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: Managing Risk

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

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

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

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

Turn on the warning bells at the crossing.

2 / 40

Category: Legal Matters/Rules of the Road

2. If a driver wishes to drive a vehicle but the tax disc is expired, what should they do?

They should drive it only in case of an emergency

They should renew it within 10 days of expiry

They should contact the Gardaí for approval

They should tax it immediately

3 / 40

Category: Legal Matters/Rules of the Road

3. What does this traffic light mean?

Traffic may proceed if the way is clear.

Give way to any oncoming traffic turning right.

Traffic must stop at the traffic light.

Traffic may proceed but not turn right.

4 / 40

Category: Legal Matters/Rules of the Road

4. What does this sign mean?

Crossroads with dual carriageway ahead.

T-junction ahead with roads of major importance.

Crossroads with major road ahead.

Road passing under a bridge ahead.

5 / 40

Category: Managing Risk

5. If a vehicle breaks down on a motorway, what should a person do?

Turn on the full beam headlights to alert other drivers.

Ask a passenger to stand on the road to warn other traffic.

Place a red warning triangle on the motorway to warn other drivers.

Use a roadside phone to contact Gardaí and never try to carry out repairs yourself.

6 / 40

Category: Technical Matters

6. What is an effect of under-inflated tyres on a vehicle?

Increased wear on the vehicle's engine

Improved fuel economy and braking

Impaired braking and steering

Improved braking and steering

7 / 40

Category: Legal Matters/Rules of the Road

7. What does this sign mean?

End of dual carriageway.

Double parking not allowed.

No overtaking

No stopping/parking on the right.

8 / 40

Category: Legal Matters/Rules of the Road

8. What must a driver do when this sign is NOT accompanied by a white stop line on the road?

Stop past the sign

Stop only if there is traffic on the major road

Stop at the sign

Stop no more than one car length past the sign

9 / 40

Category: Technical Matters

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

750 kg

900 kg

500 kg

850 kg

10 / 40

Category: Legal Matters/Rules of the Road

10. What does this sign mean?

Y-junction where main road bears to the left.

Y-junction where vehicles must go left.

Y-junction where main road bears to the right.

Y-junction where heavy vehicles must go left.

11 / 40

Category: Technical Matters

11. What effect can a worn shock absorber have on a vehicle?

It can cause the vehicle to 'bounce' in an unstable manner

It can cause an electrical short-circuit

It can increase fuel consumption

It can trigger the release of the airbags

12 / 40

Category: Legal Matters/Rules of the Road

12. What does this road marking mean?

A driver must not cross the broken white line unless it is safe to do so

A driver may not park along this road

A driver may not overtake along this road

A driver may overtake provided they do not cross the broken white line

A driver must not cross the broken white line unless it is safe to do so

13 / 40

Category: Legal Matters/Rules of the Road

13. What does this sign mean?

Traffic merging/diverging ahead.

Road narrows briefly ahead.

Yield to merging/diverging traffic ahead.

Diversion at junction ahead.

14 / 40

Category: Safe and Socially Responsible Driving

14. What should a driver do if there is black ice on the road?

Apply the brakes regularly to prevent them from freezing.

Apply the brakes regularly to check road surface.

Only use a low gear to improve traction.

Avoid harsh braking, steering and acceleration.

15 / 40

Category: Managing Risk

15. Who should first be contacted where a person has been injured in a collision?

The emergency services

The injured person's insurance company

The injured person's solicitor

The person's relatives

16 / 40

Category: Legal Matters/Rules of the Road

16. What does this sign mean?

Crossing traffic ahead

Three hundred meters to the next exit

Parking for three vehicles only

Three lanes ahead

17 / 40

Category: Managing Risk

17. What position should a driver generally adopt on approach to a roundabout when intending to take the first exit to the left?

Approach in the left-hand lane.

Approach in any lane available.

Approach by straddling both lanes.

Approach in the right-hand lane.

18 / 40

Category: Safe and Socially Responsible Driving

18. Why does it take longer to stop the vehicle on a wet road?

The tyres have less road grip than in dry weather

The brake fluid is less effective in wet weather

The suspension of the vehicle is lighter in wet weather

The tyres have more grip than in dry weather

19 / 40

Category: Safe and Socially Responsible Driving

19. 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

20 / 40

Category: Legal Matters/Rules of the Road

20. What does this sign mean?

Unguarded level crossing ahead.

Level crossing ahead guarded by gates.

Crossroads with dual carriageway ahead.

T-junction with crossroads ahead.

21 / 40

Category: Safe and Socially Responsible Driving

21. What should a driver do when approaching a junction normally controlled by traffic lights and the traffic lights are not lighting?

Proceed smartly through the junction to avoid delay

Treat it as an unmarked junction and proceed cautiously while watching out for other traffic

Switch on headlights, move to centre of the junction and proceed as quickly as possible

Stop at the junction and give way to traffic on the left

22 / 40

Category: Managing Risk

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

Six monthly

Monthly

Annually

Regularly

23 / 40

Category: Control of Vehicle

23. What is the recommended method of driving a car with automatic transmission?

Operate the accelerator with the right foot and the brake with the left foot

Use the handbrake to bring the vehicle to a halt

Operate the accelerator and brake with the right foot

Operate the accelerator and brake with the left foot

24 / 40

Category: Legal Matters/Rules of the Road

24. What does this sign mean?

Contra-flow bus lane on the right.

With-flow bus lane to right.

Cycle track may be crossed by buses.

Buses emerging from right.

25 / 40

Category: Legal Matters/Rules of the Road

25. What does this hand signal mean?

The driver intends to begin a U-turn

The driver intends to turn right

The driver intends to turn left

The driver intends to slow down or stop

26 / 40

Category: Legal Matters/Rules of the Road

26. What does this Garda signal mean?

Stop if approaching from behind

Proceed if approaching from behind

Stop if approaching from the front

Proceed if approaching from the front

27 / 40

Category: Legal Matters/Rules of the Road

27. What does this traffic light mean?

Prepare to move off

Stop, unless it is unsafe to do so

The traffic lights are out of order

Proceed if the way is clear

28 / 40

Category: Safe and Socially Responsible Driving

28. Why is tailgating (driving too close behind the vehicle in front) dangerous?

The braking system is less efficient in the slipstream of the vehicle in front

The vehicle will exceed the speed limit

The engine may overheat because of restricted air flow over the vehicle's engine

The vehicle will not have sufficient distance to stop safely in an emergency

29 / 40

Category: Legal Matters/Rules of the Road

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

Breakdown recovery

Doctor on call

Mountain rescue

Garda

30 / 40

Category: Legal Matters/Rules of the Road

30. What does this road marking mean?

Drivers must keep left of the continuous white line

Only motorcyclists may cross the lines to overtake

Drivers may cross the line to overtake

Drivers must keep left of the continuous white line

Oncoming traffic may cross the line to overtake

31 / 40

Category: Legal Matters/Rules of the Road

31. Unless otherwise indicated, what is the maximum permissible speed for cars or motorcycles on national roads?

120 km/h

100 km/h

80 km/h

60 km/h

32 / 40

Category: Safe and Socially Responsible Driving

32. What should a driver do when there are dark clouds and visibility is reduced during daylight hours?

Driver should not switch on lights until lighting up hours

Keep close to any vehicle in front with headlights off

Drive with dipped headlights switched on

Drive with main beam headlights switched on

33 / 40

Category: Managing Risk

33. 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 driver's insurance company and the Gardaí

The National Driver Licence Service (NDLS)

The local Motor Taxation Office

34 / 40

Category: Managing Risk

34. What is the purpose of the red reflectors at the rear of a vehicle?

They reflect light at night to make other road users aware of the vehicle

They warn pedestrians of the vehicle's location

They are a substitute in case of brake-light failure

They warn the driver behind to switch to main beam

35 / 40

Category: Managing Risk

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

Never drive below the posted speed limit.

Drive closer to the vehicle in front.

Keep a safe distance from the vehicle in front.

Always switch off your radio to avoid distractions.

36 / 40

Category: Managing Risk

36. In normal driving conditions on a motorway, which lane should the driver occupy?

Drive in the offside (right-hand) lane as the nearside (left-hand) lane is for HGVs and buses only

Constantly manoeuvre between whichever lane has the least volume of traffic.

Drive in the nearside (left-hand) lane unless intending to overtake.

Drive in the offside (right-hand) lane unless intending to take a left exit.

37 / 40

Category: Safe and Socially Responsible Driving

37. What should a driver do if they are not travelling as fast as the vehicle in front?

The driver should switch on hazard warning lights and keep to the left

The driver should invite traffic to overtake them by giving a hand signal

The driver should keep to the left and allow vehicles to overtake if they wish

The driver should keep their position and not allow following vehicles to overtake

38 / 40

Category: Safe and Socially Responsible Driving

38. What should a driver do when they want to safely change to the lane on the right in which there is other traffic?

Use the mirror, signal and move into the right-hand lane when a suitable gap appears in the traffic in that lane

Move gradually into the right-hand lane, indicate and then check mirrors.

Pull in and stop, wait until a suitable gap appears and then move out to the right-hand lane

Increase speed until travelling at the same speed as the traffic in the right lane, then move over and check mirrors

39 / 40

Category: Legal Matters/Rules of the Road

39. Is it permitted to use a vehicle in a public place without a current tax disc displayed?

Yes, but for not more than 10 days after the expiry of the previous disc

No, only vintage vehicles are exempt from displaying a tax disc

Yes, but for not more than one month after the expiry of the previous disc

No, all motor vehicles must display a current tax disc

40 / 40

Category: Legal Matters/Rules of the Road

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

It is prohibited to proceed in the direction indicated

When safe, drivers should proceed in the direction indicated

Proceed smartly through junction to avoid delay

The direction indicated is a cul-de-sac

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