Thales to maintain signalling and traffic management system on ADIF HSR lines, Spain January 13, 2023 | Company News, Europe Company News, Europe News, News Thales has secured a contract from Administrador de Infraestructuras Ferroviarias (ADIF) to provide maintenance services for the signalling system and the traffic management system installed on the ra... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password