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M4-M5 Link Tunnels: The Final Breakthrough

On the 5th of November 2021 the team excavating the M4-M5 Link Tunnels, completed their 13th and final breakthrough on the mainline tunnels. Road headers 43 meters below ground were used to ... More Information

Moscow – development of transport infrastructure update

By the end of 2021, 17.5 km of metro lines and nine stations in Moscow will have completed their construction. In this time frame the reconstruction of the Kakhovskaya station will also be ... More Information

B 23 Garmisch-Partenkirchen bypass - Breakthrough in the Kramer tunnel

On the 27.10.2021 the Joint Venture Kramertunnel, BeMo tunneling and Subterra, completed the excavation of the 3.5km Kramer tunnel on the B23, after 20 months of construction. The ... More Information

2021 ITA Awards: Registration is now open!

The ITA Awards 2021 - after the success of the 6 first editions of the ITA Tunnelling and Underground Space Awards, in Switzerland, Singapore, France, China, USA and last year as a digital event - ... More Information

Suburban Rail Loop East Inquiry and Advisory Committee

The Inquiry and Advisory Committee (IAC) invite submissions on the EES and draft Planning Scheme Amendment for the Suburban Rail Loop (SRL) East Project. The Suburban Rail Loop ... More Information

Sydney Metro West project - Make a submission for second EIS

The community can again have its say on the Sydney Metro West railway project, with the second Environmental Impact Statement for the mega project now on public exhibition. The latest ... More Information

Second Main Line, Munich - Planning documents for the eastern section are now available

The planning approval documents for the construction of the eastern section (PFA 3 East) between western bank of the Isar and Leuchtenbergring station, from km 107,853 to km 110.711, of the ... More Information

TRAYLOR BROS. AND STRATA WORLDWIDE BRING THE BORAID LINE TO TUNNELLERS

Traylor Bros. have selected Strata Worldwide as their exclusive distribution partner in bringing their Boraid® line of TBM products to the greater tunneling marketplace. Previously not ... More Information

FTA Releases Formal Intention to Expedite Funding for BART Phase II Project

VTA’s BART Silicon Valley Phase II Project achieved another major milestone to help advance the biggest infrastructure project in Santa Clara County history. VTA received a Letter of Intent ... More Information

TERRATEC delivers large Raise Borer to India

Recently, TERRATEC successfully completed the Factory Acceptance Testing of a custom TR3000C Raise Boring Machine (RBM). The event was held in the Company’s workshop in Tasmania, ... More Information

Press release - Longer tunnel for North East Link

Designs for the North East Link have been released with a longer tunnel to Watsonia, simpler underground interchanges, a new tree-lined boulevard for Greensborough Road, new green bridges and new ... More Information

Namma Metro – latest updates

M/s Larson & Toubro Ltd is working on the 2.884 Kms between Shivajinagar to Shadhi Mahal shaft section (RT-03 Package) with the two TBMs Urja and Vindhya. On the 13/10/2021 three weeks after ... More Information

Final week to register for HS2’s biggest ever supply chain event

With just two weeks to go until its biggest ever ‘Meet the Contractor’ event launches, High Speed Two (HS2) Ltd is making a final call for UK businesses to register their ... More Information

Sela Pass 'Main' Tunnel Completed

On the 14/10/2021 Defence Minister Rajnath Singh, carried out the last blast of the main 1555m long Sela tunnel (T2) at a ceremony in the West Kameng District of Arunachal Pradesh. ... More Information

Cross River Rail Roadheaders break through ahead of schedule

Two 115-tonne roadheaders recently broke through into the cavern of the future Boggo Road station two months ahead of schedule, marking yet another significant milestone for the transformational ... More Information

HS2’s first Midlands tunnelling machine name unveiled

The name of HS2’s first TBM on the northern section of Phase One has been unveiled. During a ceremony on the construction site, which is managed by HS2 joint venture Balfour Beatty VINCI, the ... More Information

TBM naming contests for Eglinton Crosstown West and Scarborough Subway Extensions TBMs

On 19/10/2021 Metrolinx introduced their naming contest for the 3 giant machines that will dig the tunnels for the Eglinton Crosstown West Extension and Scarborough Subway Extension in the Greater ... More Information

Latest News from Grand Paris Express Project

Line 15 East - Over night between the 6th and 7th of October, the head of TBM Sarah (almost 150 t) was transferred from the Finot structure in Saint-Ouen to the Agnes shaft in Aubervilliers, ... More Information

Local Precast factory launched for Snowy 2.0

Over the weekend Snowy Hydro and the principal contractor and factory operator Future Generation Joint Venture officially launched the new Snowy 2.0 precast factory in Cooma, where 130,000 concrete ... More Information

Breakthrough! Karangahape welcomes Dame Whina Cooper

On the 17/10/2021 Auckland’s City Rail Link (CRL) celebrated a mighty milestone with its TBM Dame Whina Cooper, breaking through 32 m below ground into the Karangahape Station construction ... More Information

Grand Paris Express - End of the tunnel for TBM Aby!

TBM Aby has broken through at the Villejuif Louis-Aragon station on Line 15 South. The TBM - that last March crossed the Vitry Centre Station - completed the 4.3km tunnel from the Arrighi ... More Information

TBM breakthrough on the Kemano hydropower project

A TBM has broken through to complete its journey for Rio Tinto’s Kemano T2 hydropower project in British Columbia. The Kemano T2 Project has completed a second tunnel to carry water into ... More Information

Women in Tunneling Happy Hour: Digging Deeper

UCA Women In Tunneling (WIT) invites you to join in conversation with some of the remarkable women in tunneling. Pour your favourite beverage and connect on Thursday, October 21st at 6:00 pm ET. ... More Information

Grand Paris Express –Line 18

On the 16/10/2021 an open day will be held from 6 p.m. to 11 p.m. for the launch of a new TBM for Line 18. This will be the second TBM for Line 18, whose name will be revealed during the site ... More Information

Second Main Line in Munich - Planning documents for the eastern section are now available

The planning approval documents for the construction of the eastern section (PFA 3 East) between the western bank of the Isar and Leuchtenbergring station, from km 107.853 to km 110.711, of ... More Information

iPS - Safety in tunnels and excavation

Tunnelling is essential underground construction that creates tunnels in many different applications for the benefit of the community. Did you know there are many safety hazards and risks involved ... More Information

BCL - Breakthrough for TBM Olga

On 08/10/2021 the TBM Olga - diameter 6 m - completed the right running single-track tunnel – 500 m long - between the Kashirskaya station and the transition chamber at the Klenovy ... More Information

T & M Specialists now in Canada

T&M Specialists Canada now offers a full range of tunnelling and mining specialist services throughout North America. As Hong Kong based T&M Specialists nears 10 years ... More Information

CEAR introduces their pressurized and ventilated containerized substation – ATEX certified

Press release - Costruzioni Elettrotecniche CEAR is proud to introduce to the market the ATEX certified pressurized and ventilated containerized substation, that is suitable for Hazardous Area ... More Information

Second Narrows Water Supply Tunnel - Canada

On the 04/10/2021 the joint venture between Aecon (40%) /Traylor Bros Inc. (60%) completed for Metro Vancouver excavation of the Second Narrows Water Supply Tunnel, located in North Vancouver, ... More Information

West Connex - M4-M5 Link Tunnelling update

Construction work on the M4-M5 Link Tunnels Project - part of WestConnex - the Australia’s largest road infrastructure project - restarted from 31 July 2021, undertaken 24 hours a ... More Information

Epiroc - Collaboration to develop an electric trolley truck system for underground mining

Epiroc, Boliden and ABB recently entered a joint collaboration to develop an electric trolley truck system for underground mining. This development project will lower CO2 emissions, improve work ... More Information

Tunnel Skills - Tunnel Vision

TunnelSkills – the national specialist training forum for the UK tunnelling industry – specialises in the application of immersive learning and new technology to improve training, ... More Information

1000th ring completed on Tideways Greenwich Connection Tunnel

The 1000th ring has been installed on the Greenwich Connection Tunnel by TBM Annie. The TBM is now 1.5km into the journey to Chambers Wharf in Bermondsey, where the Greenwich Connection ... More Information

Clearwater Project - TBM Rachel Launched

On 28/09/2021 TBM Rachel started its journey towards Royal Palm Beach for the Clearwater Project: at first, she’ll go slowly while systems are tested, but soon she’ll pick up speed ... More Information

Snowy 2.0 Project Updates

Following a brief pause in July to install the remaining gantries and connect the conveyor belt, Lady Eileen - the first TBM to start tunnelling - is now more than 160 m into the mountain. By ... More Information

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Tunnelling News

New game-changing tunnel boring, reef cutting 'meeting and beating' all expectations

UG2 reef at Bokoni is the target of the twin mobile tunnel boring and narrow reef cutter. Tunnelling will be done with the mobile tunnel borer for ... More Information

Mota-Engil CEO confirms winning bid for Santos-Guaruja tunnel

The company's subsidiary, Mota-Engil, has won the tender for the construction and operation of Brazil's first underwater tunnel, connecting the ... More Information

Metro Vancouver Utility Nearing Finish of $288M Annacis Water Tunnel

“Resilience is at the heart of this project,” said Nedim Alca, COWI's North America market director. “What makes this milestone so significant is not ... More Information

Fehmarnbelt: Danish tunnel portal nears completion

The work on the entrance to the Fehmarnbelt tunnel at Rødbyhavn on Lolland is almost complete. photo courtesy of The Fehmarnbelt Project. More Information

Final decision on airport tunnel 'now or never'

Alderman Jim Stevenson and City administrators are making a dramatic last push for the airport tunnel before construction on the new north/south ... More Information

Athens Metro Line 4 works to finish by 2029

The construction of Athens Metro Line 4 is progressing steadily, with the entire project ... Tunnel mistakenly excavated in Athens metro project. More Information

First trains on track to run through Metro Tunnel within three months

Melbourne's $15.5 billion Metro Tunnel could be switched on in as little as three months as construction wraps up at two CBD stations and trains ... More Information

Petersburg crews to begin tunnel project in response to ongoing flooding, damage - WRIC

As ongoing water issues have caused significant damage to infrastructure around Petersburg, the Old Towne neighborhood ... More Information

Intelligent optimization framework for tunnel construction

Tunnel construction forms the foundation of railway development and is essential for ensuring route continuity and operational efficiency. However, ... More Information

São Paulo positions TBM for next phase of Line 2-Green

A major milestone was reached on Monday (1 September) with the lowering of the cutter head of the tunnel boring machine (TBM) Cora Coralina... More Information

The 700-ton machine that'll dig NYC's Second Avenue subway extension

NYC has a new tunnel boring machine in its toolbox for the expansion of the line under 2nd ave. If you've never seen some BIG earth moving machines, ... More Information

Light at the end of the tunnel showing for Mount Washington transit project

The project is expected to be completed in October. New tracks finally emerge from the Mount Washington Transit Tunnel as a part of Pittsburgh ... More Information

Davao City Bypass South Tunnel hits breakthrough towards improved connectivity

The Construction Project with the ceremonial breakthrough of the southbound tunnel, marking the complete excavation from opposite ends of the ... More Information

Which companies are bidding for the US$2.3bn highway and tunnel contracts in Brazil?

The project in Brazil, as it will be the country's first underwater tunnel,” the person added. The project involves construction of a 1.5km tunnel ... More Information

US Northeast Rail Corridor Gets a Major Makeover with Tunnel and Bridge Replacements

This project is designed to replace tunnels severely damaged by Superstorm Sandy, ensuring smoother and more reliable service for Amtrak, NJ Transit, ... More Information

DPWH, JICA celebrate breakthrough of Southbound Tunnel in Davao Bypass

The event marked the successful connection of the tunnel's north and south ends. The ... More Information

Jacobs joins Ramboll on Marselis road tunnel project in Denmark

Danish Road Directorate senior project manager Michael Schmidt Vosgerau said: “It is a complex task to build a tunnel on one of the busiest access ... More Information

Planning continues for Midway Tunnel, Safe Streets for All projects

The Midway Tunnel project is a $13.4 million plan ... construction of a new overpass bridge and pedestrian and bicycle walkway above the tunnel. More Information

Four million tons of clay moved in HS2 excavation

Construction on HS2's second-longest tunnel started in October 2022. The rotating cutters cut away clay and other material at a rate of about 50ft ... More Information

Jacobs Has Design-CM Role on $640M Denmark Tunnel, With Ramboll as Key Consultant

Set to begin construction in 2028, Marselis Tunnel project is core component of the country's 10-year Infrastructure Plan 2035. By Emell D. Adolphus. More Information

Elon Musk's $760,000,000 plan to build underground tunnels beneath Houston, Texas

Elon Musk's next big construction plan from The Boring Company could build $760000 worth of tunnels beneath Houston to help with flooding... More Information

Kerala Moves Closer To Vizhinjam–Balaramapuram Tunnel Rail Project

The Kerala government is preparing to invite bids next month for the tunnel rail project linking Vizhinjam International Seaport with ... More Information

Norway's Ship Tunnel Project Under Threat as Costs Rise

New cost estimates suggest the ambitious project will far exceed its approved budget, raising questions about whether it will ever be built. More Information

Davao City Bypass southbound tunnel nears breakthrough

The Department of Public Works and Highways (DPWH) announced that the southbound tunnel of the Davao City Bypass Construction Project (DCBCP) is ... More Information

CA should pursue better alternatives to the costly Delta Tunnel Project Stocktonia

Governor Gavin Newsom is attempting to fast-track the construction of a massive, budget-busting water tunnel through the Delta to ship freshwater to ... More Information

Physical Origins of Shear Strength Fluctuations in Fault Gouges

Fault gouge is rock texture within fault zones that may include rock fragments (RF) and foliated structures. Previous studies have primarily focused on remould soils, the natural structure ... More Information

Webuild expands its role in high-speed rail projects

Four modern tunnel boring machines will be deployed to ensure precision and safety in complex geological conditions. Once completed, the old single- ... More Information

Hudson Tunnel Project advances as tunnel boring machines near completion

The Hudson Tunnel Project hit a key milestone as massive tunnel boring machines near completion, with delivery set for November. More Information

Nagdhunga tunnel in final stages of construction

If we look at the history of road construction and development in Nepal, there are various records of road construction starting from the Rana period. According to articles published in ... More Information

Boring of tunnel across Yellow River completed in China's Shandong

Constructed by using a "Shanhe" shield machine with a 17.5-meter excavation diameter, this double-deck, two-way, six-lane tunnel stands as the world's ... More Information

The £1.6bn plan for world's deepest underwater road tunnel leaving 'no room for error'

Opening of Rogfast tunnel under construction. The Rogfast tunnel will be the longest and deepest undersea road tunnel on Earth. (Image: SKANSA). A ... More Information

Tunnelling complete on NSW's Coffs Harbour bypass project

Tunnelling has been completed on the A$2.2bn (£1.1bn) Coffs Harbour bypass project in New South Wales, Australia, with the excavation of the third ... More Information

Veidekke acquires tunnel construction contract for Gothenburg's West Link Project

Veidekke has received a contract from the Swedish Transport Administration to build the Stora Hamnkanalen tunnel, a component of the West Link ... More Information

German Rail completes construction of Rastatt Tunnel

GERMAN Rail (DB) has completed civil works on the new 4270m twin-bore Rastatt Tunnel, a major component of the project to widen to four tracks the ... More Information

Final contracts signed for Eastern Freeway transformation

A huge amount of work is underway to build North East Link and upgrade the freeways – two tunnel boring machines are digging deep under Rosanna ... More Information

Progress on Sydney pipeline duplication

Bouygues Construction Australia and Rob Carr have launched a tunnel boring machine (TBM) on Sydney Water's Thornleigh pipeline duplication ... More Information

The latest plan to connect BART to downtown San Jose: One tunnel rather than two

When BART and Santa Clara Valley Transportation Authority first discussed plans to send trains rolling under downtown San Jose, transit officials contemplated a design with two tunnels ... More Information

Nashville Tesla tunnel: Here's when construction could start on the Music City Loop

Elon Musk's The Boring Company is currently in the design phase of constructing a tunnel connecting downtown Nashville to the Nashville ... More Information

World's longest underwater 'mega tunnel' to cost $46 billion but will halve 21-hour drive

Oddvar Kaarmo, the Rogfast project manager, cited additional motivation for the tunnel's construction: "The port at Mortavika is quite exposed and ... More Information

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