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Topic: Speed and distances · Nº 694 / 961

Question picture

Circulando por un túnel, si no pretende adelantar al vehículo que le precede, ¿qué distancia de seguridad debe mantener?

When driving through a tunnel, if you do not intend to overtake the vehicle in front, what safe distance must you keep?

  • A100 metros como mínimo.At least 100 metres.
  • B150 metros como mínimo.At least 150 metres.
  • CLa distancia que me permita frenar sin colisionar con el vehículo que me precede.The distance that allows me to brake without hitting the vehicle in front.
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Correct answer

  • A100 metros como mínimo.At least 100 metres.
Explanation

The safe distance is the space that allows you to stop without hitting the vehicle in front if it brakes suddenly, taking into account speed, grip and braking conditions. Also, if we do not intend to overtake, we must leave room for the vehicle behind to overtake us. In tunnels and underpasses we must keep a safe distance of at least 100 metres or 4 seconds from the vehicle in front. Vehicles with a maximum authorised mass (MAM) over 3,500 kg: 150 metres or 6 seconds.

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