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: Control of Vehicle

1. When should the handbrake be used to bring a vehicle to a halt?

Normally never

Only when going uphill

Only when going downhill

At any time

2 / 40

Category: Managing Risk

2. What is the minimum legal tread depth for tyres on cars?

1 millimetre

0.6 millimetres

2.6 millimetres

1.6 millimetres

3 / 40

Category: Legal Matters/Rules of the Road

3. When is parking permitted at a taxi rank?

When parking for less than 15 minutes

When the rank is unoccupied

Parking at a taxi rank is prohibited unless driving a taxi

When waiting to collect passengers from a taxi

4 / 40

Category: Safe and Socially Responsible Driving

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

When driving at less than 50 km/h.

When driving at more than 100 km/h.

When there is no oncoming traffic.

When meeting or driving behind other traffic.

5 / 40

Category: Managing Risk

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

Regularly

Six monthly

Monthly

Annually

6 / 40

Category: Managing Risk

6. A driver wishes to drive at night, but the off-side (right-hand side) headlight bulb is blown. What should the driver do?

Replace it temporarily with the brake-light bulb

Not drive until the bulb is replaced

Drive with the hazard lights on

Replace it temporarily with the near-side (left-hand side) bulb

7 / 40

Category: Safe and Socially Responsible Driving

7. Subject to the speed limit, what is the 'safest' speed to drive at?

A driver should always try to drive at the speed limit for the road that they are on

The speed that will enable the driver to stop the vehicle within the distance ahead that they can see to be clear

A driver should always try to drive at the speed of other road users, regardless of the speed limit

The speed of the slowest vehicle on the road

8 / 40

Category: Safe and Socially Responsible Driving

8. How does giving a late signal affect other road users?

It only affects other road users at roundabouts

It only affects other road users at traffic lights

They are not affected

They may not have been given sufficient time to react

9 / 40

Category: Managing Risk

9. What lighting must be on a two-axle car-trailer?

Indicators, brake lights, rear number plate light, red reflectors and rear tail lights.

Indicators and rear number plate lights only.

Flashing rear tail lights.

10 / 40

Category: Managing Risk

10. A fault in which component may lead to uneven or excessive tyre wear?

Suspension

Clutch

Gearbox

Accelerator

11 / 40

Category: Legal Matters/Rules of the Road

11. What do flashing amber arrows indicate at a junction?

It is prohibited to proceed in the direction indicated

The direction indicated is a cul-de-sac

Proceed smartly through junction to avoid delay

When safe, drivers should proceed in the direction indicated

12 / 40

Category: Safe and Socially Responsible Driving

12. When driving at night the full headlights of a typical car should enable the driver to see for a distance of how many metres?

100 metres

50 metres

150 metres

200 metres

13 / 40

Category: Safe and Socially Responsible Driving

13. With regard to vehicle speed, what should a driver do when driving at night?

Drive at a higher speed than during the day to reduce the chances of falling asleep.

Maintain normal vehicle speed and drive with full headlights.

Drive at a speed that enables the driver to stop within the distance ahead that they can see to be clear.

Increase vehicle speed as traffic is lighter at night.

14 / 40

Category: Legal Matters/Rules of the Road

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

When the barrier is fully up

When there are no lights visible

When the red and amber lights stop flashing

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

15 / 40

Category: Managing Risk

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

In either lane.

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

In the right-hand lane

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

16 / 40

Category: Legal Matters/Rules of the Road

16. What does this road marking mean?

Set down area only

No parking in this area

A driver may overtake in this area

Road surface is uneven

17 / 40

Category: Technical Matters

17. In general, above what gross vehicle weight must a trailer have brakes fitted?

900 kg

750 kg

850 kg

500 kg

18 / 40

Category: Legal Matters/Rules of the Road

18. If a driver wishes to drive another vehicle which is not currently taxed, would they be allowed to transfer the current tax disc from their own vehicle onto it?

Under circumstances when the proper form has been completed and sent to the local Motor Tax Office

Under no circumstances should a tax disc be transferred to another vehicle

Yes, provided their own vehicle is not being used at the same time

Only on a temporary basis if the other vehicle is subject to a lower rate of tax

19 / 40

Category: Managing Risk

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

When the vehicle has broken down.

When about to pull in and stop.

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

When the brake lights are not working.

20 / 40

Category: Technical Matters

20. What effect would a weak battery have on a vehicle?s driving performance?

The headlights would not function

It would have no effect

Uphill acceleration would be reduced

The fuel would burn less efficiently

21 / 40

Category: Legal Matters/Rules of the Road

21. If driving from A to B, what do these road markings mean?

Oncoming traffic may not cross the lines to overtake

A driver may not cross the lines to overtake

A driver may cross the lines to overtake

Only motorcyclists may cross the lines to overtake

22 / 40

Category: Safe and Socially Responsible Driving

22. What effect does drinking alcohol have on a driver?

It increases concentration

It increases awareness

It reduces concentration

It improves coordination

23 / 40

Category: Managing Risk

23. What is the main difference between driving on a motorway and driving on other types of road?

Traffic generally travels at lower speeds on a motorway than on a dual-carriageway.

Traffic travelling at 120 km/h must only use the outside lane of a motorway.

Learner permit holders must be accompanied by a full licence holder.

Traffic is generally permitted to travel at a higher speed on a motorway.

24 / 40

Category: Legal Matters/Rules of the Road

24. What does this Garda signal mean?

Proceed if approaching from the front

Stop if approaching from either the front or behind

Turn right

Turn left

25 / 40

Category: Managing Risk

25. What should a driver do when entering a tunnel?

Never drive below the posted speed limit.

Always switch off your radio to avoid distractions.

Keep a safe distance from the vehicle in front.

Drive closer to the vehicle in front.

26 / 40

Category: Technical Matters

26. What should a driver do before checking the engine oil level on a vehicle?

Make sure that the engine is switched off and cold

Make sure that the vehicle is in a low gear

Make sure that the engine is switched on and hot

Make sure that the engine is running

27 / 40

Category: Managing Risk

27. What should a driver do when involved in an incident where nobody is injured but the vehicles are causing a danger or obstruction on the road?

Take care when moving damaged vehicles and make every effort to warn other traffic

Move all passengers and put a red warning triangle on the road

Wait for the Gardaí to arrive before moving the vehicles

Halt all traffic until it has been established who is at fault

28 / 40

Category: Safe and Socially Responsible Driving

28. What should a driver do if a bus in front has moved out to make a left-hand turn and there is oncoming traffic?

Stay back and allow the bus to complete the turn

Overtake on the left-hand side

Maintain speed until up close behind the bus

Overtake on the right-hand side

29 / 40

Category: Safe and Socially Responsible Driving

29. What are the possible consequences of having incorrectly adjusted headlights?

The headlights could overheat

Visibility could be increased

Oncoming road users could be dazzled

The wattage of the headlights could be reduced

30 / 40

Category: Legal Matters/Rules of the Road

30. What does this sign mean?

Road closed - drivers must turn back

Series of speed ramps ahead.

Sharp change of direction to the left.

Sharp change of direction to the right.

31 / 40

Category: Legal Matters/Rules of the Road

31. Who is entitled to see a driver's vehicle registration document?

Any fire brigade or ambulance personnel at the scene of a collision the driver has been involved in

A member of the car recovery company or anyone assisting in the recovery

Any person with whom the driver is involved in a collision

A Garda may ask you to produce the vehicles registration document at a named Garda station

32 / 40

Category: Managing Risk

32. In general, where two lanes are provided on the approach to a roundabout, which lane should a driver select when they intend taking an exit to the right (past the 12 o’clock position) of the roundabout?

The right-hand lane.

The left-hand lane.

Either lane.

By straddling both lanes.

33 / 40

Category: Legal Matters/Rules of the Road

33. What does this sign mean?

Road narrows on the left.

End of dual carriageway.

The driver must overtake on the right only.

Merging traffic from the left.

34 / 40

Category: Safe and Socially Responsible Driving

34. What should a driver do if they wish to drive across a busy road and the traffic lights which normally control the junction are temporarily out of action?

Take good observation, wait for a clear break in the traffic and proceed to cross the road safely

Switch on headlights and use hand signals to show other drivers their intention to cross and then proceed

Slowly force their way across using hazard warning lights if necessary

Sound the horn and proceed slowly to cross the road

35 / 40

Category: Safe and Socially Responsible Driving

35. What stopping distance should a driver allow for when driving in snow or icy conditions?

Up to ten times the normal distance

The normal distance

Up to half the normal distance

Twice the normal distance

36 / 40

Category: Legal Matters/Rules of the Road

36. What does this sign mean?

Restricted road width ahead.

Restricted weight limit for road segment indicated.

Road narrows ahead - maximum length of vehicle is indicated.

Low bridge up ahead.

37 / 40

Category: Managing Risk

37. A driver wishes to go straight ahead at a cross junction of equal importance. If they encounter other traffic, what is the general rule that applies?

Give way to traffic approaching firstly from the left and then the right.

Traffic approaching from the driver’s right has right of way.

Give way to traffic approaching from the left only.

Carry on as normal as they always have the right of way

38 / 40

Category: Managing Risk

38. What traffic may use a with-flow bus lane during the times specified on information signs at the start of the lane?

All traffic

Vehicles with more than one passenger.

Buses only.

Buses, taxis and cyclists.

39 / 40

Category: Control of Vehicle

39. The parking brake (hand brake) generally works on which wheels?

The rear right-hand wheel

The rear wheels

The front wheels

All the wheels

40 / 40

Category: Safe and Socially Responsible Driving

40. When driving on a national road is it permitted to drive on the hard shoulder in order to allow faster-moving traffic to overtake?

Yes, temporarily when the hard shoulder is clear and it is safe to drive there

Only when driving on a dual carriageway

Only when a truck or bus wants to overtake

No, except when driving on a 2-plus-1 road

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

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