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QuizTraffic rulesJapan

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
Japan
True/false 17 Japan 22 Car controls 109 Dashboard lights 40 Priority rules 9 Pedestrians 19 Cyclists 20 Show all 589
Where should passengers get in or out of a vehicle when possible?

551. Where should passengers get in or out of a vehicle when possible?

✓ On the side away from moving traffic.
From the driver's side in every situation.
On the side closest to approaching traffic.
Through whichever door opens first.

Passengers should get in or out on the side away from moving traffic whenever possible. This is particularly important for children, who may not recognise approaching traffic or other road users. Before opening any door, check that it is safe.

Passenger leaving a vehicle on the side away from traffic
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Can drivers use a handheld phone while driving in Japan?

552. Can drivers use a handheld phone while driving in Japan?

Yes.
✓ No.

Drivers in Japan are generally not allowed to use a handheld phone while driving.

Driver using a handheld phone
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should luggage or other cargo be carried in or on a vehicle?

553. How should luggage or other cargo be carried in or on a vehicle?

✓ Securely, within load limits, without blocking visibility or lights.
Loosely in the passenger area for short journeys.
Anywhere, as long as the vehicle is not overloaded.
Where it is easiest to reach while driving.

Unsecured or overloaded cargo can affect steering and braking, injure occupants during sudden stops, or fall into the road. It must not obstruct the driver's view or vehicle lights.

Luggage and cargo carried in a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What normally happens to cruise control when you press the brake pedal?

554. What normally happens to cruise control when you press the brake pedal?

The selected speed increases.
The parking brake is applied.
The accelerator pedal locks in position.
✓ Cruise control is cancelled or temporarily disengaged.

Pressing the brake pedal normally cancels or temporarily disengages cruise control, returning speed control to the driver.

Brake-pedal operation to disengage cruise control
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you remember when using driver-assistance systems?

555. What should you remember when using driver-assistance systems?

✓ You remain responsible and must stay alert.
You only need to intervene when a warning appears.
The systems can always detect every hazard.
The systems can take full responsibility for driving.

Driver-assistance systems can help with tasks such as maintaining speed, monitoring lanes, or warning about hazards, but they do not replace the driver. Stay attentive, monitor the road and traffic, and be ready to take control whenever necessary.

Driver monitoring the road while using driver assistance
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should loose clothing be avoided when riding a motorcycle?

556. Why should loose clothing be avoided when riding a motorcycle?

It can reduce the pressure in the tyres.
It can make the brakes overheat.
It can prevent the engine from cooling properly.
✓ It can become caught in moving parts or distract the rider.

Loose clothing, straps or scarves can flap in the wind or become caught in moving parts such as the chain or wheel. Motorcycle clothing should fit securely and should not have loose items that could interfere with safe riding.

Motorcyclist wearing loose clothing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before driving with a load?

557. What should you do before driving with a load?

✓ Make sure it is properly secured and cannot move or fall.
Leave light items loose for short journeys.
Secure only the heaviest items.
Check the load only after you have started driving.

An unsecured load can shift, affect vehicle control, or fall into the road. Check that everything is safely restrained before moving.

Checking a vehicle's load before setting off
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if an object falls into the driver's footwell while driving?

558. What should you do if an object falls into the driver's footwell while driving?

Use your foot to push it towards the passenger side.
Reach down and remove it while continuing to drive.
✓ Keep control and stop safely before retrieving it.
Keep driving unless the object touches a pedal.

Do not reach down for an object while driving, as this takes your attention away from the road and can affect vehicle control. If something falls into the driver's footwell, keep control of the vehicle and stop somewhere safe before removing it.

Dropped object close to the driver's pedals
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which colour combination is commonly used for warning signs in Japan?

559. Which colour combination is commonly used for warning signs in Japan?

Blue border with white background.
Red border with white background.
✓ Black border with yellow background.
Red border with yellow background.

Most warning signs in Japan have a black border with a yellow background.

Colour combinations used for road warning signs
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you wear suitable footwear when driving?

560. 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
What should you do if a tyre has a deep cut, bulge, or exposed cords?

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

✓ Stop using the tyre and arrange professional inspection or replacement.
Drive slowly until the next scheduled service.
Move the damaged tyre to another wheel position.
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
What should you do if passengers are distracting you while driving?

562. What should you do if passengers are distracting you while driving?

Drive faster so you can finish the journey sooner.
Continue the conversation while watching the road.
Ignore the traffic until the distraction has passed.
✓ Ask them to stop and keep your attention on the road.

Passengers can reduce a driver's attention and concentration. If their behaviour becomes distracting, ask them to stop and keep your focus on driving. If necessary, stop somewhere safe before dealing with the situation.

Passengers distracting a driver
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should cyclists do when approaching a junction?

563. What should cyclists do when approaching a junction?

Accelerate so you spend less time at the junction.
Watch only the traffic directly ahead of you.
Rely on other road users to give way to you.
✓ Reduce speed, observe carefully, and be ready to stop.

Junctions create conflict points between road users. Slowing down gives you more time to see hazards and react safely.

Cyclist approaching a road junction
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you check before starting a long journey?

564. What should you check before starting a long journey?

Nothing if the vehicle was recently serviced.
Only the lights if you plan to drive at night.
Only the dashboard warning lights.
✓ Tyres, lights, fluids, windows, mirrors, and essential equipment.

A brief vehicle check can reveal tyre damage, low fluid levels, faulty lights, or visibility problems before they cause danger. Also confirm that any spare wheel or tyre-repair equipment is available and usable.

Vehicle safety checks before a long journey
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you follow the manufacturer's service schedule?

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

It means routine checks between services are unnecessary.
✓ Regular servicing can identify wear and maintain safety and reliability.
It prevents normal wear on important vehicle components.
It allows vehicle problems to be ignored until the next service.

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
Why can headphones or very loud music be dangerous while driving?

566. Why can headphones or very loud music be dangerous while driving?

✓ They can make important warning sounds harder to hear.
They can make road signs harder to read.
They can prevent the horn from working properly.
They can make the mirrors more difficult to adjust.

Headphones or very loud music can reduce your awareness of horns, sirens, warning sounds, and surrounding traffic. Keep the volume at a level that allows you to remain aware of what is happening around the vehicle.

Driver wearing headphones at the wheel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you normally do with the gearbox during a longer stop in a manual vehicle?

567. What should you normally do with the gearbox during a longer stop in a manual vehicle?

✓ Select neutral and release the clutch.
Keep first gear selected with the clutch pressed.
Keep the accelerator pressed.
Select reverse gear.

During a longer stop, selecting neutral and releasing the clutch can reduce unnecessary strain on the clutch release mechanism. Keep the vehicle securely held with the brake or parking brake as appropriate.

Neutral gear selection during a longer stop
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid changing lanes inside an intersection?

568. Why should you avoid changing lanes inside an intersection?

It can make road markings harder to follow.
It can make it harder to maintain a steady speed.
It can reduce the effectiveness of your indicators.
✓ It can confuse other road users and increase collision risk.

Changing lanes inside an intersection can surprise drivers, cyclists, and pedestrians. It is safer to choose the correct lane before entering.

Vehicle changing lanes within a junction
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if fuel spills while you are refuelling?

569. What should you do if fuel spills while you are refuelling?

Start the engine and move the vehicle immediately.
Wash the spill away with water and continue refuelling.
✓ Stop refuelling, avoid ignition sources, and alert station staff.
Ignore the spill if only a small amount escaped.

If fuel is spilled, stop refuelling immediately and keep flames, sparks, and other ignition sources away. Do not start the vehicle until the situation is safe. Alert filling-station staff and follow their instructions for dealing with the spill.

Fuel spilled during refuelling
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you be cautious when following a vehicle carrying a loose load?

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

✓ Objects may fall onto the road.
The vehicle must always travel at a lower speed.
Loose loads prevent the driver from using the mirrors.
Loose loads give the vehicle priority when changing lanes.

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
Should the side stand be fully raised before riding a motorcycle?

571. Should the side stand be fully raised before riding a motorcycle?

No, it only needs to be raised on motorways.
Yes, but only when carrying a passenger.
No, the stand helps stabilise the motorcycle while moving.
✓ Yes, a lowered stand could catch the road and affect control.

The side stand should be fully raised before riding. If it remains down, it may strike the road surface, particularly when turning, and could cause the rider to lose control.

Motorcycle side stand and pre-ride checks
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which gear is normally used when moving off from a standstill?

572. Which gear is normally used when moving off from a standstill?

Neutral.
Reverse.
2nd gear.
✓ 1st gear.

1st gear is normally used when moving off from a standstill because it provides the greatest pulling power at low speed.

Manual gear lever and gear-selection pattern
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What may happen when you press the accelerator fully in an automatic vehicle?

573. What may happen when you press the accelerator fully in an automatic vehicle?

The parking brake applies automatically.
✓ The transmission may shift to a lower gear for stronger acceleration.
The engine switches off.
The transmission selects Park.

In many automatic vehicles, pressing the accelerator fully can activate kickdown, causing the transmission to select a lower gear and provide stronger acceleration.

Accelerator-pedal operation for automatic kickdown
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

574. What does this vehicle-control symbol indicate?

✓ Exterior mirror folding.
Central door locking.
Seat adjustment.
Exterior mirror adjustment.

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
How does higher speed affect a vehicle's stopping distance?

575. How does higher speed affect a vehicle's stopping distance?

It affects braking distance only on wet roads.
It has no effect if the brakes are in good condition.
It affects reaction distance but not braking distance.
✓ It increases the distance needed to stop.

As speed increases, the vehicle travels farther while the driver reacts and requires more distance to brake. This means the total stopping distance increases significantly as speed rises.

Vehicle speed and the distance needed to stop
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do after fitting a temporary spare wheel?

576. What should you do after fitting a temporary spare wheel?

✓ Follow its speed and distance restrictions and replace it as soon as possible.
Use it as a permanent replacement if it looks undamaged.
Drive normally if the vehicle feels stable.
Increase its pressure to match the other tyres.

Temporary spare wheels may have limited speed, distance, and handling capabilities. Arrange a proper repair or replacement promptly.

Temporary spare wheel fitted to a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do with a child restraint after a collision?

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

Replace only the seat cover.
Use it normally after tightening the straps.
✓ Follow the manufacturer's instructions about inspection or replacement.
Keep using it if no damage is visible.

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 can slow engine cranking or dim lights indicate?

578. What can slow engine cranking or dim lights indicate?

A wheel-alignment problem.
✓ A weak battery or charging-system problem.
A blocked air filter.
Incorrect tyre pressure.

Slow starting, dim lights, or repeated battery warnings can indicate a weak battery, poor electrical connection, or a fault in the charging system.

Vehicle battery and difficulty starting the engine
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before overtaking another vehicle?

579. What should you do before overtaking another vehicle?

✓ Make sure it is safe and allowed.
Overtake whenever the vehicle ahead is moving slowly.
Signal and expect other traffic to make room.
Move out first and check whether the road is clear.

Before overtaking, check the road, mirrors, blind spots, signs, and markings, use your indicator, and only overtake when it is safe and permitted.

Vehicle preparing to overtake another vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why must luggage or other objects not obstruct the driver's view?

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

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

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 this dashboard symbol indicate?

581. What does this dashboard symbol indicate?

✓ Charging-system warning.
Engine-temperature warning.
Oil-pressure warning.
Engine-management 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
Why is it dangerous to cross while listening to loud music?

582. Why is it dangerous to cross while listening to loud music?

It makes you walk more slowly across the road.
Drivers may not hear you crossing.
✓ You may not hear approaching traffic.
You may not see approaching traffic clearly.

Loud music can reduce your awareness of vehicles, bicycles, horns, and other warning sounds.

Pedestrian listening to music while crossing the road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

583. What does this dashboard symbol indicate?

Windscreen washer.
Air conditioning.
Air recirculation.
✓ Rear window demister.

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
What is a danger of driving a petrol or diesel vehicle with the boot or tailgate open?

584. What is a danger of driving a petrol or diesel vehicle with the boot or tailgate open?

The vehicle can become too heavy at the rear.
✓ Exhaust fumes can be drawn into the passenger compartment.
The boot warning light may remain on.
The rear window demister may stop working.

Driving with the boot or tailgate open can allow exhaust gases to be drawn into the vehicle. Exhaust fumes may contain carbon monoxide, which is poisonous and may be difficult to detect. Keep the luggage compartment properly closed while driving whenever possible.

Open vehicle tailgate and exhaust-fume risk
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid wearing dark clothing at night?

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

✓ Drivers may have difficulty seeing you.
Dark clothing reflects more light from vehicles.
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 if a direction indicator does not cancel after a turn?

586. What should you do if a direction indicator does not cancel after a turn?

Switch on the hazard warning lights.
Press the horn.
✓ Return the indicator control to its neutral position.
Leave it flashing until the next turn.

Direction indicators often cancel automatically after a turn, but if an indicator remains on, return the indicator control to its neutral position so you do not mislead other road users.

Returning the indicator stalk to its neutral position
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid selecting N while driving downhill in an automatic vehicle?

587. Why should you avoid selecting N while driving downhill in an automatic vehicle?

It applies the parking brake.
It increases engine braking.
It automatically selects a lower gear.
✓ It reduces engine braking and vehicle control.

Selecting N (Neutral) while driving downhill disconnects the engine from the driven wheels, reducing engine braking. Keep an appropriate drive or gear selected so you can maintain better control of the vehicle.

Neutral selection and downhill coasting in an automatic vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What do the + and − controls normally adjust when the speed limiter is active?

588. What do the + and − controls normally adjust when the speed limiter is active?

✓ The selected maximum speed.
The engine idle speed.
The transmission gear.
The following distance.

When the speed limiter is active, the + and − controls normally increase or decrease the selected maximum speed. The exact adjustment steps can vary between vehicles.

Plus and minus controls for the speed limiter
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why are roads especially slippery during rain after a dry period?

589. Why are roads especially slippery during rain after a dry period?

Tyres need time to adjust to a wet road.
✓ Oil, dust, and dirt mix with water on the road surface.
Cold rain quickly reduces the tyre pressure.
Rain temporarily reduces the weight of the vehicle.

After a dry period, oil and dirt can build up on the road. The first rain mixes with them and can make the surface very slippery.

Rain falling on a road after dry weather
AI-generated by Traffic-rules.com • WCIT • CC BY-SA