Mr Jarzembowski has already pointed out how difficult it is to weigh in the balance maximum safety on the one hand and costs – which have to be affordable – on the other. If one were to look at this solely from the point of view of the safety of human beings, one would have to demand immediate rebuilding, with bi-directional tunnels and so on.
M. Jarzembowski a déjà souligné à quel point il était difficile de concilier la sécurité maximale, d’une part, et les coûts - qui doivent être abordables -, de l’autre.