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Nepal - The Posta Bahadur Bogati (Bhimphedi-Kulekhani) Tunnel update

Bagmati Province government have decided to stop work on the Posta Bahadur Bogati (Bhimphedi-Kulekhani) tunnel construction as it was unable to build the tunnel itself and the federal government had ... More Information

Llogara tunnel – construction begins

On the 14/11/2021 the construction of the 5.9km Llogara tunnel officially started. The tunnel, on the road between Vlora and Saranda along the southern part of the Albanian Rivera, is planned ... More Information

Tideway - TBM Annie arrives at Earl Pumping Station

TBM Annie has reached the Earl Pumping Station site in Deptford. This marks the 2.2km point of an overall 4.5km journey from Greenwich Pumping Station to Chambers Wharf in Bermondsey. The TBM will ... More Information

Line 15 South -TBM Laurence reaches the Fort d'Ussy - Vanves - Clamart station

There's a new arrival on Line 15 South of the Grand Paris Express, after Camille in July and Aby last month, TBM Laurence has now completed its drive! On 11/09/2021 TBM Laurence – ... More Information

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

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Tunnelling News

Europe's $45BN Mega Tunnels through the Alps

Discover the record-breaking network of tunnels being constructed beneath the Alps. This video explores the top 6 longest tunnels in the region, .. More Information

AFRY secures contract for Switzerland's Twann Tunnel project

Construction oversight of the Twann Tunnel in the country. The tunnel on the Lake of Bienne is intended to ease traffic congestion in Twann by ... More Information

Line 5 Tunnel Project: Public comments now open for proposal to build under Straits of Mackinac

"The purpose of the project is to facilitate the construction of a tunnel beneath Lake Michigan bottomlands to replace the Line 5 dual pipelines ... More Information

ECRL Breakthrough: Genting Tunnel Becomes SEA's Longest Rail Tunnel

Genting Tunnel's construction used both Tunnel Boring Machines (TBM) and traditional drill-and-blast methods. The TBMs, built in China and ... More Information

Sydney tunnel factory creates 700 manufacturing jobs

The factory will support two of the largest tunnel boring machines (TBMs) in the Southern Hemisphere, set to arrive later this year. Once ... More Information

2.7 km Breakthrough Achieved in Bullet Train Tunnel

The tunnel also features a 7-kilometre undersea stretch beneath Thane Creek, a first of its kind in India. To ... More Information

Australian-first Sydney tunnel fabrication facility opens

The tunnel boring machines are expected to arrive in Sydney later this year, before being assembled deep underground below Birchgrove. They will ... More Information

ECRL Breakthrough: Genting Tunnel Becomes SEA's Longest Rail Tunnel

Genting Tunnel's construction used both Tunnel Boring Machines (TBM) and traditional drill-and-blast methods. The TBMs, built in China and ... More Information

4000-tonne machines dig arterial route under Melbourne's west

The West Gate Tunnel Project is in full swing beneath Melbourne's inner west, with tunnel boring machines (TBMs) Bella and Vida at the helm... More Information

Gotthard drilling machine gets no further - now it has to be blown up

Forced break in the Gotthard road tunnel: After 190 meters, the drilling machine working on the second tube has come to an end for the time being... More Information

Construction begins on 6 Cross Island Line Phase 2 stations

Tunnel Boring Machine measuring 12.8m in diameter. The machine will “bore through the ground only once for the construction of the tunnel which ... More Information

Tunnel boring machine returns after installing $22 million outfall

A 19.5 tonne tunnel-boring machine docked at Onehunga Wharf on Friday afternoon after successfully tunnelling the $22m Clarks Beach Outfall over ... More Information

Scarborough Subway Extension tunnelling progresses following maintenance stop

The remaining portion of the tunnel will be delivered by Scarborough Transit Connect, the development partner for the project's stations, rail and ... More Information

World's Deepest Underwater Tunnel to Have Cars Drive 16 Miles Under the Sea

Norway is building what is to become the longest and deepest road tunnel under the sea. The Rogfast project, measuring 26.7 kilometers (about 16.5 ... More Information

Tunnelling underway for National Grid’s 3.4km power tunnel in Snowdonia

The tunnel boring machine (TBM) Buddug has commenced excavation of National Grid’s 3.4km power tunnel in Wales’ Eryri National Park, otherwise known as Snowdonia. The tunnel is part of ... More Information

CPK signs contract for construction of HSR tunnel in Łódź

The contract for the construction of a 4.6 km long, 14-metre wide High-Speed Rail (HSR) tunnel will be carried out by construction company PORR. The project is valued at approximately PLN ... More Information

Underneath the busy Baltimore streets, the Howard Street Tunnel gets its makeover

A squad of construction workers descend daily under the streets of Baltimore. They labour deep down, in the semi-secret and highly restricted ... More Information

London Power Tunnels Milestone

We're thrilled to announce that our second 2.5km high-voltage circuit between Hurst and Crayford is now live. This £1 billion project is rewiring London, strengthening energy supply, and ... More Information

U.S. Tunneling Professionals Convene in Dallas at RETC 2025

The event drew approximately 1,400 people. Another highlight of the conference was the presentation of the now annual Underground Construction ... More Information

Construction of NY and NJ GatewayTunnel hits halfway mark

People are looking down at the ground from the Highline on Manhattan's West Side. Some parts of the new train tunnel structure ... More Information

Silicon Valley BART extension seeks new tunneling contractor

Silicon Valley BART extension seeks new tunneling contractor for construction. Maguire told reporters during a briefing Monday morning. He noted that VTA is trying to fill a $1.2 billion ... More Information

Tunneling In The Digital Age: Rethinking Subsurface Infrastructure

But successful construction is just the start of the journey. Underground infrastructure is a long-term investment—just look at the London Underground ... More Information

Sydney Moves Forward with Final Tunnelling for Harbour Project

Sydney prepares for the arrival of the largest TBMs in the Southern Hemisphere as the Western Harbour Tunnel project enters its final tunnelling ... More Information

Metrolinx seeks help to name 2 of its massive Ontario Line tunnel digging machines

Metrolinx is now accepting names for two of its giant tunnel boring machines (TBMs), which will be used for twin 16-metre-deep and six-kilometre-long ... More Information

Deutsche Bahn awards contract for Munich S-Bahn project

The contract involves structural works for the expansion, including the construction of tunnels and an underground station. The Tunnel Ostbahnhof JV, ... More Information

Excavation completed on Italian side of Brenner Base Tunnel

The tunnel boring machine (TBM) named “Flavia” successfully bored through the Alps beneath the Mules 2–3 section, reaching the Austrian border. More Information

Giant tunnel borer set for Shantou Bay project

A giant tunnel boring machine has been installed for tunnelling under Shantou Bay in Shantou, South China's Guangdong province. [Photo provided to ... More Information

€0.4bn road and tunnel project in Georgia

Work is proceeding on the Kvesheti-Kobi road and tunnel scheme in Georgia. The scheme is part of a larger project, being carried out with Chinese ... More Information

Lahore to transform with Rs49 billion tunnel boring project

Pakistan, April 27 -- The federal government has approved Lahore's Rs49 billion Tunnel Boring Project, marking a major development for the city... More Information

Construction at Cleveland Hopkins International Airport

The 2,100-foot-long tunnel connects the terminal to parking facilities and the tramway leading to the RTA public rail line. During the project, two of ... More Information

AFFHOLDER AND J.F. SHEA TEAM UP ON $700 MILLION CONTRACT

The tunneling subsidiary, Affholder LLC, will lead a joint venture with J.F. Shea Construction, Inc., to build the I-35 Capital Express Central ... More Information

Factory Testing Complete on DC Water's first tunnel boring machine for the Potomac River

Mary passed all the necessary requirements and is one of two TBM's on the project. The tunnel is part of DC Water's Clean Rivers Project, to ... More Information

Work on Chennai Metro tunnel racing to a finish

The machine Flamingo, which started boring in 2023 for the tunnel linking Light House with Thirumayilai, is expected to reach the other end in ... More Information

CPK awards contract to build high-speed rail tunnel in Lodz, Poland

The tunnel, to be constructed using a tunnel boring machine (TBM), will have a ... More Information

Inside HS2: Meet London's miners working on the Northolt tunnels

We are on a tunnel boring machine (TBM) inside High Speed Two's huge Northolt tunnels. These tunnel boring machines are part of a tunnelling ... More Information

Ontario Begins Construction Of Last Tunnel Segment Of The Eglinton Crosstown West Extension

The remaining eastern portion of tunnel construction (500-meter twin tunnels) will use the sequential excavation method, with daily progress of ... More Information

Norway is building the world's longest and deepest subsea road beneath its fjords

We have subsea road tunnels which have that construction. And the new tunnel between Germany and Denmark, there they are laying down cases and put ... More Information

CERN releases report on the feasibility of a possible Future Circular Collider

The estimated cost of construction of the FCC electron–positron stage, including the tunnel and all the infrastructure, is 15 billion Swiss francs... More Information

TBM break through on Auckland's £915M wastewater megaproject completes 16.2km tunnel

Auckland's major wastewater infrastructure project, the Central Interceptor, has reached a significant milestone with the final breakthrough of ... More Information

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