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Question 5231

In a tunnel, if you are driving without intending to pass, you must maintain a distance from the vehicle ahead...

  1. that allows the driver behind to pass safely.
  2. of at least 100 meters.
  3. sufficient to avoid colliding with it in case of sudden braking.
Show answer and explanation

Correct answer: of at least 100 meters.

In a tunnel, if you do not intend to pass, the rule requires you to stay at least 100 meters or 4 seconds behind the vehicle ahead. Even if you could brake in time with less space, you must not go below that minimum. With a maximum authorized mass over 3,500 kg, the minimum increases to 150 meters.

Real Decreto 1428/2003, de 21 de noviembre, por el que se aprueba el Reglamento General de Circulación