In this report, Neovendi was able to transparently and comprehensively present a definition for the standardisation of an EULYNX MBSE methodology (model-based system engineering approach) for the specification of railway systems. This modern methodology, which has been implemented by Neovendi for many years, can provide significant added value for all European railway infrastructure managers. A national and, above all, international standard would be an important milestone in the modernisation of European railway infrastructure.