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: Safe and Socially Responsible Driving

1. In wet weather how might a driver judge what is a safe following distance from the vehicle in front?

By allowing at least four seconds to elapse between the vehicle in front and the driver's own vehicle passing a fixed point

By allowing at least two seconds to elapse between the vehicle in front and the driver's own vehicle passing a fixed point

By allowing four vehicle lengths between the vehicles

By allowing two vehicle lengths between the vehicles

2 / 40

Category: Managing Risk

2. Is it permissible to drive a vehicle on a public road when the brake lights are not working?

Yes, outside of lighting-up times

No, unless driving in a built-up area

Yes, during lighting-up times

No, it is never permitted to be driven

3 / 40

Category: Safe and Socially Responsible Driving

3. 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

200 metres

50 metres

150 metres

4 / 40

Category: Technical Matters

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

Make sure that the engine is running

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

5 / 40

Category: Legal Matters/Rules of the Road

5. What does this sign mean?

Riding path - no vehicles allowed

Accompanied horses and ponies ahead

Entrance to horse riding school

Racecourse ahead

6 / 40

Category: Legal Matters/Rules of the Road

6. When do temporary speed limits apply at roadworks?

Only when there is oncoming traffic

For the duration of the roadworks

Only when road workers are on site

During business hours only

7 / 40

Category: Technical Matters

7. What can be affected by driving on under-inflated tyres?

The exhaust system

Climate control system

Engine temperature

Braking ability

8 / 40

Category: Safe and Socially Responsible Driving

8. What is the effect on the control of the vehicle if there is a film of water between the vehicle's tyres and the road surface?

Steering will be more effective

Braking only will be less effective

Steering and braking will be less effective

Steering and braking will be more effective

9 / 40

Category: Legal Matters/Rules of the Road

9. What does this sign mean?

One-way traffic to the right ahead.

Diversion to the right ahead.

Sharp bend to the right ahead.

You must turn right ahead.

10 / 40

Category: Safe and Socially Responsible Driving

10. When driving at night, what is the safest approach for a driver to adopt?

Drive with full headlights on at all times.

Drive at the maximum speed limit with dipped headlights on at all times.

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

Drive at the maximum speed limit with full headlights on to see clearly ahead.

11 / 40

Category: Managing Risk

11. What is the danger in driving at high speeds on wet roads?

Danger of ‘aquaplaning’ or sliding across the road surface

There is no danger provided that the tyre pressure has been reduced to take account of weather conditions.

There is no danger provided that the tyre pressure has been increased to take account of weather conditions.

Danger that tyre pressure will automatically increase.

12 / 40

Category: Managing Risk

12. What does worn tread along the edge of the inside of a tyre suggest?

Steering alignment may be faulty

The vehicle has been driven too fast around corners

Air pressure is low

Air pressure is high

13 / 40

Category: Managing Risk

13. What should a driver do when joining a motorway from a slip road?

Drive along the hard shoulder until a suitable gap appears in the motorway traffic to allow the driver to merge into it.

Drive directly onto the motorway as the driver on the acceleration lane has right of way.

Always stop at the end of the acceleration lane and yield to traffic on the motorway.

Try to match the vehicle speed to that of traffic already on the motorway and merge into it in a suitable gap.

14 / 40

Category: Legal Matters/Rules of the Road

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

A driver may overtake if it is safe to do so

Dual carriageway ahead

A driver may not overtake

A driver may overtake if it is safe to do so

Road narrows ahead

15 / 40

Category: Managing Risk

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

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.

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

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

16 / 40

Category: Safe and Socially Responsible Driving

16. What lights should a driver use when driving in dense fog?

Drive with dipped headlights and fog lights

Drive with sidelights and fog lights

Drive with sidelights and hazard warning lights

Drive with full headlights and fog lights

17 / 40

Category: Legal Matters/Rules of the Road

17. What does this sign mean?

Sharp corner to the left ahead

Diversion to the left ahead

One-way traffic to the left ahead

Turn left ahead

18 / 40

Category: Managing Risk

18. What should a driver do if involved in a collision with another vehicle where nobody is injured?

Give their name and address only to the other person

Submit a written report to the Insurance Bureau of Ireland

Exchange no details but report the incident to the Gardaí

Exchange all relevant details with the other driver

19 / 40

Category: Safe and Socially Responsible Driving

19. When driving into a narrow gap between oncoming vehicles and vehicles parked on the left. What should a driver do?

Signal to oncoming traffic to stop, and then move to the right and drive as normal

Indicate and drive on enforcing your priority

Indicate right, stopping if necessary until oncoming traffic has passed by

Always slow down, stop and wait to be beckoned forward

20 / 40

Category: Legal Matters/Rules of the Road

20. What does this sign mean?

Keep right.

Steep decline from the left.

No right turn.

Traffic crossing from the left.

21 / 40

Category: Safe and Socially Responsible Driving

21. When a driver is driving behind another vehicle that they do not intend to overtake, what should the driver do?

Keep well back and to the centre of the road

Drive close behind it in order to let following traffic overtake both vehicles

Keep well back to allow following traffic to overtake

Signal to following traffic to overtake both vehicles

22 / 40

Category: Legal Matters/Rules of the Road

22. What does this sign mean?

Y-junction ahead with roads of lesser importance

Junction ahead with dual carriageway.

Y-junction ahead with roads of equal importance.

Minor road ahead.

23 / 40

Category: Legal Matters/Rules of the Road

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

100 km/h

80 km/h

60 km/h

120 km/h

24 / 40

Category: Legal Matters/Rules of the Road

24. Is a driver still insured to drive their vehicle after their insurance policy has expired?

The driver is insured up to 7 days after the expiry of the policy

The driver is not insured after the expiry of the policy

The driver is insured up to 10 days after the expiry of the policy

The driver is insured up to 14 days after the expiry of the policy

25 / 40

Category: Managing Risk

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

1.6 millimetres

2.6 millimetres

0.6 millimetres

1 millimetre

26 / 40

Category: Legal Matters/Rules of the Road

26. What does this traffic light mean?

Traffic may stop if safe to do so.

Traffic may proceed if turning left.

Traffic must stop at the traffic light.

Traffic may proceed if safe to do so.

27 / 40

Category: Managing Risk

27. What danger could be associated with driving a tractor and trailer over a humpbacked bridge?

The trailer could become detached

The tractor's suspension could smooth out the bump

The trailer could jack-knife

The trailer's parking brake could automatically engage

28 / 40

Category: Managing Risk

28. Why is it important to ensure that the vehicle headlights are correctly aligned?

To reduce battery consumption

To enable the driver to drive faster in the dark

To increase the lifespan of the headlights

To enable the driver to see properly

29 / 40

Category: Safe and Socially Responsible Driving

29. Where are the blind spots that a driver needs to be aware of when towing a loaded trailer?

The area to the side and rear of the vehicle and the trailer that the driver cannot see

The goods or cargo area on the back of the trailer

The view to the front hidden by the sun-visor

Parts of the road ahead which are obscured by other large vehicles

30 / 40

Category: Managing Risk

30. How would a driver know that a brake-light bulb is not working?

They would notice the brake pedal become firmer under pressure

They would notice the brake pedal getting softer under pressure

By standing at the rear of the vehicle and checking as another person presses the brake pedal

By standing at the rear of the vehicle and getting another person to turn on side lights

31 / 40

Category: Managing Risk

31. What should a driver do if they arrive at the scene of a collision involving a vehicle carrying hazardous materials?

Contact the haulage company who own the vehicle

Keep well clear and call the emergency services

Try to prevent any further leakage of hazardous materials before raising the alarm

Try to move the vehicle to a safe place

32 / 40

Category: Safe and Socially Responsible Driving

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

When driving at less than 50 km/h.

When meeting or driving behind other traffic.

When driving at more than 100 km/h.

When there is no oncoming traffic.

33 / 40

Category: Legal Matters/Rules of the Road

33. When must the holder of a learner permit display L-plates on their car?

When driving to and from work

At all times when driving

When driving on their first learner permit

During daylight hours

34 / 40

Category: Managing Risk

34. In general, how frequently should a vehicle's lights be checked?

When wintertime approaches

Daily before driving

At minor service intervals

At major service intervals

35 / 40

Category: Managing Risk

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

They warn pedestrians of the vehicle's location

They warn the driver behind to switch to main beam

They are a substitute in case of brake-light failure

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

36 / 40

Category: Safe and Socially Responsible Driving

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

Twice the normal distance

Up to ten times the normal distance

The normal distance

Up to half the normal distance

37 / 40

Category: Managing Risk

37. What should a driver do to avoid the need for harsh braking?

Drive with one foot resting on the brake pedal.

Drive with cruise control engaged.

Look ahead and be prepared for what others may do.

Drive with one foot resting on the clutch pedal.

38 / 40

Category: Legal Matters/Rules of the Road

38. What does this road marking indicate?

Pedestrian island

Zebra crossing

Cycle lane

Traffic calming

39 / 40

Category: Legal Matters/Rules of the Road

39. What does this sign mean?

Three hundred meters to the next exit

Three lanes ahead

Parking for three vehicles only

Crossing traffic ahead

40 / 40

Category: Safe and Socially Responsible Driving

40. If a motorist or a motorcyclist is taking medication which may affect their driving, what should they do?

Drive slower when under the influence of medication that affects driving

Seek medical advice in relation to driving

Drink plenty of water while driving

Drive for short distances only

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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