Great Britain Theory Test Coach
Other vehiclesQuestion 323 of 424

What must certain tank vehicles that carry dangerous goods show?

  1. Green safety flags
  2. Blue school plates
  3. Hazard information panels
  4. Reflective L plates
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Correct answer: Hazard information panels

Hazard information panels show which dangerous goods the vehicle carries.

Source: The Highway Code (Department for Transport, GOV.UK), Vehicle markings, Hazard warning plates

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Questions last reviewed: 18 October 2026