Indra and Siemens to manage Adif traffic, Spain November 13, 2018 | Europe News A joint venture (JV) of Indra and Siemens Mobility has secured a contract from Administrador de Infraestructuras Ferroviaria (Adif) to provide a traffic control and management system for the Span... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password