Käferberg tunnel

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Käferberg tunnel
Käferberg tunnel
Hardturm Viaduct as access to the south portal of the
Käferberg tunnel (right)
use Railway tunnel
traffic connection Käferberg line
place Zurich
length 2119 m
Number of tubes 1
Largest coverage 100 m
construction
completion June 1, 1969
map
Käferberg tunnel.jpg
location
Käferberg Tunnel (City of Zurich)
Red pog.svg
Red pog.svg
Coordinates
North portal 682838  /  251074
South portal 681155  /  249939

The Käferberg Tunnel is a 2,119 meter long, double-lane railway tunnel in Zurich , Switzerland . It is part of the Käferberg line, opened in 1969 by the Swiss Federal Railways (SBB), which runs through the Käferberg ( 562  m above sea level ) in the north-west of the city.

history

The tunnel was included in the SBB's expansion plans from the mid-1950s and was intended to create a second connection between Glatttal and Limmattal without the hairpin in the already congested Zurich main station . It was part of a series of similar projects to build short connecting lines to relieve major train stations of through traffic. Most projects were implemented at the end of the 1960s, such as the Zollikofen - Ostermundigen connecting curve opened in 1967 to relieve Bern, which opened in 1971 near Bussigny to relieve the Renens marshalling yard and the connection of the Bözberg line with the Aargau Southern Railway in Brugg , which opened in 1969 opened.

The tunnel was hit on March 18, 1966.

opening

Together with the tunnel, the single-lane Hardturm Viaduct I to the Altstetten station was opened on June 1, 1969 in the south . The new connection was used exclusively for freight traffic to the old Zurich marshalling yard on the track between the main train station and Altstetten. As a result, the hairpin bends of freight trains in the main station were relocated to Altstetten. With the relocation of the Zurich marshalling yard due to the full operation of the Limmattal marshalling yard (RBL) from 1978, the switchbacks in Altstetten were eliminated. Since then, the Käferberg line has mainly been used by departing freight trains from the RBL heading north and north-east.

North portal (right) in Oerlikon

Since the opening of the double-lane Hardturm Viaduct II to the main train station on May 23, 1982, passenger trains have also regularly used the Käferberg tunnel. Since then, trains can also run from the northern hall tracks in the main station via Oerlikon station. Before that, the southern hall tracks had to be used via the Wipkinger line. Between 1982 and 1990, passenger trains via the Käferberg line included, in particular, intercity traffic via the airport line .

Train

For the imminent start of operations of the Zurich S-Bahn in May 1990, the Hardbrücke stop on the Hardturm Viaduct II was greatly expanded and became the operational terminus of the Hirschengraben line , the heart of the S-Bahn. As a result, since 1990 all S-Bahn trains that serve Oerlikon and travel through the heart of the city have been forced to run through the Käferberg tunnel. With the expansion of S-Bahn traffic, long-distance passenger traffic has since been largely pushed back to the Wipkinger line, while free routes are practically only available for freight traffic at night.

In contrast to the older and shorter Wipkingertunnel , which also crosses the ridge between Glatttal and Limmattal from north to south, the Käferberg tunnel describes a wide curve to the west. Both tunnels have the north portal at the southern end of Oerlikon station. The south portal of the Käferberg tunnel is 1350 meters further west on the northern bank of the Limmat in Höngg . The Weinberg Tunnel, which opened in 2014, also has its portal at the north portal.

Web links

Commons : Käferbergtunnel  - collection of pictures, videos and audio files

Individual evidence

  1. ^ Hans G. Wägli: Swiss rail network. AS Verlag, Zurich 2010, page 151
  2. HR Wachter: The new SBB connection line Zollikofen – Ostermundigen . In: Schweizerische Bauzeitung . tape 85 , no. 23 , 1967, p. 408-410 , doi : 10.5169 / seals-69466 .
  3. ^ DJ Bänziger: The Hardturm Viaduct of the SBB in Zurich . In: Schweizerische Bauzeitung . tape 85 , no. 33 , 1967, p. 609-614 , doi : 10.5169 / seals-69513 .
  4. ^ Hans G. Wägli: Swiss rail network. AS Verlag, Zurich 2010, pages 33 + 51
  5. ^ Hans G. Wägli: Swiss rail network. AS Verlag, Zurich 2010, page 51