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Breakthrough! Karangahape welcomes Dame Whina Cooper

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!

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

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

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

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

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 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

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

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

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

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

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

The TBM in Swinoujscie reaches Wolin Island

The TBM in Swinoujscie reaches Wolin Island

On 19/09/2021 TBM Wyspiarka, which started the Swinoujscie tunnel construction in March this year, broke through the wall of the receiving chamber - 35 m long, 19 m wide and 18 m high - on ... More Information

Press release - Tunnel progress as HS2 completes first mile under the Chilterns

The first enormous 2,000 tonne tunnelling machine passed the one mile mark this week during the construction of the first tunnels for HS2 - Britain’s new high speed rail link between London, ... More Information

Mapei - Concrete restoration and waterproofing systems on existing tunnels

Mapei - Concrete restoration and waterproofing systems on existing tunnels

Maintenance of underground infrastructure is one of the most important issues for the construction market. Nowadays, maintenance includes priority activities, in order to maintain the value of ... More Information

Gotthard Road Tunnel update

On the 29/09/2021 in Goeschenen and Airolo the works for the second tube of the Gotthard motorway tunnel were officially opened. This was a symbolic ceremony, because the original celebration was ... More Information

hyperTunnel – tunnelling reimagined

hyperTunnel – tunnelling reimagined

Innovation born out of necessity: the launch of hyperTunnel will see tunnels built completely differently in future, for huge global societal benefit. hyperTunnel is a new British tunnelling ... More Information

Factory Acceptance Ceremony for STRABAG’s 12m EPB TBM

Factory Acceptance Ceremony for STRABAG’s 12m EPB TBM

The Factory Acceptance Ceremony for STRABAG’s 12m EPB TBM took place yesterday at the Herrenknecht AG workshop in Schwanau, Germany. The TBM will tunnel the Metrolinx & Infrastructure ... More Information

Tianxi Expressway - Weilan Tunnel Completed

On 17/09/2021 the Weilan Tunnel part of the Guangxi Tianxi Expressway project invested in and constructed by Energy China Gezhouba Group successfully achieved a full-scale break ... More Information

Brenner Base Tunnel - Update of Total Project Costs

On the 07/09/2021, after the approval of the updated construction programme, approval was also obtained for the total costs of the BBT project, which had been updated to take the following issues ... More Information

Third breakthrough for Suki Kinari hydropower project in Pakistan

Third breakthrough for Suki Kinari hydropower project in Pakistan

On the 25/09/2021 a ceremony was held to celebrate the third breakthrough of headrace tunnel for the 884 MW Suki Kinari Hydropower Project. The project  has been under construction since 2017 ... More Information

STRATA Worldwide launches new website

STRATA Worldwide launches new website

From their early beginnings in underground coal mining roof support, STRATA has evolved into a leading global provider of advanced products and technologies in multiple industries. “Our ... More Information

Namma Metro - TBM URJA Tunnel Breakthrough at Shivajinagar metro station

On 22/09/21 Urja, the first TBM for the Namma Metro's Reach 6 line made a breakthrough at Shivajinagar, after completing the north bound tunnel of 855 m from Cantonment to Shivajinagar stations: ... More Information

MineARCs - Chamber Commissioning & Everything You Need To Know About It

MineARCs - Chamber Commissioning & Everything You Need To Know About It

Purchasing a MineARC chamber is an investment in ensuring that your crew are safe in the event of a disaster, but simply purchasing a chamber is only the first step in this process. A big part of ... More Information

T&M SPECIALISTS AWARDED A PERMANENT SPRAYED CONCRETE LINING PROJECT IN HONG KONG.

T&M Specialists Limited, established in Hong Kong in 2014, are delighted to announce they have been awarded a Permanent Sprayed Concrete Lining project.  Taking part in Hong Kong’s ... More Information

iPS Powerful People at British Tunnelling Society Conference and Exhibition

iPS Powerful People at British Tunnelling Society Conference and Exhibition

Our Business Development Manager Tunnelling Barrie Willis and our Manager Tunnelling Sam Merrick will be attending the British Tunnelling Society Conference on September 30th and October 1st in ... More Information

Hudson Tunnel Project Financial Plan and Record of Decision

At the end of August, the Gateway Program partners submitted an updated financial plan for the Hudson Tunnel Project to the Federal Transit Administration (FTA) that should improve the project's ... More Information

Boreas Tunnelling are hiring multiple TBM operators

Boreas Tunnelling are hiring multiple TBM operators

Boreas Tunnelling are recruiting multiple TBM Operators that have verifiable long term experience in operating a Herrenknecht EPB TBM (Diameter 10.0 and above) for a long term job in South East ... More Information

Slurry Treatment Plant (STP) Manager wanted

Slurry Treatment Plant (STP) Manager wanted

TunnelCraft are looking for a Slurry Treatment Plant (STP) Manager for a large UK based tunnelling project. The successful applicant will be working alongside the Tunnelling site team to ensure ... More Information

PPS and tacs join forces again

After more than 30 years of going their separate ways, Munich based guidance system suppliers PPS GmbH and tacs GmbH have announced their merger and future cooperation. "The combination of our ... More Information

HRBT Expansion Project Updates

The HRBT Expansion Project reached several milestones in August. On the South Island, construction crews completed the underground concrete walls, also known as slurry walls, for the launch pit, ... More Information

Tunnelling News

Westmead metro station cavern formwork the biggest in the southern hemisphere

Crews are now retrieving the 1,200-tonne Tunnel Boring Machines (TBMs) that arrived beneath Westmead in September and October, lifting each machine ... More Information

Webuild: excavation begins on three tunnels for Salerno-Reggio Calabria HS/HC Railway

All four TBMs planned for Lot 1A Battipaglia–Romagnano section are operational with launch of latest three Joining TBM Partenope, already active, are Leucosia and Ligea, whose names were ... More Information

SELI Overseas: 75 Years of Tunneling with TBMs

From Channel Tunnel to the Brenner Tunnel: When Tunneling Is Synonymous with Innovation ... SELI TBM at work on the construction site... More Information

Road realignment is major step for HS2, says firm

HS2 Ltd A view of the realigned B4525 on an overcast day. · HS2 Ltd An aerial view of the construction of Greatworth tunnel showing major earthworks ... More Information

Amtrak has made real progress in East River Tunnel rehabilitation

The tunnel has been stripped down to the concrete liner. Westbrook was told the project isn't just about modernizing and replacing what was, but also ... More Information

Madrid invests EUR 123 million in new metro stations on Line 11

TBM Mayrit enters into action in 2026 · November 2025 – February 2026: assembly of the tunnel boring machine in Comillas Park (Carabanchel district) ... Facebook Twitter Flag as ... More Information

Jerusalem Light Rail Construction Advances Ahead of Major Tunnel Work

Local reporting on city project materials notes that “the plan calls for a 2-km underground tunnel to be built beneath the city center, including ... More Information

Why and how the Civil Works Alliance changed Sizewell C tunnel designs from Hinkley Point C

Ground conditions around Sizewell C have required intense collaboration between the project’s contractors alliance to come up with new outfall and intake tunnel design solutions... More Information

AI planning of the first railway tunnel through challenging terrain

AI plans first rail tunnel through tough terrain. Artificial Intelligence China Uses AI for the Construction of Railway Tunnels. 2025-12-08 ... More Information

Will Tunneling Projects Be The Next Big Thing For Mumbai's Public Transport?

During the interview, she also called tunnel boring machines the safest and one of the most efficient ways of doing tunelling. "Only the place of the ... More Information

Chipolbrok vessels deliver tunnel boring machines to Sydney and mineral bulk to Peru

Chipolbrok delivers TBMs for Sydney Metro on Chipolbrok Star and loads 29000t minerals in Peru on Taixing, showcasing fleet versatility... More Information

How Seequent's software solutions help to manage tunnelling data

The second phase of Singapore's Cross Island Line (CRL) metro project is under way, assisted by a suite of software from Seequent. Singapore's CRL is ... More Information

Muography to Transform Tunnel Safety Monitoring

Underwater bridge tunnels have become vital arteries for cities, enabling smooth vehicular passage beneath rivers, bays, and inland waterways. More than 200 of these structures operate ... More Information

10 longest tunnels in the world that reshaped global transportation

Modern tunnel construction involves sophisticated techniques, including tunnel boring machines and advanced geological surveying. The project ... More Information

Čučković: Construction of the tunnel boring machine for the Belgrade Metro in final phase

It is a good thing that we, for example, acquired these tunnel boring machines at a lower price than other countries... More Information

Serbia plans to borrow 2.5 billion EUR in 2026 for the construction of the Belgrade metro

It is also stated that two TBMs (tunnel boring machines), the so-called moles, have already been ordered and are expected to be delivered to ... More Information

VSM starts operation at Tilbury

The pioneering Vertical Shaft Sinking Machine (VSM) from Herrenknecht, named “Verena”, after Verena Holmes, a pioneering British mechanical ... More Information

Metrolinx reveals names of Ontario Line tunnel boring machines

Following a contest, Metrolinx has officially named its two massive tunnel boring machines Libby and Corkie... More Information

Montreal blue line metro tunnel boring machine has arrived, time to dig

It's basically building the backbone of the blue line extension,” said project chief Maha Clour, pointing out that crews have reached the bottom of ... More Information

Norway Unveils The World's Longest Road Tunnel In A Majestic Engineering Marvel

The construction cost broke down to about 38,000 NOK (roughly £3,500) per meter, an impressive figure considering the complexity and scale of the ... More Information

Sydney Metro West construction captured on video ahead of 2032 opening

Two giant tunnel boring machines have made their way through the deepest section of Darling Harbour as part of works on the new Metro West. More Information

Bengaluru's ₹18,000-crore tunnel road project inches closer as four major firms submit bids

Four firms bid for Bengaluru's ₹18000 crore tunnel project linking Hebbal to Silk Board, expected to ease city traffic by 2029 under a 34-year ... More Information

Webuild advances Rocchetta Tunnel excavation

Upcoming construction milestones. Webuild is preparing for the next major phase on the Apice–Hirpinia section: the launch of the reinforced concrete ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Kathmandu-Tarai Expressway achieves 43.3% progress

The total length of the seven tunnels under the project is 10.979 km. ... Construction progress for the Chandram Bhir tunnel. (2,250 metres) has ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Hong Kong: Robotics And AI Enhance Tunnel Construction

It is leveraging artificial intelligence (AI), robotics and automation to advance the Trunk Road T2 and Cha Kwo Ling Tunnel project. These ... More Information

Single-Bore Tunnel Method Chosen for BART Silicon Valley Phase II

This decision allows VTA to advance project design towards 60%, stay on a critical path to tunnel construction and meet the projected revenue service ... More Information

Boring Co. begins 'controlled blasting' for Nashville tunnel at TN capitol

The Boring Co. has started excavation work at a state-owned parking lot on Rose Parks Boulevard for the Music City Loop project Wednesday, Aug. 13, ... More Information

TBM arrives in Montreal for delayed metro extension project

A custom-built tunnel boring machine (TBM) has arrived in Canada for use on a 6km extension of the Montreal Metro... More Information

Spain Confirms Feasibility of €8.5 Billion Morocco-Europe Tunnel

The study was conducted by German company Herrenknecht, the world leader in tunnel boring machines, at the request of the Spanish government's ... More Information

TxDOT spends $748M to burrow bus-size tunnels under Central Austin

The first tunnel boring machine will be deployed near ... Industry experts say tunnel boring machines typically advance about 50 feet per day. More Information

6 TBMs on Duty on the 27-Kilometer Line in Körfezray

Two of the six Tunnel Boring Machines (TBMs) that will serve in the first 27-kilometer phase are actively excavating tunnels, while the ... More Information

Construction on HS2's Euston tunnel will start 'fairly soon', says rail minister

Construction on the HS2 tunnel from Old Oak Common station to Euston station will start “fairly soon”, the rail minister has said... More Information

Blue Line Extension TBM Arrives at Port of Montreal

Railway Track and Structures Construction site of the future Vertières station (Pie-IX) in June 2025. Caption and photo courtesy of STM. MONTREAL - The tunnel boring machine (TBM) ... More Information

Tunnel break through milestone for Mt Messenger Bypass project

A 110 tonne excavating machine, called Hinetūparimaunga, has broken through at the northern end of the project's 235 metre-long tunnel ... More Information

$3.9 billion tunnel and bridge link for VA

Costing around $3.9 billion, the Hampton Roads Bridge-Tunnel (HRBT) upgrade Expansion project for Virginia will improve traffic flow for a key ... More Information

Extended North Tunnel Flood Mitigation Project Receives $18.2 Million in State Funding

The funding advanced by the board includes a $17.2 million loan and $1 million grant for the construction of the mile-long tunnel, which will divert ... More Information

Gateway Project faces new uncertainty amid government shutdown

Federal funding for the $16B Hudson Tunnel Project, aka Gateway, has been paused during the government shutdown, sparking political backlash. More Information