Sihltal railway line

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     Sihltal railway line (S4)
SZU DPZ.jpg
Train on the Sihltal line in the Sihl valley
Overview
Type Heavy rail line, carrying an S-Bahn service
System Zürich S-Bahn
Status Operational
Locale Zürich, Switzerland
Termini Zürich Hauptbahnhof
Langnau-Gattikon / Sihlwald
Stations 13
(+ Sihlbrugg to 2006)
Website ZVV (English)
Operation
Owner Sihltal Zürich Uetliberg Bahn
Operator(s) Sihltal Zürich Uetliberg Bahn
Rolling stock Re 456 class
+ double-deck coaches
Technical
No. of tracks Mixture of single and double track
Track gauge 1,435 mm (4 ft 8 12 in)
Electrification 15 kV 16 23 Hz AC supplied by overhead line
Route diagram
km elev
-1.2 Zürich Hbf(Platforms 1–2) 396 m
Sihltunnel1296 m
-0.2 Zürich Selnau 398 m
0.0 Zurich Selnauformer terminus 414 m
Sihlbrücke Giesshübel (96 m)
link line to Zurich Wiedikon
Uetlibergbahn nach Uetliberg
1,1 Zürich Giesshübel 418 m
Brücke Giesshübelstrasse62 m
1,8 Zürich Saalsporthalle-Sihlcity 422 m
Sihlbrücke Brunau60 m
2,7 Zürich Brunau 423 m
4,1 Zürich Manegg 430 m
Sihlbrücke Leimbach60 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
Sihlbrücke Langnau67 m
Tunnel Gattikon340 m
Sihlbrücke Sihlwald64 m
13,2 Sihlwald 488 m
No passenger service since 2006
Line from Zürich Hbf via Thalwil
17,3 Sihlbrugg 514 m
Line to Zug and Lucerne

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 networks service S4, and the standard Zürcher Verkehrsverbund (ZVV) zonal fare tariffs apply to the line.[1][2]

The line was opened in 1892 and electrified in 1924. Today it is owned by the Sihltal Zürich Uetliberg Bahn, a company that also owns the Uetliberg line, and operates other transport services.[3]

History[edit]

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

In 1897 the Sihltal line was extended to Sihlbrugg and a connection with the Zürich to Lucerne line of the NOB. 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.[3][4]

In 1990, the two lines were extended from their previous joint terminus at Bahnhof Selnau to a terminus at 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.[4][5]

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.[4]

A 1924 railcar now preserved by the Zürcher Museums-Bahn 
The 1897 locomotive shed at Sihlwald 

Operation[edit]

Route[edit]

The line serves the modern Sihlcity

The Sihltal line shares a common terminus with the Uetliberg line, utilising a dedicated underground island platform (tracks 21 and 22) 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.[1]

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.[1]

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 Railway's 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.[1]

Leaving the city of Zürich behind, the line closely follows the Sihl river, serving the stations of Sood-Oberleimbach, Adliswil and Sihlau in the municipality of Adliswil. At Adliswil, a short walk provides an interchange to the Luftseilbahn Adliswil-Felsenegg, a 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 Railway's Zürich to Lucerne line at Sihlbrugg station, although this section of line does not carry a regular passenger service.[1]

Services[edit]

Sihlwald is the passenger terminus

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.[2][6]

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.[7]

Infrastructure[edit]

The Sihltal line is electrified using the standard Swiss mainline system of overhead lines at 15kV 16.7Hz 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.[8]

Rolling stock[edit]

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.[9]

References[edit]

  1. ^ a b c d e Eisenbahnatlas Schweiz. Verlag Schweers + Wall GmbH. 2012. p. 65. ISBN 978-3-89494-130-7. 
  2. ^ a b "Partners within the ZVV". ZVV. Retrieved 2011-09-01. 
  3. ^ a b c "Geschichte der Sihltalbahn" [History of the Sihltalbahn] (in German). SZU. Retrieved 2011-09-05. 
  4. ^ a b c "Geschichte" [History] (in German). SZU. Retrieved 2011-09-02. 
  5. ^ Moglestue, Andrew (December 2005). "Zürich: A city and its trams". Retrieved 2011-08-10. 
  6. ^ "Zürich HB–Adliswil–Langnau-Gattikon–Sihlwald". Bundesamt für Verkehr. Retrieved 2013-03-21. 
  7. ^ "Zürcher Museums-Bahn". Zürcher Museums-Bahn. Retrieved 2013-03-29. 
  8. ^ "Bahn S4/S10" [Railway S4/S10] (in German). SZU. Retrieved 2011-09-01. 
  9. ^ "Zürich local railway orders dual-voltage units". Railway Gazette. Retrieved 2010-10-01. 

External links[edit]