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.


What should cyclists do after a collision or hard fall?

101. What should cyclists do after a collision or hard fall?

Check only the bicycle and ignore minor injuries.
✓ Check yourself and inspect the bicycle before riding again.
Check only the parts that were directly involved in the fall.
Continue if you feel fine and the bicycle looks normal.

A fall can damage the brakes, wheels, frame, handlebars, or helmet. Injuries may also not be immediately obvious.

Checking a bicycle after a fall or collision
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does the ON position of a traditional ignition switch normally do?

102. What does the ON position of a traditional ignition switch normally do?

✓ Switches on the vehicle's electrical systems without operating the starter.
Switches off all electrical accessories.
Locks the steering.
Turns the starter motor.

The ON position normally switches on the vehicle's electrical and ignition systems without operating the starter motor. The engine is started by turning the key further to the START position.

ON position on a traditional ignition switch
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when driving near animals?

103. What should you do when driving near animals?

✓ Slow down and be ready to stop.
Move closer so you can pass before they react.
Sound your horn to make them move away.
Maintain speed if they remain beside the road.

Animals can move unpredictably. Slow down, stay alert, and be prepared to stop safely.

Animals near moving road traffic
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What should you do before releasing the parking brake on a slope?

104. What should you do before releasing the parking brake on a slope?

Press the accelerator fully.
Select neutral and release all pedals.
✓ Make sure the vehicle is securely controlled before releasing it.
Turn the steering wheel fully.

Before releasing the parking brake on a slope, make sure the vehicle cannot roll unexpectedly. Use the service brake or, when moving off in a manual vehicle, establish the clutch biting point and sufficient power before releasing the parking brake.

Preparing to release the parking brake on a slope
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What should you do if a large animal suddenly enters your path?

105. What should you do if a large animal suddenly enters your path?

Turn suddenly toward the roadside.
Release the steering wheel and brake hard.
Accelerate to pass before the animal moves.
✓ Brake firmly while keeping control of the vehicle.

If a large animal enters the road, brake firmly while keeping the vehicle under control. Avoid sudden swerving, as this can cause you to lose control or collide with other traffic.

Large animal entering a vehicle's path
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What shape are most warning signs in Indonesia?

106. What shape are most warning signs in Indonesia?

Rectangle.
Circle.
✓ Diamond.
Triangle.

Most warning signs in Indonesia are diamond-shaped.

Road warning signs and their shapes
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Does the priority-to-the-right rule apply in Indonesia?

107. Does the priority-to-the-right rule apply in Indonesia?

Yes.
✓ No.

In Indonesia, the priority-to-the-right rule does not generally apply at uncontrolled intersections.

Crossing traffic at a road junction
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What should you check after fitting a wheel?

108. What should you check after fitting a wheel?

That the wheel nuts are covered by the trim.
That the jack remains partly under the vehicle.
That the tyre is touching the wheel arch.
✓ That the wheel nuts are tightened correctly.

After fitting a wheel, make sure the wheel nuts are tightened correctly using the manufacturer's specified procedure and torque. Incorrectly tightened wheel nuts can loosen or damage the wheel. Recheck them later if the vehicle or wheel manufacturer recommends it.

Checking wheel nuts after fitting a wheel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if fuel spills while you are refuelling?

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

Continue filling the tank and clean it up afterwards.
✓ Stop refuelling, avoid ignition sources, and alert station staff.
Start the engine and move the vehicle immediately.
Wash the spill away with water and continue refuelling.

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
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What does this vehicle-control symbol indicate?

110. What does this vehicle-control symbol indicate?

Hazard warning lights.
Parking assistance.
✓ Horn.
Cruise control.

This symbol indicates the horn control. The horn is used to warn other road users of your presence when necessary.

Vehicle horn control and symbol
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Why should you be careful when driving beside a bus at a stop?

111. Why should you be careful when driving beside a bus at a stop?

✓ Passengers may step out or cross near the bus.
Bus stops usually have a lower speed limit.
Vehicles beside a bus must always stop and wait.
The road surface is usually more slippery near bus stops.

Stopped buses can hide pedestrians, and passengers may cross unexpectedly. Slow down and be ready to react.

Vehicle passing a bus at a stop
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should hard braking be avoided while a motorcycle is leaning in a bend?

112. Why should hard braking be avoided while a motorcycle is leaning in a bend?

✓ It can reduce stability and available tyre grip.
It increases tyre pressure immediately.
It prevents the suspension from working.
It can make the engine overheat.

When a motorcycle is leaning, the tyres are already using grip to turn. Hard braking can demand additional grip and may reduce stability. Whenever possible, adjust speed before the bend and use smooth, controlled inputs while cornering.

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

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

✓ Stop safely, switch off the engine, and seek assistance.
Ignore the noise if the warning light later goes out.
Wait until the next service to have it checked.
Continue slowly if the vehicle still responds normally.

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

Red dashboard warning requiring the driver's attention
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What should you do if you smell fuel or see fuel leaking from your vehicle?

114. What should you do if you smell fuel or see fuel leaking from your vehicle?

Restart the engine to check whether the leak continues.
Wash the leaking fuel away with water.
✓ Stop, switch off the engine, avoid flames or sparks, and call for assistance.
Ignore a small leak if the fuel level remains stable.

Leaking fuel creates a serious fire risk. Keep people away, do not restart the engine, and arrange professional assistance.

Fuel leaking from a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if an EV charging cable or connector is damaged?

115. What should you do if an EV charging cable or connector is damaged?

Hold the damaged section away from the vehicle.
✓ Do not use it, and report or arrange repair of the damage.
Use it if the vehicle still begins charging.
Reduce the charging power and continue using it.

Do not use a damaged charging cable or connector. Damage can create a risk of electric shock, overheating, or fire. Use suitable undamaged charging equipment and report the fault or arrange professional repair or replacement.

Damaged electric-vehicle charging cable or connector
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why can mixing alcohol with medicine be dangerous for drivers?

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

✓ The combination may increase drowsiness or impairment.
Medicine prevents alcohol from causing drowsiness.
Medicine can cancel out the effects of alcohol.
Alcohol leaves the body faster when taking medicine.

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

Alcohol and medicine as a driving-impairment risk
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do after stopping because of a breakdown?

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

Switch off the hazard lights once the vehicle has stopped.
Leave the engine running and keep the vehicle in neutral.
✓ Apply the parking brake, switch off the engine, and use hazard lights.
Stand behind the vehicle to warn approaching traffic.

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
Why should cyclists avoid riding in a large vehicle's blind spot?

118. Why should cyclists avoid riding in a large vehicle's blind spot?

Cyclists must always stay behind large vehicles.
Blind spots matter only when a vehicle is reversing.
✓ The driver may not be able to see them.
Large vehicles always have priority when turning.

Buses and trucks have large areas where the driver cannot see cyclists, especially beside the vehicle and near turns.

Cyclist in a large vehicle's blind spot
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

119. What does this vehicle-control symbol indicate?

✓ Seat heating.
Seat ventilation.
Rear window demister.
Air conditioning.

This control activates the seat heating, which warms the seat cushion and, on many vehicles, the backrest. Several heat levels may be available.

Heated-seat control and symbol
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should cyclists do when passing pedestrians on a shared path?

120. What should cyclists do when passing pedestrians on a shared path?

Use your bell and keep the same speed.
Assume they will hear you approaching.
Pass closely if there is not enough room.
✓ Slow down, give warning, and leave enough space.

Pedestrians may change direction unexpectedly. A warning and safe passing distance reduce the risk of a collision.

Cyclist passing pedestrians on a shared path
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if steam begins coming from underneath the bonnet?

121. What should you do if steam begins coming from underneath the bonnet?

✓ Stop safely, switch off the engine, and keep clear until it has cooled.
Pour cold water over the engine immediately.
Keep the engine running so the cooling system keeps working.
Open the coolant cap to release the pressure.

Steam can indicate an overheated and pressurised cooling system. Do not remove the coolant cap while the system is hot.

Steam rising from underneath a vehicle's bonnet
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the pedestrian light is red?

122. What should you do if the pedestrian light is red?

Cross if another pedestrian has already started.
Cross if there is a large enough gap in traffic.
✓ Wait until it turns green.
Start crossing if the signal is about to change.

A red pedestrian signal means you should wait before crossing.

Red pedestrian signal at a crossing
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What should you do if you realise you have put the wrong fuel in your vehicle?

123. What should you do if you realise you have put the wrong fuel in your vehicle?

Drive until the fuel warning light comes on.
Start the engine and drive slowly to use the fuel.
✓ Do not start the engine, and seek assistance.
Rev the engine briefly to mix the fuels.

If you have used the wrong fuel, do not start the engine. Starting it can circulate the incorrect fuel and cause further damage. If possible, avoid switching on the ignition and seek appropriate roadside or workshop assistance.

Fuel nozzle and the risk of misfuelling
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if your main beam could dazzle another driver?

124. What should you do if your main beam could dazzle another driver?

Keep the main beam on unless the other driver flashes you.
Flash the main beam briefly before passing.
Move farther from the centre and keep the main beam on.
✓ Switch to dipped headlights.

Main beam can dazzle other road users and reduce their visibility. Switch to dipped headlights whenever your main beam could dazzle another driver.

Headlight glare affecting another road user
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

125. What does this dashboard symbol indicate?

Parking assistance.
✓ Adaptive cruise control.
Automatic start-stop system.
Lane-departure warning.

This symbol relates to adaptive cruise control (ACC). The system can maintain a selected speed and automatically adjust the vehicle's speed to help maintain a set distance from traffic ahead.

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

126. What does this vehicle-control symbol indicate?

Window lock.
✓ Electric window control.
Mirror adjustment.
Central door locking.

This control operates the vehicle's electric windows. Pressing or pulling the switch lowers or raises the corresponding window.

Switch for operating an electric window
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you slow down before a sharp bend?

127. Why should you slow down before a sharp bend?

To reduce fuel consumption.
To prevent other vehicles from overtaking.
To make the bend easier to see from a distance.
✓ To keep control of the vehicle.

Sharp bends reduce your view and can make the vehicle harder to control, so you should slow down before entering the bend.

Vehicle approaching a sharp bend
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should a motorcyclist avoid riding in another vehicle's blind spot?

128. Why should a motorcyclist avoid riding in another vehicle's blind spot?

The motorcycle's brakes may become less effective.
The vehicle ahead must always change lanes.
The motorcycle's indicators may be harder to see.
✓ The driver may not be able to see the motorcycle.

Motorcycles can be difficult to see, particularly when they remain in another vehicle's blind spot. Avoid staying alongside a vehicle where the driver may not see you, and choose a position where you are more likely to be visible.

Motorcycle in another vehicle's blind spot
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you not drive too close behind another vehicle?

129. Why should you not drive too close behind another vehicle?

✓ You may not have enough time to stop.
It increases tyre pressure.
It makes your steering less responsive.
It causes the vehicle ahead to use more fuel.

Driving too close, or tailgating, reduces the time and space available to react and increases the risk of a rear-end collision. Use defensive driving and keep a safe following distance.

Vehicle tailgating the traffic ahead
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid travelling with the seatback excessively reclined?

130. Why should you avoid travelling with the seatback excessively reclined?

✓ It can reduce how effectively the seat belt restrains you.
It can cause the seat belt to lock during normal driving.
It can prevent the head restraint from being adjusted.
It can make the airbag deploy earlier.

An excessively reclined seat can affect how the seat belt fits and restrains your body and may increase the risk of sliding under the lap belt in a collision. Sit in a reasonably upright position so the lap belt stays low across the hips and the shoulder belt lies correctly across the chest.

Vehicle seat with an excessively reclined backrest
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do about a chip in the windscreen?

131. What should you do about a chip in the windscreen?

Clean the glass and continue driving normally.
Cover the chip so it cannot spread.
Ignore it if it is outside your direct view.
✓ Have it assessed and repaired promptly.

A chip can obstruct your view, weaken the glass, and develop into a larger crack. Have it checked and repaired promptly.

Stone chip in a vehicle's windscreen
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which pedal is used to increase the vehicle's speed?

132. Which pedal is used to increase the vehicle's speed?

The footrest.
The clutch pedal.
✓ The accelerator pedal.
The brake pedal.

The accelerator pedal controls the amount of power delivered by the engine and is used to increase or maintain the vehicle's speed. It is the right-hand pedal.

Accelerator pedal in the driver's footwell
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the charging-system warning light comes on?

133. What should you do if the charging-system warning light comes on?

✓ Reduce electrical use, stop safely, and seek assistance.
Restart the engine repeatedly to reset the warning.
Increase engine speed until the warning light goes out.
Switch on more electrical systems to test the battery.

The alternator or charging system may have failed. The vehicle may stop once the remaining battery charge is exhausted.

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

134. What does this vehicle-control symbol indicate?

✓ Exterior mirror folding.
Exterior mirror adjustment.
Seat adjustment.
Electric window control.

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 should pets be carried safely in a vehicle?

135. How should pets be carried safely in a vehicle?

On the driver's lap if they remain calm.
Free to move around during short journeys.
✓ Securely restrained so they cannot distract the driver or move dangerously.
Loose on the front passenger seat.

A pet moving freely inside a vehicle can distract the driver and may be thrown around during sudden braking or a collision. Use a suitable carrier, harness, barrier, or other secure restraint appropriate for the animal and vehicle.

Pet travelling inside a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

136. What does this dashboard symbol indicate?

A brake-system fault.
Low tyre pressure.
✓ A general warning requiring attention.
An engine-management fault.

This is a general or master warning symbol. It indicates that the vehicle has detected a condition requiring attention and is often accompanied by a message or another warning on the instrument display.

General warning symbol on the dashboard
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Why should you never leave a child or pet alone in a parked vehicle on a warm day?

137. Why should you never leave a child or pet alone in a parked vehicle on a warm day?

✓ The interior can heat up quickly and cause serious heat illness.
The vehicle battery may discharge more quickly.
The tyres may lose pressure while the vehicle is parked.
The alarm system may activate unexpectedly.

The inside of a parked vehicle can heat up rapidly, even when the outside temperature does not feel extreme. Children and animals are particularly vulnerable to overheating and heatstroke. Leaving a window partly open does not make the vehicle safe.

Parked vehicle and the danger of interior heat
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you check your mirrors before braking?

138. Why should you check your mirrors before braking?

✓ To know what is happening behind you.
To decide which gear to use while slowing down.
To shorten the distance needed to stop.
To check whether the road surface is slippery.

Checking your mirrors helps you understand what is happening behind you and anticipate how following traffic may react. In an emergency, do not delay necessary braking.

Driver checking following traffic before braking
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do with the steering wheel after completing a turn?

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

✓ Guide it smoothly back towards the straight-ahead position.
Hold it in the turned position.
Turn it quickly in the opposite direction.
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 should you do if fog becomes so thick that you cannot see safely?

140. What should you do if fog becomes so thick that you cannot see safely?

Follow the vehicle ahead closely for guidance.
Use main beam and keep driving.
✓ Slow down and stop in a safe location away from traffic if necessary.
Continue slowly by following the road markings.

If visibility becomes dangerously poor, find a safe place to stop rather than continuing without being able to see clearly.

Dense fog obscuring the road ahead
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

141. What does this dashboard symbol indicate?

Low tyre pressure.
Parking brake applied.
Electronic stability control.
✓ Anti-lock braking system warning.

This symbol indicates a possible fault with the anti-lock braking system (ABS). Normal braking may still be available, but ABS may not operate during heavy braking, so the system should be checked.

Anti-lock braking system warning symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does AUTO on a windscreen-wiper control normally do?

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

Operates only the rear wiper.
✓ Operates the wipers automatically when rain is detected.
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
How should you normally hold the steering wheel while driving?

143. How should you normally hold the steering wheel while driving?

✓ With both hands in a balanced position.
With one hand at the top of the wheel.
With both hands together at the bottom.
With one hand resting on the gear lever.

Hold the steering wheel with both hands in a balanced position so that you can steer smoothly and react quickly. A position around nine and three o'clock generally provides good control.

Driver holding the steering wheel with both hands
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if the power steering suddenly stops assisting you?

144. What should you do if the power steering suddenly stops assisting you?

Accelerate to make the steering easier.
Switch off the engine while moving to reset the system.
Make sharp steering movements to test the remaining assistance.
✓ Hold the wheel firmly, use greater steering effort, and stop safely.

The vehicle can normally still be steered, but much more effort may be required. Reduce speed and arrange an inspection.

Driver coping with a loss of power-steering assistance
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
When should you select R (Reverse) in an automatic vehicle?

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

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

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 does the AUTO setting on the lighting control do?

146. What does the AUTO setting on the lighting control do?

It flashes the headlights automatically.
It switches on the hazard warning lights.
It switches on the front fog lights.
✓ It switches the headlights on or off automatically when needed.

The AUTO lighting setting allows the vehicle to switch its exterior lights on or off automatically according to ambient light conditions. The driver remains responsible for ensuring that the correct lights are being used.

AUTO setting on the vehicle's lighting control
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why is a microsleep especially dangerous while driving?

147. Why is a microsleep especially dangerous while driving?

It normally happens only when the vehicle is stopped.
It usually makes you drive more slowly.
✓ You can lose awareness of the road for several seconds.
It makes the steering feel heavier.

A microsleep is a brief, involuntary episode of sleep that can last for a few seconds. During that time, you may lose awareness of the road and travel a considerable distance without reacting to hazards.

Driver losing alertness at the wheel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should motorcyclists take extra care on wet metal covers?

148. Why should motorcyclists take extra care on wet metal covers?

They can cause the tyre pressure to rise suddenly.
They can make the suspension become stiffer.
They can increase the motorcycle's braking power.
✓ They can provide much less grip than the surrounding road.

Wet metal surfaces, such as drain or inspection covers, can provide much less grip than the surrounding road. Cross them smoothly, keep the motorcycle as upright as practical and avoid sudden braking, acceleration or steering.

Wet metal cover in a motorcycle's path
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How can unnecessary weight affect a vehicle's energy use?

149. How can unnecessary weight affect a vehicle's energy use?

✓ It can increase the energy needed to move the vehicle.
It always reduces fuel consumption.
It makes the vehicle easier to accelerate.
It improves braking efficiency.

Extra weight generally requires more energy when accelerating and climbing. Removing unnecessary heavy items can help reduce fuel or energy consumption while keeping all essential equipment in the vehicle.

Extra luggage adding weight to a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should you approach a sharp bend on a mountain road?

150. How should you approach a sharp bend on a mountain road?

Move toward the centre of the road for a better view.
Overtake just before entering the bend.
Brake hard while turning through the bend.
✓ Reduce speed before the bend and remain in your lane.

Mountain bends may hide oncoming vehicles, cyclists, animals, or debris. Slow down before entering and keep a safe road position.

Sharp bend on a mountain road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA