 After standing apparently unused for more than 30 years, in 1913 the Dresdner Bahnhof was incorporated into a much larger facility - the Postbahnhof, dedicated to the handling of mail.By then there were even more rails in the immediate vicinity following the arrival of the U-Bahn.Its original route, opened in stages during 1902, comprised a through section from Warschauer Brücke to Knie, with a triangular junction between Möckernbrücke and Bülowstraße giving access to Potsdamer Platz.