. Leaving extra space improves your view and gives you more time to react if traffic slows or a hazard develops.

Large vehicle limiting a following driver's view
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you be cautious when following a vehicle carrying a loose load?

97. Why should you be cautious when following a vehicle carrying a loose load?

✓ Objects may fall onto the road.
The vehicle must stop whenever the load shifts.
Loose loads prevent the driver from using the mirrors.
The vehicle must always travel at a lower speed.

A poorly secured load can fall or shift suddenly. Keep extra distance and avoid following too closely.

Vehicle carrying an unsecured load ahead
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid using air recirculation for too long in damp conditions?

98. Why should you avoid using air recirculation for too long in damp conditions?

It can switch off the air conditioning.
✓ It can cause the windows to mist.
It can overheat the engine.
It can reduce tyre pressure.

Using air recirculation for too long in damp conditions can allow moisture to build up inside the vehicle and increase window misting, especially when the air conditioning is not dehumidifying the air. Switching to fresh outside air can help clear condensation.

Air-recirculation setting and misted vehicle windows
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How can worn tyres affect driving in heavy rain?

99. How can worn tyres affect driving in heavy rain?

They clear water from the road more effectively.
✓ They increase the risk of aquaplaning.
They reduce the chance of skidding at low speeds.
They make steering more responsive in heavy rain.

Tyre tread helps channel water away and maintain grip. Worn tyres cannot clear water as effectively, increasing stopping distance and the risk of aquaplaning.

Worn tyre tread and wet-road grip
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when approaching a stop sign?

100. What should you do when approaching a stop sign?

✓ Come to a complete stop before proceeding.
Stop only after entering the junction.
Proceed if the vehicle ahead has already stopped.
Slow down and stop only if traffic is approaching.

A stop sign requires you to come to a complete stop at the required position. Check carefully for other road users and proceed only when it is safe.

Vehicle approaching a stop sign
AI-generated by Traffic-rules.com • WCIT • CC BY-SA