ADR certificate exam questions 2021: What drivers and dangerous goods officers need to know

The European Agreement concerning the International Carriage of Dangerous Goods by Road (ADR) is updated every two years. The 2021 version came into force on January 1, 2021 and was valid with a transition period until June 30, 2021. Anyone looking for ADR mock exam questions 2021 today is either checking an old practice level or preparing a refresher. The ADR 2025 version has been relevant since January 1, 2025, the transition period of which ended on June 30, 2025. Examinations according to the IHK standard are carried out exclusively in accordance with the current version; the 2021 questionnaires are no longer relevant to the examination.

For medium-sized companies that ship or transport dangerous goods, the driver's mock test in accordance with Section 5 GGVSEB is only one component. In addition, there is the 1.3 instruction for all other people involved, the obligation to appoint a dangerous goods representative in accordance with Section 1 GbV for the quantities specified there, the list of transports and the audit requirements from ADR 1.8.3. This article classifies the exam material logic, shows the differences between 2021 and 2025 and explains the organisational obligations that must be sustainably documented in the company. It expressly addresses management and human resources managers who do not train drivers themselves but are liable for the entire organisation.

For years, the ADR certificate exam has been divided into a basic course and three possible advanced courses. The basic course covers the transport of dangerous goods in general cargo and concludes with a written IHK examination of 30 questions, of which 25 must be answered correctly. Advanced tank course includes a further 18 questions, 15 of which must be correct, and qualifies you for the transport of dangerous goods in tanks. Advanced course class 1 concerns explosive substances and objects, advanced course class 7 concerns radioactive substances. The passing mark is around 80 percent correct answers.

The validity of an ADR certificate is five years. The refresher training must be completed before it expires, otherwise the full initial training is required again. The refresher exam includes 15 questions for the basic course and 10 questions for the advanced courses. Training may only be carried out by training organizers recognised by the responsible authority; the examination itself is carried out by the IHK. The list of recognised training organizers is maintained by the state transport ministries and is publicly available.

Anyone who acquired the ADR certificate in 2021 is currently close to the end of its five-year validity. The refresher training takes place according to the ADR status 2025, not according to the original training status from 2021. Anyone who completes a new initial training because the deadline has passed will go through the entire material of the current version. The appointment certificate, signed, filed, verifiable also applies to ADR certificates, which must be stored in audit-proof documentation. Anyone who uses a driver with an expired licence as a dispatcher is also liable as the client because the selection and monitoring obligation is part of their duties.

The basic course teaches the nine dangerous goods classes according to ADR Part 2: Class 1 explosive substances, Class 2 gases, Class 3 flammable liquid substances, Class 4 flammable solid substances and self-igniting substances, Class 5 igniting substances and organic peroxides, Class 6 toxic and infectious substances, Class 7 radioactive substances, Class 8 corrosive substances and Class 9 various dangerous substances and Items. The test requires the assignment of typical substances to classes, knowledge of the danger labels and the understanding of classification codes and packaging groups I, II and III.

Packaging and labelling are a second block. Drivers must recognise the meaning of UN codes on packaging, know the requirements for large packaging and IBCs and master the load securing obligations according to ADR 7.5.7. Documentation is the third block: transport document according to ADR 5.4.1 with UN number, official name, classes, packaging group, number and description of the packages, written instructions according to ADR 5.4.3 for the driver, large labels and licence plates on the vehicle.

The fourth block is obligations in the event of damage: procedure in the event of an accident, use of the equipment according to ADR 8.1.5, understanding the written instructions, reporting to authorities and superiors. The fifth block is tunnel restrictions and prohibitions according to ADR Part 8.6 with tunnel categories A to E. Anyone who passes the basic course masters the full range of driver duties, without the tank, class 1 or class 7-specific material. Audit-proof, documented, ADR-proof from the company's perspective only applies if the certificates are stored in a versioned manner and refresher appointments are systematically monitored.

ADR 2025 contains several structurally relevant changes compared to ADR 2021. In Part 1, definitions have been updated, particularly regarding lithium batteries and energy storage systems. In Part 2, classifications for certain lithium-ion cells were clarified and new special provisions for fuel cells and hydrogen-related substances were included. In Part 3, special regulations for UN numbers that are relevant in battery logistics and lithium supply were revised, which particularly affects e-mobility, stationary storage systems and recycling.

In Part 5, the requirements for transport documents for lithium batteries were sharpened, in Part 7 the regulations for general cargo transport were adjusted, and in Part 8 the requirements for equipment and written instructions were updated. Anyone who was trained in 2021 and completes the refresher training in 2025 must, in particular, master the new lithium regulations. The tunnel passage restrictions have also been adjusted in some UN numbers with regard to route planning and scheduling.

In practice, this means: practice questions from 2021 are still usable as a basis for knowledge, but exams are only based on the current version. Anyone who learns based on 2021 questions may fail the exam due to lithium, fuel cell and tunnel topics. In the company, dangerous goods officers and external dangerous goods officers must document the topicality of the training content against the applicable ADR version, which is recorded in the annual report according to ADR 1.8.3.3.

ADR 1.3 requires all persons whose activities involve the transport of dangerous goods to be instructed, unless they hold an ADR certificate. This applies to shippers, packers, loaders, fillers, unloaders and recipients, as well as all employees who participate in loading and unloading processes, create transport documents or attach labels. The instruction must take place before starting the activity for the first time, be repeated at regular intervals and be documented.

In terms of content, the 1.3 instruction is divided into three parts: an introductory instruction with the general regulations of the ADR, a task-related instruction with the person's specific scope of duties and a safety instruction with how to behave in the event of incidents. ADR 1.3.3 requires a written record with the name, date, content of the instruction and confirmation from the instructor. This documentation must be kept for at least three years and must be presented during supervisory audits.

In practice, companies fail on three points: The training is carried out once after employment and is never repeated. The record is incomplete or illegible. The training is only carried out for drivers and warehouse employees, but not for shipping clerks who prepare transport documents. The fine limit according to Section 37 Paragraph 1 GGBefG is up to 50,000 euros for intentional violations and up to 25,000 euros for negligence. It is also important that the instruction must reflect every ADR amendment, i.e. it must be adapted to the new version every two years. The clock starts on awareness.

The obligation to order results from Section 1 GbV in conjunction with ADR 1.8.3. Every company whose activities include the transport of dangerous goods, including the packaging, loading, filling or unloading associated with the transport, is obliged to appoint a dangerous goods representative. Exceptions exist for companies that only send exempt quantities or only act as a recipient, whereby the receiving activity alone does not exempt from the order obligation, even if it is unloaded.

The order is placed in writing by the company management. It can be done internally if there is a suitable person with an ADR training certificate according to 1.8.3.7, or externally by commissioning an external dangerous goods officer. In any case, the appointment must be verifiable to the responsible authority and the person appointed must have a valid training certificate, which is renewed every five years. The tasks of the dangerous goods officer are listed in detail in ADR 1.8.3.3 and include monitoring, advice, ensuring mandatory training, emergency planning and annual reports.

In practice, external appointment is regularly recommended for SMEs because the scope of activities is often not sufficient to justify an internal full-time position, but at the same time the responsibility is significant. CIVAC offers the order as an officer-as-a-service with the CIVAC SLA of two business days until the appointment certificate is signed. Licence the workspace for your internal representatives, or have our representatives order it. The appointment certificate, signed, filed, verifiable.

ADR 1.8.3.3 lists the duties of the dangerous goods officer. He monitors compliance with the regulations, advises the company, ensures that employees are informed and instructed about the ADR, and prepares a written annual report to the company management. The annual report is mandatory according to ADR 1.8.3.3 and must cover the points mentioned in 1.8.3.3 b): verification of classification, transport documents, packaging, loading, emergency equipment, labelling, selection of carriers and selection of subcontractors.

Other duties include reviewing procedures in the event of accidents or violations, investigating serious incidents and preparing a report on such incidents. The annual report must be kept for at least five years and presented to the authority upon request. In consulting practice, it is regularly noticed that annual reports are available, but are only filled out in a formulaic manner, without concrete findings, without an action plan, and without reference to specific promotions in the reporting year. Such reports only fulfil the obligation formally, not in terms of content.

Audit-proof, documented, § 1.8.3-firm means: The annual report contains the list of sample checks carried out with date and results, a list of the instructions with participants and content, an evaluation of the transport documents with complaints, an overview of the equipment with test data, a list of incidents with root cause analysis and measures, an assessment of the selection of carriers and subcontractors. The CIVAC platform offers a template for the annual report that specifies these fields and links them to the underlying documents so that creation takes place in hours instead of days.

In practice, companies need a duty matrix that assigns the training requirements for each person who comes into contact with dangerous goods. Drivers need the ADR licence in the relevant class combination, with a refresher every five years. Shippers, packers, loaders, fillers, unloaders and recipients require 1.3 training, regularly renewed and documented. The dangerous goods officer himself requires training according to 1.8.3.7 with renewal every five years. Depending on the activity, supervisors and dispatchers need 1.3 training and ideally an awareness of the obligation to order and the annual report.

The matrix is ​​managed with three axes: person, activity, level of training. The person and activity determine the training requirement, the training status shows the last completed training with the date and certificate number. A resubmission function warns 90 days before a certificate expires, so that the refresh can be organised in good time. Training organizers are selected based on recognition by the authority, availability, price and content, with documented justification in the selection process.

In the CIVAC platform, this matrix is ​​available as a standard module for dangerous goods officers. It combines the training data with the list of promotions, the transport documents and the annual report. A second view shows the aggregation at company level with the proportion of invalid certificates and the next ten expiring authorizations, which serves as a control tool for management. The auditor calls, the evidence is ready.

Violations of dangerous goods regulations are punished in accordance with Section 37 GGBefG in conjunction with the GGVSEB. The fine limit is up to 50,000 euros per individual violation for intentional violations and up to 25,000 euros for negligent violations. The catalogue of fines for dangerous goods lists specific offenses with standard amounts that range from simple labelling deficiencies (75 to 600 euros) to serious violations such as the unauthorized transport of explosive or radioactive substances (several thousand euros per transaction). In the event of repeated violations and personal injury, the offense of Section 328 StGB may be met, with criminal consequences for the persons involved.

The management is personally liable for breaches of supervisory duty in accordance with Section 130 OWiG. If an unappointed dangerous goods officer, a lack of 1.3 training or a failure to provide an annual report leads to an incident with personal injury, property damage or environmental damage, the breach of supervisory duty can usually be identified as a contributing cause. In insurance cases, the insurance benefit will be reduced if the compulsory organisation could not be proven. In procurement procedures for logistics customers, the presentation of the current dangerous goods officer order confirmation and the most recent annual report is standard.

From a reputational perspective, dangerous goods incidents have a particularly lasting effect because they often make it to local media and are associated with environmental or health risks. Anyone who transports dangerous goods as a manufacturer, dealer or logistician without demonstrably fulfilling their obligations not only risks fines, but also contract cancellations, higher insurance premiums and long-term damage to relationships with customers, authorities and residents. The clock starts on awareness.

The search for ADR mock exam questions 2021 is usually a symptom, not an end in itself. Behind this is a company that wants to stabilize the training situation, needs to clarify the ordering requirement or anticipates an upcoming supervisory audit. Anyone who systematically collects the inventory, maintains the obligation matrix, verifiably appoints the dangerous goods representative and designs the content of the annual report in a sustainable manner will have the main risks under control. Anyone who doesn't do this systematically is relying on chance that no supervisory review or incident will occur, which is becoming increasingly difficult to justify statistically.

CIVAC, as a compliance platform and officer-as-a-service, is built precisely for this case. The dangerous goods modules cover appointment certificate, training matrix, 1.3 instruction, annual report and incident management in one view, with EU data residency according to ISO/IEC 27001:2022. The 25 officer roles are all live, the dangerous goods officer is one of them. If you don't have an internal representative, CIVAC can take over the order, with the CIVAC SLA of two working days until the appointment certificate is signed. Licence the workspace for your internal representatives, or have our representatives appointed.

If you want to have your company's dangerous goods organisation audited or appoint a dangerous goods representative, turn reading into an order. Write to info@civac.de or use the contact form on civac.de. We will respond within one working day with a proposal that specifies the obligation matrix, the order and the first annual report. The FAQ page answers the most frequently asked questions about threshold quantities, training requirements and audit logic in advance.