Rail JU logo in white
European Union flag

A body of the
European Union

ERA Ontology

Have you ever wondered how railway systems communicate with each other? Or how a planning system interprets infrastructure data, and how engineering data becomes usable for operations? The answer lies in a shared understanding. 

In Europe, this common understanding is provided by the ERA Ontology. EU-Rail has clarified its principles and promoted its use, also developing—through its System Pillar—an extension of the ontology in the Control, Command and Signalling domain.  

Europe's Rail