Switzerland

Zurich cross-city Link: Weinberg Tunnel – Crossing the Limmat

The tunnel boring machine (TBM) used for producing the 2-track Weinberg Tunnel arrived at the for the time being final stopping point under the Zähringerstraße at the Central Station as scheduled after driving 4.1 km. Work commenced roughly 1 ½ years ago and have run so far according to schedule and in keeping with the financial plan.

By June 2010 the TBM will be converted into a hydro-shield for subsequently underpassing the Limmat and the Station Quay – at a depth of roughly 17 m below the ground surface within the already driven tunnel. Driving operations are to be restarted in summer in...

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