Topic: Driving safely in difficult conditions · Nº 200 / 247

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En un puerto de montaña con la calzada cubierta de nieve, ¿cuándo es obligatorio el uso de cadenas o neumáticos especiales de invierno?

On a mountain pass with the carriageway covered in snow, when is it compulsory to use chains or special winter tyres?

  • ACuando el panel de la señal de transitabilidad en puerto de montaña sea de color amarillo.When the panel of the mountain pass passability sign is yellow.
  • BCuando el panel de la señal de transitabilidad en puerto de montaña sea de color rojo.When the panel of the mountain pass passability sign is red.
  • CCuando el panel de la señal de transitabilidad en puerto de montaña sea de color negro.When the panel of the mountain pass passability sign is black.
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Correct answer

  • BCuando el panel de la señal de transitabilidad en puerto de montaña sea de color rojo.When the panel of the mountain pass passability sign is red.
Explanation

On the mountain pass passability sign, a red panel means that chains or special winter tyres are compulsory and the maximum speed is 30 km/h. Yellow limits speed, and black means the pass is closed.

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