(en) 18C044-0C White paper Reference CCS Archtecture based on ERTMS (pdf). ERTMS User Group (12 juli 2018). Gearchiveerd op 30 maart 2023. “The members of the ERTMS Users Group (EUG), large railway organisations with substantial investments in ERTMS (more than € 250 million each), recognise that(...), even though ERTMS can now be implemented on their network, they will not be able to reap the full benefits of lower costs and improved capacity if they keep the design, operation and management of their networks based on and in combination with the legacy Command and Control Systems (CCS).”
(en) 18C044-0C White paper Reference CCS Archtecture based on ERTMS (pdf). ERTMS User Group (12 juli 2018). Gearchiveerd op 30 maart 2023. “The members of the ERTMS Users Group (EUG), large railway organisations with substantial investments in ERTMS (more than € 250 million each), recognise that(...), even though ERTMS can now be implemented on their network, they will not be able to reap the full benefits of lower costs and improved capacity if they keep the design, operation and management of their networks based on and in combination with the legacy Command and Control Systems (CCS).”