In a tunnel, what safety distance must be kept from the vehicle in front?
A)At least 100 metres, when there is no intention to overtake.Correct
B)Only the distance sufficient to avoid colliding in the event of sudden braking.
C)200 metres.
In a tunnel, when we do not intend to overtake, we must at all times maintain a safety distance from the vehicle in front of us of at least 100 metres or a minimum interval of four seconds. In the case of vehicles whose maximum authorised mass exceeds 3,500 kg, the safety distance they must keep from the vehicle in front shall be at least 150 metres or a minimum safety interval of six seconds.