Abstract. This paper presents the first results of current product line engineering efforts at Alstom Transport. It describes the background that has led us to these efforts as well as the approach that we have adopted on Model-Based Systems Engineering (MBSE) and Product Line Engineering (PLE). We present a real-life application of MBSE and PLE that "goes beyond" SysML along with a quick overview of the first results stemming from this application to Rolling Stock systems.

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