Practice question

What are the standard dimensions of an ADR orange-coloured plate?

  1. 40 cm base and 30 cm high, reflectorized, with a 15 mm black border
  2. A4 paper size, painted matte grey
  3. 1 metre square, fluorescent yellow
  4. 15 cm circular, like a speed-limit sign

Answer: A — 40 cm base and 30 cm high, reflectorized, with a 15 mm black border

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