Giersberg tunnel
The Giersberg Tunnel is a railway tunnel built between 1912 and 1915 in the North Rhine-Westphalian district town of Siegen . It is named after the 358 meter high Giersberg in the eastern part of the city. This is crossed in two separate tubes. Its construction was carried out by Liebold & Co AG from Holzminden, which had also been awarded the contract for the dill route from Siegen-Weidenau to Niederdielfen. Up to 1914 around 3,000 workers were working on the structure, with the outbreak of the First World War from October 1914 only around 500 workers.
Position and routing of the tunnel tubes
The route number 2800 (double-track continuous line from Hagen to Haiger, tube length 699 meters) between Siegen-Weidenau and Siegen-Ost station leads through the two tubes of the Giersberg tunnel, and route number 2881 of the Dill route (single-track tube, 732 Meters long) between Siegen Central Station and Siegen-Ost freight yard in the Kaan-Marienborn district . At two separate portals on the northwest side of the tunnel, the track sections of the tubes form the connection to two legs of a track triangle . The double-track section crosses the north-west portal of the single-track section directly in front of its own north-west portal. Therefore the Giersberg tunnel is one of the overpass structures . The southeastern mouths of both tunnel tubes ⊙ lie next to one another in a double portal clad with quarry stone on the southeastern slope of the Giersberg, offset by about two meters in height. The two north-western portals of the Giersberg tunnel ⊙ are also offset from one another in height and about 50 meters apart; the portals are at an angle of about 90 degrees to each other. Because both railway lines lie in a curve, their intersection is, however, at an oblique angle. Both tunnel sections went into operation on December 1, 1915.
Operational aspects
The single-track route is used by an average of five trains per hour on working days. Route 2881 is not operationally overloaded, but is considered a cross-regional bottleneck in the rail network between Cologne and Frankfurt. For example, the trains on the RE99 line cross shortly after the single-track line towards Haiger. In the event of delays, the train coming from Frankfurt may have to wait for the return train in Siegen-Ost. In addition, it happens that at the same time a freight train has to wait in the main train station to continue its journey towards Haiger. An expansion to two tracks is only possible with very high construction costs due to the narrow development.
The double-track tunnel route creates a direct connection between the Dill route and the Ruhr-Sieg route to the north of it . Currently this section is only used by freight traffic. Until the line was discontinued in 2002, regular interregional trains on the Münster - Frankfurt am Main route ran over the double-track tunnel . This line is to be reintroduced as an InterCity line from December 2021 , but with service from Siegen Hbf and use of the single-track tube. Most recently, in 2017, the route was used for several days again with scheduled passenger trains due to the construction site. The trains belonged to the lines RB93, RB95 and RE99. Most of them were direct journeys between Dillenburg and Hilchenbach with a bypass from Siegen Hbf.
Web links
- The single-track tube of the tunnel on eisenbahn-tunnelportale.de, with photos of the portals and site plan of the tunnel (accessed on May 21, 2012)
- The double-track tube of the Giersberg tunnel on eisenbahn-tunnelportale.de (accessed on May 21, 2012)
Individual evidence
- ↑ ftp://gw.winslow.bg/SPISANIA/MIBA/MIBA%20Spezial/Miba%20Spezial%2038%20Brucken,Mauern%20Und%20Portale.pdf ( page no longer available , search in web archives ) Info: The link was created automatically marked as defective. Please check the link according to the instructions and then remove this notice.
- ↑ a b The Giersberg tunnel on eisenbahn-tunnelportale.de
Map with all coordinates: