Dans un tunnel, un incident grave impliquant des marchandises dangereuses peut avoir un coût considérable en termes de pertes de vies humaines, dommages environnementaux, dégradation du tunnel et perturbation du trafic. D'autre part, bannir inutilement les marchandises dangereuses des tunnels...

It is widely recognised that the enlargement of the European Union to ten new member states in May 2004 represents great institutional and political challenges both for the u0091oldu0092 and u0091newu0092 member states. The EU has tried already three times to prepare its decision-making...