Latest Tunnels News

Northern Ireland (NI) Water and its contractor BSG Civil Engineering have completed tunnelling works for a £7.8M sewer upgrade in Portadown.

The Norwegian Public Roads Administration has awarded Implenia-Stangeland Maskin JV a CHF 540M (£472M) contract on the NK22bn (£1.63bn) Rogfast project, which will be the world’s deepest and longest subsea road tunnel.

Work to fully reopen the world’s longest rail tunnel, the Gotthard Base Tunnel, is progressing well and it is set to be operational again by September, Switzerland’s national rail operator SBB has reported.

Engineers on Australia’s Snowy 2.0 pumped hydro scheme are using high-pressure water jets in attempts to free a tunnel boring machine (TBM) that has been stuck for over two weeks.

Engineers from Webuild are utilising a hyperbaric excavation technique to dig a 650m section of tunnel through “constant and massive” water presence on the Naples to Bari high-speed rail line.

Paris’ mammoth project to create 200km of new Metro lines has seen Ferrovial Spie Batignolles JV commit to using renewable electricity for a 6.7km tunnel while Webuild NGE JV has been awarded a €1.38bn (£1.17bn) lot.

Schemes from the Bakerloo line extension to Lower Thames Crossing will form part of a major project to analyse how infrastructure can unlock growth in disadvantaged areas of east London.

The structure of the Silvertown Tunnel is now complete as engineers have finalised the connections between the cut-and-cover approaches and the main tunnel.

Start of work on National Highways’ £1.7bn Stonehenge Tunnel scheme on the A303 is indefinitely delayed after the Court of Appeal upheld campaigners’ case against the scheme.

It is at the threshold between above and below ground infrastructure that exceptional design is achieved.