If you drive on a highway, outside the town, a set of vehicles with a total length of 12 meters, what minimum separation should you keep with the vehicle that precedes you, and which you do not intend to overtake ?
50 meters .
The one that allows me to stop my vehicle, in case of sudden braking of the one in front, without colliding with it .
The one that also allows the driver of the vehicle to safely overtake me .