Mock Theory Test

Practice Your RSA Theory Test

Our mock theory test allows you to practice your category 'B' (Car) theory test. We cover the five core areas that you will be tested on:

Control of the Vehicle
Legal Matters / Rules of the Road
Managing Risk
Safe and Socially Responsible Driving
Technical Matters

You have forty-five minutes to answer forty questions and must answer at least thirty-five correctly to pass.

Want to brush up on just your road signs before your test? Try our Irish Road Sign test.

Good luck!

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1 / 40

Category: Legal Matters/Rules of the Road

1. Where should L-plates be displayed on cars?

On the front only

On the driver's side only

On the rear only

Both front and rear

2 / 40

Category: Technical Matters

2. On a motorway, when should a driver use the hazard warning lights?

When slowing down quickly because of danger ahead

When another vehicle is following too closely

When towing another vehicle

When driving on the hard shoulder.

3 / 40

Category: Managing Risk

3. When should a driver use their hazard warning lights?

When the vehicle has broken down.

When the brake lights are not working.

When parking for a short time on a single yellow line.

When about to pull in and stop.

4 / 40

Category: Legal Matters/Rules of the Road

4. Which vehicle is exempt from speed limits when being used in an emergency?

Mountain rescue

Garda

Doctor on call

Breakdown recovery

5 / 40

Category: Legal Matters/Rules of the Road

5. When is double parking permitted?

It is never permitted

When there is a hard shoulder

When there are double yellow lines

When there are double white lines

6 / 40

Category: Safe and Socially Responsible Driving

6. When driving at night, when must a driver use dipped headlights?

When there is no oncoming traffic.

When driving at more than 100 km/h.

When driving at less than 50 km/h.

When meeting or driving behind other traffic.

7 / 40

Category: Safe and Socially Responsible Driving

7. What effect does patches of oil or diesel have on a road surface?

It improves the vehicle's braking ability

It reduces the tyre surface grip

It improves tyre surface grip

It increases tyre surface noise

8 / 40

Category: Legal Matters/Rules of the Road

8. What does this Garda signal mean?

Traffic approaching from the front may proceed

Traffic approaching from the right may proceed

Traffic approaching from behind must stop

Traffic approaching from the front must stop

9 / 40

Category: Safe and Socially Responsible Driving

9. What should a driver do in a queue of traffic controlled by traffic lights?

Overtake on the right and move to the head of the queue if there is space available

A driver should maintain their position in the queue

Overtake on the left and move to the head of the queue if there is space available

Put on a right signal to prevent following vehicles from overtaking

10 / 40

Category: Safe and Socially Responsible Driving

10. What should a driver who wishes to perform a turnabout do?

Drive onto a footpath if necessary in order to ensure that they have sufficient room to turn

Drive into somebody?s driveway and reverse back onto the road

It is not permissible to perform a turnabout in any circumstance

Check ahead and behind for oncoming traffic and turn briskly while still keeping a look out

11 / 40

Category: Legal Matters/Rules of the Road

11. Where is a driver allowed to park?

On a footpath

At road works

Where there is a continuous white line along the centre of the road

Where the driver is not blocking other road users their view of traffic signals or the road ahead

12 / 40

Category: Safe and Socially Responsible Driving

12. When can a driver expect to encounter black ice?

Black ice only occurs on motorways.

Only late at night.

When the temperature drops close to freezing.

Only in the early hours of the morning.

13 / 40

Category: Managing Risk

13. When driving along a dual carriageway in normal driving conditions, which lane should a driver be in?

In the left-hand lane unless the driver wishes to overtake or turn right.

In either lane.

In the right-hand lane except when driving a works vehicle or HGV

In the right-hand lane

14 / 40

Category: Managing Risk

14. What should a driver do if they drive past their intended exit by mistake?

Carefully complete a U-turn.

Stop on the hard shoulder and reverse back to the exit.

Drive on and leave at the next exit.

Use the emergency telephone to ask for advice

15 / 40

Category: Safe and Socially Responsible Driving

15. When a driver is driving in a line of traffic and does not intend to overtake, what should the driver do?

Indicate left as a signal to following traffic to overtake

Stay back and leave a gap for other drivers to overtake

Drive close to the vehicle in front

Beckon to following traffic to overtake

16 / 40

Category: Safe and Socially Responsible Driving

16. When driving, what effect could icy roads have on the vehicle?

Rear tyre pressure increases.

Tyre grip improves in lower temperatures.

The vehicle would be more likely to skid.

Front tyre pressure increases.

17 / 40

Category: Managing Risk

17. In general, how often should a driver check the tyre pressure of a vehicle?

Six monthly

Annually

Regularly

Monthly

18 / 40

Category: Managing Risk

18. After exiting the motorway and coming towards a junction at the end of the deceleration lane (slip road) what should a driver do?

The driver must always stop at the end of a slip road.

Maintain motorway speeds to the end of the slip road.

The driver should continue at the junction as traffic on the slip road has right of way.

Be alert for oncoming and crossing traffic at the end of the slip road.

19 / 40

Category: Legal Matters/Rules of the Road

19. What does this Garda signal mean?

Stop if approaching from either the front or behind

Turn right

Proceed if approaching from the front

Turn left

20 / 40

Category: Legal Matters/Rules of the Road

20. What does this sign mean?

No left turn.

Pass on the left.

Steep decline to the left.

Keep left.

21 / 40

Category: Legal Matters/Rules of the Road

21. What does this sign mean?

Tunnel ahead

Oncoming traffic has priority

Dual carriageway ends

Road narrows ahead

22 / 40

Category: Safe and Socially Responsible Driving

22. When driving behind a heavy goods vehicle that is signalling to turn right, what should a driver do?

See if the vehicle can complete the turn without stopping, and if not, overtake it yourself

Stay behind until there is sufficient space to overtake it on the inside or until it has completed the turn

Sound the horn and overtake the heavy goods vehicle on the right

Overtake it slowly on the inside by driving partly on the footpath if necessary

23 / 40

Category: Safe and Socially Responsible Driving

23. What phrase is recommended for drivers to help them determine a safe distance from the vehicle in front on a dry road?

Only a fool breaks the four second rule

Only a fool breaks the three second rule

Only a fool breaks the two second rule

Only a fool breaks the one second rule

24 / 40

Category: Legal Matters/Rules of the Road

24. What traffic may use a cycle lane accompanied by a continuous white line?

Cyclists and motorised wheelchairs

Buses and cyclists

Cyclists and motorcyclists

Cyclists and taxis

25 / 40

Category: Managing Risk

25. What should a driver do if their vehicle breaks down on an automatic railway level crossing?

Get passengers clear of the crossing and phone the signal operator so that trains can be stopped.

Try to push the vehicle clear of the crossing as soon as possible.

Turn on the warning bells at the crossing.

Walk along the track to give warning to any approaching trains.

26 / 40

Category: Legal Matters/Rules of the Road

26. When must drivers stop at an automated railway level crossing with barriers and red flashing lights?

When there are no lights visible

When the barrier is fully up

Stop safely when the amber light shows, or when red lights start to flash

When the red and amber lights stop flashing

27 / 40

Category: Safe and Socially Responsible Driving

27. When is it safe for a driver to use the main beam headlights when driving at night?

In built up areas where there is good street lighting.

When following a vehicle a short distance ahead.

When there is no oncoming traffic.

This practice is not permitted.

28 / 40

Category: Legal Matters/Rules of the Road

28. What does this hand signal mean?

The cyclist intends to turn left

The cyclist intends to dismount

The cyclist intends to stop

The cyclist intends to overtake

29 / 40

Category: Safe and Socially Responsible Driving

29. What clearance should drivers normally allow for when passing parked vehicles?

A car width

The width of a side mirror

The width of an average person

A door width

30 / 40

Category: Legal Matters/Rules of the Road

30. What does this sign mean?

Start of central reserve or obstruction

Mini-roundabout ahead

Heavy vehicles have priority

Dual carriageway ahead

31 / 40

Category: Safe and Socially Responsible Driving

31. When driving along and wishing to use a hand-held mobile phone, what should a driver do?

Move the phone as needed and keep the call to just a few minutes

Steer with one hand

Secure the phone between head and shoulders while steering with both hands

Stop at a safe location before using the phone

32 / 40

Category: Legal Matters/Rules of the Road

32. What does this sign mean at a junction?

Yield to traffic on the major road.

Slow down and yield to pedestrians.

Yield to traffic coming from your right only.

Yield to all heavy goods vehicles.

33 / 40

Category: Legal Matters/Rules of the Road

33. What does this road marking indicate?

Cycle lane

Zebra crossing

Pedestrian island

Traffic calming

34 / 40

Category: Legal Matters/Rules of the Road

34. When should children be allowed to drive a tractor?

When it is being driven at very slow speeds and not towing a trailer

When accompanied by a fully licensed driver

Children should never be allowed to drive a tractor

When it is being driven at very slow speeds and without a front loader

35 / 40

Category: Technical Matters

35. When is it recommended to use coolant?

All year round

In petrol engines only

Summer only

Winter only

36 / 40

Category: Safe and Socially Responsible Driving

36. What should a driver do if another vehicle blocks their right of way at a junction?

Sound the horn and flash the lights to show your frustration

Be patient and show restraint.

Flash the headlights to express displeasure

Pursue the vehicle and express displeasure

37 / 40

Category: Managing Risk

37. If a driver is involved in a serious collision with an uninsured motorist, where nobody is injured, who should it be reported to?

The Irish Insurance Federation

The local Motor Taxation Office

The National Driver Licence Service (NDLS)

The driver's insurance company and the Gardaí

38 / 40

Category: Technical Matters

38. What is the primary purpose of the battery fitted to a petrol - or diesel - powered motor vehicle?

To provide braking

To start the engine

To provide heat to the engine

To reduce fuel consumption

39 / 40

Category: Safe and Socially Responsible Driving

39. What should the driver do when there is a sharp dip in the road ahead?

Reduce speed, keep to the left and be alert for hazards ahead

Move to the centre of the road in order to avoid any vehicles that might be parked on the left

Pull in, stop and switch on hazard warning lights

Increase speed and make progress through the dip

40 / 40

Category: Legal Matters/Rules of the Road

40. What does this sign mean?

Crossroads with dual carriageway ahead.

Unguarded level crossing ahead.

T-junction with crossroads ahead.

Level crossing ahead guarded by gates.

Your score is

Disclaimer

This is completely free to use as often as you like. We try to ensure all the questions' accuracy and validity and keep them updated with the official RSA theory test questions. The tests try to simulate the real experience as much as possible. Like the actual test, you are given 45 minutes to complete the test. At the end of each test, you are given your result and can review your incorrect answers to see where you went wrong. If you see any errors or omissions, please get in touch with us.

Version Control

Date	Changes	By Whom
25/10/2023	Theory test created.	MC
14/03/2024	Questions Updated / Added	MC
29/05/2024	Questions & Explanations Updated / Added	MC
04/06/2024	Questions & Explanations Updated / Added	MC
18/06/2024	Questions & Explanations Updated / Added	MC
23/09/2025	Questions & Explanations Updated / Added	MC
27/01/2026	Questions & Explanations Updated / Added	MC
03/06/2026	Corrected a bug Where 14 Questions Would Display any Chosen Answer as Wrong	MC

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