As of Monday it seems likely the S-Bahn will also be on strike, effectively shutting down Berlin's public transit system in entirety. However, there are emergency bus routes planned to replace the S-Bahn in a limited way:
S1 S Wannsee S Oranienburg every 60 minutes
S2 S Blankenfelde S Bernau every 60 minutes
S25 S Teltow Stadt S Hennigsdorf every 60 minutes
S3 S Erkner S Ostbahnhof every 60 minutes
S41 Ring clockwise every 30 minutes
S42 Ring counterclockwise every 30 minutes
S45 cancelled
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S46 S Königs Wusterhausen S Südkreuz every 60 minutes
S47 S Spindlersfeld S Südkreuz every 60 minutes
S5 S Strausberg Nord S Charlottenburg every 60 minutes
S7 S Ahrensfelde S Potsdam Hauptbahnhof every 60 minutes
S75 S Wartenberg S Spandau every 60 minutes
S8 S Grünau S Hohen Neuendorf every 60 minutes
S85 cancelled
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S9 S Flughafen Berlin-Schönefeld S Westkreuz every 60 minutes
This is in addition to the emergency bus routes aleady in operation by the BVG to replace major U-Bahn, tram and bus routes:
U-BAHN
U 2: between Pankow Alexanderplatz via S+U Schönhauser Allee every 30 minutes
U 5: between Hönow Wuhletal every 30 minutes
U 6: between Alt-Tegel Wedding via S Tegel and between Tempelhof Alt-Mariendorf every 30 minutes
U 7: between Rathaus Spandau Jungfernheide and between Yorckstraße Rudow via S+U Neukölln every 30 minutes
U 9: between Osloer Straße Rathaus Steglitz via SU Westhafen, S+U Zoologischer Garten and SU Bundesplatz every 30 minutes
TRAM
M 1: between S+U Pankow Nordend every 30 minutes
M 4: between S+U Alexanderplatz Falkenberg via S Greifswalder Straße and S Hohenschönhausen every 30 minutes
M 6: between S Landsberger Allee Hellersdorf, Riesaer Straße every 30 minutes
M17: between S Schöneweide S Friedrichsfelde Ost via S Karlshorst from 5 to 6am and 9 to 11pm every 60 minutes and from 6am to 9pm every 30 minutes
50: between Französisch Buchholz, Guyotstraße S+U Pankow via S Pankow Heinersdorf from 5 to 6am and 9 to 11pm every 60 minutes and from 6am to 9pm every 30 minutes
62: between Wendenschloß S Mahlsdorf via S Köpenick from 5 to 6am and 9 to 11pm every 60 minutes and from 6am to 9pm every 30 minutes
BUS
M11: between U Oskar-Helene-Heim S Schöneweide via S Lichterfelde West, S Lichterfelde Ost, S Buckower Chaussee and underground U Johannisthaler Chaussee every 30 minutes
M21: between Rosenthal, Uhlandstraße S+U Wittenau every 30 minutes
M29: between S+U Zoologischer Garten U Hermannplatz via S Anhalter Bahnhof every 30 minutes
M37: between Staaken, Hahneberg Spandau, Waldkrankenhaus via S Spandau every 30 minutes
M44: between Buckow-Süd, Stuthirtenweg S+U Hermannstraße every 30 minutes
M45: between U Ruhleben S+U Zoologischer Garten via S Westend every 30 minutes
M76: between U Alt-Mariendorf S Lichtenrade every 30 minutes
TXL: between Flughafen Tegel S+U Hauptbahnhof via S Beusselstraße every 20 minutes
X69: between Marzahn-West, Köthener Straße Alt-Müggelheim via S Köpenick and S Biesdorf (a short way by foot) every 30 minutes
X83: between Königin-Luise-Straße/Clayallee Lankwitz Kirche via S+U Rathaus Steglitz every 30 minutes
115: between U Oskar-Helene-Heim U Fehrbelliner Platz from 5 to 6am and 9 to 11pm every 60 minutes and from 6am to 9pm every 30 minutes
318: between S Wannsee Wannsee, Wilhelmplatz from 5 to 6am and 9 to 11pm every 60 minutes and from 6am to 9pm every 30 minutes
222: between U Alt-Tegel Alt-Lübars via S Waidmannslust and S Tegel from 5 to 6am and 9 to 11pm every 60 minutes and from 6am to 9pm every 30 minutes
124 /324: between S Heiligensee Konradshöhe, Falkenplatz from 5 to 6am and 9 to 11pm every 60 minutes and from 6am to 9pm every 30 minutes
134: between Kaserne Hottengrund S+U Rathaus Spandau via Alt Kladow (ferry F10 to S Wannsee) from 5 to 6am and 9 to 11pm every 60 minutes and from 6am to 9pm every 30 minutes
136: between S+U Rathaus Spandau Hakenfelde, Werderstraße from 5 to 6am and 9 to 11pm every 60 minutes and from 6am to 9pm every 30 minutes
255: between S+U Pankow Weißensee, Schwarzelfenweg from 5 to 6am and 9 to 11pm every 60 minutes and from 6am to 9pm every 30 minutes
256: between S Hohenschönhausen S+U Lichtenberg/Siegfriedstraße from 5 to 6am and 9 to 11pm every 60 minutes and from 6am to 9pm every 30 minutes
285: between S+U Rathaus Steglitz Dahlem, Am Waldfriedhof from 5 to 6am and 9 to 11pm every 60 minutes and from 6am to 9pm every 30 minutes
