Polybahn funicular

Polybahn
Overview
Locale City of Zürich
Termini Central
ETHZ
Operation
Opened 1889
Owner UBS AG
Operator(s) Verkehrsbetriebe Zürich
Technical
Track length 176 metres (577 ft)
Track gauge 955 mm (3 ft 1 19⁄32 in)[1]
Entrance to the lower station of the Polybahn at the Central square
Car leaving the lower station across the viaduct over Seilergraben
The passing loop above the viaduct
Car approaching upper station
Entrance to the upper station

The Polybahn, also known as the UBS Polybahn, is a funicular railway in the city of Zürich, Switzerland. The line links the Central square with the terrace by the main building of ETH Zürich, which was formerly called Eidgenössisches Polytechnikum, and from which the railway derives its name. Previous names for the line include the SBG Polybahn and the Zürichbergbahn. The line is owned by the banking group UBS AG, and operated on their behalf by the municipal transport operator Verkehrsbetriebe Zürich.[2][3][4][5][6]

The Polybahn is one of two funiculars within the city of Zürich, the other being the Rigiblick funicular in the city's northern suburbs. Additionally, the city's Dolderbahn rack railway was originally a funicular, until its conversion to rack working in the 1970s.

History

In 1886 a concession for the railway was issued, and the line was opened by the Zürichbergbahn company in 1889. The funicular was initially water-driven (filling water in a ballast tank under the carriage at the top station, emptying at the bottom); the railway was converted to electric drive in 1897.[7]

In 1950 the Zürichbergbahn company began losing money, and eventually (in the 1970s) decided not to renew the concession. In 1972 a foundation was created to help preserve the Polybahn. In 1976 the Union Bank of Switzerland, then known in German as the Schweizerische Bankgesellschaft or SBG, rescued the Polybahn, branding it as the SBG Polybahn. The line and cars were refurbished for a planned 20 more years service.[7]

In 1996 the railway was completely rebuilt. The haulage mechanism was replaced, and fully automated, whilst the old three-rail tracks were replaced with the current two-rail tracks. On 21 October 1996 the railway reopened and is now advertised under the name UBS Polybahn, reflecting the rebranding (in 1998) of the owning banking group as UBS AG. In 1998 the line set a new record, carrying more than 2 million passengers.[7]

Operation

The line has the following parameters:[4][6][2]

Number of cars 2
Number of stops 2
Configuration Single track with passing loop
Mode of operation Automated
Drive Three-phase AC motor with frequency changer
Track length 176 metres (577 ft)
Rise 41 metres (135 ft)
Average gradient 23%
Track gauge 955 mm (3 ft 1 19⁄32 in)
Capacity 50 persons per car
Maximum speed 2.5 metres per second (8.2 ft/s)
Capacity per direction 1200 Persons/hour
Travel time 100 seconds
Frequency Every 2.5 minutes

The standard Zürcher Verkehrsverbund zonal fare tariffs apply, with the whole of the line being within fare zone 110 (formerly zone 10) (Zürich city).[8] However, there is a special flat tariff only applicable to Polybahn for CHF 1.20 per ride.

See also

References

  1. ↑ Zurich’s Urban Funiculars: The Polybahn and Rigiblick Funicular
  2. 1 2 "UBS Polybahn" (in German). VBZ. Retrieved 2011-08-09.
  3. ↑ "Zürich - Polybahn". Lift-World.info. Retrieved 2011-08-09.
  4. 1 2 "Polybahn". Funiculars.net. Pantograph.se. Retrieved 2011-08-09.
  5. ↑ [http://www.archive.today/XTqMb Funiculars net archive]
  6. 1 2 Eisenbahnatlas Schweiz. Verlag Schweers + Wall GmbH. 2012. p. 65. ISBN 978-3-89494-130-7.
  7. 1 2 3 "Geschichte der UBS Polybahn" [History of the UBS Polybahn] (in German). VBZ. Retrieved 2011-08-09.
  8. ↑ "Frequently asked questions". Zürcher Verkehrsverbund. Retrieved 2011-08-26.
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Coordinates: 47°22′35″N 8°32′38″E / 47.37639°N 8.54389°E / 47.37639; 8.54389

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