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QuizTraffic rulesIreland

This interesting quiz helps you test your knowledge in a clear and visual way. With easy multiple-choice questions, you can quickly build confidence and learn new facts while keeping it simple, interactive, and fun.

Traffic signs
Traffic rules
Ireland
True/false 17 Ireland 34 Car controls 109 Dashboard lights 40 Priority rules 9 Pedestrians 19 Cyclists 20 Driving licence 40 Show all 641
What does this vehicle-control symbol indicate?

351. What does this vehicle-control symbol indicate?

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

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
What should you check before starting a motorcycle journey?

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

Only the fuel level and mirrors.
Only the brakes and lights.
✓ Tyres, brakes, lights, steering, and controls.
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
Which vehicle combination is covered by driving licence D1E?

353. Which vehicle combination is covered by driving licence D1E?

Any minibus with any trailer.
A category D bus with a heavy trailer.
A category C1 goods vehicle with a heavy trailer.
✓ A category D1 vehicle with a trailer over 750 kg.

Category D1E covers combinations consisting of a category D1 vehicle and a trailer with a maximum authorised mass above 750 kg.

Minibus and trailer covered by category D1E
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What normally happens to cruise control when you press the brake pedal?

354. What normally happens to cruise control when you press the brake pedal?

The selected speed increases.
✓ Cruise control is cancelled or temporarily disengaged.
The accelerator pedal locks in position.
The parking brake is applied.

Pressing the brake pedal normally cancels or temporarily disengages cruise control, returning speed control to the driver.

Brake-pedal operation to disengage cruise control
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you remove dark sunglasses before entering a tunnel?

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

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

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
Is a high-visibility vest required in cars in Ireland?

356. Is a high-visibility vest required in cars in Ireland?

✓ No.
Yes.

Cars in Ireland are not generally required to carry a high-visibility vest.

High-visibility vest for roadside use
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you not overtake near the top of a hill?

357. Why should you not overtake near the top of a hill?

Your engine loses power near the top of a hill.
✓ You may not see oncoming traffic or hidden hazards.
Hilltops usually have a slippery road surface.
Vehicles ahead always have priority on hills.

Near the top of a hill, your view ahead is limited. Oncoming vehicles, cyclists, pedestrians, or obstacles may be hidden.

Hill crest hiding the road ahead
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What licence is needed for a B vehicle towing a trailer up to 3,500 kg above 4,250 kg combined MAM?

358. What licence is needed for a B vehicle towing a trailer up to 3,500 kg above 4,250 kg combined MAM?

✓ Licence BE.
Licence C1.
Licence C1E.
Licence B with Code 96.

Category BE covers a category B towing vehicle with a trailer or semi-trailer having a maximum authorised mass of up to 3,500 kg. Category B with Code 96 is limited to combinations with a maximum authorised mass of up to 4,250 kg.

Car and trailer combination for category BE
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when entering a roundabout?

359. What should you do when entering a roundabout?

Enter if another driver appears to be slowing down.
Give way only to traffic in the lane nearest to you.
Enter if there is space, even if other traffic must slow down.
✓ Slow down, give way when required, and enter only when safe.

When approaching a roundabout, reduce your speed, observe traffic, follow the signs and local priority rules, and enter only when it is safe.

Vehicle at a roundabout entrance
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you avoid if your vehicle starts to skid?

360. What should you avoid if your vehicle starts to skid?

✓ Sudden braking, acceleration, or sharp steering.
Use smooth steering movements.
Allow the tyres time to regain grip.
Look where you want the vehicle to go.

Sudden braking, acceleration, or steering can make a skid worse. Stay calm and use smooth controls while the tyres regain grip.

Vehicle beginning to skid
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid braking hard on a curve?

361. Why should you avoid braking hard on a curve?

It can make the vehicle accelerate more slowly afterwards.
It can make the steering feel heavier.
It can increase tyre pressure during the turn.
✓ It can reduce control and increase the risk of skidding.

Hard braking on a curve can upset the vehicle's balance and reduce grip. Slow down before the curve and steer smoothly.

Vehicle braking while negotiating a bend
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if traffic ahead is blocking a junction?

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

Use the horn so traffic ahead moves forward.
Enter if the traffic light is green.
Follow the vehicle ahead into the junction.
✓ 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 should you do when traffic is merging from another lane?

363. What should you do when traffic is merging from another lane?

Maintain your speed and expect them to merge behind you.
Move closer to the vehicle ahead to keep your lane clear.
✓ Adjust your speed and leave space when safe.
Move into another lane without checking around you.

When traffic merges, good observation and speed control help vehicles join safely without sudden braking or conflict.

Vehicle merging from an adjacent lane
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You should always wear a seat belt, even on short trips.

364. You should always wear a seat belt, even on short trips.

✓ True.
False.

Seat belts reduce the risk of serious injury and should be worn on every trip, even short ones.

Driver wearing a seat belt for a car journey
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which vehicle type is mainly associated with driving licence C?

365. Which vehicle type is mainly associated with driving licence C?

Car.
✓ Truck.
Moped.
Bus.

Driving licence C is mainly associated with trucks. Category C1 covers smaller heavy vehicles, C covers larger heavy vehicles, and C1E and CE allow heavier trailers.

Driving licence card for category C
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should a motorcycle helmet be worn correctly and securely fastened?

366. Why should a motorcycle helmet be worn correctly and securely fastened?

To improve the rider's hearing in traffic.
To make the motorcycle easier to balance.
✓ To reduce the risk of serious head injury in a collision.
To reduce fuel consumption at higher speeds.

A correctly fitted and securely fastened motorcycle helmet helps protect the rider's head and can reduce the risk and severity of head injury in a collision or fall.

Motorcyclist wearing a securely fastened helmet
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do after fitting a temporary spare wheel?

367. What should you do after fitting a temporary spare wheel?

Increase its pressure to match the other tyres.
Use it as a permanent replacement if it looks undamaged.
Ignore its speed restriction on short journeys.
✓ Follow its speed and distance restrictions and replace it as soon as possible.

Temporary spare wheels may have limited speed, distance, and handling capabilities. Arrange a proper repair or replacement promptly.

Temporary spare wheel fitted to a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should an EV charging cable be positioned where pedestrians may pass?

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

✓ So it does not create a trip hazard or obstruct the route.
Around nearby street furniture to keep it under tension.
Across the shortest possible route, even if people walk there.
Loose on the ground so pedestrians can step over it.

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 is the legal blood alcohol limit for ordinary drivers in Ireland?

369. What is the legal blood alcohol limit for ordinary drivers in Ireland?

✓ 0.5 g/L.
0.0 g/L.
0.8 g/L.
0.2 g/L.

The legal blood alcohol limit for ordinary drivers in Ireland is 0.5 g/L.

Alcohol limits for ordinary drivers
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

370. What does this dashboard symbol indicate?

Front windscreen demister.
Air recirculation.
✓ Rear window demister.
Windscreen washer.

This symbol indicates the rear window demister. It heats the rear window to help clear condensation, mist or frost and improve visibility.

Rear-window demister symbol on the dashboard
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How can parking too close to a junction affect visibility?

371. How can parking too close to a junction affect visibility?

It blocks the view only for pedestrians.
It has no effect if the hazard lights are on.
It affects only the driver of the parked vehicle.
✓ It can block the view between road users.

Parking too close to a junction can block visibility. Drivers, cyclists, and pedestrians may have difficulty seeing each other in time.

Parked vehicle obstructing visibility near a junction
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if animals are gathered beside a narrow rural road?

372. What should you do if animals are gathered beside a narrow rural road?

✓ Reduce speed and pass only when there is enough space.
Sound your horn so the animals move away.
Maintain speed because the animals are beside the road.
Use the opposite lane without checking.

Animals beside a narrow road may step into your path. Slow down and leave as much safe space as possible.

Animals gathered beside a narrow rural road
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if your vehicle becomes stuck on a railway crossing?

373. What should you do if your vehicle becomes stuck on a railway crossing?

Walk along the tracks to look for help.
Try to restart the vehicle until help arrives.
Move everyone beside the vehicle while waiting.
✓ Get everyone out, move away, and contact the emergency services.

Move everyone well away from the tracks. Use the crossing emergency telephone or displayed contact information where available, or contact the emergency services immediately.

Vehicle stranded on a railway crossing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before refuelling a petrol or diesel vehicle?

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

Keep the engine idling if the vehicle is outside.
Switch on the hazard lights while refuelling.
Increase the engine speed before removing the fuel cap.
✓ Switch off the engine before starting to refuel.

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
What colour is a stop sign usually?

375. What colour is a stop sign usually?

✓ Red.
Yellow.
White.
Blue.

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 the driver's floor mat be properly secured?

376. Why should the driver's floor mat be properly secured?

It could make the steering wheel harder to turn.
✓ It could slide forwards and interfere with the pedals.
It could cause the tyres to lose pressure.
It could reduce the effectiveness of the airbags.

A loose or incorrectly fitted floor mat can move into the pedal area and interfere with the accelerator, brake, or clutch. Make sure the driver's floor mat is correctly fitted, secured, and does not obstruct any pedal.

Driver's floor mat near the pedals
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

377. What does this dashboard symbol indicate?

Low washer fluid.
Charging-system warning.
Engine-temperature warning.
✓ Low fuel level.

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 the single-wipe position of the windscreen-wiper control do?

378. What does the single-wipe position of the windscreen-wiper control do?

Sprays washer fluid onto the windscreen.
Activates the rear wiper.
Runs the wipers continuously.
✓ Operates the windscreen wipers once.

The single-wipe position operates the windscreen wipers for one sweep and then stops. It is useful when only a small amount of water or spray needs to be cleared from the windscreen.

Single-wipe setting on the windscreen-wiper control
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which vehicles are covered by driving licence C1?

379. Which vehicles are covered by driving licence C1?

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.
Any heavy vehicle with a heavy trailer.

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

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

Immediately behind the vehicle so you remain visible.
✓ Behind a safety barrier and well away from the vehicle and traffic.
In front of the vehicle while facing approaching traffic.
On the verge beside the broken-down vehicle.

A stationary vehicle can be struck by passing traffic. Waiting behind a barrier provides better protection.

People waiting behind a safety barrier after a breakdown
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid travelling with the seatback excessively reclined?

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

It can make the airbag deploy earlier.
✓ It can reduce how effectively the seat belt restrains you.
It can cause the seat belt to lock during normal driving.
It can cause the seat to slide forwards when braking.

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 makes up the total stopping distance of a vehicle?

382. What makes up the total stopping distance of a vehicle?

Reaction distance and following distance.
Tyre distance and braking distance.
Visibility distance and reaction distance.
✓ Reaction distance and braking distance.

The total stopping distance consists of the distance travelled while the driver reacts to a hazard plus the distance travelled while the vehicle is braking to a stop.

Reaction and braking distances before a vehicle stops
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do before using a pedestrian crossing?

383. What should you do before using a pedestrian crossing?

Cross as soon as the nearest vehicle starts slowing down.
Rely on the crossing markings to make every vehicle stop.
✓ Make sure it is safe to cross.
Cross once a driver makes eye contact with you.

Even at a pedestrian crossing, make sure approaching drivers have seen you and are able to stop before you cross.

Pedestrian checking traffic before using a crossing
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you use headlights in poor visibility?

384. Why should you use headlights in poor visibility?

To reduce fuel consumption.
To prevent the tyres from slipping.
✓ To see better and be seen by others.
To keep the windscreen clear.

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 can uneven tyre wear indicate?

385. What can uneven tyre wear indicate?

The tyres are correctly inflated.
The vehicle has been driven mainly at low speeds.
✓ Incorrect pressure, poor alignment, or a suspension or braking problem.
The wheels are correctly aligned.

Uneven wear may result from incorrect tyre pressure, wheel misalignment, worn suspension parts, or a brake that is not releasing properly.

Uneven wear across a vehicle tyre
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

386. What does this vehicle-control symbol indicate?

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

This control adjusts the vehicle's exterior mirrors. The driver normally selects the left or right mirror and then moves the control to change its angle.

Control for adjusting the exterior mirrors
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Which motorcycles are covered by driving licence A1?

387. Which motorcycles are covered by driving licence A1?

Motorcycles of any power.
✓ Motorcycles up to 125 cm³ and 11 kW.
Cars up to 3,500 kg.
Motorcycles up to 35 kW.

Category A1 covers motorcycles with an engine capacity of no more than 125 cm³, power of no more than 11 kW, and a power-to-weight ratio of no more than 0.1 kW/kg. It also covers powered tricycles up to 15 kW.

Light motorcycle covered by category A1
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

388. What does this dashboard symbol indicate?

Power-steering warning.
Electronic stability control.
Engine-management warning.
✓ 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
When should you select R (Reverse) in an automatic vehicle?

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

Whenever you want to reduce speed.
✓ After the vehicle has come to a complete stop.
Before pressing the brake pedal.
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
Why should you avoid using air recirculation for too long in damp conditions?

390. Why should you avoid using air recirculation for too long in damp conditions?

✓ It can cause the windows to mist.
It can overheat the engine.
It can reduce tyre pressure.
It can switch off the air conditioning.

Using air recirculation for too long in damp conditions can allow moisture to build up inside the vehicle and increase window misting, especially when the air conditioning is not dehumidifying the air. Switching to fresh outside air can help clear condensation.

Air-recirculation setting and misted vehicle windows
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
You should check your mirrors before changing lanes.

391. You should check your mirrors before changing lanes.

False.
✓ True.

Checking your mirrors helps you see surrounding traffic before moving into another lane.

Driver checking a mirror before changing lanes
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this dashboard symbol indicate?

392. What does this dashboard symbol indicate?

✓ Exterior-light failure.
Dipped headlights.
Rear fog lights.
Charging-system warning.

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
What should you do if a child runs onto the road ahead?

393. What should you do if a child runs onto the road ahead?

Accelerate to pass before the child moves further into the road.
Swerve immediately into the opposite lane.
Flash your lights instead of slowing down.
✓ Brake firmly and be prepared to stop.

Children can act unpredictably. Brake firmly, stay alert, and be prepared for more children to follow.

Child entering the road ahead of a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do when temporary traffic lights show red?

394. What should you do when temporary traffic lights show red?

✓ Stop before the signal or temporary stop line.
Only permanent traffic lights are valid.
Follow the vehicle ahead through the signal.
Continue if the road ahead appears clear.

Temporary traffic signals must be obeyed like permanent signals. Stop and wait until you are permitted to continue.

Red signal on temporary roadworks traffic lights
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
How should a disabled vehicle be towed?

395. How should a disabled vehicle be towed?

With nobody controlling the disabled vehicle.
✓ Use approved towing points and a method permitted by local rules.
Without checking the steering or brakes.
By attaching a rope to the bumper.

Incorrect towing can damage the vehicle or cause loss of control. Follow the manufacturer's instructions and local rules, and use professional recovery when the correct procedure is uncertain.

Disabled vehicle being towed
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What should you do if you have taken drugs that may impair your driving?

396. What should you do if you have taken drugs that may impair your driving?

Wait until you feel more confident.
Drive only on familiar roads.
✓ Do not drive.
Drink coffee before driving.

Drugs can impair judgement, coordination, concentration, and reaction time. Their effects can be unpredictable and may continue after you feel that the main effects have passed. Do not drive while impaired.

Drug impairment and the decision not to drive
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does this vehicle-control symbol indicate?

397. What does this vehicle-control symbol indicate?

Headlight flash.
Parking assistance.
Cruise control.
✓ Horn.

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
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Is a first-aid kit required in cars in Ireland?

398. Is a first-aid kit required in cars in Ireland?

✓ No.
Yes.

Cars in Ireland are not generally required to carry a first-aid kit.

First-aid kit carried in a vehicle
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
What does the ACC position of a traditional ignition switch normally allow?

399. What does the ACC position of a traditional ignition switch normally allow?

The parking brake to release.
The starter motor to turn the engine.
✓ Electrical accessories to be used without starting the engine.
The transmission to select Drive.

The ACC (accessory) position normally supplies power to certain electrical accessories, such as the audio system, without starting the engine. The exact functions available can vary between vehicles.

ACC accessory position on an ignition switch
AI-generated by Traffic-rules.com • WCIT • CC BY-SA
Why should you avoid removing the coolant cap while the engine is hot?

400. Why should you avoid removing the coolant cap while the engine is hot?

Opening it can reduce the engine oil pressure.
✓ Pressurised hot coolant may escape and cause serious burns.
The coolant level may become harder to read.
The cooling fan could stop working.

A hot cooling system may remain under pressure. Allow the engine to cool and follow the manufacturer's instructions before checking or adding coolant.

Coolant cap and the risk of hot pressurised coolant
AI-generated by Traffic-rules.com • WCIT • CC BY-SA