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Coffs Harbour Bypass

Coffs Harbour Bypass

The Australian and NSW governments are funding the 14 km Coffs Harbour bypass project.  The bypass will boost the regional economy and improve connectivity, road transport efficiency and safety ... More Information

TBM Meg arrives

Digging of the western section of the Metro Tunnel between Kensington and the Central Business District is now complete, after TBM Meg broke through at the State Library Station, marking the  ... More Information

Geothermal Energy from the Base Tunnel to power the Susa Valley construction site

The hot water collected during excavation of the Chiomonte base tunnel will become a source of clean, sustainable energy for its construction site. This geothermal resource will then be made ... More Information

CrossRiverRail Webinar

An online webinar to hear first-hand from Cross River Rail’s experts about tunnelling works and how it may impact local residents and businesses.   Experts from the Cross River Rail ... More Information

Voting opens for TBM name for Swinoujscie tunnel

Voting has begun to name the new  Swina River TBM, which will soon begin to drive the Swinoujscie tunnel tunnel under the Swina River. The competition committee chose 5 of the 301 ... More Information

HS2 accelerates north as MPs give go-ahead to next phase to Crewe

HS2 accelerates north as MPs give go-ahead to next phase to Crewe

Parliament continues to show very strong support for HS2, as the Bill for the extension from the West Midlands to Crewe – Phase 2A – is given Royal ... More Information

Colaba-Bandra-SEEPZ Metro-3 Corridor 36th Breakthrough at CSMIA T1 Metro Station

Colaba-Bandra-SEEPZ Metro-3 Corridor 36th Breakthrough at CSMIA T1 Metro Station

Mumbai Metro Rail Corporation (MMRC) has achieved its 36th breakthrough at CSMIA T1 Metro Station.  With this 1.5-km long tunnel from Sahar Road Metro Station to CSMIA, T1 is now completed. The ... More Information

World Tunnelling Congress 2023

World Tunnelling Congress 2023

The winner to host the WTC2023 is Greece!  The final voting result: Greece 33 vs Turkey 14. The theme will be  EXPANDING UNDERGROUND - Knowledge & Passion to Make a Positive Impact on ... More Information

First cutter head arrives for TBM for Metro Manila Subway project

First cutter head arrives for TBM for Metro Manila Subway project

On 05/02/21 at the Manila North Centre Port Terminal an arrival ceremony  was held for the Cutter Head for of the first TBM Kaunlaran. It will be used for the 15-station Metro Manila Subway 's ... More Information

Construction work started on the Fehmarnbelt connection

Construction work started on the Fehmarnbelt connection

With final German approval of the Fehmarnbelt project obtained in November 2020, construction of the Fehmarnbelt Tunnel between Denmark and Germany is now well underway.   During 2021, ... More Information

City Rail Link’s TBM will be launched in April 2021

City Rail Link’s TBM will be launched in April 2021

Most of the preparation works for the City Rail Link (CRL) has been completed and project momentum is shifting to the heavy infrastructure programme. 2021 will see the Dame Whina Cooper ... More Information

Robbins enters a New Chapter

Robbins Brand to continue under Global TBM Company - Global TBM Company, newly established by industry veteran Lok Home, is proud to announce the recent purchase of substantially all the assets of ... More Information

Grand Paris Express updates - Line 16

Grand Paris Express updates - Line 16

Line 16 (27.5 km) of the Grand Paris Express project will be entirely underground and three works lots are planned with the use of 8 TBMs. The works’ are scheduled to finish in 2030. Lot 2 - ... More Information

EGLE Permits: Michigan agency approves permits needed for Enbridge tunnel project

On 29/01/2021 the Enbridge Line 5 tunnel in the Straits of Mackinac got another step closer to being built. The Michigan Department of Environment, Great Lakes, and Energy announced its approval of ... More Information

Cross River Rail Updates

Cross River Rail Updates

Roadheaders start tunnelling towards Boggo Road - Two 115t roadheaders  have started to mine the remainder of the 870 m Cross River Rail twin tunnels between Woolloongabba and Boggo ... More Information

FAMA and Sustainability

FAMA and Sustainability

Excellent results were achieved in 2020 by FAMA, a world leading provider of sealing, connection systems and precast tunnel lining. The company’s budget shows a positive finish after an ... More Information

Breakthrough on WestConnex tunnels

Breakthrough on WestConnex tunnels

A major milestone was reached on the M4-M5 Link Tunnels project  - 41 m underground at the St Peters Interchange - with roadheaders carving through to the M8, linking two WestConnex stages ... More Information

NASTT 2021 No-Dig Show

The NASTT 2021 No-Dig Show will convene in Orlando, Florida, March 28-31 at the Orange County Convention Center — offering in-person and virtual offerings to bring the trenchless industry to ... More Information

EnigmaCG’s 6th Annual Webinar on Innovation in Tunnels: Construction, Maintenance, Safety & Fire Protection

With over 55 live tenders for construction/development of new tunnels in just Spain, Switzerland, Italy and Belgium at the time of writing this, it is safe to say that tunnel construction/ ... More Information

TERRATEC TBM begins work for Delhi Metro Phase 4

  TERRATEC TBM begins work for Delhi Metro Phase 4

A refurbished 6.52m diameter TERRATEC Earth Pressure Balance (EPB) Tunnel Boring Machine has been delivered to a Joint Venture between Hindustan Construction Company Ltd. of India and Vensar ... More Information

VIRTUAL HRBT Expansion Project Construction Open House

VIRTUAL HRBT Expansion Project Construction Open House

With the start of the New Year, the HRBT Expansion Project begins new construction activities. You are invited to learn more during a Virtual Construction Open House to learn about upcoming ... More Information

SaMoTer: 31st edition postponed to 2023

SaMoTer, Veronafiere's triennial international construction machinery exhibition, will now take place in March 2023. In 2021 they will showcase a new in-quarry demo event:  the format will be ... More Information

Western Harbour Tunnel & Warringah Freeway Upgrade gets approval

Western Harbour Tunnel & Warringah Freeway Upgrade gets approval

The Western Harbour Tunnel and Warringah Freeway Upgrade (the project) - proposed by Transport for NSW - has been approved by the NSW Government (the Minister for Planning and Public ... More Information

TBM Alice begins digging towards Central Business District

TBM Alice begins digging towards Central Business District

TBM Alice has begun its journey beneath St Kilda Road and the Yarra River, to connect the Metro Tunnel’s new Anzac and Town Hall stations in Melbourne, Australia. It follows the December ... More Information

Epiroc supports new world standard in sustainable underground mining with yet another battery-electric order

Epiroc supports new world standard in sustainable underground mining with yet another battery-electric order

In Kiruna, Sweden, tests are ongoing to set a new world standard for sustainable mining. In the process to achieve this, LKAB has ordered industry-leading battery-electric vehicles from Epiroc to be ... More Information

Breakthrough on DTSS Phase 2 for Penta-Ocean Koh Brothers JV

Breakthrough on DTSS Phase 2 for Penta-Ocean Koh Brothers JV

In December TBM Buroh (diameter 4.6 m) completed the 1.3 km first tunnel drive of the DTSS Phase 2 in Singapore (Contract T-08).  As part of DTSS Phase 2, the existing tunnel system will be ... More Information

Harding Prize Entry

Harding Prize Entry

Press release - Applications are now sought for this year’s BTS Harding Prize. The competition is open to all tunnelling engineers of the age of 33 or below at the end of the previous year. ... More Information

Updates for the metro line 11 extension in Paris

Updates for the metro line 11 extension in Paris

Since the launch of TBM Sofia at the beginning of 2020, all construction sites for the future stations of the line 11 extension have been focused on the passage of Sofia through the station ... More Information

BTS January Meeting : Three Great Challenges - Experiences from TBM Tunnelling in Difficult Ground

On Thursday 21st January 2021 at 18:00 hrs [GMT] Online at : https://youtu.be/SN3htCiU3FA  Lok Home – President, The Robbins Company will be hosting a webinar on youtube called Three ... More Information

Pawtucket Tunnel Project

As part of the program to improve water quality in Narragansett Bay, the Narragansett Bay Commission has issued to CB3A joint-venture notice to proceed with the work on the Pawtucket Tunnel Project. ... More Information

Mumbai coastal road - TBM Mavala Launched

On the 11/01/2021 the official launching ceremony for the TBM named Mavala was held, to see the ceremony please click here for the video. The TBM will dig the 3.45 km twin tunnel from Princess ... More Information

Last Tideway TBM begins journey

Last Tideway TBM begins journey

The team on TBM Selina at Chambers Wharf has broken ground on the final 5.5km stretch of the super sewer.   The machine is the last on the project to get underway journeying from Bermondsey to ... More Information

Final breakthrough for TBM Krishna 1 on metro line 3 in Mumbai

Final breakthrough for TBM Krishna 1 on metro line 3 in Mumbai

TBM Krishna 1 has reached the Dadar Metro Station: it’s the 35th breakthrough on metro line 3 in Mumbai, click here for the video. With this, MMRC has successfully completed the 10.96-km long ... More Information

TBMs Launched for Railway tunnels in Lodz

TBMs Launched for Railway tunnels in Lodz

At the end of 2020 two TBMs Katarzyna and Faustina began their tunnelling journey between the Lodz Fabryczna station and Lodz Kaliska e Lodz Zabieniec in Poland.    Katarzyna - the ... More Information

Press release - Implenia wins major order for A7 Altona Tunnel in Hamburg

Implenia, together with project partner HOCHTIEF, has been awarded the contract to build the 2.2-kilometre-long Altona noise protection tunnel on the A7 motorway in Hamburg. The net contract is ... More Information

Cross River Rail begins tunnelling

Cross River Rail begins tunnelling

TBM Else - the first of Cross River Rail’s two 1350 t TBMs in Brisbane - has been moved into position underground in the Woolloongabba site’s station cavern to commence tunnelling on the ... More Information

Tunnelling News

IN MEMORIAM - OLIVIER VION (1962-2024)

Through the past decades, the energy and foresight to lead the management of the ITA International Tunnelling and Underground Space Association has been in the hands of Olivier Vion, a man ... More Information

Amtrak awards construction contract for East River Tunnel rehabilitation

The $1.6 billion project calls for demolishing all existing tunnel systems down to the liner, then restoring both tubes. During the project, one tube ... More Information

Strabag in €110 million deal to equip transalpine tunnel

Austrian contractor Strabag has won a €110 million (US$120 million) to equip a transalpine tunnel linking Austria and Slovenia... More Information

19 tunnel boring machines for Manila subway set

A close-up of the tunnel boring machine head, with a diameter of 6.9 meters. ... The first cutter head of the first tunnel boring machine (TBM), named ... More Information

$16 billion Gateway Tunnel Project gets federal funding boost after years of delays

The $16.1 billion project includes a new rail tunnel linking New York and New Jersey — and is set to be open by 2035 ... More Information

Preferred bidder announced for second tunnelling contract

The global consortium of WeBuild S.p.A, GS Engineering and Construction Australia and Bouygues Construction ... Tunnel Project, North East Link ... More Information

Bechtel Picked as CM for $12.7B Single-bore BART Extension

Officials with the VTA are aiming to begin major construction and tunnelling for the $12.7-billion BART Silicon Valley Phase II Extension Project next ... More Information

Stonehenge could be put on world heritage danger list over tunnel plan

The United Nations Educational, Scientific and Cultural Organization (UNESCO) has recommended that Stonehenge be listed as ‘World Heritage in Danger’ due to the A303 upgrade scheme and is ... More Information

World’s longest railway tunnel to reopen after a year

The tunnel closed on 10th August last year following the derailment of a freight train, and SBB has since been pushing ahead with repair work... More Information

Afcons Infrastructure Wins Bid for Thane Tunnel Project

Afcons Infrastructure secures the L1 bid for a tunnel project in Thane, marking a significant milestone in infrastructure development. More Information

Kolkata Metro: D-Wall's Construction Work At Victoria Metro Station Is Advancing Swiftly

For the tunnelling work of the stretch from the Khidderpore to Park Street stretch of this Corridor, two Tunnel Boring Machines (TBM) will be deployed ... More Information

K2D Skøyen – Vækerø

Implenia has been awarded the contract for section K2D Skøyen - Vækerø, which is part of the entire Fornebu line that will be completed in 2030... More Information

Massey Tunnel replacement project hits design-build proposal stage

Tunnel replacement project has finally hit the design-and-build proposal stage. The Transportation Ministry announced Wednesday that three bid ... More Information

Barhale wins £36m East London sewer remediation

Thames Water has appointed Barhale to deliver essential remediation works on a Victorian gravity sewer as it passes above the Jubilee Line and Docklands Light Railway in East London... More Information

Reaping Rewards From Continuous Innovation

In boring underground tunnels for Malaysia's MRTs, Gamuda developed the world's first autonomous tunnel boring machine (A-TBM), utilizing in-house ... More Information

5 of the longest tunnels in the world and how they were built

Since the invention of the tunnel boring machine in 1853, engineers have used advanced technology to drill, blast, and bore into the earth. From ... More Information

Femern - inauguration of the first tunnel element

We are pleased to announce that H.M. King Frederik X will take part in the inauguration of the first tunnel element on the construction site on 17 June. H.M. King Frederik X will arrive at ... More Information

HOCHTIEF-MURPHY Joint Venture (HMJV)

A busy first half of the year on the HOCHTIEF-MURPHY Joint Venture (HMJV) Package 5 Headhouses & M&E contract on National Grid’s LPT Phase 2... More Information

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