Practice question

A heavy vehicle displaying an NHVAS accreditation label with an 'A' prefix (for example A123456) on the driver's side indicates which of the following?

  1. An agricultural vehicle exempt from road tax
  2. An articulated prime mover
  3. The powered unit is NHVAS-accredited (commonly under the Mass Management Module), a prerequisite for operating at Higher Mass Limits (HML)
  4. A vehicle restricted to automatic transmission only

Answer: C — The powered unit is NHVAS-accredited (commonly under the Mass Management Module), a prerequisite for operating at Higher Mass Limits (HML)

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