T-Centralen is a metro station that forms the heart of the Stockholm metro system, in the sense that it is the only station where all three of the system's lines meet. That, its central location, and its connections with other modes of transport make it the most used metro station in Stockholm. When opened on 24 November 1957 the name of the station was "Centralen", but it was renamed on 27 January 1958, as the metro station often was mistaken for the central railway station to which it is connected. T-Centralen has two separate sets of platforms, connected by a long moving walkway on a mezzanine level. This station in partiqular belongs to lines T10 and T11 (Blue). The station is located 26–32 meters below ground, and has one platform.