DGSA UPDATES & TECHNICAL ARCHIVE

Keep your knowledge moving.

Current training information and a separate collection of technical references from DGSA and the ADR network.

DGSA updates

Technical resources

Dangerous goods references with official sources and an update date. Check the edition and the rules applicable to your operation.

Classification and hazard communication · UPDATED 28 SEPTEMBER 2026

GHS Revision 11: key updates and scope

GHS Revision 11 is the United Nations’ 2025 revision of the Globally Harmonized System of Classification and Labelling of Chemicals. Its publication is a reference point, not a universal legal application date.

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Road transport and route planning · UPDATED 28 SEPTEMBER 2026

Germany: checking ADR tunnel restrictions

For a dangerous goods route through Germany, check the tunnel restrictions against the actual load and journey. An old national table is not sufficient evidence that a route is open to your vehicle today.

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Road transport and route planning · UPDATED 28 SEPTEMBER 2026

ADR tunnel categories in Great Britain

The UK Department for Transport publishes ADR tunnel categories for Great Britain. Match the relevant tunnel information to your load and planned crossing time before confirming a dangerous goods route.

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Historical incident · 14 July 2025 · UPDATED 28 SEPTEMBER 2026

Germany: tanker fire on the A81 on 14 July 2025

On 14 July 2025, a tanker carrying toluene caught fire following a crash on the A81 near Sulz am Neckar, Germany. This historical account has been reviewed against reports from the responding services; it is not a current traffic alert.

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Industrial safety · Seveso III · UPDATED 28 SEPTEMBER 2026

RD 840/2015: Seveso III and major-accident hazards in Spain

A dangerous goods delivery and a Seveso establishment assessment concern different parts of an operation. For international businesses with a Spanish site or logistics partner, the first step is to identify the establishment, its inventory and the activities being performed.

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ADR · Spanish road transport · UPDATED 28 SEPTEMBER 2026

RD 97/2014: dangerous goods road transport in Spain

For a dangerous goods operation involving Spain, review ADR together with the Spanish rules that apply to the journey and the parties involved. RD 97/2014 covers more than driving: loading, unloading and the allocation of responsibilities also need attention.

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ADR/RID 2025 · Classification · UPDATED 28 SEPTEMBER 2026

The 11 new UN numbers introduced by ADR/RID 2025

ADR/RID 2025 introduced UN 0514 and UN 3551–3560. They cover both substances and articles, including batteries, vehicles and fire suppressant devices. A new UN number is a starting point for classification, not a complete set of transport instructions.

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THE ADR NETWORK

Specialist resources for your work

Training, practice examinations, photographs and transport references, organised by subject.

Explore the ADR network