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Donegal Tunnel Tigers Memorial

The @DonegalTunnelTigers are preparing to erect a memorial in honour of all Donegal miners that have died as a result of accidents while working in tunnels or those that have passed due to tunnel ... More Information

Blacklick tunnel ahead of Schedule

Blacklick tunnel ahead of Schedule

Press release from Michels - Final drive completed 3 months ahead of schedule. Congratulations to our crews, partners and customer for the successful completion of the final drive on the 4.5-mile ... More Information

Welcome to our new advertiser MineARC Systems.

Welcome to our new advertiser MineARC Systems.

MineARC is the global leader in controlled environments and safety technologies for the underground mining, tunnelling, chemical processing, disaster relief and biotechnology industries. MineARC ... More Information

Delivering Australia’s largest road infrastructure project – WestConnex

Delivering a multi-billion-dollar, multi-record-breaking infrastructure project under immense public scrutiny is no easy feat – but it’s part of the challenge for James Holbrook, ... More Information

Breakthrough under the San Martino Hospital of Genoa

Breakthrough under the San Martino Hospital of Genoa

On 8 October 2018 the joint venture between Cipa Spa (LEAD), Injectosond Srl and Paolo Barchi Srl finished the tunnel underneath the San Martino hospital in Genoa. The tunnel was created to ... More Information

Albula tunnel breakthrough

On the 2nd of October 2018 the 5860 m Albula Tunnel broke through, it is part of the Rhaetian Railway. The tunnel has been built between the Albula valley and the upper Engadine in the Canton of ... More Information

Chilean La Piramide tunnel starts construction

Chilean La Piramide tunnel starts construction

This October the drill & blast excavation of the 2km La Piramide tunnel in the Recolet municipality started . The tunnel is one of the sections of the Americo Vespucio Oriente I (AVO I) which ... More Information

First breakthrough for Mumbai’s Metro-3

On the 24.09.2018 the TBM Wainganga completed its first tunnel for the 33.5-km Colaba-Bandra-Seepz (Metro-3 line). The 1.26-km tunnel between Pali ground in Marol, Andheri (East) and the ... More Information

Palmieri Group launch new website

Palmieri Group launch new website

Palmieri Group launched its new website http://www.palmierigroup.com/ at the 22nd edition of Geofluid. Visit it the site today to see the changes that make the site easier to use and is full of ... More Information

The Mumbai Coastal Road Project (MCRP)

The 35.6 km long Mumbai/Bombay Coastal Road will connect the southern part of Mumbai from Marine Lines with Kandivali in the north. It will have 8 lanes, two of which are reserved for the Bus ... More Information

Huge Robbins Slurry TBM makes the Cut

Huge Robbins Slurry TBM makes the Cut

On September 18, 2018, a Robbins mega-sized slurry machine, measuring 13.7 m (44.8 ft) in diameter, made its first cut into hard rock. The epic launch at an urban jobsite was made possible by Onsite ... More Information

Quito Metro tunnel completed

On Tuesday, October 2nd ,  the Metropolitan Public Company Metro de Quito informed the public that the TBM Luz de America reached the El Arbolito extraction shaft, completing the Quito Metro ... More Information

NIB finances new section of E18 motorway in Norway

NIB and the Norwegian toll-road operator Ferde AS have signed a EUR 104.5 million (NOK 1 billion) loan with a maturity of 17.5 years to finance the construction of a new 23km section of four-lane ... More Information

ISAVFT 2019 - Call for Papers is now open!

The 18th International Symposium on Aerodynamics, Ventilation and Fire in Tunnels Call for Papers is now open! ISAVFT 2019 will be taking place in Athens, Greece from the 25th -27th of September ... More Information

OSSA - verdict announced

The verdict involving Ossa and Statens Vegvesen (Norway) has been announced. The Spanish firm Ossa, a specialist in the construction of underground works, has won an appeal against SVV (Statens ... More Information

West Section of Tel Aviv Red Line Completed.

West Section of Tel Aviv Red Line Completed.

On September 20, 2018, the last CREG TBM (ø 7.54m) successfully broke through into the Carlibach Station in Tel Aviv, Israel.  The project used 6 sets of CREG EPBs and the contractor ... More Information

WTC 2019

The deadline to submit papers for WTC 2019 has been postponed until September 23rd  2018. Papers should be submitted in Microsoft Word (.doc) and PDF (.pdf not zipped) and according to the ... More Information

RO-KA-TECH 2019

The bi-annually German underground infrastructure trade fair will take at the Kassel Exhibition Center from May 8th  to 10th, 2019. Around 300 exhibitors are expected from around 20 ... More Information

Palermo railway link tunnel complete

Palermo railway link tunnel  complete

RFI and the Italian-Spanish consortium SIS celebrated the breakthrough of the Notarbartolo-Belgio tunnel for the Palermo railway. The Marisol TBM (diameter 9,40 m) completed the tunnel excavation ... More Information

Karavanke railway tunnel

The Karavanke tunnel between Slovenia and Austria has been undergoing maintenance and renovation work. The complete renovation of the tunnel is scheduled to be finished between 2020 and 2021. The ... More Information

Mumbai - Two new metro projects approved

On the 11th of September 2018 the Maharashtra government approved the implementation of two metro projects for Mumbai: the Dahisar-Mira Bhayander section for the metro Line 9, and the 3.17 km ... More Information

WTC 2019 - Deadline paper submission postponed

The deadline to submit papers for WTC 2019 has been postponed to September 16th 2018. Papers should be submitted in Microsoft Word (.doc) and PDF (.pdf not zipped) and according to the official ... More Information

Innotrans 2018

The international trade fair for Transport Technology, Innovative Components, Vehicles, Systems will be held at the Berlin Messe from the 18-21st September, 2018. The European Commissioner for ... More Information

Robbins Crossover TBM “Rosie” flexes her Muscle

Robbins Crossover TBM “Rosie” flexes her Muscle

Massive XRE Machine breaks through at Akron OCIT On August 29, 2018, a 9.26 m (30.4 ft) diameter Robbins Crossover (XRE) TBM crossed the finish line at the Akron Ohio Canal Interceptor Tunnel ... More Information

AGJV Press release

AGJV Press release

Celebrations as the TBMS of The Follo Line breakthrough at the same time. The tunnel excavation in the Nordic region's longest rail tunnel has just reached its target towards Oslo city ... More Information

HERRENKNECHT Rock-solid tunnelling: double breakthrough on the Follo Line

HERRENKNECHT Rock-solid tunnelling: double breakthrough on the Follo Line

Royal double breakthrough in Oslo.  After about 9 kilometers each through tough gneiss, on Tuesday, September 11, 2018 the twin tunnel boring machines from Herrenknecht "Queen Eufemia" and ... More Information

CTS Cordes seals for tunnel construction

CTS Cordes seals for tunnel construction

For almost 60 years CTS Cordes tubes & seals GmbH & Co.KG (Division of CORDES Group) from Germany has been a reliable industry partner in providing sealing solutions for pipeline and ... More Information

West Gate Tunnel borer naming competition launched

Victorians will play an important part in the Andrews Labour Government’s Metro Tunnel and West Gate Tunnel projects, naming the six gigantic tunnel boring machines (TBMs) that will begin ... More Information

Designs unveiled for North East Link

The Andrews Labour Government today unveiled detailed designs for the North East Link – giving Victorians their first look at the state’s biggest ever road project. With the ... More Information

Open Tunnel Day: Ahrental - Aldrans - Ampass, September 16th, 2018

This year, you have the unique chance to visit the entire underground area between the Ahrental access tunnel, Aldrans and Ampass and to see the different steps required to build a tunnel lining ... More Information

SAIE - BIM & DIGITAL Awards 2018

In July this year the BIM & DIGITAL Awards 2018 were launched. The awards are part of the SAIE program taking place in Bologna, Italy from the 17th to the 20th of October 2018. The aim of the ... More Information

Update for Metro Line 1 in Turin

Work continues on the construction of the Turin Metro, the TBM Masha, completed the excavation of the Lingotto-Bengasi tunnel line 1, and has been dismantled and extracted from the back station of ... More Information

Follo line project - Live streaming of the breakthrough available

Press release from Bane Nor Follow the tunnel race in Oslo: The event will be streamed from inside the mountain hall and you are most welcome to take part in the event on this website, ... More Information

Underground Construction Prague 2019 – call for abstracts

Underground Construction Prague 2019 – call for abstracts

Abstract Submission Deadline - September 30, 2018 Method of Submission - please click here On-line Abstract Submission Form Guidelines for submission of abstracts All abstracts must ... More Information

Quito Metro update

On the 27.08.2018 the TBM ‘Luz de America’ reached the La Alameda Station, Line 1 of the Quito Metro. The TBM, started excavating from the Solanda Station in April 2017, and has driven ... More Information

Colombia - Toyo Tunnel project

Colombia - Toyo Tunnel project

The Toyo tunnel project includes 18 tunnels divided into two sections. On the 26.01.2018 FCC Construccion began building section one, this section will improve connectivity between Medellin and ... 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