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All B licence questions · DGT question bank

Are horizontal retroreflective road studs guidance devices?

Correct answer

Yes, they provide optical guidance along the road.

Yes. They are fixed to the pavement and provide optical guidance along the road alignment, especially at night or in low light, under the Annex I catalogue. Classification as guidance devices does not itself prohibit crossing the line joining them: such prohibitions arise from particular delimiting devices or applicable signs and markings. Observe the stretch’s traffic signs.

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All options

  • No, they are barriers that always prohibit crossing their connecting line.

  • Yes, they provide optical guidance along the road.

  • No, they are not delineation equipment.

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

Show the Spanish original

¿Son los captafaros horizontales retrorreflectantes dispositivos de guía?

  1. Sí, ayudan al guiado óptico del trazado.(Correct answer)
  2. No, no forman parte del balizamiento.
  3. No, son barreras que siempre impiden cruzar la línea que los une.

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