Germany
New Kaiser Wilhelm Tunnel
The more than 4.2 km long twin-track Kaiser Wilhelm Tunnel (1877) between Cochem and Ediger-Eller had to be redeveloped. As a result it was decided to build a new Kaiser Wilhelm Tunnel set some 15 m away. After it is commissioned the existing tunnel will be redeveloped and then both tunnels will be operated on a single-track basis.
Work on building the new tunnel with single shell lining began in May 2010 at the Ediger-Eller south portal in the direction of Cochem; the breakthrough took place in Cochem after 547 days and 4,242 m. For this purpose a tunnelling machine (Herrenknecht S-547) with...
