Translate the following English sentence to French:
"It is high time that the Member States forsook their national stances in favour of a European stance because it is national stances that have prevented the rail system from being vital and from retaining its passengers and freight."
Il est grand temps que les États membres renoncent à leur attitude de particularisme national, car c' est ce comportement qui a empêché le rail de prendre de l'importance et de conserver sa clientèle pour le transport de fret et de passagers.