QuizTraffic rulesPortugal

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.


What should you check before starting a bicycle journey?

251. 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 cyclists do when an emergency vehicle with lights and siren approaches?

252. What should cyclists do when an emergency vehicle with lights and siren approaches?

Keep riding normally and let the driver find a way past.
Stop immediately, even if you are in the traffic lane.
✓ Stay alert and move to a safe position without obstructing it.
Follow closely behind it once it passes.

Emergency vehicles need a clear route. Move predictably and stop only where doing so is safe.

Cyclist near an approaching emergency vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid sudden braking when it is not necessary?

253. Why should you avoid sudden braking when it is not necessary?

It makes the brakes less effective afterwards.
✓ Vehicles behind may not have time to react.
It prevents the brake lights from working properly.
It causes the tyres to lose pressure.

Sudden braking can surprise drivers behind you and increase the risk of a rear-end collision.

Following traffic and the risk of sudden braking
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which control is normally used to switch between dipped and main beam headlights?

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

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

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 does this vehicle-control symbol indicate?

255. What does this vehicle-control symbol indicate?

Air recirculation.
Windscreen demisting.
✓ Cabin fan speed.
Air conditioning.

This control adjusts the cabin ventilation fan speed. Increasing the setting moves more air through the vehicle's ventilation and climate-control system.

Control for adjusting the cabin fan speed
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which control activates all direction indicators at the same time?

256. Which control activates all direction indicators at the same time?

The headlight switch.
The parking-brake control.
The rear-window demister.
✓ The hazard warning light switch.

The hazard warning light switch activates all direction indicators at the same time to warn other road users of a hazard or emergency.

Hazard warning light switch and triangle symbol
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before reversing your vehicle?

257. What should you do before reversing your vehicle?

Check behind only after you start moving.
✓ Check all around and make sure it is safe.
Sound the horn before reversing and proceed.
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
How can worn tyres affect driving in heavy rain?

258. How can worn tyres affect driving in heavy rain?

They clear water from the road more effectively.
They reduce the chance of skidding at low speeds.
✓ They increase the risk of aquaplaning.
They shorten the stopping distance on wet roads.

Tyre tread helps channel water away and maintain grip. Worn tyres cannot clear water as effectively, increasing stopping distance and the risk of aquaplaning.

Worn tyre tread and wet-road grip
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you keep your windscreen clean?

259. Why should you keep your windscreen clean?

To reduce fuel consumption.
To improve engine cooling.
✓ To see the road clearly.
To prevent windscreen damage.

A clean windscreen gives you a clear view of the road, signs, pedestrians, cyclists, and other vehicles.

Cleaning a windscreen to improve the driver's view
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You should adjust your mirrors before you start driving.

260. 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
What does this dashboard symbol indicate?

261. What does this dashboard symbol indicate?

✓ Rear fog lights.
Main beam.
Sidelights.
Front fog lights.

This symbol indicates that the rear fog lights are switched on. Rear fog lights make the vehicle more visible from behind in conditions of severely reduced visibility, but they can dazzle other road users when used unnecessarily.

Rear fog-light symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you normally select before leaving an automatic vehicle parked?

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

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

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

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

Use your foot to push it towards the passenger side.
Brake suddenly so the object moves forwards.
✓ Keep control and stop safely before retrieving it.
Reach down and remove it while continuing to drive.

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

Dropped object close to the driver's pedals
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should cyclists do when approaching a junction?

264. What should cyclists do when approaching a junction?

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

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

Cyclist approaching a road junction
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the purpose of cruise control?

265. What is the purpose of cruise control?

To prevent the vehicle from exceeding any speed limit.
To keep a fixed distance from the vehicle ahead.
✓ To maintain a selected speed without continuous accelerator use.
To steer the vehicle automatically.

Cruise control can maintain a selected speed without the driver continuously pressing the accelerator. The driver must remain attentive and ready to brake or take control when necessary.

Vehicle cruise-control buttons and symbol
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

266. What does this vehicle-control symbol indicate?

Electric window control.
✓ Exterior mirror folding.
Exterior mirror adjustment.
Central door locking.

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
Why is riding a bicycle after drinking alcohol dangerous?

267. Why is riding a bicycle after drinking alcohol dangerous?

A small amount of alcohol improves balance.
A helmet protects you from alcohol-related risks.
Cycling after drinking is safe on quiet roads.
✓ Alcohol can reduce your balance, coordination, judgement, and reaction time.

Alcohol can make it harder to balance, steer, judge distances, and react to hazards. Riding a bicycle while impaired may also be against the law.

Alcohol consumption and bicycle-riding safety
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

268. What does this dashboard symbol indicate?

Engine-management warning.
Power-steering warning.
Electronic stability control.
✓ Low tyre pressure.

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 does this vehicle-control symbol indicate?

269. What does this vehicle-control symbol indicate?

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

This control adjusts the brightness of the instrument panel and dashboard illumination, allowing the driver to reduce or increase the lighting level.

Control for adjusting instrument-panel brightness
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What is the minimum licence for a 35 kW motorcycle at 0.2 kW/kg, derived from 70 kW?

270. What is the minimum licence for a 35 kW motorcycle at 0.2 kW/kg, derived from 70 kW?

✓ Licence A2.
Licence AM.
Licence A1.
Licence B.

Category A2 covers motorcycles with power not exceeding 35 kW and a power-to-weight ratio not exceeding 0.2 kW/kg. The motorcycle must not be derived from a vehicle with more than double its power, so a 35 kW motorcycle may be derived from a vehicle of up to 70 kW.

35 kW motorcycle for category A2
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid sudden steering movements on snow or ice?

271. Why should you avoid sudden steering movements on snow or ice?

They reduce the effectiveness of the headlights.
They increase fuel consumption.
They make the steering wheel harder to turn.
✓ They can cause the tyres to lose grip and the vehicle to skid.

Abrupt steering can overwhelm the limited grip available on a slippery surface. Steering smoothly helps keep the vehicle stable.

Steering a vehicle on a snowy road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you reduce speed in residential areas?

272. Why should you reduce speed in residential areas?

Parked vehicles have priority over moving traffic.
Overtaking is prohibited throughout residential areas.
✓ Pedestrians, cyclists, and children may be nearby.
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
What should you do if oncoming headlights dazzle you at night?

273. What should you do if oncoming headlights dazzle you at night?

Turn on your interior lights to reduce the glare.
✓ Slow down and look toward the edge of your lane.
Move closer to the centre of the road for a clearer view.
Maintain your speed until the vehicle has passed.

Bright headlights can reduce your vision. Avoid staring at them, slow down if needed, and use the road edge or lane markings to guide you safely.

Oncoming headlights dazzling a driver at night
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you use your indicator before turning?

274. Why should you use your indicator before turning?

To make other road users stop for you.
To show that the turn is safe to make.
To replace checking mirrors and blind spots.
✓ To show other road users what you plan to do.

Indicators help other drivers, cyclists, and pedestrians understand your intentions in time.

Vehicle indicator signalling an intended turn
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before driving if snow or ice covers your vehicle?

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

Clear only the areas needed for your immediate view.
Clear only the windows and mirrors.
✓ Clear the windows, mirrors, lights, roof, and number plates.
Let the heater clear the ice while you drive.

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
Which distance unit is used on road signs in Portugal?

276. Which distance unit is used on road signs in Portugal?

Miles.
✓ Kilometres.

Road distances in Portugal are normally shown in kilometres.

Distance units used on road signs
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you follow the manufacturer's service schedule?

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

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

Scheduled servicing helps ensure that brakes, tyres, fluids, filters, steering, suspension, and other important systems are checked and maintained before faults become more serious.

Vehicle maintenance following a servicing schedule
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if a load extends beyond the vehicle?

278. What should you do if a load extends beyond the vehicle?

Leave it unmarked if it is easy to see.
✓ Make sure it is legal, secure, and properly marked when required.
Cover it with a cloth instead of marking it.
Let the load extend as far as necessary.

An extending load may create additional danger and may require specific markings or equipment under local rules.

Load projecting beyond a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which vehicles are covered by driving licence C1?

279. Which vehicles are covered by driving licence C1?

Goods vehicles over 7,500 kg only.
Buses carrying more than eight passengers.
✓ Non-bus vehicles over 3,500 kg and up to 7,500 kg.
Vehicles up to 3,500 kg only.

Category C1 covers motor vehicles, other than buses, with a maximum authorised mass above 3,500 kg and not exceeding 7,500 kg. They may carry no more than eight passengers in addition to the driver and may tow a trailer up to 750 kg.

Goods vehicle covered by category C1
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid overloading a trailer?

280. Why should you avoid overloading a trailer?

✓ It can reduce stability and place excessive strain on the vehicle.
It reduces tyre wear on the towing vehicle.
It keeps the trailer more stable in strong winds.
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 when driving near animals?

281. What should you do when driving near animals?

Maintain speed if they remain beside the road.
Move closer so you can pass before they react.
Flash your headlights repeatedly to warn them.
✓ Slow down and be ready to stop.

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

Animals near moving road traffic
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before driving after taking medicine?

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

Take an extra dose before a long journey.
✓ Check whether it may affect your ability to drive.
Drink coffee to prevent any side effects.
Drive normally if the medicine was prescribed.

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
What should you do if the windscreen wipers leave the glass smeared?

283. What should you do if the windscreen wipers leave the glass smeared?

Apply lubricant to the wiper blades.
Ignore it unless the wipers stop moving.
Replace the washer pump instead of the blades.
✓ Clean the windscreen and blades, and replace worn blades.

Worn or dirty wiper blades can seriously reduce visibility in rain. Clean them first and replace them if they remain ineffective or damaged.

Wiper streaks on a vehicle's windscreen
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why does higher speed increase the risk of aquaplaning?

284. Why does higher speed increase the risk of aquaplaning?

✓ The tyres have less time to clear water from the road surface.
The suspension becomes less effective at high speed.
Higher speed increases the tyre pressure.
The vehicle becomes heavier as speed increases.

At higher speeds, the tyres may not disperse water effectively, making it easier for the vehicle to lose contact with the road.

Vehicle speed and aquaplaning on a wet road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you check before connecting an electric vehicle to a charger?

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

✓ That the connector and charging equipment are suitable for the vehicle.
That the charger provides its maximum power.
That the charging cable is as long as possible.
That the vehicle's headlights are switched on.

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
Why should you leave extra space when passing cyclists in strong winds?

286. Why should you leave extra space when passing cyclists in strong winds?

Cyclists must stop when a vehicle passes them.
Wind increases the pressure in bicycle tyres.
Cyclists always ride more slowly in strong winds.
✓ They may be blown sideways unexpectedly.

Strong gusts can affect cyclists' balance and direction. Extra passing space reduces the risk of a collision.

Vehicle passing a cyclist in windy conditions
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

287. What does this dashboard symbol indicate?

Lane-departure warning.
Adaptive cruise control.
✓ Parking assistance.
Automatic emergency braking.

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
Why should you remove dark sunglasses before entering a tunnel?

288. Why should you remove dark sunglasses before entering a tunnel?

To prevent the lenses from reflecting tunnel lights.
Because tunnel lighting can damage dark lenses.
✓ Your eyes need to adjust to the lower light level.
To make the vehicle headlights work more effectively.

Dark sunglasses reduce the amount of light reaching your eyes and can make hazards inside a tunnel harder to see.

Driver removing sunglasses before entering a tunnel
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

289. What does this dashboard symbol indicate?

Sidelights.
Dipped headlights.
Main beam.
✓ Direction indicators.

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 if an emergency vehicle approaches with lights or siren on?

290. What should you do if an emergency vehicle approaches with lights or siren on?

✓ Stay calm and make room safely.
Speed up so the vehicle can follow you.
Stop immediately wherever you are.
Ignore it if there is not enough room to pass.

When an emergency vehicle uses lights or siren, check your surroundings and make room safely without sudden or dangerous movements.

Emergency vehicle approaching with warning lights flashing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when an automatic vehicle is stationary in D?

291. What should you do when an automatic vehicle is stationary in D?

Select reverse gear.
✓ Keep the brake pedal pressed.
Release the parking brake.
Press the accelerator lightly.

An automatic vehicle may creep forward when D (Drive) is selected, even without pressing the accelerator. Keep the brake pedal pressed while stationary to prevent unintended movement.

Automatic gear selector in Drive and brake-pedal control
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Should passengers travel in an ordinary goods trailer?

292. Should passengers travel in an ordinary goods trailer?

Yes, if the passengers remain seated on the floor.
Yes, if the trailer is travelling at low speed.
✓ No, passengers should travel in approved seating positions.
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
Why should unnecessary engine idling be avoided?

293. Why should unnecessary engine idling be avoided?

It makes the tyres lose pressure.
It prevents the battery from charging.
It always causes the engine to overheat.
✓ It uses fuel without moving the vehicle.

An idling combustion engine uses fuel while the vehicle is stationary. Avoid unnecessary idling where it is safe and appropriate to switch the engine off, taking account of the vehicle manufacturer's instructions and local rules.

Stationary vehicle with its engine idling
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before refuelling a petrol or diesel vehicle?

294. What should you do before refuelling a petrol or diesel vehicle?

✓ Switch off the engine before starting to refuel.
Switch on the hazard lights while refuelling.
Increase the engine speed before removing the fuel cap.
Leave the engine running to protect the battery.

Switch off the engine before refuelling. Fuel vapours are flammable, so avoid ignition sources and follow the safety instructions at the filling station. If fuel is spilled, do not start the vehicle until the situation has been made safe.

Vehicle at a pump before refuelling
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you never leave a child or pet alone in a parked vehicle on a warm day?

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

The tyres may lose pressure while the vehicle is parked.
The vehicle battery may discharge more quickly.
✓ The interior can heat up quickly and cause serious heat illness.
The windows may become difficult to open.

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 avoid using an ordinary extension lead to charge an electric vehicle?

296. Why should you avoid using an ordinary extension lead to charge an electric vehicle?

It prevents the vehicle from locking while charging.
It can make the vehicle battery lose capacity immediately.
✓ It may overheat because it is not designed for continuous high-power charging.
It will always charge the vehicle too quickly.

An ordinary household extension lead may not be designed for the sustained electrical load required for EV charging and can overheat. Use suitable approved charging equipment and follow the vehicle and charging-equipment manufacturer's instructions.

Extension lead used for electric-vehicle charging
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before driving through a puddle?

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

Follow another vehicle closely to judge the depth.
✓ Slow down and check that it is safe.
Maintain your normal speed if the road looks clear.
Accelerate so you spend less time in the water.

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 should you do if passengers are distracting you while driving?

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

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

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

Passengers distracting a driver
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What colour is a stop sign usually?

299. What colour is a stop sign usually?

Green.
Yellow.
White.
✓ Red.

Stop signs are almost always red because red is universally associated with danger and the need to stop immediately.

Red octagonal stop sign
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid keeping the clutch pedal pressed while driving?

300. Why should you avoid keeping the clutch pedal pressed while driving?

It locks the steering.
It applies the parking brake.
It increases tyre pressure.
✓ It reduces engine braking and vehicle control.

Keeping the clutch pedal pressed while the vehicle is moving disconnects the engine from the transmission. This reduces engine braking and can reduce your control of the vehicle.

Clutch held down while a vehicle is moving
AI-generated by Traffic-rules.com • WCIT • CC BY-SA