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A lorry tows a non-agricultural semi-trailer that is 7 metres long. Must that semi-trailer be equipped with side position lights?

Correct answer

Yes, because its length exceeds 6 metres.

Yes, because the semi-trailer is longer than 6 metres. Article 16.5 of the General Vehicle Regulations requires side position lights on non-agricultural trailers and semi-trailers exceeding that threshold. This does not mean they are mandatory on every semi-trailer regardless of length.

Legal basis: art. 16.5 RGV

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All options

  • Yes, they are mandatory on every semi-trailer, regardless of its length.

  • Yes, because its length exceeds 6 metres.

  • No, they are optional for a 7-metre semi-trailer.

The real exam in English is a translation of the Spanish original; compare both here.

Show the Spanish original

Un camión arrastra un semirremolque no agrícola de 7 metros de longitud. ¿Es obligatorio que ese semirremolque esté equipado con luces de posición laterales?

  1. Sí, son obligatorias en todo semirremolque, cualquiera que sea su longitud.
  2. Sí, porque su longitud supera los 6 metros.(Correct answer)
  3. No, para un semirremolque de 7 metros son opcionales.

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