New Wendlingen–Ulm Rail Route: Imberg Tunnel Breakthrough

The DB Projekt Stuttgart-Ulm GmbH broke through the almost 220 m long mined section of the Imberg Tunnel on the new Wendlingen–Ulm rail route on June 30, 2015 following a three-month construction period. In spite of tricky conditions – the Imberg partially consists of karstified limestone – according to the DB work is forging ahead as scheduled.

The Imberg Tunnel is only 499 m long, making it one of the shortest on the Stuttgart–Ulm rail project. It is being excavated partly by cut-and-cover as well as by mining techniques. On account of the fact that the tunnel contains two tracks it...

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