Zurich Weinberg Tunnel:
Installing the Rail Technology

Along with the underground through station – Löwenstraße – the roughly 4.8 km long, twin-track Weinberg Tunnel in Zurich forms the core of the SBB
Zurich Cross Rail (DML) project, which connects Zurich Central Station with Oerlikon Station. The approx. 4.38 km long hard rock stretch was driven using a tunnel boring machine, which had to be converted to a Mixshield (Herrenknecht S-451) for the final section leading to the target shaft at Zurich Central.

After the tunnel was broken through at the end of 2010 and completion of the roughwork operations, work has concentrated on installing the rail...