| CONTENTS


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Immersed tube tunnel elements under construction for Weser river crossing, Germany Image credit: Image courtesy of Wayss & Freytag


10 Comment 3


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REGULARS 7 News


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42 Events


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Immersed Tube


Weser Crossing Andreas Böddeker, DEGES Jens Classen, Wayss & Freytag Roland Herr, Journalist Construction is underway on the Weser immersed tube tunnel in Germany.


Next steps to resilience Jurriaan van den Berg, Trelleborg


Long-term experience with immersed tubes are shifting the thinking on performance.


Trenchless


Tunnel beats trench Brendan O’Sullivan, Consor Glen Wheeler, J. W. Fowler Tunneling


Cost-risk trade-off on US pipeline project picks trenchless over open cut construction.


Mechanised Insight


Finance, Risk, Procurement: Spotlights on risk Reports consider HS2 going ahead, and Sizewell C.


Fire Safety: Sensing the heat Transport tunnel projects both new and in renovation are enhancing fire safety systems


BTS, BTSYM Chairs’ Corner Updates on the latest activities and outreach of the BTS and BTSYM.


ITA guides New ITA reports guide on equipment, thrust, and segmental lining of bored tunnels.


July 2026 | 5


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