Sihltal railway line

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The Sihltal railway line (German: Sihltalbahn) is a railway line in the Swiss canton of Zürich, which connects the city of Zürich with the communities of the Sihl Valley. Passenger service on the line now forms part of the Zürich S-Bahn, branded as that network's service S4, and is part of the Zürcher Verkehrsverbund (ZVV) zone-based fare network.[2][3]

Sihltal railway line
Two-story building on side platform
Sihlwald is the passenger terminus
Overview
Native nameSihltalbahn
OwnerSZU
Line number712
LocaleZürich, Switzerland
Termini
Stations13
Service
Operator(s)SZU
History
Opened3 August 1892 (1892-08-03)
Electrification[1]3 June 1924 (1924-06-03)
Technical
Line length18.6[2] km (11.6 mi)
Number of tracksMixture of single and double track
Track gauge1,435 mm (4 ft 8+12 in) standard gauge
Electrification15 kV  16.7 Hz AC supplied by overhead line
Route diagram

km
-1.2
Zürich HB SZU
396 m
Sihl Tunnel
1296 m
-0.2
Zürich Selnau
398 m
0.0
Zurich Selnau
former terminus
414 m
Sihl bridge, Giesshübel (96 m)
link line to Zurich Wiedikon
1.1
Zürich Giesshübel
418 m
Giesshübelstrasse bridge
62 m
1.8
Zürich Saalsporthalle-Sihlcity
422 m
Sihl bridge, Brunau
60 m
2.7
Zürich Brunau
423 m
4.1
Zürich Manegg
430 m
Sihl bridge, Leimbach
60 m
4.7
Zürich Leimbach
435 m
6.4
Sood-Oberleimbach
443 m
7.3
Adliswil
452 m
8.3
Sihlau
456 m
8.9
Gontenbach
9.5
Wildpark-Höfli
452 m
10.7
Langnau-Gattikon
468 m
Sihl bridge, Langnau
67 m
Tunnel Gattikon
340 m
Sihl bridge, Sihlwald
64 m
13.2
Sihlwald
488 m
No passenger service since 2006
17.3
Sihlbrugg
514 m

The line was opened in 1892 and electrified in 1924. Today it is owned by the Sihltal Zürich Uetliberg Bahn SZU AG, a company that also owns the Uetliberg line, and organizes the Zimmerberg Bus, and operates the Luftseilbahn Adliswil-Felsenegg (LAF).[4]

HistoryEdit

The Sihltal line was built by the Sihltalbahn company (SiTB), which opened a line from Zürich Selnau to Sihlwald 3 August 1892. Selnau was already the terminus of the Uetliberg line, and the two lines ran in parallel as far as Giesshübel station. That December, a freight branch was constructed linking Giesshübel station with Wiedikon station on the Lake Zürich left bank line of the Swiss Northeastern Railway (NOB).[4][5]

On 1 June 1897 the Sihltal line was extended to Sihlbrugg and a connection with the Thalwil–Arth-Goldau railway of the NOB.[6] In 1924 the line was electrified using alternating current. In 1932 the management of the Sihltal line took over the management of the Uetliberg line, but the two companies remained in existence until 1973, when they were merged to form the SZU.[4][7]

In 1990, the two lines were extended from their previous joint terminus at Bahnhof Selnau to a terminus at Zürich HB SZU, beneath Zürich Hbf station. This extension involved the construction of a new rail tunnel from Selnau to Hbf, and a new underground intermediate station adjacent to the former terminus. The underground platform and tracks used at Hbf were already in existence, having been built prior to 1973 for a U-Bahn scheme that was ultimately rejected by voters. Once the new extension had been opened, the former terminus at Selnau was redeveloped and little evidence of it is now visible.[7][8]

In 2006, the line was upgraded to allow a service every 10 minutes during peak periods. At the same time passenger services were withdrawn between Sihlwald and Sihlbrugg, although the track still exists and is used by occasional trains.[7]

OperationEdit

S4
 
S4 on the Sihltal line in the Sihl valley
Overview
Service typeZürich S-Bahn service
Current operator(s)SZU
Route
TerminiZürich HB SZU
Sihlwald
Stops11
Service frequencyEvery 20 minutes
Technical
Rolling stock
  • Class 450 and 456 [de] locomotives
  • Single- and double-decker coaches

RouteEdit

The Sihltal line shares a common terminus with the Uetliberg line, utilising a dedicated underground island platform (Zürich HB SZU) at Zürich Hauptbahnhof station. There is no rail connection to the rest of the station, but the platform is served by the same complex of pedestrian subways and subterranean shopping malls that link the station's other platforms.[2]

From Hauptbahnhof to Zürich Giesshübel station the two lines share a common twin-track line, initially in tunnel, partly running along and under the Sihl river. The current Selnau station is located in this under-river tunnel section.[2]

The two lines diverge at Giesshübel station, which is only served by trains on the Sihltal line. Also located here is a junction with the freight only branch to Zürich Wiedikon station on the Swiss Federal Railways' Lake Zürich left bank line. The next stop on the line is Zürich Saalsporthalle-Sihlcity station, which is adjacent to the large Sihlcity shopping mall, with direct access to the platforms from the mall. Further suburban stations follow at Zürich Brunau, Zürich Manegg and Zürich Leimbach.[2]

Leaving the city of Zürich behind, the line closely follows the river Sihl, serving the stations of Sood-Oberleimbach, Adliswil and Sihlau in the municipality of Adliswil. At Adliswil, a short walk provides an interchange to the Adliswil-Felsenegg cable car, which rises to the summit of Felsenegg.

Beyond Adliswil, the stations of Wildpark-Höfli, Langnau-Gattikon and Sihlwald are served, although many trains terminate at Langnau-Gattikon. Beyond Sihlwald, the line continues to a junction with the Swiss Federal Railways' Thalwil–Arth-Goldau railway at Sihlbrugg station, although this section of line does not carry a regular passenger service.[2]

ServicesEdit

The passenger services on the line now forms part of the Zürich S-Bahn, branded as the S4. Trains usually run every 20 minutes outside peak periods, and every 10 minutes during peak periods. Most trains terminate at Langnau-Gattikon station, with only one train per hour continuing to Sihlwald station. Standard Zürcher Verkehrsverbund (ZVV) zonal fare tariffs apply to the line.[3][10]

The night service (SN4) of the S4 line, operating on weekends after midnight, runs between Zürich Hauptbahnhof and Langnau-Gattikon.

The Zürcher Museums-Bahn (ZMB) operates occasional heritage railway services over the Sihltal line. On the last Sunday of every month from April to October, a steam service is operated from Zürich Wiedikon station to Sihlbrugg station. The ZMB preserves a selection of former Sihltal line rolling stock, including two early steam locomotives, and a railcar and a locomotive built for the original electrification.[11]

InfrastructureEdit

The Sihltal line is electrified using the standard Swiss mainline system of overhead lines at 15 kV 16.7 Hz AC, whilst the Uetliberg line is electrified using overhead lines at 1200 V DC. In order to avoid conflict on the common section, the Uetliberg line uses an overhead line offset from the centre of the track, and its cars are equipped with specially designed pantographs to collect from this.[12]

Rolling stockEdit

Passenger services on the Sihltal line are operated with a mixture of single and double deck cars, sometimes with examples of both types in the same train. Traction is provided by electric locomotives, which operate their trains in push-pull mode with a driving car at the other end of the train. Six new multiple unit trains have been ordered to enter service in 2013, equipped for dual voltage operation so as to operate on both the Uetliberg and Sihltal lines.[13]

As of 2019, service continues to be provided by Class 450 and 456 [de] electric locomotives in push-pull operation, with 3–4 single- and double-decker coaches. Depending on the configuration, each train has between 351–448 seats.[14]

NotesEdit

  1. ^ Wägli & Jacobi 2010, p. 67.
  2. ^ a b c d e f Eisenbahnatlas Schweiz. Cologne: Schweers + Wall. 2012. pp. 12, 64. ISBN 978-3-89494-130-7.
  3. ^ a b "Partners within the ZVV". ZVV. Archived from the original on 2011-08-30. Retrieved 2011-09-01.
  4. ^ a b c "Geschichte der Sihltalbahn" [History of the Sihltalbahn] (PDF) (in German). Sihltal Zürich Uetliberg Bahn SZU AG. Retrieved 2011-09-05.
  5. ^ Wägli & Jacobi 2010, p. 21.
  6. ^ Wägli & Jacobi 2010, p. 23.
  7. ^ a b c "Geschichte" [History] (in German). SZU. Retrieved 2011-09-02.
  8. ^ Moglestue, Andrew (December 2005). "Zürich: A city and its trams". Retrieved 2011-08-10.
  9. ^ "Suppes 94/95 Historische Wertpapiere". Suppes-Katalog Für Historische Aktien und Anleihen Historische Wertpapiere; Deutschland, Österreich, Schweiz. WWW Bernd Suppes: 472. 1994. ISSN 0936-9406.
  10. ^ "Zürich HB–Adliswil–Langnau-Gattikon–Sihlwald" (PDF). Bundesamt für Verkehr. Retrieved 2013-03-21.
  11. ^ "Zürcher Museums-Bahn". Zürcher Museums-Bahn. Retrieved 2013-03-29.
  12. ^ "Bahn S4/S10" [Line S4/S10] (in German). SZU. Retrieved 2011-09-01.
  13. ^ "Zürich local railway orders dual-voltage units". Railway Gazette. Retrieved 2010-10-01.
  14. ^ "ROLLMATERIALVERZEICHNIS: SIHLTALBAHN S4 UND UETLIBERGBAHN S10" (PDF) (in German). Sihltal Zürich Uetliberg Bahn. 2019. Retrieved 10 April 2021.

ReferencesEdit

  • Wägli, Hans G.; Jacobi, Sébastien (2010). Schienennetz Schweiz - Bahnprofil Schweiz CH+ [Swiss rail network] (in German) (3rd ed.). Zürich: AS Verlag. ISBN 978-3-909111-74-9.

External linksEdit