To become a professional driving instructor in the UK, you must pass the ADI Theory Test. This is the first step towards achieving your Approved Driving Instructor qualification, alongside the practical driving and instructional ability tests. Our free online platform helps you practise Mock Theory Test questions and get ready for the official exam.

📝 ADI Theory Test – Structure

The ADI Theory Test consists of two main components: multiple-choice questions and hazard perception. Both sections must be passed to progress to the practical parts of your ADI qualification.

Test Component Details & Pass Requirements
Multiple-Choice Questions 100 questions, 90 minutes, must score 85/100 overall. Questions split across 4 categories: Road Procedure, Traffic Signs & Signals, Driving Test & Legal Regulations, Instruction Techniques. Minimum 20/25 per category required. Touchscreen or mouse input.
Hazard Perception Guidance 14 CGI clips with at least 1 developing hazard per clip (one clip has 2 hazards). Max 5 points per hazard. Pass mark 57/75. Online practice provides awareness only; essential for practical readiness.
Certification Pass certificate issued on the day of the test, valid for 2 years, required to book the ADI part 2 practical test.

📚 How to Prepare for the ADI Theory Test

  • 📖 Study the Highway Code and traffic signs in depth
  • 🚦 Learn essential driving skills and mechanical knowledge
  • 🧑🏫 Review the Driving Instructor’s Handbook and instructional techniques
  • ⚠️ Practice hazard perception videos to improve awareness
  • ✅ Complete multiple mock theory tests online to track progress

📌 Eligibility Requirements

  • 21 years or older
  • Full UK driving licence held for at least 3 years
  • No disqualifications in the last 4 years
  • DBS check completed
  • If automatic licence only, can teach automatic cars (manual optional with additional test)

❓ FAQ

100 multiple-choice questions across 4 categories and hazard perception guidance to simulate real-life situations for instructors.

You need at least 85/100 overall and 20/25 in each of the 4 categories. You can flag questions and review them before submitting.

Yes, you must score at least 57/75 on hazard perception guidance. Online practice is recommended to build awareness before the practical test.

Your pass certificate is valid for 2 years and is required to book the practical ADI part 2 test.

Yes, our platform provides Free UK Driving Theory Test and Practice Driving Theory Test Online resources for aspiring instructors.

Editorial Review
Reviewed by: MockTheoryTest.co.uk Editorial Team
Review year: 2026
Reference sources: DVSA Theory Test guidance • The Highway Code (GOV.UK)