All Tunnelling Articles

Implenia wins US$229 million contract to build German S-Bahn tunnel
Implenia wins contract to build complex underground tunnel section
Oslo’s new US$168mn metro will be 45m underground
The city of Oslo, Norway’s newest metro station and two-track rail will be constructed 45m below ground
Images | 7 of the best photos from the world of construction in May
Construction Briefing reviews some of the best photos from the sector taken in May 2025
Germany’s huge infrastructure fund could mean better times. But here’s why it’s not a done deal
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Tim-OIiver Müller, managing director of construction industry association Bauindustrie, discusses the state of Germany’s construction industry
How a €3.1bn construction project could protect Spain from future power cuts
Interconnector project with hundreds of kilometres of undersea cable set for 2028 completion
Breakthrough success on Himalayan mountain tunnel that suffered 2023 collapse
Workers excavating a 4.5km-long tunnel under the Himalayas in the Indian state of Uttarakhand have made a tunnelling breakthrough.
Five winners named in 2025 bauma Innovation Awards
Bauma once again held its Innovation Awards, crowning winners across five categories 
Hochtief and Implenia share Munich tunnel job worth hundreds of millions of Euros
A joint venture between contractors Implenia and Hochtief has won a contract to build a three-kilometre stretch of railway tunnels in Munich, Germany
UK’s £9bn Lower Thames Crossing project given green light
The largest road tunnel in the UK will be built after a plan was approved by the government
Video: HS2 lifts TBM Sushila via gantry crane after completing 5-mile journey
The machine is said to have excavated over 1.2 million tonnes of earth and installed 4,217 tunnel rings
Herrenknecht to showcase mechanised tunnelling tech
The booth will highlight five key thematic areas focusing on forward-looking trends
German construction welcomes plans for €500bn infrastructure fund and easing of ‘debt brake’
German construction associations have welcomed news of a cross-party agreement to spend €500 billion infrastructure in the country.
Texas and Alaska infrastructure awarded a ‘C’ grade
The infrastructure in the US states of Alaska and Texas have both been awarded a ‘C’ grade, according to the American Society of Civil Engineers’ (ASCE) latest ‘Report Card’
Medieval walls preserved in Milan metro station extension
A medieval discovery in Milan, Italy, has been integrated into a metro expansion project
Optimising drilling and foundations: How updated machines promise greater efficiency
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Technology is making drilling and foundation equipment more sustainable and easier to operate than ever before. Andy Brown drills down into the details
Element Six and Master Drilling announce partnership for tunnel development technology
The technology has been tested under both underground and surface conditions in the UK and South Africa
CEO Interview: Doka’s Robert Hauser on the tech transforming formwork
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Rober Hauser details the advanced technologies and sustainable materials driving a global formwork transformation
JV selected for nearly US$1.2bn Manhattan Tunnel Project in NYC
A JV received a contract valued near US$2 billion for a major rail tunnel project in New York
India’s ‘largest’ TBM working on Mumbai project
Herrenknecht secures contract to deliver tunnel boring technology for road tunnels at Mumbai Coastal Road Project North
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