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QuizTraffic rulesIndonesia

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

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

Traffic signs
Traffic rules
Indonesia
True/false 17 Indonesia 20 Car controls 109 Dashboard lights 40 Priority rules 9 Pedestrians 19 Cyclists 20 Show all 587
Why should you check for motorcyclists before changing lanes?

1. Why should you check for motorcyclists before changing lanes?

✓ Motorcycles can be harder to see and may be in your blind spot.
Motorcycles need more road space than cars.
Motorcyclists must stop when a car changes lanes.
Motorcycles always travel faster than other traffic.

Motorcyclists are smaller and can be hidden in blind spots. Check mirrors, signal, and look carefully before changing lanes.

Motorcycle near a vehicle preparing to change lanes
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you normally do after completing an overtake?

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

Slow down before returning to the normal lane.
Stay beside the vehicle until there is another reason to change lanes.
Move back immediately in front of the vehicle you passed.
✓ Return to the normal driving lane when it is safe.

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 should you normally select before leaving an automatic vehicle parked?

3. What should you normally select before leaving an automatic vehicle parked?

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

Select P (Park) before leaving an automatic vehicle parked. Park locks the transmission to help prevent the vehicle from rolling; the parking brake should also be applied.

Park position on an automatic gear selector
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you be careful when taking more than one medicine before driving?

4. Why should you be careful when taking more than one medicine before driving?

✓ Their combined effects may impair your ability to drive.
They may interfere with the vehicle's electronics.
They usually make road signs harder to see.
They may make the vehicle use more fuel.

Different medicines can interact or have combined side effects such as drowsiness, dizziness, blurred vision, or slower reactions. Check the instructions and seek advice from a doctor or pharmacist if you are unsure whether it is safe to drive.

Multiple medicines and their potential effects on driving
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if your vehicle begins to aquaplane?

5. What should you do if your vehicle begins to aquaplane?

✓ Ease off the accelerator and keep steering gently.
Accelerate to push through the water.
Change lanes immediately to find a drier surface.
Brake firmly to force the tyres back onto the road.

Aquaplaning happens when the tyres lose contact with the road surface. Ease off the accelerator, avoid sudden movements, and wait for grip to return.

Vehicle losing tyre contact on a water-covered road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does a green traffic light mean?

6. What does a green traffic light mean?

You have priority over all other road users.
You may enter even if traffic is blocking the junction.
You may turn in any direction without checking the signs.
✓ You may proceed if it is safe.

A green light allows you to continue, but you must still watch for pedestrians, cyclists, and other road users.

Green traffic light at a junction
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you check before towing a trailer?

7. What should you check before towing a trailer?

Check only that the trailer is securely coupled.
Secure the load only if it is heavy.
✓ The coupling, safety connections, lights, tyres, and load.
Check the tyres only if the trailer has been unused.

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

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

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

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
What should you do if an unusual vibration develops in the steering wheel?

9. What should you do if an unusual vibration develops in the steering wheel?

Increase speed until the vibration becomes less noticeable.
Hold the steering wheel more tightly and continue.
Reduce the tyre pressure slightly to smooth the ride.
✓ Reduce speed and have the tyres, wheels, and steering checked.

An unusual vibration may indicate tyre damage, wheel imbalance, loose components, or another mechanical fault. Reduce speed and arrange an inspection.

Driver experiencing vibration through the steering wheel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which colour combination is commonly used for warning signs in Indonesia?

10. Which colour combination is commonly used for warning signs in Indonesia?

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

Most warning signs in Indonesia 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
What is the safest choice if you have consumed alcohol?

11. What is the safest choice if you have consumed alcohol?

✓ Do not drive and arrange a sober form of transport.
Drive slowly and avoid busy roads.
Drive only if you do not feel drunk.
Drink coffee before driving.

Alcohol can impair judgement, coordination, vision, and reaction time. A sober driver, taxi, public transport, or an overnight stay is the safer choice.

Alcohol consumption and the decision not to drive
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should an EV charging cable be positioned where pedestrians may pass?

12. How should an EV charging cable be positioned where pedestrians may pass?

Loose on the ground so pedestrians can step over it.
Around nearby street furniture to keep it under tension.
Across the pavement where it is easiest to see.
✓ So it does not create a trip hazard or obstruct the route.

An EV charging cable should be positioned so it does not create a trip hazard or unnecessarily obstruct pedestrians. Where a cable must cross a walking route, use an appropriate approved cable-management or protection system and follow local requirements.

Charging cable near a pedestrian route
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before driving with a load?

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

Leave light items loose for short journeys.
Place heavy items on top of lighter items.
✓ Make sure it is properly secured and cannot move or fall.
Secure only the heaviest items.

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
Why should pedestrians avoid sudden movements near traffic?

14. Why should pedestrians avoid sudden movements near traffic?

✓ Drivers may not have enough time to react.
Sudden movements are prohibited near traffic.
You lose priority if you change direction suddenly.
Drivers always expect pedestrians to walk straight.

Sudden movements can surprise drivers and reduce the time they have to slow down or stop safely.

Pedestrian movements close to road traffic
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
When should you consider delaying a journey because of severe weather?

15. When should you consider delaying a journey because of severe weather?

✓ When conditions make driving unsafe.
Only when roads are closed.
Never, if the vehicle is in good condition.
Only when your vehicle has no winter tyres.

Severe weather can create dangerous conditions. Delaying a journey may be the safest choice when risks are too high.

Severe weather making a road journey hazardous
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid overtaking when approaching a pedestrian crossing?

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

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.
Vehicles use more braking distance near crossings.

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
What should you do before overtaking a slow-moving vehicle?

17. What should you do before overtaking a slow-moving vehicle?

Use your horn to make the driver move aside.
✓ Check that the road ahead is clear and that overtaking is safe.
Move closer before checking whether the road ahead is clear.
Follow another vehicle that starts overtaking ahead of you.

Before overtaking, make sure you have enough visibility, space, and time. Signal clearly before moving out, do not exceed the speed limit, and never overtake if the road ahead is not clear.

Vehicle preparing to pass slow-moving traffic
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why is a larger following distance needed at motorway speeds?

18. Why is a larger following distance needed at motorway speeds?

It prevents the tyres from becoming too warm.
It makes the vehicle easier to steer.
✓ You need more distance to react and stop safely.
It keeps the engine from working too hard.

At higher speeds, you travel farther during your reaction time and need more distance to brake. A larger gap gives you more time and space to stop safely.

Following distance between vehicles on a motorway
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if traffic ahead is blocking a junction?

19. What should you do if traffic ahead is blocking a junction?

Follow the vehicle ahead into the junction.
Use the horn so traffic ahead moves forward.
Enter if the traffic light is green.
✓ Wait until there is enough space to clear the junction.

Do not enter a junction if traffic ahead prevents you from clearing it safely. Waiting before the junction helps avoid blocking crossing traffic, pedestrians, cyclists, or other road users.

Queue of traffic blocking a junction
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

20. What does this vehicle-control symbol indicate?

Front windscreen demister.
✓ Air recirculation.
Air conditioning.
Rear window demister.

This symbol activates air recirculation, which reduces the amount of outside air entering the vehicle and recirculates air already inside the cabin. It can be useful when driving through polluted air or when cooling the interior quickly.

Cabin air-recirculation control and symbol
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should a passenger normally sit on a motorcycle?

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

With one foot hanging down when travelling slowly.
As far back as possible without using the footrests.
✓ Securely on the passenger seat with both feet on the footrests.
Standing on the footrests when the road is uneven.

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
Should passengers travel in an ordinary goods trailer?

22. Should passengers travel in an ordinary goods trailer?

✓ No, passengers should travel in approved seating positions.
Yes, if the passengers remain seated on the floor.
Yes, if the trailer is travelling at low speed.
Only on short journeys or quiet roads.

An ordinary goods trailer is not designed to carry passengers and normally has no suitable seats or restraint systems. Passengers should travel in seating positions designed and approved for carrying people. Special passenger-carrying trailers may be subject to different local rules.

Ordinary goods trailer and passenger safety
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before overtaking while towing a trailer?

23. What should you do before overtaking while towing a trailer?

Begin overtaking as soon as the road looks clear.
✓ Allow extra time and distance for the manoeuvre.
Assume the trailer will follow the same path as the vehicle.
Accelerate sharply once you move into the other lane.

A towing vehicle accelerates more slowly, and the trailer makes the whole vehicle combination longer. Remember to allow a much larger safe gap before overtaking and enough space to return safely to your lane.

Vehicle preparing to overtake while towing a trailer
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if your lane is blocked by an obstacle?

24. What should you do if your lane is blocked by an obstacle?

✓ Slow down, check carefully, and give way if needed.
Speed up to keep traffic flowing around the obstacle.
Move around it because the obstacle gives you priority.
Signal and expect oncoming traffic to make room.

If your lane is blocked, reduce speed, check mirrors and oncoming traffic, and only move around the obstacle when it is safe.

Obstacle blocking a vehicle's lane
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before driving if snow or ice covers your vehicle?

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

✓ Clear the windows, mirrors, lights, roof, and number plates.
Clear only the windows and mirrors.
Clear only the areas needed for your immediate view.
Leave snow on the roof if it is firmly packed.

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

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

Keep the accelerator pressed.
Keep first gear selected with the clutch pressed.
✓ Select neutral and release the clutch.
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
What should you expect when leaving a tunnel in bright sunlight?

27. What should you expect when leaving a tunnel in bright sunlight?

The road surface becoming more slippery.
The brakes becoming more powerful.
✓ Temporary glare and reduced visibility.
The steering becoming heavier.

Your eyes may need time to adjust from the darker tunnel to bright daylight. Reduce speed if necessary and remain alert.

Bright sunlight at the exit of a road tunnel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

28. What does this vehicle-control symbol indicate?

Window lock.
Boot release.
Mirror adjustment.
✓ Child safety lock.

This control activates the child safety lock. It helps prevent a rear door from being opened from inside the vehicle, depending on the vehicle and system design.

Child safety lock control and symbol
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if your vehicle begins rolling backward on a steep incline?

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

Let it roll backwards and try again.
Accelerate while continuing to roll backward.
✓ Apply the brake, secure the vehicle, and restart carefully.
Open the door and step out.

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

Vehicle rolling backwards on a steep incline
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you leave a safe following distance inside a tunnel?

30. Why should you leave a safe following distance inside a tunnel?

✓ You need enough space to react if traffic slows or stops.
To make it easier for other vehicles to overtake.
Because tunnels usually have a poor road surface.
To prevent your headlights from overheating.

Limited space and visibility can make incidents inside tunnels especially dangerous. A safe gap gives you more time to react.

Gap between vehicles travelling through a tunnel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

31. What does this vehicle-control symbol indicate?

✓ Headlight level adjustment.
Front fog lights.
Instrument-panel brightness.
Automatic headlights.

This control adjusts the vertical aim of the headlights. It can be used to lower the beam when the vehicle is heavily loaded, helping to avoid dazzling other road users.

Control for adjusting the headlight beam height
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if a motorcycle's drive chain is too loose?

32. What should you do if a motorcycle's drive chain is too loose?

Increase speed to keep the chain under tension.
Lubricate it and ignore the loose tension.
Keep riding if the motorcycle still moves normally.
✓ Adjust it correctly or have it checked before riding.

A loose drive chain can affect power transmission, damage components, or come off the sprockets. The chain should have the correct tension and lubrication specified by the motorcycle manufacturer. A chain that is too tight can also cause damage.

Loose drive chain on a motorcycle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you leave extra space behind a vehicle climbing a steep hill?

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

✓ It may slow down suddenly or roll backward.
Its headlights may point higher uphill.
Its tyres may warm up more quickly.
Its engine may become louder on the hill.

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
Which selector position is used to drive the vehicle backwards?

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

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

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
You should follow the vehicle in front as closely as possible in traffic.

35. You should follow the vehicle in front as closely as possible in traffic.

True.
✓ False.

You should keep a safe following distance so you have enough time to react if traffic slows or stops suddenly.

Vehicle following closely behind another vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

36. What does this dashboard symbol indicate?

Electronic stability control.
Lane-departure warning.
Parking assistance.
✓ Forward-collision warning.

This symbol relates to the forward-collision warning or automatic emergency braking system. It may warn the driver when the vehicle detects a risk of collision with traffic ahead.

Forward-collision warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when construction vehicles enter or leave the road?

37. What should you do when construction vehicles enter or leave the road?

Accelerate before the vehicle reaches the road.
✓ Slow down and be prepared for them to move across your path.
Use your horn so the driver waits for you.
Assume it will stop before entering your lane.

Construction vehicles may move slowly, have limited visibility, or carry loose material. Give them time and space to manoeuvre.

Construction vehicle entering or leaving a road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the service brakes fail while driving?

38. What should you do if the service brakes fail while driving?

✓ Reduce speed using other available braking methods and stop safely.
Switch off the engine immediately while moving.
Shift into neutral and let the vehicle coast to a stop.
Apply the parking brake suddenly at full force.

Remain calm, warn other road users, and use other available braking methods to reduce speed. This may include engine braking or a lower gear, and careful use of the parking or emergency brake according to the vehicle's design. Steer toward the safest available stopping area.

Vehicle braking-system failure while driving
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you increase your following distance on wet roads?

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

✓ Because braking distances are longer.
Because vehicles ahead have priority in rain.
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
What should you do before turning across a cycle lane?

40. What should you do before turning across a cycle lane?

Sound your horn and turn immediately.
Ignore the cycle lane if you are signalling.
Enter the cycle lane without checking behind.
✓ Check mirrors and blind spots carefully for cyclists.

Cyclists may be beside or behind you when you turn. Check mirrors and blind spots, signal clearly, and turn only when it is safe.

Vehicle preparing to turn across a cycle lane
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when livestock are on the road?

41. What should you do when livestock are on the road?

Drive through the group before it spreads across the road.
Use the verge to pass the animals.
✓ Slow down and follow the instructions of the person controlling them.
Follow closely so other traffic can overtake.

Livestock may spread across the road, stop suddenly, or change direction without warning. Slow down, keep a safe distance, avoid sudden movements or loud noises, and follow any instructions from the person controlling the animals.

Livestock being moved along a road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the button on a seat-belt buckle used for?

42. What is the button on a seat-belt buckle used for?

✓ To release the seat belt.
To tighten the shoulder belt.
To adjust the belt height.
To lock the seat in position.

Pressing the button on the seat-belt buckle releases the latch so the belt can be unfastened. Keep the seat belt fastened whenever required while the vehicle is moving.

Release button on a seat-belt buckle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should the seat-belt height be adjusted correctly?

43. Why should the seat-belt height be adjusted correctly?

To prevent the seat from moving.
To make the belt easier to unfasten.
To increase the length of the lap belt.
✓ To position the shoulder belt correctly across the body.

The seat-belt height adjustment helps position the shoulder belt correctly across the chest and shoulder. It should not run across the neck or under the arm.

Height adjustment for the shoulder section of a seat belt
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if a trailer begins to sway?

44. What should you do if a trailer begins to sway?

Steer quickly from side to side.
Brake hard as soon as the sway begins.
Move into another lane to create more space.
✓ Ease off the accelerator and reduce speed smoothly.

Sudden steering or braking can worsen trailer sway. Stay calm, hold a steady course, and reduce speed smoothly.

Trailer swaying behind a towing vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which control is normally used to switch between dipped and main beam headlights?

45. Which control is normally used to switch between dipped and main beam headlights?

The hazard warning switch.
✓ The lighting stalk.
The dashboard brightness control.
The windscreen-wiper stalk.

The lighting stalk is normally used to switch between dipped and main beam headlights. The exact movement varies between vehicles, so check the vehicle controls before driving.

Lighting stalk for switching between dipped and main beam
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when approaching a narrow road with oncoming traffic?

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

✓ Slow down and give space when needed.
Continue first if you entered the narrow section earlier.
Expect the oncoming driver to make room for you.
Maintain your speed if there appears to be enough room.

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

Oncoming vehicles approaching a narrow stretch of road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What word is commonly shown on STOP signs in Indonesia?

47. What word is commonly shown on STOP signs in Indonesia?

ALTO.
DUR.
PARE.
✓ STOP.

In Indonesia, STOP signs commonly display the word STOP.

Different wording used on stop signs
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

48. What does this vehicle-control symbol indicate?

✓ Rear window wiper.
Windscreen washer.
Windscreen wiper.
Front windscreen demister.

This symbol controls the rear window wiper. Depending on the vehicle, the same control may also operate the rear-window washer.

Rear-window wiper control and symbol
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should a cyclist react to a pothole?

49. How should a cyclist react to a pothole?

Keep your speed and pass as close as possible.
Brake hard just before reaching the pothole.
✓ Check surroundings, reduce speed, and avoid it smoothly.
Swerve around it as soon as you notice it.

Sudden swerving can place you in the path of traffic. Check your surroundings and change direction gradually.

Cyclist approaching a pothole
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?

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

Increase the tyre pressure and continue driving.
✓ Stop using the tyre and arrange professional inspection or replacement.
Move the damaged tyre to another wheel position.
Drive slowly until the next scheduled service.

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