IDFM and SNCF Reseaux begin dynamic testing on Paris Tram Line T13, France February 3, 2022 | Europe News Ile-de-France Mobilites (IDFM) and Société Nationale des Chemins de Fer Français Réseaux (SNCF Reseaux) have begun dynamic testing on the Paris Tram Line T13, which spans 1... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password