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        Total 
        length: 18.2 
        km (underground) - 24 stations 
       Large-profile 
        line with ~100 m long platforms (6-car trains of F and H stock). 
      Line 
        U8 operates every 5 minutes during daytime service, although between 09:00 
        and 12:00, every other train terminates at Osloer Straße. 
      Line 
        U8 is completely underground and comprises the Gesundbrunnen-Neukölln 
        U-Bahn line (Line D) opened in the 1920s. 
        During the times of the city's division, U8 trains ran through East Berlin 
        skipping all stations from Bernauer Straße to Heinrich-Heine-Straße. 
        All 'ghost stations' were re-opened in the months following the fall of 
        the Wall in Nov. 1989. The construction of a northern extension began 
        in the 1970s and eventually reached Wittenau in 1994, although the initially 
        2-3 station extension to Märkisches Viertel was later shelved due 
        to other priorities after the unification of the city. In the south, a 
        1-station extension was finished to provide interchange with the S-Bahn 
        ring line which had re-opened in 1993. 
      17-07-1927: 
        Schönleinstraße - Boddinstraße 
        12-02-1928: Schönleinstraße - Kottbusser Tor 
        06-04-1928: Kottbusser Tor - Neanderstraße (now Heinrich-Heine-Straße) 
        04-08-1929: Boddinstraße - Leinestraße 
        18-04-1930: Neanderstraße - Gesundbrunnen 
        05-10-1977: Gesundbrunnen - Osloer Straße 
        27-04-1987: Osloer Straße - Paracelsus-Bad 
        24-09-1994: Paracelsus-Bad - Wittenau 
        13-07-1996: Leinestraße - Hermannstraße 
        
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