Alstom and CAF consortium to supply rolling stock for Paris RER Line B, France April 14, 2021 | Europe News The Alstom and Construcciones y Auxiliar de Ferrocarriles (CAF) consortium has been confirmed, by SNCF Voyageurs and Régie Autonome des Transport Parisiens (RATP), as the supplier of the EUR2.5... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password