International audienceThe Mediterranean railway corridor is a project of a macro-regional trans-European axis of transport. In its Spanish part, it goes through Mediterranean regions which have historical, demographical, economic and even political common structures. But they are also marked by important gaps and a double lack of economic and political stakeholders' cohesion in a competitive context and of railway infrastructure. In this context, the MRC appears as a common goal and a catalyst: it creates new forms of cooperation between the actors and promotes a new image of the Mediterranean corridor as a possible coherent territory, shared by all the coastal regions. The transport corridor project, even if it is not yet realised as an in...