International audienceAt the present time, Spain is, politically, a disillusioned country, and, economically, a reco-vering but still weak entity. One of the main links between the institutional and urban aspects of this multifaceted crisis remains the completion of major projects inherited from the prosperous times and now stopped. Using the example of a major railway station, Barcelona La Sagrera, this article explores the territorial scope of network infrastructure and underlines the heterogeneous visions concerning the role of the station in the Euro-mediterranean networks at different scales. The article shows that a common definition of the station’s territoriality is crucial, but still impossible for two ...