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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
When should you use rear fog lights?

151. When should you use rear fog lights?

When driving on an unlit road.
When driving on high-speed roads at night.
✓ When visibility is seriously reduced by fog or similar conditions.
When visibility is slightly reduced.

Rear fog lights are very bright and should only be used when visibility is poor enough to require them.

Rear fog lights used in severely reduced visibility
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

152. What does this dashboard symbol indicate?

✓ Low tyre pressure.
Brake-system warning.
Engine-management warning.
Power-steering warning.

This symbol indicates that one or more tyres may have low pressure. Check the tyre pressures and inspect the tyres for damage or a puncture.

Tyre-pressure warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the main purpose of a motorway emergency lane or hard shoulder?

153. What is the main purpose of a motorway emergency lane or hard shoulder?

For driving when the motorway is busy.
✓ For emergencies and breakdowns.
For overtaking slow-moving traffic.
For stopping to check directions.

A motorway emergency lane or hard shoulder is primarily intended for emergencies and breakdowns, not normal driving. In some places it may be opened temporarily as a traffic lane when signs or signals specifically permit this.

Motorway hard shoulder beside the traffic lanes
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You should adjust your mirrors before you start driving.

154. You should adjust your mirrors before you start driving.

False.
✓ True.

Properly adjusted mirrors improve visibility and help you monitor traffic around your vehicle.

Driver adjusting a mirror before setting off
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Can drivers use a handheld phone while driving in Indonesia?

155. Can drivers use a handheld phone while driving in Indonesia?

Yes.
✓ No.

Drivers in Indonesia 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
Why should you leave extra following distance when towing?

156. Why should you leave extra following distance when towing?

To make the trailer easier to steer.
To reduce tyre wear on the towing vehicle.
To keep the trailer from moving side to side.
✓ Your vehicle combination may take longer to stop.

Towing adds weight and can increase stopping distance. Extra space gives you more time to react and brake smoothly.

Vehicle towing a trailer behind other traffic
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you check before starting a bicycle journey?

157. What should you check before starting a bicycle journey?

Only the brakes if the journey is short.
Only the tyres and chain.
✓ The brakes, tyres, lights, and steering.
Nothing if the bicycle worked properly yesterday.

A basic safety check can reveal problems with the brakes, tyres, lights, or steering before they cause an accident.

Checking a bicycle before a journey
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if a friend who has been drinking wants to drive?

158. What should you do if a friend who has been drinking wants to drive?

Let them drive slowly on quiet roads.
Follow them home in another vehicle.
✓ Encourage them not to drive and arrange safe transport.
Give them coffee and wait a short while.

Preventing an impaired person from driving can protect them, their passengers, and other road users. Arrange a sober driver, taxi, public transport, or accommodation.

Friends discussing safe transport after drinking
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid remaining beside a large vehicle on a motorway?

159. Why should you avoid remaining beside a large vehicle on a motorway?

Driving beside them improves your view of the road ahead.
Large vehicles always travel more slowly than cars.
✓ You may remain in its blind spot and have less room to escape.
Their tyres may reduce the motorway speed limit.

Large vehicles have significant blind spots. Avoid travelling alongside them longer than necessary.

Vehicle alongside a large vehicle on a motorway
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

160. What does this dashboard symbol indicate?

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

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

Diesel glow-plug preheating symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You may drive through an amber light without slowing down.

161. You may drive through an amber light without slowing down.

True.
✓ False.

An amber light means you should stop if you can do so safely. If you are too close to stop safely, continue through the junction with caution.

Vehicle approaching an amber traffic light
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
When should a passenger get on or off a motorcycle?

162. When should a passenger get on or off a motorcycle?

As soon as the engine has been started.
Before the rider has balanced the motorcycle.
Whenever the passenger feels ready.
✓ When the motorcycle is stationary and the rider is ready.

A passenger getting on or off can shift the motorcycle's balance suddenly. The motorcycle should be stationary and stable, and the passenger should wait until the rider is ready and prepared to support the extra movement.

Passenger getting onto a stationary motorcycle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before driving through a puddle?

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

Follow another vehicle closely to judge the depth.
Brake firmly while driving through the water.
Maintain your normal speed if the road looks clear.
✓ Slow down and check that it is safe.

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

Vehicle approaching a puddle on the road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

164. What does this dashboard symbol indicate?

✓ Direction indicators.
Hazard warning lights.
Main beam.
Sidelights.

This symbol indicates that a direction indicator is operating. The flashing indicator shows the direction in which the driver intends to turn or change position on the road.

Direction-indicator symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when passing a horse rider?

165. What should you do when passing a horse rider?

Pass closely to reduce the time beside the horse.
Accelerate while passing to get past quickly.
✓ Slow down and give plenty of space.
Sound your horn so the rider knows you are passing.

Horses can be startled by noise or sudden movement. Slow down, pass carefully, and leave enough space.

Vehicle passing a horse and rider
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why can temporary road surfaces increase stopping distance?

166. Why can temporary road surfaces increase stopping distance?

Temporary roads always slope downhill.
Temporary surfaces make the brakes colder.
✓ Loose gravel, mud, or uneven material may reduce tyre grip.
Construction dust increases tyre pressure.

Temporary surfaces may provide less grip than normal asphalt. Reduce speed and allow more distance for braking.

Loose or uneven road surface through roadworks
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should tyre pressure normally be checked?

167. How should tyre pressure normally be checked?

Only by a certified maintenance service.
By looking at whether the tyres appear firm.
Using the maximum pressure shown on the tyre.
✓ When the tyres are cold, using the manufacturer's recommended pressure.

Tyre pressure rises as tyres become warm. Check them when cold and use the pressure specified on the vehicle label or in the owner's manual.

Checking a vehicle's tyre pressure
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

168. What does this dashboard symbol indicate?

Low washer fluid.
Charging-system warning.
✓ Low fuel level.
Low engine oil.

This symbol indicates that the fuel level is low. Refuel soon to reduce the risk of running out of fuel.

Low-fuel warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

169. What does this vehicle-control symbol indicate?

✓ Windscreen wiper speed.
Air recirculation.
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 starting a motorcycle journey?

170. What should you check before starting a motorcycle journey?

✓ Tyres, brakes, lights, steering, and controls.
Only the tyres if the journey is long.
Only the fuel level and mirrors.
Nothing if the motorcycle was recently serviced.

Before riding, carry out a basic safety check. Check the tyres, brakes, lights, steering and controls, and inspect the drive chain, belt or other drive components where applicable. Finding a problem before setting off can prevent a breakdown or loss of control.

Checking a motorcycle before a journey
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you check your mirrors regularly while driving?

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

✓ To stay aware of traffic around you.
To check whether passengers are comfortable.
To avoid having to check your blind spots.
To judge your speed from vehicles behind.

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
Who normally has priority when you enter a motorway from an entry lane?

172. Who normally has priority when you enter a motorway from an entry lane?

Whichever vehicle reaches the merge point first.
✓ Traffic already travelling on the motorway.
The vehicle closest to the end of the entry lane.
Traffic entering from the entry lane.

You must adjust your speed and find a safe gap without forcing motorway traffic to brake or change direction.

Vehicle entering beside traffic already on a motorway
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

173. What does this dashboard symbol indicate?

✓ Power-steering warning.
Electronic stability control.
Charging-system warning.
Brake-system warning.

This symbol indicates a possible fault with the power-steering system. Steering assistance may be reduced or unavailable, making the steering wheel harder to turn.

Power-steering warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do after hitting an animal with your vehicle?

174. What should you do after hitting an animal with your vehicle?

Approach the animal immediately.
Move the animal yourself before checking for traffic.
Leave the scene and report it later.
✓ Stop safely, warn other traffic, and seek appropriate help.

After an animal collision, stop in a safe place if possible and protect yourself and other road users from further danger. Do not approach an injured or frightened animal unless it is safe to do so. Contact the appropriate police, road authority, animal service, or emergency service as required by the situation and local rules.

Vehicle stopped after a collision with an animal
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the main risk when following a vehicle with limited rear visibility?

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

The driver cannot use the side mirrors.
✓ The driver may not see you clearly.
The driver can see you better if you follow closely.
The vehicle must always travel more slowly.

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

Vehicle with limited rearward visibility
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do with a helmet that has taken a significant impact in a collision?

176. What should you do with a helmet that has taken a significant impact in a collision?

Use it again after tightening the straps.
Replace only the outer shell if it is scratched.
Keep using it if the visor or straps still work.
✓ Stop using it and follow the manufacturer's replacement guidance.

A helmet can be damaged internally by a significant impact even when no damage is visible from the outside. Stop using the helmet and follow the manufacturer's guidance, which will commonly require replacement after a significant impact.

Helmet inspection after a significant impact
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should cyclists do when cycling downhill?

177. What should cyclists do when cycling downhill?

✓ Control your speed and keep both hands ready to brake.
Use only one brake to reduce the risk of skidding.
Let the bicycle gain speed while the road ahead is clear.
Look only at the road directly in front of you.

Higher speed increases stopping distance and reduces reaction time. Maintain a speed that allows you to stop safely.

Cyclist riding down a hill
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should cyclists do when riding over loose gravel or road debris?

178. What should cyclists do when riding over loose gravel or road debris?

✓ Reduce speed and steer smoothly.
Make quick steering movements to avoid loose stones.
Brake hard while turning.
Accelerate to keep the bicycle stable.

Loose material reduces tyre grip. Smooth steering and controlled speed lower the chance of losing balance.

Cyclist riding over loose gravel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which speed unit is used in Indonesia?

179. Which speed unit is used in Indonesia?

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

Road speeds in Indonesia are shown in kilometres per hour (km/h).

Road speed expressed in kilometres per hour
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you use headlights in poor visibility?

180. Why should you use headlights in poor visibility?

To keep the windscreen clear.
To make the brakes respond faster.
✓ To see better and be seen by others.
To reduce fuel consumption.

Headlights help you see the road and make your vehicle more visible to other road users in fog, rain, darkness, or poor weather.

Vehicle using headlights in reduced visibility
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do at a railway crossing when the barriers are closing?

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

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

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

Barriers closing at a railway crossing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you expect if the engine suddenly stalls while the vehicle is moving?

182. What should you expect if the engine suddenly stalls while the vehicle is moving?

The vehicle will stop immediately when the engine stops.
Power assistance will continue working normally.
The steering will become lighter as the vehicle slows.
✓ Steering and braking may require more effort, so move to a safe place.

Power assistance may be reduced when the engine stops. Keep control, use the hazard lights if needed, and steer toward a safe stopping area.

Driver responding to an engine stall while moving
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?

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

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

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

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

✓ False.
True.

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 is the purpose of the clutch pedal in a manual vehicle?

185. What is the purpose of the clutch pedal in a manual vehicle?

To apply the parking brake.
To slow the vehicle using the brakes.
✓ To disconnect the engine from the transmission.
To increase the engine speed.

Pressing the clutch pedal temporarily disconnects the engine from the transmission, allowing the driver to change gear or stop without stalling the engine.

Clutch pedal in a manual vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the brake pedal feels unusually soft?

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

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

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

Brake-pedal check for a possible braking fault
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the accelerator becomes stuck while you are driving?

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

Switch off the engine immediately before selecting neutral.
Keep driving and wait for the accelerator to release.
✓ Select neutral, brake firmly, and steer to a safe stopping place.
Apply the parking brake sharply while moving.

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
What should you do if your headlights fail while driving at night?

188. What should you do if your headlights fail while driving at night?

Follow another vehicle closely for visibility.
✓ Reduce speed and stop safely using any remaining lights or hazard lights.
Stop immediately in the traffic lane.
Continue slowly if the road is well lit.

Without effective headlights, you may not see hazards and other road users may not see you. Stop in a safe location as soon as possible.

Vehicle with failed headlights at night
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is aquaplaning?

189. What is aquaplaning?

When wet brakes become too hot to work properly.
When steering becomes heavier on a dry road.
✓ When tyres ride on a layer of water and lose contact with the road.
When water enters the engine and causes it to stop.

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

Water separating a tyre from the road surface
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before driving after taking medicine?

190. What should you do before driving after taking medicine?

Take an extra dose before a long journey.
Drive slowly until you know how it affects you.
Drink coffee to prevent any side effects.
✓ Check whether it may affect your ability to drive.

Some medicines can affect driving ability by causing drowsiness, dizziness, blurred vision, slower reactions, or reduced concentration. Check the label or patient information and follow advice from your doctor or pharmacist before driving.

Checking medicine warnings before driving
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid sounding the horn near horses?

191. Why should you avoid sounding the horn near horses?

The rider may think you are signalling them to stop.
The horn may make the horse move faster.
✓ The noise may frighten them.
Horses cannot hear a vehicle horn clearly.

Horses can be startled by sudden or loud noises and may move unpredictably. Slow down, give them plenty of space, and avoid using the horn unless necessary.

Vehicle approaching a horse and rider
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid parking a petrol or diesel vehicle on dry grass?

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

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

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

Vehicle exhaust close to dry grass
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the minimum age for a standard car driving licence in Indonesia?

193. What is the minimum age for a standard car driving licence in Indonesia?

16 years.
19 years.
✓ 17 years.
21 years.

The minimum age for a standard car driving licence in Indonesia is 17 years.

Minimum age for obtaining a car driving licence
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you keep the driver's footwell free of loose objects?

194. Why should you keep the driver's footwell free of loose objects?

They could block the footwell ventilation.
✓ They could roll into the pedals and interfere with control.
They could make it harder to adjust the driver's seat.
They could make the pedals noisier to operate.

Loose objects in the driver's footwell, such as bottles, cans, or rubbish, can roll into the pedal area and interfere with the accelerator, brake, or clutch. Keep the footwell clear so you can operate the pedals safely and without obstruction.

Loose objects in the driver's footwell
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when a road worker directs traffic?

195. What should you do when a road worker directs traffic?

Obey only if traffic has completely stopped.
Wait for a police officer to confirm the signal.
✓ Follow the worker's signals and instructions.
Follow the normal traffic signs instead.

Authorised road workers may control traffic through a work zone. Watch carefully and follow their directions.

Road worker directing traffic
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if medicine makes you feel drowsy?

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

Open a window to stay alert.
Drink coffee before driving.
Drive only for short distances.
✓ Do not drive until the effect has passed.

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
Why is it important to make yourself visible at night?

197. Why is it important to make yourself visible at night?

To make drivers give way wherever you cross.
To avoid checking for approaching vehicles.
✓ To make drivers see you more easily.
To ensure drivers can always stop in time.

Bright or reflective clothing helps drivers notice pedestrians in low-light conditions.

Pedestrian visibility beside a road at night
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

198. What does this dashboard symbol indicate?

Rear fog lights.
Charging-system warning.
Engine-management warning.
✓ Exterior-light failure.

This symbol indicates a possible failure of an exterior vehicle light, such as a headlight, tail light, brake light or indicator. Check the vehicle's exterior lights and replace or repair any faulty light.

Exterior-light failure warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you reduce speed in residential areas?

199. Why should you reduce speed in residential areas?

Parked vehicles have priority over moving traffic.
✓ Pedestrians, cyclists, and children may be nearby.
Traffic from side roads must always give way.
Because residential roads are usually more slippery.

Residential areas often have pedestrians, cyclists, parked vehicles, driveways, and children, and hazards may appear suddenly. Lower speed gives you more time to react and stop safely.

Vehicle travelling through a residential street
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You must stop at a red traffic light.

200. You must stop at a red traffic light.

False.
✓ True.

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

Vehicle stopped at a red traffic light
AI-generated by Traffic-rules.com • WCIT • CC BY-SA