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Further underground work for Stockholm bypass 07 Dec 2017

Patrick Reynolds for TunnelTalk

Strabag has been awarded a further road tunnel contract on the Stockholm E4 highway bypass calling for drill+blast construction of twin 1.23km long tunnels.

Swedish Transport Authority Trafikverket awarded the €45 million contract to the Strabag Svierge AB division of the Austrian contractor for the tunnelling works on the Akalla section of the project. Contract award in late November will see a start of construction in January 2018 and towards a completion date by mid-2021.

New contract for Strabag on E4 Stockholm bypass
New contract for Strabag on E4 Stockholm bypass
54km of tunnelling on 21km long bypass
54km of tunnelling on 21km long bypass

The contract is in the same section of the 21km long, €3.1 billion project as an earlier contract secured by Strabag almost two years ago in early 2016. The works, including a 120m long cut-and-cover tunnel, have been undertaken by Zublin Scandinavia AB, a unit of the Strabag Ed Zublin AG subsidiary.

The 21km long bypass includes 18km of twin tunnel alignment for three lanes in each direction as well as a further 14km of entry and exit ramps and 4km of intermediate access tunnels, for a total excavated length of 54km. The Akalla section of the project is to be completed in 2021 and the entire project opened to traffic in 2025.

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