S21 (Berlin)

DBAG Class 423 of the Munich S-Bahn in Gesundbrunnen station

S21 is a term of the Berlin S-Bahn with several usages:

History

former
Legend
 Henningsdorf only in 2009
 Gesundbrunnen
 Berlin Hauptbahnhof
 Potsdamer Platz
 Südkreuz

The two former services were always operated with 15 kV, 16.7 Hz AC overhead lines while all other S-Bahn lines in Berlin were and are operated with 800 V DC third rail. It was operated by Deutsche Bahn.

First operation in 2006

S21 service was introduced with the opening of the Berlin North-South mainline and the new Berlin Hauptbahnhof central station. DBAG Class 423 trains were used, these trains were lent from the Munich, Stuttgart and Frankfurt S-Bahns. The first S21 service was discontinued on July 11, 2006.

Second operation in 2009

In 2009 the S-Bahn service had to be strongly shortened due to lack of rolling stock. As a replacement and addition for the Nord-Süd-Tunnel-S-Bahn (S1, S2, S25 lines) the S21 ran again. Some S21 trains were extended to Hennigsdorf as a replacement for S25. This time trains of the Munich, Stuttgart and Rhine-Ruhr S-Bahns were used.

Future

planned
S21 route
Track gauge:1435
Voltage:800 V Third rail DC
Legend
Northern circular
Westhafen
Wedding
Berlin-Spandau Ship Canal
Perleberger Brücke
Hauptbahnhof
Spree
 Reichstag(No longer planned)
 Nord-Süd-Tunnel from Brandenburger Tor
 Potsdamer Platz
Nord-Süd-Tunnel to Anhalter Bahnhof
Landwehr Canal
 Gleisdreieck
from Anhalter Bahnhof
Yorckstraße
Anhalter Vorortbahn to Südkreuz
Julius-Leber-Brücke
 Wannseebahn to Schöneberg
 Southern circular
 Südkreuz
 Southern circular
→ First section
→ Second section
→ Third section

The second north-south route (third rail) is planned since the 1930s. This route has the working title S21, but the route will not be exclusively served by the S21 line. A first part will be opened in 2017, connecting Berlin's central station with the northern part of the circle line. A S21 shuttle train will operate between Hauptbahnhof and Gesundbrunnen.

With the opening of the second section Hauptbahnhof – Potsdamer Platz around 2023, three S-Bahn lines are going to serve the new route:

Line Route
Oranienburg – Wittenau – Bornholmer Straße – Gesundbrunnen – Hauptbahnhof – Potsdamer Platz – Yorckstraße (Großgörschenstraße) – Schöneberg – Steglitz – Zehlendorf – Wannsee
Jungfernheide – Hauptbahnhof – Potsdamer Platz
Flughafen Berlin Brandenburg – Schöneweide – Ostkreuz – Gesundbrunnen – Hauptbahnhof – Potsdamer Platz – Yorckstraße (Großgörschenstraße) – Schöneberg – Steglitz – Zehlendorf

References

    External links

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