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Intertunnel/Expoferroviaria at Turin

Intertunnel/Expoferroviaria at TurinThe Intertunnel-Expoferroviaria will take place in Turin at the Lingotto Fiere exhibition centre June 8-10, 2010. For Intertunnel, more than 60 exhibitors from 11 ... More Information

Ile de France road tunnel refurbishment

Ile de France road tunnel refurbishmentRefurbishment works in the 1,357 m Landy road tunnel on the A1 in Ile de France will be completed by summer, 2012 as part of the programme to update 22 road ... More Information

Thirty Atlantic Axis excavations complete

Thirty Atlantic Axis excavations completeOn 25.02.2010 excavation of the 725 m-long, 110 sq m twin-track Ardilleiro tunnel was completed, including two cut/cover sections. Ardilleiro tunnel is on ... More Information

Tunnel Design & Construction Asia

Tunnel Design & Construction AsiaThe Tunnel Design & Construction Asia conference will bring together international industry experts to speak on the most relevant issues related to regional ... More Information

Ground consolidation at TBM passage in Girona

Ground consolidation at TBM passage in GironaInstallation of 178 sheet piles has been completed between Girona I tunnel and adjacent buildings to consolidate the structures before the Gerunda TBM ... More Information

Elche railway tunnel underway in Alicante

Elche railway tunnel underway in AlicanteOn 15.02.2010, excavation of the 1,288 m-long, 86 sq m twin-track Elche tunnel started on the El Carrús-Elche section of the Madrid-Castilla La ... More Information

Mammoth Genoa underground motorway agreed

Mammoth Genoa underground motorway agreed A memorandum of understanding was signed in Genoa on 08.02.2010 for the construction of a 23 km underground motorway, including the Gronda di Ponente and ... More Information

First news from tunnelbuilder, daily!

First news from tunnelbuilder, daily!Only one tunnelling website on earth updates every day of the week, including weekends! Whenever there is important news for our readers, it is uploaded at ... More Information

Reboredo railway tunnel excavation completed

Reboredo railway tunnel excavation completedExcavation of the 790 m-long, 110 sq m twin-track Reboredo tunnel was completed, including two cut/cover sections. Reboredo tunnel is on the Silleda, ... More Information

Atlas Copco and Rio Tinto to go mechanical tunnelling

Atlas Copco and Rio Tinto to go mechanical tunnellingAtlas Copco will develop one of two rapid tunnelling concepts for Rio Tinto, which will enable fast and cost-effective construction of mine ... More Information

Major collapse at Gilgel-Gibe hydro

Major collapse at Gilgel-Gibe hydro Gilgel-Gibe hydroelectric power plant is located in the Great African Rift Valley region of Ethiopia. It’s 26 km-long headrace tunnel cuts through heterogeneous ... More Information

Pedemontana Lombarda startup

Pedemontana Lombarda startup Work on the Pedemontana Lombarda officially started on 06.02.2010. The Pedemontana will link the five provinces of Bergamo, Monza & Brianza, Milan, Como and Varese ... More Information

Three Robbins TBMs enroute to Mexico city

Three Robbins TBMs enroute to Mexico cityOn 02.02.2010, the ceremony to mark the assembly of three Robbins EPBs was held in Corpus Christi, Texas, US. The machines are headed to Mexico City's Emisor ... More Information

Normet International appoints Kleven

Normet International appoints KlevenThe new Director, Tunnelling and Special Projects at Normet International is Odd-Bjorn Kleven, who will work out of the company's offices in Baar, Switzerland and ... More Information

Atlantic Ocean tunnel opens in Norway

Atlantic Ocean tunnel opens in NorwayOn 19.12.2009, the 5.37 km-long Atlantic Ocean tunnel between Kristiansund and Bremnes on National Road 64 was opened. For construction history visit ... More Information

Spanish symposium on tunnels

Spanish symposium on tunnelsThe fifth symposium on tunnels entitled Security for tunnels in the 21st century will be held in Bilbao, Spain later this month from 24.02.2010 to 26.02.2010 at the ... More Information

Stuttgart 21 project starts in Germany

Stuttgart 21 project starts in GermanyWork on the Stuttgart 21 project finally started on 02.02.2010. Initially, the existing Stuttgart main station will be replaced with a subsurface station 12m ... More Information

Castellanza railway tunnels open in Italy

Castellanza railway tunnels open in ItalyThe Castellanza tunnels on the Milan Cadorna-Saronno-Busto Arsizio-Malpensa line operated by Ferrovie Nord Milano opened on 30.01.2010. The two parallel ... More Information

Aker Wirth TBM for Switzerland

Aker Wirth TBM for Switzerland Aker Wirth has been commissioned to construct and deliver a gripper tunnel boring machine (TBM) by ARGE Zugangsstollen Limmern (AZL). The order has a total value of ... More Information

Elasto Plastic Concrete in Atlantic Ocean tunnel

Elasto Plastic Concrete in Atlantic Ocean tunnelMore than ten major tunnelling projects in Norway are benefiting from the use of Barchip structural synthetic fibre to reinforce their shotcrete ... More Information

Ravnehei tunnel commissioned in Norway

Ravnehei tunnel commissioned in NorwayOn 24.11.2009 the 7 km Hanesund-Sande section on road Rv 465 opened, including the 3.3 km-long Ravnehei tunnel between Kjorrefjord and Ulland in Farsund ... More Information

Burata railway tunnel excavation completed

Burata railway tunnel excavation completedOn 26.01.2010 excavation of the 4,068 m-long, 85 sq m twin-track Burata tunnel was completed. Burata is on the 6.4 km Ourense to Amoeiro section of the ... More Information

Innovations at Bauma 2010

Innovations at Bauma 2010The 29th Bauma takes place in three months time at Neue Muenchen Messe, from 19-25 April. The exhibition is sold out, with around 3,000 firms showing their goods. Some ... More Information

SELI opens branch in Hong Kong

SELI opens branch in Hong KongThe new SELI branch office at 28 Canton Road, Unit 408A - Lippo Sun Building, Kowloon, HKSAR will serve as an immediate reference contact for all the company's projects ... More Information

Line B extension of the Lyon metro

Line B extension of the Lyon metroIn July 2009 the JV headed by Chantiers Modernes Rhone-Alpes, a subsidiary of Vinci Group, with the nine companies SPIE Batignolles, TPCI, Dodin Campenon Bernard ... More Information

Salerno-Reggio Calabria motorway A3 design approval

Salerno-Reggio Calabria motorway A3 design approvalOn 28.01.2010, Anas approved the executive design and the start of work on the third mega lot, third part of the Salerno-Reggio Calabria motorway ... More Information

NFM Technologies improves on Spanish record

NFM Technologies improves on Spanish recordWhen TBMs of sizes greater than 9 m-diameter complete more than a kilometre in a month, the talk turns to records. NFM Technologies already held the ... More Information

Telvent tunnel management system for Brazil

Telvent tunnel management system for BrazilSpanish IT firm Telvent will install a tunnel management system on the El Morro Alto tunnels in Brazil to enhance safety and reduce accidents.Under the ... More Information

Work starts on Caldecott fourth tube

Work starts on Caldecott fourth tubeCaldecott tunnel is on Route 24 between Oakland and Orinda in California, US. It handles 160,000 vehicles/day through its three tubes, and is overloaded. Work is ... More Information

Madrid-Castilla La Mancha-Valencia-Murcia high speed line progress

Madrid-Castilla La Mancha-Valencia-Murcia high speed line progressExcavation has been completed at the 2,437 m-long El Regajal rail tunnel on the 4.7 km Aranjuez-Ontígola section of the ... More Information

Robbins EPB assembled at Mexico jobsite

Robbins EPB assembled at Mexico jobsiteMexico City officials have celebrated the erection of the country's largest ever TBM with a cutterhead turning ceremony. Next week, the 10.2 m-diameter Robbins ... More Information

Portugal court suspends Marao tunnel construction

Portugal court suspends Marao tunnel constructionConstruction of the twin-tube 5,655 m-long Marao motorway tunnel on the new Amarante-Vila Real highway in Portugal has been suspended following ... More Information

Padley & Venables worldwide

Padley & Venables worldwidePadley & Venables is one of the largest international manufacturers of a wide range of quality tools and bar steels for use in the mining, tunnelling, quarrying, ... More Information

GIA working well in Hong Kong small diameter drainage tunnels

GIA working well in Hong Kong small diameter drainage tunnelsContractor Dragages-Nishimatsu has taken delivery of a fleet of GIA locomotives, shuttlecars and Haggloaders to assist in small diameter ... More Information

Devil's Slide improvement

Devil's Slide improvementOwned and operated by Caltrans, the Devil's Slide project is located on State Route 1 in San Mateo County between the City of Pacifica and the town of Montara, California. ... More Information

Terratec sponsors tunnelbuilder.com

Terratec sponsors tunnelbuilder.comTerratec, our old friends from Tasmania, are starting 2010 with a bang, sponsors of tunnelbuilder.com! For 20 years Terratec has been manufacturing Total ... More Information

Tunnelling News

Tesla Cybertruck escorts Boring Co's Prufrock-3 tunnel boring machine

The Boring Company's Prufrock-3 tunnel boring machine (TBM) recently completed a tunnel to Giga Texas, and in true Elon Musk fashion, ... More Information

Kazakhstan’s First Automobile Tunnel and Largest Bridge to be Completed this Year

As reported by the Kazakhstan’s Ministry of Transport, Kazakhstan’s first automobile tunnel through the Shakpak Baba Pass and the country’s largest bridge over the Bukhtarma Reservoir ... More Information

HRBT Expansion Project hits big milestone, could be on track for early completion

The tunnel boring machine, known as Mary ... construction of our two new bored tunnels,” said Project Director Ryan Banas... More Information

TBMs Pass Factory Test For Lesotho Highlands Water Project

A team of engineers and tunnel experts from the Lesotho Highlands Development Authority (LHDA) together with consultants and contractors working on the Polihali transfer tunnel recently ... More Information

Royal Cargo opts for Goldhofer heavy transport equipment

It has also been in action moving tunnel boring machines (TBM) for the Metro Manila Subway project ... machine part posed a significant challenge due ... More Information

Tunnel breakthrough on NI Water's £7.8M Portadown wastewater project

The tunnel boring machine excavated roughly 1,000m3 of material, which would have risen to 8,000m3 of spoil with a more traditional open-cut method. More Information

The Boring Company announces Cybertunnel at Tesla Texas HQ

In January, the company's latest tunnel boring machine (TBM), Prufrock 3, was first spotted near Tesla's Giga Texas. Prufrock-3 has ... More Information

How do you build tunnels and bridges underwater?

Underground construction usually uses powerful tunnel-boring machines to excavate soil directly. This machine is often called a mole for a reason. More Information

Five Huge New Construction Projects Coming To The US

A spokesperson for the project told Newsweek: "The Hudson Tunnel Project is a generational investment that is expected to create 95,000 new jobs and ... More Information

Chennai Metro Corridor 3: Adyar River Tunnel Work Hampered By Geological Setbacks

For the stretch between Greenways Road and Adyar, CMRL engaged two TBMs, 'Kauvery' and 'Adyar.' These machines were launched from Greenways Road ... More Information

French and Danish firms to build Valby 'cloudburst tunnel'

The underground tunnel will be 2,380m long and will be constructed as a drilled tunnel with an internal diameter of 3.4m. The tunnel will have the ... More Information

Howard's approved budgets include $44.9M for Ellicott City tunnel

The Howard County Council has approved a $2.4 billion operating budget for fiscal 2025, along with a $413 million capital construction budget that ... More Information

DC Water Breaks Ground On Potomac River Tunnel Project

DC Water on May 21 hosted a groundbreaking ceremony to officially commence construction activities for the Potomac River Tunnel Project... More Information

Silvertown Tunnel portal connections completed

A complete transformation of the tunnel shape was needed to connect the circular tunnel boring machine (TBM) constructed ... More Information

The $4BN Tunnel to Save Stockholm - The B1M

Above: A tunnel entrance under construction. When it completes in 2030, the $4BN project will be one of the longest road tunnel systems in the world. More Information

OHLA awarded the Gjønnes tunnel in Norway for nearly 160 million euros

The Norwegian Public Roads Administration (Statens Vegvesen) has awarded the company the design and construction of the Gjønnes tunnel for 156 ... More Information

Utilities tunnel dug through 'challenging' ground conditions under River Tees

Main contractor Farrans Construction worked with specialist contractor Joseph Gallagher to construct the tunnel. During its five weeks of tunnelling ... More Information

China develops world's first boring and blasting machine

In a groundbreaking development, the world's first boring and blasting machine, jointly developed by Tsinghua University and China Railway Science and Industry Group, has successfully ... More Information

Tunnel boring machine wedged in hard rock, leaving Snowy 2.0 hydropower project with new issues

Tunnelling problems are plaguing the $12 billion Snowy 2.0 hydropower project, with a boring machine previously bogged in soft ground now wedged in ... More Information

Construction Complete On New High-Speed Rail Tunnel

Inside the completed Desheng Tunnel, and inset, a Chinese high-speed train. Work on the project is now complete. © China ... More Information

DC Water Breaks Ground on Potomac River Tunnel Project

The Project consists of a large-diameter deep sewer tunnel, diversion facilities, drop shafts, and support structures to capture flows from existing ... More Information

Morocco’s proposed $13 billion underwater tunnel to connect Europe to Africa by 2030s

An historic intercontinental rail link is aiming to link Europe to Morocco with an ambitious underwater tunnel. The Moroccan National Company for Strait Studies (SNED) announced last ... More Information

Government set to fund £1bn final HS2 London tunnel drive

The project was halted as part of Prime Minister Rishi Sunak’s £6.5bn cost-cutting plan announced last October. This involved axing phase 2 to Manchester and finding a private investor ... More Information

HS2 Project Update, May 2024

Our Victorian railways have carried us successfully through history, but with passenger numbers continuing to rise, investing in new, modern railway lines like HS2 is the key to meet the ... More Information

PM inaugurates breakthrough of Sunkoshi Marin Diversion tunnel

A breakthrough of the Sunkoshi Marin Diversion Multi-purpose Project tunnel has been made... More Information

Toronto's Eglinton Crosstown extension moves closer to tunnelling completion

The project is being delivered by Infrastructure Ontario and Metrolinx. West End Connectors was awarded the C$729M (£425M) contract to design, build ... More Information

_Fehmarnbelt tunnel program hits major milestone

DEME Group said that the Fehmarnbelt tunnel project, one of Europe's largest infrastructure projects, has achieved a significant milestone with ... More Information

The incredbile new £12bn mega-tunnel that could end traffic chaos in world famous city

Construction on the £12.63 billion mega-tunnel has already begun and it is expected to be open in 2035. · Animation for The Hudson River Tunnel project. More Information

Great Lakes Tunnel Project makes progress

Ready to move forward. Enbridge is preparing to begin tunnel construction as soon as possible, following receipt of environmental permits ... More Information

Hudson Tunnel Project is expected to create 95,000 jobs

The report is based on research done on behalf of the Gateway Development Commission. “The Hudson Tunnel Project is the most pressing infrastructure ... More Information

The $2.8BN Megaproject Dividing London

London is building a controversial new tunnel under the River Thames. Head to https://brilliant.org/TheB1M/ for a 30-day free trial + the first 200 people will receive 20% off their ... More Information

Namma Metro: Underground tunnel work on Pink Line 95% complete

This underground portion includes the ambitious task of constructing 20.992 km of twin tunnels. Progress is also underway on the construction of 18 ... More Information

How an ancient water tunnel design is cooling 21st-century streets

In Seville, 3,000-year-old underground technology is being transformed in modern day air-conditioning. An aqueduct at the unopened CartujaQanat pilot ... More Information

Frederick Douglass Tunnel Program B&P Tunnel Replacement Project

Project Description: Proposed utility and roadway relocations include civil work to support the construction of Amtrak's Frederick Douglass Tunnel. More Information

Fehmarnbelt | Purpose-built vessel arrives to line tunnel trench with gravel 'cushion'

The Fehmarnbelt Fixed Link is a new road and rail tunnel being constructed between Denmark and Germany. It will comprise 89 precast concrete ... More Information

Successful Breakthrough of Gudauri Tunnel in Georgia's North-South Corridor KK Highway Project

KAZBEGI, Georgia, April 23, 2024--The 10-kilometer LOT1 Section is constructed by China Railway Tunnel Group Co., Ltd., of which the Gudauri ... More Information

Construction of Shinku La Tunnel to bolster all-weather connectivity in Ladakh Rising Kashmir

Leh, Apr 21: Member of Parliament from Ladakh, Jamyang Tsering Namgyal, announced that work on the strategically vital Shinku La Tunnel is set to ... More Information

Tunneling works for key Davao bypass road seen completed this year

The Davao City Bypass Construction Project is among the 14 foreign-assisted infrastructure projects approved by the National Economic Development ... More Information

Hamptons Subway Cuts Ribbon on New Foxwoods Tunnel

Hamptons Subway, with U.S. Transportation Secretary Pete Buttigieg, cut the ribbon to begin construction of the new tunnel from Sag Harbor to ... More Information