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|Locale||Hannover, Lower Saxony, Germany|
|Transit type||Commuter rail|
|Number of lines||10|
|Number of stations||74|
|Annual ridership||30 million|
|Operator(s)||DB Regio Nord|
|Number of vehicles||68 (40×424, 28×425)|
|System length||385 km (239 mi)|
|Track gauge||1,435 mm (4 ft 8+1⁄2 in) (standard gauge)|
|Electrification||Overhead lines, 15 kV AC|
The Hanover S-Bahn (in German: S-Bahn Hannover) is an S-Bahn network operated by S-Bahn Hannover GmbH in the area of Hannover in the German state capital of Lower Saxony. It went operational shortly before Expo 2000 and is focused on the Hanover region, and also connects with adjacent districts (Celle, Hameln-Pyrmont, Hildesheim, Nienburg and Schaumburg), and into the state of North Rhine-Westphalia (Minden, Paderborn). The S-Bahn is an evolution of a suburban railway.
The S-Bahn has ten lines in Hanover. It is distinguished from the Hannover Stadtbahn, which emerged from the Hannover tram network. In addition, there are other rail passenger services in the region composed of Regional-Express and Regionalbahn services. It is mainly operated with Class 424 electric multiple units.
In the 1960s there were plans to upgrade the rail network around Hanover. This led at first only to the establishment between 1965 and 1970 of regional commuter services on the east–west axis between Nienburg / Minden, Wunstorf, Hannover Hauptbahnhof (central station), Lehrte and Celle and on the Deister Railway. A further extension was omitted because of disagreement between federal, state and city region governments. In 1984, in preparation for the upgrading of the line between Wunstorf and Hannover, Seelze station was relocated and rebuilt with overtaking tracks. After Hanover won the right to build Expo 2000 in 1990, it was decided to bring forward the planned introduction of an S-Bahn network that was originally intended to be opened at a later date. On 12 November 1990 a development agreement was signed between the state of Lower Saxony, the Municipal Association of Greater Hannover and Deutsche Bundesbahn. In a relatively short time lines which for decades had remained virtually unchanged were upgraded considerably in and around Hanover.
Construction began with the new Hannover-Karl-Wiechert-Allee station on the Hannover–Braunschweig railway, which provides a connection to the Hannover Stadtbahn; the first pile for it was driven in 1993.
Two additional S-Bahn tracks were built on the western route from the Hauptbahnhof towards Wunstorf as far as Seelze from 1994, with services starting in 1997. In Leinhausen an extensive flying junction was built; this separates regional and long distance traffic running to and from the north and west. The S-Bahn runs over the old freight tracks in Hainholz and through the former main freight yard. This included the new Hannover-Nordstadt S-Bahn station, which replaced the existing suburban station of Hannover-Hainholz.
Two additional tracks were laid for the S-Bahn on the line north to Langenhagen. On this line, Hannover-Herrenhausen station was replaced by the new S-Bahn station at Hannover-Ledeburg. The route was also electrified as far as Bennemühlen and in addition was doubled as far as Bissendorf. Hannover-Langenhagen Airport was connected by a local service for the first time, via the former goods track. From 1995, this line was electrified and extended through a tunnel to the airport's Terminal C, which was then under construction.
In the east the line was extended as a single track as far as the previously established station at Karl-Wiechert-Allee and operations on it started in 1999. Two additional S-Bahn tracks were then added almost to Ahlten, continuing to Lehrte as a single track; being brought into service in June 2000. This extension was part of the German Unity transport projects (Verkehrsprojekte Deutsche Einheit).
To the south an additional track was built, starting in 1996, between Hannover-Bismarckstrasse and the northern end of Hannover-Wülfel station to serve the completely reorganised Hannover Messe/Laatzen station.
On the Deister Railway a 10 km (6.2 mi) long section of double track was built between Lemmie and Egestorf to the west of the Weetzen level crossing in order to avoid delays due to conflicting train movements.
Stations were rebuilt where necessary to make them fully accessible for the disabled. Most construction projects were completed in time for Expo 2000, so since then Hanover has had an extensive network. For time and cost reasons, the conversion of some stations was not started before the Expo. The implementation of these modifications is still partly unfinished.
After the end of the Expo there were changes so that normal operation started on the route network. The network was extended via the Deister Railway to Barsinghausen, Bad Nenndorf and Haste and also via Springe to Hamelin. It was later extended to Bad Pyrmont and to Paderborn in North Rhine-Westphalia. Exceptionally, the service on the section from Bad Pyrmont to Paderborn, which is the furthest from Hannover, is less frequent and resembles a Regionalbahn service. All other routes, nearer the city, benefit from a full S-Bahn service.
On 14 December 2008 the S-Bahn was extended to replace three former Regionalbahn and Regional-Express services to Hildesheim and Celle. As a result, Hannover Messe/Laatzen station was included in the regular S-Bahn network.
The Hannover S-Bahn serves 12 stations within Hanover and connects the state capital with suburbs and other towns in the area.
Trains run as a rule at hourly intervals. Lines S 4 and S 5 operate at half-hourly intervals on one leg each. Operation of at least two S-Bahn lines on the main routes in the core area of the network means that these routes have a half-hourly service. Line S 5 runs at 2 hour intervals on Sundays on the section in North Rhine-Westphalia (Bad Pyrmont–Paderborn).
40 Class 424 electric multiple units were acquired especially for the Hanover S-Bahn. These differ from the vehicles of class 423, as they have a lower floor height of 80 cm, fewer doors and include toilets. Although delivery began as early as 1998, the class 424 trains were not yet ready for the opening of the S-Bahn network at the start the Expo 2000 due to technical problems. Deutsche Bahn therefore had to temporarily borrow class 423 rolling stock from the Munich S-Bahn.
In addition there are six vehicles of class 425 (425 150–425 155), which were retrofitted with adjustable steps to allow access to lower platforms, without sacrificing barrier-free access to high platforms. On the S 5 to Paderborn these vehicles are coupled with the class 424 vehicles and run from Hameln uncoupled to Paderborn. In this section, there are lower platforms.
In 2008, 13 vehicles of class 425.2 were procured (425 271–425 283), for the new and upgraded lines to Hildesheim and Celle as it was decided not to produce a new batch of class 424 vehicles.
- "Transdev announces EMU order as Hannover S-Bahn operating contract confirmed". Railway Gazette International. 7 November 2018. Retrieved 8 November 2018.
- "Lines, Vihicles, authorities". sbahn-hannover2022.de (in German). Transdev Hannover GmbH. Retrieved 16 May 2021.
- Michael Bahls. Die Hannover-Altenbekener Eisenbahn (in German). Nordhorn 2006: Kenning. ISBN 3-927587-77-X.CS1 maint: location (link)
- Eisenbahnatlas Deutschland (German railway atlas) (2009/2010 ed.). Schweers + Wall. 2009. ISBN 978-3-89494-139-0.
- Alfred Gottwaldt (1992). Hannover und seine Eisenbahnen (in German). Düsseldorf: Alba. ISBN 3-87094-345-9.
Media related to Hanover S-Bahn at Wikimedia Commons
- "S-Bahn Hannover" (in German). Deutsche Bahn. Retrieved 4 August 2011.
- "GVH" (in German). Großraum-Verkehr Hannover. Retrieved 4 August 2011.
- "Regional and S-Bahn line map 2011" (PDF, 167 KB) (in German). Großraum-Verkehr Hannover. Retrieved 4 August 2011.
- "Welcome to the new S-Bahn Hannover from 2022". sbahn-hannover-2022.de (in German). Transdev Hannover GmbH. Retrieved 16 May 2021.