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. What does this sign mean?

Two-way street ahead

Motorway ahead

Straight ahead only

Overtaking lane ahead

2 / 40

Category: Technical Matters

2. Under what circumstances could both cross-ply and radial tyres be fitted to a vehicle?

When towing a trailer in snow

When driving in slippery road conditions

When heavy loads are being carried

When each type is fitted on a different axle

3 / 40

Category: Control of Vehicle

3. Whilst driving, why might a driver suspect that the brake fluid level in their vehicle is low?

The brakes take longer than usual to release.

The brakes are unusually sharp.

The brakes feel hard to press.

The brakes feel spongy and soft.

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.

Road passing under a bridge ahead.

Crossroads with major road ahead.

5 / 40

Category: Managing Risk

5. If a driver notices that structural parts of their vehicle's body have been affected by rust, what should they do?

Treat the area with grease and paint over it

Have it repaired by a competent repair shop

Have paint sprayed over it of the same colour

Have it sandpapered and keep the affected area dry

6 / 40

Category: Safe and Socially Responsible Driving

6. 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 one second rule

Only a fool breaks the two second rule

Only a fool breaks the three second rule

7 / 40

Category: Managing Risk

7. What traffic may use a contra-flow bus lane?

Buses, taxis and motorcycles.

Buses and motorised wheelchairs only.

Buses, taxis and cyclists.

Buses on a scheduled service.

8 / 40

Category: Legal Matters/Rules of the Road

8. When can the holder of a Category W learner permit carry a passenger?

Only when the passenger holds a Category AM driving licence and the vehicle is designed to carry a passenger

Only when the passenger holds a Category AM driving licence

Only when the passenger also holds a Category W driving licence and the vehicle is designed to carry a passenger

Only when the passenger also holds a Category W driving licence

9 / 40

Category: Safe and Socially Responsible Driving

9. In dry weather how might a driver judge what is a safe following distance to vehicle in front?

Allow a least two vehicle lengths for each kilometre per hour

By allowing at least two vehicle lengths between the vehicles

By using a fixed point and applying the two second rule

Drive at the same speed as the vehicle in front

10 / 40

Category: Legal Matters/Rules of the Road

10. What does this sign mean?

Dual carriageway ahead

Start of central reserve or obstruction

Heavy vehicles have priority

Mini-roundabout ahead

11 / 40

Category: Managing Risk

11. What effect do the hazard warning lights have on the brake lights?

They cause the left and right brake lights to flash alternately.

They cause the brake lights to flash repeatedly.

They have no effect.

They cause the brake lights to switch off completely.

12 / 40

Category: Legal Matters/Rules of the Road

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

120 km/h

100 km/h

60 km/h

80 km/h

13 / 40

Category: Legal Matters/Rules of the Road

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

Both front and rear

On the rear only

On the front only

On the driver's side only

14 / 40

Category: Managing Risk

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

Always switch off your radio to avoid distractions.

Keep a safe distance from the vehicle in front.

Never drive below the posted speed limit.

Drive closer to the vehicle in front.

15 / 40

Category: Legal Matters/Rules of the Road

15. What do temporary traffic lights at road works mean?

A driver need not comply if a convoy of traffic is going in the same direction

A driver must comply with the lights at all times

A driver must comply with the lights when workers are on site only

A driver need only comply when there is oncoming traffic

16 / 40

Category: Legal Matters/Rules of the Road

16. What does this sign mean?

Level crossing ahead protected by lights and barriers.

Level crossing ahead unprotected by lights and barriers.

Railway station ahead.

Railway bridge ahead.

Level crossing ahead protected by lights and barriers.

17 / 40

Category: Control of Vehicle

17. What is the effect of an incorrectly adjusted driver's seat?

It enables the driver to relax more on a long journey

It gives the driver a better view in the rear-view mirror

It improves the driver?s ability to operate the clutch

It can delay the driver from operating a control

18 / 40

Category: Managing Risk

18. What should a driver do if a red system warning light lights up on the dashboard of their vehicle?

Continue on and listen for any unusual sounds

Continue on and see if it goes out

Stop and investigate the cause

Drive to the nearest garage and have it checked

19 / 40

Category: Managing Risk

19. When a driver wants to turn left into a property and there is a bus lane on the left, what should the driver do?

A driver should give way to buses only

A driver should never turn left across a bus lane.

Give way to cyclists, taxis and buses which may be using the bus lane.

Give way to cyclists and taxis which may be using the bus lane.

20 / 40

Category: Managing Risk

20. When a driver is at a junction where visibility is extremely limited, what should the driver do?

Move out with extreme care, watching carefully to the left and right.

Move the vehicle out onto the road to enable other drivers to see you.

Sound the horn and quickly proceed.

21 / 40

Category: Managing Risk

21. What should the driver do to secure the vehicle when changing a front nearside (left-hand side) wheel?

Ensure the gear lever is in neutral

Ensure that the vehicle cannot roll when jacked up

Point the front wheels away from the kerb

Point the front wheels towards the kerb

22 / 40

Category: Safe and Socially Responsible Driving

22. After overtaking another vehicle, what should a driver do?

Move immediately into the left after passing the vehicle

Gradually move back into the left when the vehicle has been passed

Continue to signal right for a distance

Move back in front of the vehicle and reduce speed

23 / 40

Category: Managing Risk

23. What may the hard shoulder of a motorway be used for?

Stopping to use a mobile phone.

Joining the motorway.

Exiting the motorway.

Stopping in an emergency.

24 / 40

Category: Managing Risk

24. When attaching a trailer to their vehicle, what must a driver check?

That the load is positioned to the front of the trailer.

That the trailer has a spare wheel.

That the load is positioned to the rear of the trailer.

That the load is evenly spread.

25 / 40

Category: Legal Matters/Rules of the Road

25. What does this sign mean?

Railway tunnel ahead.

Road divides ahead.

Tramline ahead.

Overtake only on the left ahead.

26 / 40

Category: Managing Risk

26. What should a driver do when they encounter mud on the road?

Reduce speed and be aware of farm or works vehicles on the road.

Gradually increase speed so that the mud on the road will not stick to the tyres.

Apply the brakes immediately and put on the hazard warning lights.

Change to a lower gear and pump the brakes to see how slippery the surface is.

27 / 40

Category: Safe and Socially Responsible Driving

27. When is it permissible to overtake another vehicle on the nearside (left-hand side)?

When there are three lanes available in fast moving traffic

A driver must never overtake on the left

Only when there is no cycle lane

When the vehicle in front is signalling to turn right

28 / 40

Category: Managing Risk

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

All traffic

Buses only.

Buses, taxis and cyclists.

Vehicles with more than one passenger.

29 / 40

Category: Managing Risk

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

The driver's insurance company and the Gardaí

The National Driver Licence Service (NDLS)

The Irish Insurance Federation

The local Motor Taxation Office

30 / 40

Category: Safe and Socially Responsible Driving

30. What would happen if a driver cuts in too soon when overtaking another vehicle?

The driver would not need to indicate when moving in

The safety gap between the vehicles increases

It will force oncoming vehicles to suddenly slow causing danger

It would force the other vehicle to suddenly slow or change direction causing danger

31 / 40

Category: Safe and Socially Responsible Driving

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

Overtake on the left-hand side

Maintain speed until up close behind the bus

Overtake on the right-hand side

Stay back and allow the bus to complete the turn

32 / 40

Category: Legal Matters/Rules of the Road

32. What does this sign mean?

School ahead

Pedestrian crossing ahead

Lane reserved for pedestrians

Beware of pedestrians at night

33 / 40

Category: Legal Matters/Rules of the Road

33. What must a driver do when this sign is accompanied by a white stop line on the road?

Stop only if there is traffic on the major road

Stop no more than one car length past the line

Stop past the line

Stop at the line

34 / 40

Category: Managing Risk

34. When should tyre pressure be checked?

When the tyres are cold

When the tyres are hot

When the tyres are part-worn

At service intervals only

35 / 40

Category: Legal Matters/Rules of the Road

35. What does the broken yellow line road marking mean?

Slow lane for heavy vehicles only

The edge of the carriageway or hard shoulder.

Parking prohibited at all times

No stopping for any reason except in an emergency

36 / 40

Category: Legal Matters/Rules of the Road

36. What does this sign mean?

Accompanied horses and ponies ahead

Entrance to horse riding school

Riding path - no vehicles allowed

Racecourse ahead

37 / 40

Category: Safe and Socially Responsible Driving

37. When dazzled by the lights of an oncoming vehicle, what should a driver do?

Look at the dashboard momentarily.

Do not look directly at the lights.

Turn their head to the right.

Shield their eyes with their hand.

38 / 40

Category: Legal Matters/Rules of the Road

38. What does this sign mean?

Level crossing ahead guarded by gates or barriers

Road fencing ahead

Farm machinery crossing ahead

Level crossing ahead guarded by gates or barriers

Private grounds - no entry

39 / 40

Category: Technical Matters

39. When a driver operates the indicator switch and hears a more rapid clicking noise than normal, what could this mean?

The hazard warning lights are on

The hazard warning light switch is faulty

An indicator bulb may have blown

The voltage regulator is not functioning properly

40 / 40

Category: Technical Matters

40. If a vehicle is driven with low oil pressure, what effect does this have on its engine?

It increases exhaust emissions

It increases wear and tear on the engine

It increases fuel consumption

It increases fuel efficiency

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
31/08/2026	Questions & Explanations Updated / Added	MC

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