About the exam
UK ADR Driver Exam structure
An independent UK study guide aligned to ADR 2025 and the current DVSA dangerous-goods driver syllabus, preserving Core, common characteristics, Classes 1–9, Packages and Bulk, and Tanks in one modular slug.
Issuer and path
UK ADR Dangerous Goods Driver Training Study Guide is administered through Department for Transport (DfT). Check official resources before booking, retesting, or relying on a stale requirement.
1. Core
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General ADR duties, identification, exemptions, documents, vehicle operation, security, personal protection and emergency action.
2. Common Characteristics
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Shared physical, chemical and health characteristics used by the grouped Class A and Class B qualification routes.
3. Class 1 — Explosives
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Explosive divisions, compatibility, containment, loading, security and specialist emergency action.
4. Class 2 — Gases
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Gas divisions, containment states, pressure, cryogenic and BLEVE hazards, and protective measures.
5. Class 3 — Flammable Liquids
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Vapour formation, flashpoint, ignition, flammable ranges, containment and incident precautions.
6. Class 4 — Flammable Solids
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Divisions 4.1, 4.2 and 4.3, self-heating and water-reactive hazards, temperature control and segregation.
7. Class 5 — Oxidizers and Organic Peroxides
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Divisions 5.1 and 5.2, combustion support, instability, temperature control and contamination prevention.
8. Class 6 — Toxic and Infectious Substances
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Toxic exposure, infectious material categories, segregation, decontamination and protective measures.
9. Class 7 — Radioactive Material
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Radiation and contamination controls, packages and indexes, security, stowage and specialist emergency action.
10. Class 8 — Corrosive Substances
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Effects on tissue and materials, reactions, segregation, containment and personal protection.
11. Class 9 — Miscellaneous Dangerous Substances
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The varied Class 9 hazard set, including environmental, heating and ignition risks.
12. Packages and Bulk
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Package, IBC, overpack and bulk rules; marks, exemptions, loading, restraint, segregation and vehicle marking.
13. Tanks
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Tank types and equipment, filling and discharge, pressure and static controls, vehicle behaviour and tanker incidents.
Before booking a course
Tell an approved centre the classes and Packages, Bulk or Tanks work you actually need. Confirm the initial or refresher route, current card expiry, practical attendance, exams and any employer tanker or sector-specific training.
How to use this guide
How to prepare for UK ADR driver training
Confirm the qualification route first, master Core, then combine the correct class and Packages, Bulk or Tanks content with approved practical training.
1. Establish applicability and territory
Identify the goods, quantity, containment, journey and exemption position, then select ADR with the current GB or Northern Ireland rules.
2. Identify the load precisely
Use the UN number, proper shipping name, class, subsidiary hazard, packing group and applicable special provisions.
3. Confirm driver and vehicle scope
Check the card endorsements, Packages or Tanks mode, vehicle or tank approval, documents, marks and equipment.
4. Control loading and journey risks
Verify containment, compatibility, segregation, restraint, capacity, route, parking and security before movement.
5. Protect people and environment
Select PPE and emergency action from the actual hazard, keep an escape route and avoid intervention beyond training.
6. Escalate and document
Stop when information or conditions are unsafe, notify the responsible people and responders, and preserve required records.
Modular qualification
Core first, then the right scope
Choose only the class and carriage-mode modules that match the intended work and card endorsements.
Core ADR Driver Duties
The shared legal, operational, security, protective and emergency foundation for every qualification route.
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Common Dangerous-Goods Characteristics
Shared hazard behaviour and protective principles supporting grouped-class study.
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Class 1 Explosives
Specialist Class 1 identification, compatibility, loading, security and incident controls.
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Class 2 Gases
Gas states, divisions, containment hazards and emergency precautions.
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Class 3 Flammable Liquids
Flammable-liquid behaviour, ignition control, containment and PPE.
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Class 4 Flammable Solids
The three Class 4 divisions and their distinct control measures.
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Class 5 Oxidizers and Organic Peroxides
Oxidizing, unstable and temperature-sensitive Class 5 hazards.
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Class 6 Toxic and Infectious Substances
Exposure routes, infectious categories, separation and decontamination.
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Class 7 Radioactive Material
Specialist radiation protection, package control, stowage and emergency response.
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Class 8 Corrosive Substances
Corrosive effects, reactive hazards, segregation and personal protection.
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Class 9 Miscellaneous Dangerous Substances
Recognition and control of the varied Class 9 hazard family.
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Packages and Bulk Carriage
Containment, marks, thresholds, handling, restraint and transport-unit marking.
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Tanker Carriage
Tank equipment and approvals, loading and discharge, vehicle dynamics and incidents.
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ADR Framework, Roles and Identification
How ADR, domestic law, multimodal rules and the duties of consignor, carrier, driver, consignee and DGSA fit together.
Key rules
Rule 1
ADR is applied through current domestic law and interacts with rail, sea and air rules at modal transfers.
Exam cue: Start with the territory, mode, substance identification and participant role.
Rule 2
UN numbers, proper shipping names, classes, subsidiary hazards and packing groups identify the load and its hazards.
Exam cue: Use the exact transport description and current source instead of a trade name alone.
Rule 3
Each participant has distinct duties; the driver must verify and act within their role rather than assume another party's task.
Exam cue: Escalate classification or documentation uncertainty before the journey begins.
Common traps
Treating ADR as self-executing without checking the applicable UK domestic instrument.
Prevention: Do not treat an exemption, valid card, approved package or posted speed as permission to ignore the actual conditions and remaining duties.
Confusing a UN number with a complete transport description.
Prevention: Do not treat an exemption, valid card, approved package or posted speed as permission to ignore the actual conditions and remaining duties.
Assuming the driver owns every duty in the transport chain.
Prevention: Do not treat an exemption, valid card, approved package or posted speed as permission to ignore the actual conditions and remaining duties.
Memory anchors
ADR + Domestic Law
Use ADR 2025 with the current GB or Northern Ireland implementing rules.
Transport Identity
UN number, proper shipping name, class and any packing group work together.
Primary and Subsidiary
A label may show the main hazard while another records a subsidiary hazard.
Duty Chain
Consignor, carrier, driver, consignee and DGSA have connected but distinct responsibilities.
Modal Transfer
Road, rail, sea and air rules must be reconciled where modes meet.
Stop on Doubt
Unresolved classification or document uncertainty is a reason to escalate before departure.
Next best moves
Quick check-up
Use a short quiz to confirm the rule pattern is actually sticking.
Check-up Questions
Next step personalized recommendations
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Official resources
Verify the details with the official sources
Use these links for eligibility, scheduling, handbook rules, and issuer updates. Our guide helps you study; official sources tell you what the testing partner currently requires.
DVSA ADR driver training syllabus
The current statutory syllabus preserving the 13 units, teaching-unit requirements, learning objectives and practical content.
How to qualify as an ADR driver
DfT candidate overview explaining that every route combines Core with additional modules selected by class and carriage mode.
ADR training-course module combinations
Current individual-class, grouped A and B, and specialist Class 1 and 7 routes with minimum training times.
ADR driver examinations
Current candidate guidance for in-person online multiple-choice module exams, immediate results and the 16-week resit window.
Run approved ADR training courses
Current provider rules for approved instruction, mandatory practical exercises, exam-room controls and in-person exams.
ADR 2025 volumes
UNECE publication page for the 2025 edition of the Agreement concerning the International Carriage of Dangerous Goods by Road.
Great Britain CDG Regulations 2009
The principal Great Britain domestic implementing instrument, which must be read with current amendments and ADR.
Northern Ireland CDG Regulations 2010
The corresponding Northern Ireland instrument, which must be read with current amendments, authorisations and ADR.
HSE dangerous-goods driver and crew guidance
Great Britain enforcement guidance on driver training certificates, endorsements, general training and certificate checks.
HSENI carriage of dangerous goods
Northern Ireland overview of ADR training, valid certificates, equipment, enforcement and the regional Regulations.
Staying qualified
Current five-year validity, refresher timing and expiry rules.
Adding classes to an ADR card
Current process for training and examination in extra modules while retaining the original card expiry date.
FAQ
Common UK ADR Driver questions
Is this an official DVSA or Qualifications Scotland course?
No. It is an independent revision resource aligned to public DfT, DVSA, Qualifications Scotland, HSE, HSENI and UNECE material. Only a DVSA-approved centre using an approved programme and instructors can deliver the qualifying training and exams.
Which modules do I need for an ordinary dangerous-goods class?
For one or a small number of Classes 2, 3, 4, 5, 6, 8 or 9, the current route combines Core, Packages or Tanks or both, and the required individual class modules. A grouped route combines Core, a carriage-mode module, Common Characteristics and Group A for Classes 2, 3, 6 and 8, Group B for Classes 4, 5 and 9, or both groups.
Are Classes 1 and 7 part of the grouped route?
No. Explosives and radioactive materials are specialist routes. The current candidate guidance requires Core plus Class 1, Class 7 or both. Packages or Tanks become necessary if the driver later adds ordinary dangerous-goods classes whose route requires a carriage mode.
How long is the initial training?
It depends on the modules chosen and can take up to seven days including exams. Current minimums include nine hours for Core, 1.5 hours for Packages, 7.5 hours for Tanks, 1.5 hours each for Classes 2 and 3, 45 minutes each for Classes 4, 5, 6, 8 and 9, and six hours each for specialist Classes 1 and 7. Grouped routes use Common Characteristics and Group A or B minimums.
How many questions are there and what is the pass mark?
The current candidate page confirms an online multiple-choice exam for each module but does not publish one raw question count or time limit for all modules. The current official invigilator example briefing states a 70% minimum mark and requires the invigilator to announce the actual question count; use the live exam instructions rather than a historic paper format.
Can remote study replace the practical exercises?
No. Current provider guidance requires practical exercises to be done in person, including Core first aid, chest compressions, fire extinguishers and emergency action. Class 1 and Class 7 add emergency-action and vehicle-loading exercises. The tanker syllabus also says candidates should complete two teaching units with their employer on the actual tanker's technical aspects and operation.
Does every movement of dangerous goods require a full ADR driver card?
No. Applicability depends on the goods, quantity, containment, journey and available exemptions. Small-load, limited-quantity, excepted-quantity and other rules can change the driver-certificate duty, but general and function-specific training, risk assessment and other legal obligations may remain.
Are the domestic rules identical throughout the UK?
No. ADR supplies the common international framework, but Great Britain uses the 2009 Carriage of Dangerous Goods Regulations as amended and Northern Ireland uses its corresponding 2010 Regulations as amended. Competent authorities, authorisations and some related workplace rules also differ, so use the law for the territory where the activity occurs.
What happens if I fail one module?
Current GOV.UK guidance says a failed module exam may be retaken within 16 weeks without repeating the training, with no fixed limit on attempts inside that window. Confirm booking and same-day availability with the approved centre.
Does adding a module reset the five-year card period?
No. After the required training and exam, the replacement card shows the extra scope but keeps the original expiry date. Refresher timing must therefore be planned against the existing card.