Topic: Traffic signs, markings and signals · Nº 393 / 1397
Esta señal indica que dentro de un túnel en autopista o autovía:
This sign indicates that inside a tunnel on a motorway (autopista) or dual carriageway (autovía):
- ASe recomienda mantener una distancia prudencial, sin referencia concreta.It is advisable to keep a reasonable distance, with no specific reference.
- BEs obligatorio mantener entre vehículos el número de marcas viales de galón que la señal indique.You must keep between vehicles the number of chevron road markings shown on the sign.
- CDistancia mínima que afecta a turismos y camiones pero no al resto de vehículos.There is a minimum distance that applies to cars and lorries but not to other vehicles.
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Correct answer
- BEs obligatorio mantener entre vehículos el número de marcas viales de galón que la señal indique.You must keep between vehicles the number of chevron road markings shown on the sign.
The sign informs drivers that, inside a tunnel on a motorway or dual carriageway, they must keep a compulsory minimum distance from the vehicle in front. To make this easier, the carriageway is marked with chevron symbols that serve as a reference. This measure aims to prevent collisions in enclosed spaces, where an accident can have serious consequences because of the lack of visibility and the difficulty of evacuation.
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