ADR & Dangerous Goods

The ADR and dangerous goods side of the research library in one place: our reference data and tools, and the source lists that say which official text, database or tool answers which question. Every page keeps its own address.

Reference data and tools

ADR 2027 Table A comparisonEvery Table A change from ADR 2025 to 2027, by UN number, with CSV, JSON and XLSX.UN number databaseSubstances by UN number with class, packing group and tunnel code.1000 point rule calculatorThe 1.1.3.6 exemption worked through, category by category.ADR classesThe nine classes and their divisions, in plain words.Hazard identification numbersWhat the upper number on the orange plate says.Labels and placardsDanger labels, placards and marks, and where each goes.Limited and excepted quantitiesWhen small quantities change what applies.ADR glossaryThe terms ADR uses, with the paragraph that defines each.

Source lists

ADR 2027 amendments: 6 sources comparedFrom the UN legal text to a searchable Table A comparison, with what each leaves out.ADR 1000 point calculators: 7 run on the same loadsWhich free calculators give the right answer, and where two go wrong.Free ADR resources: 11 comparedWhich free database or reference answers which dangerous goods question.Free ADR tools by taskSix free tools for UN lookup, points, LQ/EQ checks and offline use, with edition and access.Official ADR sources and where to find themSeven routes to the agreement, the annexes, EU and national law and BAM data, each with its job.Free DGSA study resourcesSyllabus, sample papers, dates and the texts you answer from, UK and Ireland.Dangerous goods software comparedSix products and sources compared module by module for ADR, air and sea scope, with a procurement worksheet.Chemical safety databases comparedSix free sources by identifier, provenance and whether the data may be reused.

Related transport safety and other modes

Cargo securing sits beside ADR rather than inside it, and air and sea run under their own codes.

Cargo securing guidance: 7 free resourcesRelated transport safety. Which free document covers road loads, CTUs or Great Britain, and its status.Air and sea dangerous goods sourcesAir and sea, by mode. Seven sources for sea and air dangerous goods, with issuer, edition and what is free.