U5 (Berlin U-Bahn) · Relations URL: https://knowledge.ivjn.us/en/concepts/ubahn-berlin-u5/relation.html The U5 is a roughly 22 km long line of the Berlin U-Bahn with 26 stations, opened on 21 December 1930, connecting Berlin Hauptbahnhof via Alexanderplatz and the eastern residential areas to Hönow on the eastern city outskirts. Page 1 / 0, 0 total