Dangerous Goods (D) articles

Emergency scenarios test first actions — isolate, notify, use ER guide — not heroics without information.

Unit 16718 — demonstrate knowledge of DG transport law — is the standard behind approved D endorsement courses.

D endorsement renews with driver licence cycle — refresher training may be required.

Placarding rules depend on quantity and class — scenarios test whether vehicle display matches load.

Fails cluster on placarding and segregation — memorise class incompatibilities, not only class names.

Know all nine UN classes — placards, segregation, and documentation all reference class numbers.

Effective practice tests UN classes, placards, segregation, and emergency steps — core D endorsement content.