Practise for the DGSA Road exam before you sit it
Sit a timed Road practice paper in the format of the official Road sample paper (one case study and compulsory questions), and see your mark in about a minute.
- Written answers, marked point by point
- ADR, CDG2009 or derogation cited
- Model answer every time
- Road1 h 45 minone case study (35 marks) + compulsory questions (15 marks): plates, equipment, 1.1.3.6, tunnels, CDG2009
Sit a timed Road practice paper in the format of the official Road sample paper (one case study and compulsory questions), and see your mark in about a minute: every point that earned marks, every point you missed with the relevant reference, and a model answer. Road had the lowest national pass rate of the three papers in four of the five sittings from March 2024 to March 2025.
What a marked answer looks like
An example answer to our free Core question, marked the way every answer in our practice papers is marked: what earned marks, quoting the answer, and each point missed with its reference.
Your company has developed a new liquid solvent blend (it is not a pesticide). It has a flash-point (closed cup) of 30 °C, an initial boiling point of 150 °C and an LD50 (oral) of 150 mg/kg. It is not toxic by the dermal or inhalation routes, has no other hazards, is not listed by name in Table A, and no more specific collective entry applies. State its class and packing group, showing how you reached your answer, and give an appropriate UN number and proper shipping name.
Flash-point 30 °C and boiling point 150 °C, so Class 3, PG III. LD50 150 mg/kg makes it toxic too, Class 6.1. Answer: Class 3, PG III with a 6.1 subsidiary hazard. UN 1992 Flammable liquid, toxic, n.o.s.
Your references: none given
What earned marks
- +1 Flammability: flash-point 23-60 °C with initial boiling point above 35 °C gives Class 3, packing group III.
Flash-point 30 °C and boiling point 150 °C, so Class 3, PG III
- +1 Final answer: Class 3, packing group III, with a Class 6.1 subsidiary hazard.
Class 3, PG III with a 6.1 subsidiary hazard
- +1 UN 1992 FLAMMABLE LIQUID, TOXIC, N.O.S. (classification code FT1), packing group III entry.
UN 1992 Flammable liquid, toxic, n.o.s.
Points you missed
- -1 Toxicity: oral LD50 150 mg/kg (above 50 and up to 300) gives Class 6.1, packing group III.ADR 2.2.61.1.7
- -1 Table of precedence: Class 3 PG III against Class 6.1 PG III gives 3, III (footnote a gives 6.1 only for pesticides, which this is not).ADR 2.1.3.10
- -1 References for the steps (2.2.3.1.3, 2.2.61.1.7, 2.1.3.10, 2.2.3.3).Reference box
Fix first: Show each step with its paragraph: the 6.1 packing group and the table of precedence are marks of their own, and so are the references.
Free: one Core question, marked in full
Answer as you would on the paper, with your ADR references. About 8 minutes. No sign-up.
Question 1 6 marks
Your company has developed a new liquid solvent blend (it is not a pesticide). It has a flash-point (closed cup) of 30 °C, an initial boiling point of 150 °C and an LD50 (oral) of 150 mg/kg. It is not toxic by the dermal or inhalation routes, has no other hazards, is not listed by name in Table A, and no more specific collective entry applies. State its class and packing group, showing how you reached your answer, and give an appropriate UN number and proper shipping name.
0 words · at least 50 needed for feedback. Answer as fully as you would on the day.
The 3 Road papers
One payment unlocks the 3 Road papers
- 3 timed Road practice papers, each 50 marks: one case study (35 marks) and compulsory questions (15 marks), in the format of the official Road sample paper
- Write full answers with a reference box for each question; the timer runs for the exam's 1 h 45
- Every answer marked point by point against our own rubric: what earned marks (your own words quoted), what you missed and the regulation reference for it
- A model answer and references for every question
- Your total against both published pass lines (65 % and 32 out of 50), the areas where you scored below 70 % (with at least 4 marks at stake) and what to read next
- Up to 3 marked attempts per paper
The DGSA exams in 2026-27
- Papers to pass
- Core, All Classes, and one of Road, Rail or Inland Waterways. Re-qualify every 5 years.
- Format
- Written answers on paper. You may take printed copies of ADR (or RID or ADN), CDG2009, the emergency action code list and the approved derogations into the exam.
- Pass mark
- The syllabus says 65 %. The official sample papers say "You need to gain 32 marks to pass this paper" (32 of 50). We show your score against both.
- Next sittings
- 26 November 2026 (apply and pay by 5pm on 12 November 2026); 4 March 2027 (applications open 27 November 2026 and close at 5pm on 18 February 2027); 10 June 2027; 9 September 2027; 25 November 2027.
- Fee
- £135 per exam, so £405 for the three you need to qualify.
- Venues
- Birmingham, Bristol, Greater Manchester, Middlesbrough, Northampton, Surrey, Yorkshire, Aberdeen, Stirling and Belfast.
- Results
- By letter, with a certificate if you pass all three; it can take up to 8 weeks.
Source: GOV.UK: Book a dangerous goods safety adviser exam and the GOV.UK DGSA exam syllabus, read 28 October 2026.
Questions
How is my answer marked?
Each question has our own marking rubric, which splits its marks into points and includes references to ADR, CDG2009, the emergency action code list or the GB approved derogations. An AI model checks your answer against every point and must quote your own words for any mark it gives; the totals, the pass lines and your weakest areas are calculated from those points. The rubrics are our own, not the official marking scheme.
Why Road on its own?
Road had the lowest national pass rate of the three papers in four of the five sittings from March 2024 to March 2025 (51.5 % in March 2025), and 2,120 of the 2,149 certificate holders in February 2024 held Road (FOI). If you have already passed Core and All Classes, or are resitting Road, this covers Road only.
What about Core and All Classes?
They are in the full DGSA practice pack: 9 papers, 3 each of Core, All Classes and Road. The full pack also unlocks these Road papers, so you do not need both.
Which edition of ADR do the questions use?
ADR 2025, with CDG2009 as amended and the GB approved derogations. Check the edition stated for your sitting.
Can I try it first?
Yes. One Core-style question (not a Road question) is free and marked in full, with no sign-up, so you can see the marking before you pay.
Disclaimer
Is this the official exam? No. These are our own practice questions written from ADR 2025 and CDG2009 in the format of the official Road sample paper (each paper has one case study, whereas the real exam offers a choice of three). ProSyllabus is independent and not affiliated with Qualifications Scotland, the DVSA or the Department for Transport.
Independent: ProSyllabus is not affiliated with Qualifications Scotland, the DVSA or the Department for Transport. Questions are our own, written from ADR 2025 (UNECE) and CDG2009; no official paper is reproduced.