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Grafenort – Engelberg Tunnel

EngelbergMetre-gauge railways in SwitzerlandRailway tunnels in SwitzerlandTunnels completed in 2010
ZentralbahnTunnelportalAaschlucht
ZentralbahnTunnelportalAaschlucht

The Grafenort – Engelberg Tunnel is a railway tunnel on the Luzern–Stans–Engelberg-Bahn line, which forms one portion of the Zentralbahn in Switzerland. It replaced the steepest section of the line, an inclined length of 1,600 meters that had a peak gradient of 25%, allowing for a faster transit since its completion. Following a number of preparatory surveys and assessments, construction of the tunnel commenced during March 2000. Work was delayed by two years due to a particularly severe flood that started in August 2005; it had been recognised beforehand that water ingress was a particular threat, thus the project included the construction of a concrete inner vault. The completed tunnel was officially opened during February 2010.

Excerpt from the Wikipedia article Grafenort – Engelberg Tunnel (License: CC BY-SA 3.0, Authors, Images).

Grafenort – Engelberg Tunnel

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Geographical coordinates (GPS)

Latitude Longitude
N 46.8374 ° E 8.3857 °
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Address

1
6390
Obwalden, Switzerland
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ZentralbahnTunnelportalAaschlucht
ZentralbahnTunnelportalAaschlucht
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