The southern portal of the two tubes of the Katzenberg Tunnel
Overview
Line
Karlsruhe–Basel high-speed railway
Location
Bad Bellingen and Efringen-Kirchen, Germany
Coordinates
North portal: 47°44′32″N7°33′37″E / 47.74222°N 7.56028°E / 47.74222; 7.56028 South portal: 47°39′30″N7°34′32″E / 47.65833°N 7.57556°E / 47.65833; 7.57556
Start
Bad Bellingen
End
Efringen-Kirchen
Operation
Work begun
2003
Opened
December 4, 2012 (2012-12-04)
Owner
Deutsche Bahn
Traffic
about 57 passenger trains(status: 2012) and about 160 goods trains (traffic on the existing route in 2007)
Character
2 bores
Technical
Design engineer
DB ProjektBau
Lahmeyer International
Length
9,385 m (5.832 mi)
No. of tracks
2
Track gauge
1,435 mm (4 ft 8+1⁄2 in) standard gauge
Electrified
15 kV/16.7 Hz AC overhead catenary
Operating speed
250 km/h (160 mph) (max)
The Katzenberg Tunnel is a railway tunnel on the Karlsruhe–Basel high-speed railway that opened in December 2012. The tunnel was built to increase the capacity[1] and speed of the Mannheim–Karlsruhe–Basel railway (Rhine Valley Railway, or Rheintalbahn in German) and was built to remove the freight traffic from the towns on the old line.[2] The two parallel, single-track tunnels, which can be passed at up to 250 km/h,[3] extend from Bad Bellingen to Efringen-Kirchen[1] With a length of 9,385 m,[1] it is the third longest tunnel after the Landrücken Tunnel and the Münden Tunnel and the longest twin-bore tunnel in Germany.
The reduction in journey times for long distance passenger trains between Freiburg and Basel initially amounts to two minutes.[4] After the completion of the entire section of line, the journey time will be around 15 minutes shorter.[5] At night a few freight trains and during the daytime many freight trains are routed through the Katzenberg Tunnel.[2]
The tunnel and its connection to the existing network cost a total of approximately €610 million. The line was cleared for operations by the Federal Railway Authority (Eisenbahn-Bundesamt) on 4 December 2012. The opening ceremony took place on the same day. Regular operations began on 9 December 2012.[6]
^ abcCite error: The named reference db-2006-04 was invoked but never defined (see the help page).
^ ab"Alle Güterzüge fahren durch Katzenbergtunnel". Badische Zeitung (in German). 19 October 2012. Retrieved 6 April 2016.
^Streckenprospekt Strecke 4280, Katzenbergtunnel (in German). DB ProjektBau GmbH, Regionalbereich Südwest.
^"Eine kurze Rennbahn hinter Basel". Neue Zürcher Zeitung (in German). 4 December 2012. Retrieved 10 April 2016.
^"Größtes Projekt der Rheintalbahn vor Fertigstellung". Die Welt (in German). 4 July 2012. Retrieved 10 April 2016.
^"Katzenbergtunnel: Längster Zwei-Röhren-Tunnel Deutschlands eröffnet". Badische Zeitung (in German). 4 December 2012. Retrieved 7 April 2016.
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