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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
Which selector position is used to drive the vehicle backwards?

451. Which selector position is used to drive the vehicle backwards?

✓ R (Reverse).
P (Park).
N (Neutral).
D (Drive).

Select R (Reverse) when you need to drive the vehicle backwards. The vehicle should be stationary before selecting Reverse.

Automatic gear selector with P, R, N and D positions
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when reversing with a trailer?

452. What should you do when reversing with a trailer?

Reverse quickly to keep the trailer straight.
✓ Reverse slowly and make small steering corrections.
Ask a guide to stand directly behind the trailer.
Watch only the trailer and ignore surrounding traffic.

Trailers react quickly to steering while reversing. Move slowly, observe carefully, and use a guide only from a safe visible position.

Vehicle reversing with a trailer
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How can the parking brake help when moving off uphill?

453. How can the parking brake help when moving off uphill?

It releases the clutch.
It selects a lower gear automatically.
✓ It can prevent the vehicle from rolling backwards.
It increases engine power.

When moving off uphill, the parking brake can hold the vehicle stationary while you prepare to move. Release it smoothly once the clutch reaches the biting point and sufficient power is applied.

Parking-brake control during an uphill start
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

454. What does this vehicle-control symbol indicate?

Rear window demister.
✓ Windscreen wiper speed.
Automatic headlights.
Windscreen washer.

This symbol relates to the windscreen wipers. The control allows the driver to select an appropriate wiping mode or speed for the amount of rain and visibility conditions.

Windscreen-wiper control for adjusting wiping speed
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you check before connecting an electric vehicle to a charger?

455. What should you check before connecting an electric vehicle to a charger?

That the charger provides its maximum power.
That the vehicle doors remain unlocked.
That the vehicle's headlights are switched on.
✓ That the connector and charging equipment are suitable for the vehicle.

Charging connectors and charging capabilities can vary between vehicles and charging stations. Use compatible charging equipment that is suitable for the vehicle and follow the vehicle and charger manufacturer's instructions.

Matching an electric vehicle's connector to suitable charging equipment
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

456. What does this dashboard symbol indicate?

✓ Lane-departure warning.
Adaptive cruise control.
Electronic stability control.
Automatic emergency braking.

This symbol relates to the lane-departure warning or lane-keeping system. The system monitors the vehicle's position within its lane and may warn the driver if the vehicle begins to leave the lane unintentionally.

Lane-departure warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you normally do with the accelerator when changing to a higher gear?

457. What should you normally do with the accelerator when changing to a higher gear?

Press it fully while pressing the clutch.
Press the brake pedal instead.
✓ Ease off it while pressing the clutch.
Keep it pressed at the same position.

When changing to a higher gear, ease off the accelerator as you press the clutch and select the next gear. Release the clutch smoothly and then apply the accelerator progressively.

Changing to a higher gear in a manual vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid unnecessary lane changes in roadworks?

458. Why should you avoid unnecessary lane changes in roadworks?

Changing lanes helps traffic move faster through roadworks.
✓ Narrow lanes and changing layouts increase the risk of collision.
Lane changes are safer when traffic is moving slowly.
Temporary lanes are designed for frequent lane changes.

Frequent lane changes create additional risk where space is limited and drivers are already adapting to temporary layouts.

Vehicles travelling through restricted roadworks lanes
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

459. What does this vehicle-control symbol indicate?

✓ Steering-wheel adjustment.
Cruise control.
Exterior mirror adjustment.
Seat adjustment.

This control adjusts the position of the steering wheel. Depending on the vehicle, the steering wheel may be moved up or down and forwards or backwards to obtain a safe and comfortable driving position.

Control for adjusting the steering-wheel position
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which vehicles are especially vulnerable to strong crosswinds?

460. Which vehicles are especially vulnerable to strong crosswinds?

Vehicles without winter tyres.
✓ High-sided vehicles such as trucks, buses, and vans.
Vehicles with full fuel tanks.
Low, heavily loaded 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 should you do if the accelerator becomes stuck while you are driving?

461. What should you do if the accelerator becomes stuck while you are driving?

✓ Select neutral, brake firmly, and steer to a safe stopping place.
Press the accelerator harder to try to free it.
Keep driving and wait for the accelerator to release.
Switch off the engine immediately before selecting neutral.

Selecting neutral disconnects engine power from the wheels. Brake firmly, maintain steering control, and switch off the engine after stopping safely.

Stuck accelerator pedal in a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should cyclists cross railway or tram tracks?

462. How should cyclists cross railway or tram tracks?

Keep the wheels parallel with the rails while crossing.
Brake firmly while the front wheel is on the rail.
✓ Cross at a safe angle, as close to perpendicular as possible.
Follow the rails briefly before crossing them.

A bicycle wheel can become trapped in a rail groove. Crossing at a wider angle reduces this risk.

Cyclist crossing rails in the road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you not use water on a fire involving live electrical equipment?

463. 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
What should a motorcyclist do when approaching loose gravel?

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

Accelerate sharply to cross it quickly.
✓ Reduce speed before reaching it and use smooth controls.
Brake hard while riding over it.
Lean the motorcycle more than usual.

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
Which selector position is used for normal forward driving?

465. Which selector position is used for normal forward driving?

✓ D (Drive).
R (Reverse).
P (Park).
N (Neutral).

Select D (Drive) for normal forward driving in a vehicle with an automatic transmission. The transmission then selects the appropriate gear automatically.

Automatic gear selector with P, R, N and D positions
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Where should you change a wheel after a puncture?

466. Where should you change a wheel after a puncture?

Where the puncture occurred, as long as the hazard lights are on.
On soft ground if the jack appears stable.
✓ On firm, level ground well away from moving traffic.
As close to moving traffic as possible to keep off the verge.

The vehicle must be stable and protected from traffic. Apply the parking brake and follow the manufacturer's wheel-changing instructions.

Wheel change on firm ground away from traffic
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

467. What does this dashboard symbol indicate?

Lane-departure warning.
Electronic stability control.
Automatic emergency braking.
✓ Parking assistance.

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
Who is responsible for staying safe when crossing the road?

468. Who is responsible for staying safe when crossing the road?

✓ Everyone using the road.
Only the road user without priority.
Only the person who creates the danger.
Only drivers when pedestrians have priority.

Road safety is a shared responsibility. Pedestrians, drivers, and cyclists all need to stay alert and follow the rules.

Pedestrians and traffic sharing a road crossing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you check before towing a trailer?

469. What should you check before towing a trailer?

Check the lights after you have started driving.
✓ The coupling, safety connections, lights, tyres, and load.
Check only that the trailer is securely coupled.
Secure the load only if it is heavy.

The trailer must be correctly connected and roadworthy. Its lights, tyres, safety connections, and load should all be checked.

Checking a trailer before towing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

470. What does this dashboard symbol indicate?

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

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
Who should always wear a seat belt?

471. Who should always wear a seat belt?

Only people in the front seats.
Only children and young passengers.
Only people in seats without airbags.
✓ Everyone in the vehicle.

Seat belts greatly reduce the risk of serious injury in a crash and should be worn by everyone in the vehicle.

Vehicle occupants wearing seat belts
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you leave space when cycling beside parked cars?

472. Why should you leave space when cycling beside parked cars?

Because parked vehicles have priority over cyclists.
Because the road could be slippery beside parked cars.
To stay outside the marked parking area.
✓ A door may open suddenly.

A driver or passenger may open a door without seeing you. Leaving space reduces the risk of a dooring collision.

Cyclist riding beside parked cars
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do with the steering wheel after completing a turn?

473. What should you do with the steering wheel after completing a turn?

Hold it in the turned position.
Turn it quickly in the opposite direction.
✓ Guide it smoothly back towards the straight-ahead position.
Release it completely and let it spin freely.

After completing a turn, guide the steering wheel smoothly back towards the straight-ahead position while maintaining control. Do not allow the wheel to spin freely through your hands.

Guiding the steering wheel back after a turn
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

474. What does this vehicle-control symbol indicate?

✓ Electronic parking brake.
Automatic brake hold.
Parking assistance.
Brake-system warning.

This control operates the electronic parking brake. Pulling or pressing the switch applies or releases the parking brake, depending on the vehicle.

Electronic parking-brake switch and symbol
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when approaching stationary or slow-moving traffic on a motorway?

475. What should you do when approaching stationary or slow-moving traffic on a motorway?

✓ Reduce speed early and be prepared to stop.
Change lanes immediately to avoid slowing down.
Maintain speed until you are close to the queue.
Follow the vehicle ahead closely to keep traffic moving.

Motorway queues can appear suddenly. Early braking gives following traffic more time to react.

Slow-moving traffic ahead on a motorway
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Should the legal alcohol limit be treated as a safe target?

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

Yes, if you know exactly how much you have drunk.
✓ No, impairment can begin before the legal limit is reached.
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
Where should passengers wait after safely leaving a broken-down vehicle?

477. Where should passengers wait after safely leaving a broken-down vehicle?

Stand between the vehicle and the safety barrier.
Wait just behind the vehicle away from the traffic lane.
Wait close beside the vehicle where drivers can see you.
✓ In a protected place well away from moving traffic.

Move passengers, children, and pets away from the carriageway. On high-speed roads, wait behind a safety barrier where possible.

Passengers moving away from a broken-down vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before driving if snow or ice covers your vehicle?

478. What should you do before driving if snow or ice covers your vehicle?

Leave snow on the roof if it is firmly packed.
Let the heater clear the ice while you drive.
✓ Clear the windows, mirrors, lights, roof, and number plates.
Clear only the windows and mirrors.

You need a clear view in every direction. Snow or ice left on the roof can also fall or blow onto other road users.

Clearing snow and ice from a vehicle before driving
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Where should you normally wait after a breakdown on a high-speed road?

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

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.
Between the vehicle and the safety barrier.

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
Speed limits only apply when there is heavy traffic.

480. Speed limits only apply when there is heavy traffic.

True.
✓ False.

Speed limits apply at all times unless a different limit is clearly indicated.

Speed-limit sign beside a road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid overloading a trailer?

481. Why should you avoid overloading a trailer?

It improves braking on steep roads.
It reduces tyre wear on the towing vehicle.
✓ It can reduce stability and place excessive strain on the vehicle.
It makes the trailer easier to control.

Overloading can affect braking, steering, tyres, suspension, and trailer stability. Always remain within permitted limits. After loading, check that the load is secure and correctly distributed before starting your journey.

Loaded trailer and towing limits
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if illness affects your ability to drive safely?

482. What should you do if illness affects your ability to drive safely?

✓ Do not drive until you are fit to do so.
Drive slowly and avoid busy roads.
Drive only if the journey is short.
Open a window to help you stay alert.

Illness can reduce concentration, alertness, coordination, or reaction time. If you do not feel fit to drive safely, postpone the journey or use another form of transport.

Driver feeling unwell before a journey
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does AUTO on a windscreen-wiper control normally do?

483. What does AUTO on a windscreen-wiper control normally do?

✓ Operates the wipers automatically when rain is detected.
Operates only the rear wiper.
Sprays washer fluid automatically.
Runs the wipers continuously at maximum speed.

When AUTO is selected, a rain sensor can operate the windscreen wipers automatically and adjust their operation according to the amount of moisture detected on the windscreen.

AUTO setting on the windscreen-wiper control
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you check your mirrors regularly while driving?

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

To avoid having to check your blind spots.
To judge your speed from vehicles behind.
To see whether road signs behind you have changed.
✓ To stay aware of traffic around you.

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 should you do if another road user makes a mistake?

485. What should you do if another road user makes a mistake?

Use your horn repeatedly to express your frustration.
Immediately overtake them to get past the situation.
✓ Stay calm and avoid creating more danger.
Drive closer so they notice your presence.

Road users can make mistakes. Staying calm and reacting safely helps prevent crashes.

Driver responding to another road user's mistake
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should a seat belt not be twisted when worn?

486. Why should a seat belt not be twisted when worn?

✓ A flat belt spreads collision forces more effectively.
A twisted belt prevents the airbags from working.
A twisted belt can cause the buckle to open.
A twisted belt makes the brakes less effective.

A seat belt should lie flat against the body without twists. A twisted belt concentrates force over a smaller area and may provide less effective protection in a collision.

Twisted seat belt across an occupant's body
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you leave extra space behind a vehicle carrying animals?

487. Why should you leave extra space behind a vehicle carrying animals?

✓ Because it may move slowly or stop unexpectedly.
Because they cannot use their horn.
Because they must always travel in the centre of the road.
Because these vehicles always have priority.

Vehicles transporting animals may accelerate slowly, take bends carefully, or brake gently to protect their load.

Vehicle following an animal transporter
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

488. What does this dashboard symbol indicate?

✓ Main beam.
Rear fog lights.
Sidelights.
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 does this vehicle-control symbol indicate?

489. What does this vehicle-control symbol indicate?

Mirror adjustment.
Steering-wheel adjustment.
Lumbar support.
✓ Seat adjustment.

This control adjusts the position of the seat. Depending on the vehicle, it may move the seat forwards or backwards, raise or lower it, or change the backrest angle.

Control for adjusting the driver's seat
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

490. What does this dashboard symbol indicate?

Low tyre pressure.
Electronic stability control.
✓ Four-wheel-drive system.
Parking assistance.

This symbol relates to the vehicle's four-wheel-drive system, which can transmit power to all four wheels. The exact symbol and operating modes vary between vehicles.

Four-wheel-drive system symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do with the clutch during emergency braking in a manual vehicle?

491. What should you do with the clutch during emergency braking in a manual vehicle?

Keep it partly pressed.
Release it suddenly.
✓ Press it fully while maintaining firm brake pressure.
Pump it repeatedly.

During emergency braking in a manual vehicle, maintain firm pressure on the brake and press the clutch pedal fully so the engine does not stall as the vehicle slows. Do not reduce braking pressure while operating the clutch.

Brake and clutch operation during an emergency stop
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if medicine makes you feel drowsy?

492. What should you do if medicine makes you feel drowsy?

✓ Do not drive until the effect has passed.
Drink coffee before driving.
Drive only for short distances.
Drive slowly and avoid motorways.

If a medicine causes drowsiness, your concentration, judgement, and reaction time may be reduced. Do not drive until you are fit to do so and the effect has passed.

Drowsiness after taking medicine
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do after stopping because of a breakdown?

493. What should you do after stopping because of a breakdown?

Stand behind the vehicle to warn approaching traffic.
Switch off the hazard lights once the vehicle has stopped.
Leave the parking brake off if the road is level.
✓ Apply the parking brake, switch off the engine, and use hazard lights.

Secure the vehicle so that it cannot move and use the hazard warning lights to alert approaching traffic. Where required and safe, place a warning triangle to give additional warning.

Broken-down vehicle with hazard warning lights
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if another driver behaves aggressively towards you?

494. What should you do if another driver behaves aggressively towards you?

Speed up to prevent them from passing you.
Respond with your horn and gestures.
✓ Stay calm, avoid confrontation, and create more distance.
Stop beside them so you can discuss the problem.

If another driver behaves aggressively, do not retaliate or become involved in a confrontation. Stay calm, increase the distance between you, and let the other vehicle move away when possible. If you feel threatened, go to a safe public place and seek appropriate assistance.

Driver facing aggressive behaviour from another road user
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
When should you select R (Reverse) in an automatic vehicle?

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

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

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
What should you do before reversing your vehicle?

496. 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 adjust your speed in bad weather?

497. Why should you adjust your speed in bad weather?

✓ Because visibility and grip may be reduced.
To make the windscreen wipers work better.
To reduce fuel consumption.
To keep the engine from overheating.

Rain, snow, fog, and ice can reduce visibility and tyre grip. Lower speed gives you more time and distance to react and stop safely.

Vehicle travelling in poor weather
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Does driving at the speed limit always mean your speed is safe?

498. Does driving at the speed limit always mean your speed is safe?

✓ No, you may need to drive more slowly for the conditions.
Yes, if your vehicle is in good condition.
Yes, the speed limit is always the safest speed.
Yes, if the road ahead appears clear.

A speed limit is a maximum permitted speed, not a target. You may need to drive more slowly because of traffic, poor visibility, weather, road conditions, pedestrians, cyclists, or other hazards.

Speed-limit sign and changing road conditions
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why must you take wider turns when towing a trailer?

499. Why must you take wider turns when towing a trailer?

The trailer always follows the same path as the towing vehicle.
Wider turns decrease tyre wear.
✓ The trailer follows a tighter path than the towing vehicle.
Wide turns prevent the trailer from swaying.

Trailer wheels cut closer to the inside of a turn. Allow enough clearance from kerbs, signs, pedestrians, and other vehicles.

Towing vehicle and trailer negotiating a turn
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should motorcyclists take extra care on wet road markings?

500. Why should motorcyclists take extra care on wet road markings?

They can increase the motorcycle's engine temperature.
They can cause the tyre pressure to rise suddenly.
They can prevent the indicators from working.
✓ They can provide less grip than the surrounding road.

Wet painted road markings can provide less grip than the surrounding road surface. Ride smoothly over them and avoid sudden braking, acceleration or steering that could cause the tyres to lose grip.

Motorcycle approaching wet painted road markings
AI-generated by Traffic-rules.com • WCIT • CC BY-SA