Trunk line 2 (Munich S-Bahn)

Trunk Line 2 (German: München zweiten Stammstrecke) is an under-construction double track commuter rail tunnel in the Bavarian capital of Munich, Germany.

Trunk line 2
Overview
LocaleMunich, Bavaria, Germany
Websitewww.2.stammstrecke-muenchen.de
Operation
Planned opening2026 (2026)
OwnerDB Netz
Technical
Electrification15 kV/16.7 Hz AC overhead catenary

Background

Nearly all lines of the Munich S-Bahn use the core route through the city centre in the underground, creating a bottle-neck responsible for long and increasingly frequent delays from even the smallest disruptions. The disadvantage of current core route is the inability of trains to reroute themselves onto different tracks in an event of disruption.

After years of discussions and studies into different route propositions, a second tunnel through the city centre has been already approved with the funding of €3.85 billion and the completion date of 2026.[1] On 5 April 2017, the ground-breaking ceremony took place to commence the construction.[2]

The second tunnel will be 11.9 kilometres (7 miles) in length and run in parallel with the current tunnel in the south on the western portion of Hauptbahnhof and in the north on the eastern portion. It will have three underground stations (Hauptbahnhof, Marienhof, Ostbahnhof) and two surface stations (Laim and Leuchtenbergring). Only Marienhof station is the all-new station in the north of Marienplatz U-Bahn and S-Bahn station while other stations will be expanded to accommodate the new tunnel. With focus on express service and shorter travel time, the second tunnel will bypass six current stations between Laim and Ostbahnhof.

Most of express S-Bahn with limited stops will use the second tunnel: the proposed express S-Bahn routes are S18X (Herrsching-Leuchtenbergring), S21X (Landshut-Leuchtenbergring), S23X (Mering-Flughafen München), and S24X (Buchloe-Leuchtenbergring). Two of current S-Bahn routes will be transferred to the second tunnel upon the completion: S1 (Flughafen München/Freising-Ebersberg) and S6 (Tutzing-Leuchtenbergring).[3]

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References
  1. "Baustart für 2. S-Bahn Stammstrecke: Alle Infos auf einen Blick".
  2. "Startschuss für Zweite Stammstrecke".
  3. "MVV Netzplan mit Zwei Stammstrecken".

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