S7 (Berlin)

S7 is a line on the Berlin S-Bahn.[1] It operates from Ahrensfelde to Potsdam over:

• the Wriezen Railway, completed on 1 May 1898 and electrified to Marzahn in 1976, to Mehrower Allee in 1980 and to Ahrensfelde in 1982,
• a section of the Outer ring, completed in the early 1940s as part of the Outer freight ring and electrified in 1976,
• a section of the Prussian Eastern line, opened on 1 October 1866 and electrified on 6 November 1928,
• the Stadtbahn, opened on 7 February 1882 and electrified on 11 June 1928,
• a section of the Berlin-Blankenheim line, opened west of Grunewald in 1879 and further east in 1882 and electrified in 1928 and
• a section of the Berlin-Potsdam-Magdeburg line, opened in 1838 and electrified in 1928.

Overview
Locale	Berlin
Service
System	Berlin S-Bahn
Operator(s)	S-Bahn Berlin GmbH
Rolling stock	DBAG Class 481
Technical
Electrification	750 V DC Third rail
Route map Ahrensfelde Mehrower Allee Raoul-Wallenberg-Straße Marzahn Poelchaustraße Springpfuhl Friedrichsfelde Ost Lichtenberg Nöldnerplatz Ostkreuz Warschauer Straße Ostbahnhof Jannowitzbrücke Alexanderplatz Hackescher Markt Spree Kupfergraben Friedrichstraße Spree Berlin-Spandauer Schifffahrtskanal Hauptbahnhof Spree Bellevue Tiergarten Landwehrkanal Landwehrkanal Zoologischer Garten Savignyplatz Charlottenburg Westkreuz Grunewald Nikolassee Wannsee Brandenburg–Berlin state border Griebnitzsee Babelsberg Potsdam Hbf (valid as of 4 December 2020)