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Key Facts: Ireland Truck Theory Test Exam

100

Official category C/D questions

TheoryTest.ie FAQ

120 minutes

Official category C/D time limit

TheoryTest.ie FAQ

74/100

Official category C/D pass mark

TheoryTest.ie FAQ

EUR72

RSA-published category C truck theory-test fee

RSA truck/bus theory test page

2 years

Theory-test certificate validity

RSA truck/bus theory test page

The Ireland category C truck Driver Theory Test is a 100-question, 120-minute computer-based test with a 74/100 pass mark and a EUR72 fee. A passed truck theory certificate is valid for up to two years for learner-permit application.

Sample Ireland Truck Theory Test Practice Questions

Try these sample questions to review concepts for the Ireland Truck Theory Test exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1Which Driver Theory Test category applies to heavy commercial vehicles such as trucks in Ireland?
A.AM
B.BW
C.C
D.D
Explanation: RSA lists heavy commercial vehicles as category C. BW is for cars, work vehicles and land tractors, while D is for buses.
2How many questions are on the official category C truck Driver Theory Test?
A.40
B.60
C.100
D.140
Explanation: TheoryTest.ie lists 100 questions for category C or D. The 140-question format is the combined bus and truck test.
3What is the pass mark for the category C truck Driver Theory Test?
A.35 correct
B.70 correct
C.74 correct
D.104 correct
Explanation: The category C test requires 74 correct answers out of 100. The 104 mark belongs to the combined C and D test.
4What time limit is published for category C or D theory tests?
A.45 minutes
B.60 minutes
C.120 minutes
D.180 minutes
Explanation: TheoryTest.ie publishes 120 minutes for category C or D. The 180-minute limit is for the combined C and D test.
5What fee does RSA publish for the category C truck theory test?
A.EUR45
B.EUR60
C.EUR72
D.EUR84
Explanation: RSA publishes EUR72 for either the category C truck or category D bus theory test. EUR84 is for the combined C and D test.
6How long is a passed truck theory test certificate valid for learner-permit application?
A.6 months
B.1 year
C.2 years
D.5 years
Explanation: RSA states that a truck, bus or combined theory test certificate is valid for up to two years. After that, it becomes invalid if not exchanged for the learner permit.
7Which official site should candidates use to book the Driver Theory Test?
A.theorytest.ie
B.nct.ie
C.motortax.ie
D.local-authority.ie
Explanation: RSA directs candidates to the official Driver Theory Test site, TheoryTest.ie. It warns candidates about fraudulent unofficial booking websites.
8Which organisation is the official road-safety body for the Irish Driver Theory Test process?
A.Road Safety Authority
B.Revenue Commissioners
C.Health and Safety Authority
D.County councils
Explanation: The Road Safety Authority is the official road-safety body. Prometric operates the Driver Theory Test service on RSA's behalf.
9Which topic is explicitly checked by the Driver Theory Test according to RSA?
A.Hazard awareness
B.Freight invoicing
C.Vehicle spray-painting
D.Warehouse staffing
Explanation: RSA says the theory test checks Rules of the Road, risk perception, eco-driving, hazard awareness and safe driving behaviour. It is not a business administration exam.
10Which official revision source does RSA say all road users must know well?
A.The Rules of the Road
B.A fuel-card handbook
C.A vehicle sales brochure
D.A private insurance quote
Explanation: RSA identifies the Rules of the Road as official material for all road users and a basis for passing the theory test.

About the Ireland Truck Theory Test Exam

Prepare for Ireland's category C truck Driver Theory Test with original practice questions grounded in RSA, TheoryTest.ie, NDLS, Rules of the Road, Driver CPC and tachograph guidance.

Exam sponsor: Road Safety Authority (RSA); Driver Theory Test service operated by Prometric Ireland Ltd. through TheoryTest.ie. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Computer-based category C Driver Theory Test. TheoryTest.ie publishes 100 randomly selected multiple-choice questions for category C or D; RSA separately publishes a combined C and D option with 140 questions.

Time Limit

120 minutes

Passing Score

74 correct out of 100

Exam / Certification Fees

EUR72 for category C truck theory test; EUR84 for the combined category C and D theory test, per RSA page reviewed on 2026-05-30.

Exam sponsor website

Reported exam pass rate: Not officially published. RSA, TheoryTest.ie and NDLS sources reviewed on 2026-05-30 did not publish an official category C truck theory-test pass rate. Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

10%

Theory Test Logistics

Category C identity, booking, fee, question count, time limit, pass mark, certificate validity and official revision sources.

15%

Licence Categories and Learner Permits

C, C1, CE, C1E, MAM, age rules, CPC-linked lower ages, learner permit restrictions, L-plates and accompaniment.

20%

Rules, Signs, Markings and Motorways

Rules of the Road, road signs, junctions, roundabouts, lane discipline, tunnels, motorways, speed choice and emergencies.

20%

Truck Safety, Loads and Roadworthiness

Pre-drive checks, brakes, tyres, mirrors, load restraint, weight distribution, abnormal loads, vehicle dimensions and stability.

20%

Tachographs, Driver Hours and CPC

Tachograph purpose, driver cards, analogue and digital records, downloads, driver-hours limits, breaks, Driver CPC and enforcement.

15%

Hazards and Vulnerable Road Users

Stopping distances, adverse weather, fatigue, cyclists, pedestrians, children, blind spots, left turns, reversing and professional driving behaviour.

Preparing for the Ireland Truck Theory Test Exam

What You Need to Know

  • Passing score: 74 correct out of 100
  • Assessment: Computer-based category C Driver Theory Test. TheoryTest.ie publishes 100 randomly selected multiple-choice questions for category C or D; RSA separately publishes a combined C and D option with 140 questions.
  • Time limit: 120 minutes
  • Exam / certification fees: EUR72 for category C truck theory test; EUR84 for the combined category C and D theory test, per RSA page reviewed on 2026-05-30. Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

Ireland Truck Theory Test: Suggested Study Strategy

1Start with the RSA Rules of the Road, then layer in truck-specific licence categories, load security and tachograph rules.
2Memorise the official category C logistics: 100 questions, 120 minutes, 74 correct to pass, EUR72 fee and two-year certificate validity.
3Practise C, C1, CE and C1E scenarios until MAM and trailer thresholds are automatic.
4For truck safety questions, think like a professional driver: vehicle condition, load stability, blind spots and stopping distance come before schedule pressure.
5Keep Driver CPC and the category C Driver Theory Test separate in your mind; they overlap in truck safety, but they are different qualifications.

Frequently Asked Questions

Is ie-dtt-truck a valid Ireland Driver Theory Test target?

Yes. RSA lists Heavy Commercial Vehicles as category C, and TheoryTest.ie publishes category C/D theory-test timing, question count and pass mark. RSA also publishes the category C truck theory-test fee and two-year certificate validity.

How many questions are on the Ireland truck theory test?

TheoryTest.ie publishes 100 questions for category C or D, with a 120-minute time limit and a pass mark of 74 correct answers.

How much does the category C truck theory test cost?

RSA publishes a EUR72 fee for either category C truck or category D bus. The combined category C and D test is published at EUR84.

How long is the truck theory test certificate valid?

RSA states that a truck, bus or combined bus and truck theory-test certificate is valid for up to two years. If it is not exchanged for a learner permit within that time, the test must be paid for and sat again.

Does passing category C theory give Driver CPC?

No. Category C theory is part of the learner-driver licensing route. Driver CPC is a separate professional-driver qualification requirement for most professional truck and bus drivers unless an exemption applies.

Does RSA publish a truck theory-test pass rate?

No official category C pass rate was found in the RSA, TheoryTest.ie or NDLS sources reviewed on 2026-05-30, so this metadata intentionally does not invent one.