DTT Study Guide 2026
Everything you need to pass the DTT exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
DTT exam key facts
- The Irish Driver Theory Test for either car (BW) or motorcycle (AM) contains 40 questions. Source
- The Irish Driver Theory Test for car or motorcycle allows 45 minutes. Source
- The Irish Driver Theory Test for car (BW) or motorcycle (AM) requires 35 correct answers out of 40 to pass. Source
- The Irish Driver Theory Test certificate is valid for two years from the test date. Source
📚 DTT Topics to Study (50)
✍️ Sample DTT Questions & Answers
1. What is the 'Dutch courage' effect of alcohol in terms of driving risk?
The 'Dutch courage' effect describes alcohol increasing risk-taking behaviour while simultaneously reducing the physical and cognitive ability to handle those risks — a deadly combination in driving.
2. What does a sign showing a red circle with a '30' inside mean?
A red-bordered circle with '30' inside is a mandatory maximum speed limit sign. No vehicle may exceed 30 km/h in that zone.
3. How should you use your headlights when driving into a low winter sun?
In low sun conditions, use dipped headlights even in daylight. While you may find it hard to see due to glare, dipped headlights help oncoming drivers see your vehicle against the bright background.
4. What should you look for when carrying out a visual walkaround check of a vehicle?
A walkaround check involves inspecting tyres (inflation and damage), all lights, fluid leaks under the vehicle, bodywork for damage, and any secured loads. This should be done before every journey.
5. You are driving along and a bus has stopped at a bus stop. The bus indicates to pull out. What should you do?
In Ireland, drivers must give way to buses pulling out from bus stops where a 'yield to buses' sign is displayed. Even without a sign, giving way is the safe and courteous action.
6. What is the safest way to designate a driver when going out with a group?
The designated driver must commit to drinking no alcohol before the outing begins. Choosing mid-evening, rotating, or picking the 'least drunk' person all risk driving above the limit.
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How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- theorytest.ie — Eligibility, exam format, passing score, score validity, fees, time limit, exam information · verified Oct 2026
- rsa.ie — Test delivery, score release · verified Oct 2026