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TERRATEC 3.2m Diameter Open TBM ready for CIDCO Fresh Water Tunnel Project in Maharashtra

TERRATEC 3.2m Diameter Open TBM ready for CIDCO Fresh Water Tunnel Project in Maharashtra

TERRATEC is pleased to announce that its 3.2m diameter Open TBM is ready to commence work on the City and Industrial Development Corporation (CIDCO) Fresh Water Tunnel Project in Maharashtra. This ... More Information

Press release - Registration for WTC 2025 is open!

Press release -  Registration for WTC 2025 is open!

Secure your spot today and by registering before the 31st of January you can  take advantage of our early bird rates. While planning your visit, book your accommodation early and start ... More Information

BBT - New milestones for TBM Ida

BBT - New milestones for TBM Ida

Since May and June of 2023, the two TBMs Lilia and Ida have been working southwards on the Austrian H41 Sill Gorge-Pfons construction site of the BBT project. The excavation work is being ... More Information

Be a part of extending the Stockholm metro! Registration open for Supplier Day 2025

Be a part of extending the Stockholm metro! Registration open for Supplier Day 2025

Region Stockholm’s Extended Metro Administration invites you to the digital supplier day with focus on upcoming procurements in connection with the expansion of the yellow metro line, between ... More Information

Philippines – Camp Aguinaldo TBM launched for Metro Manila Subway Project

Philippines – Camp Aguinaldo TBM launched for Metro Manila Subway Project

The Metro Manila Subway Project (MMSP) continues to gain traction as the Department of Transportation (DOTr) and Armed Forces of the Philippines (AFP) launched on January 16th the operations for the ... More Information

Italy/Liguria - Ministry of the Environment approves VIA of the Val Fontanabuona tunnel

On January 10, 2025,  the Ministry of the Environment   approved with requirements the VIA (Environmental Impact Assessment) of the final project for the construction of the ... More Information

France – News from Toulouse metro line C

France – News from Toulouse metro line C

On Friday 20 December 2024 - in the presence of the authorities - Lise Enjalbert, the fifth and final TBM of the Toulouse metro Line C, was lowered into the shaft of the future Ponts-Jumeaux ... More Information

North East Link Tunnel Reaches The One Kilometre Mark

Tunnelling is powering ahead on the Allan Labor Government’s North East Link – with the first of two  4,000 t TBM having tunnelled more than one kilometre. The TBMs Zelda and ... More Information

AKTOR Romania Advances Brasov-Sighisoara Railway with Fourth TBM Deployment

Press release - AKTOR Romania, a subsidiary of the AKTOR Group, has activated its fourth tunnel boring machine (TBM) for the Brasov-Sighisoara railway project, marking a significant advancement in ... More Information

HS2 Construction Update - 2025

Click here for the 2025 project update which highlights the progress across 350 worksites between London and the West Midlands and it provides a snapshot of the huge progress HS2 is making ... More Information

Announced planned opening date of Silvertown Tunnel

Transport for London (TfL) and Riverlinx Limited, the consortium designing, building, operating and maintaining the new tunnel, have confirmed that the Silvertown tunnel - linking Newham to the ... More Information

TERRATEC EPBM achieves final breakthrough on Agra Metro Project in India

TERRATEC EPBM achieves final breakthrough on Agra Metro Project in India

TERRATEC, a global leader of tunnel boring machine (TBM) technology, celebrates a significant milestone on the India’s Agra Metro project. The 6.61m diameter Earth Pressure Balance Tunnel ... More Information

CRCHI Large Diameter Open-type Rock TBM Rolls off the Assembly Line for the South-to-North Water Diversion Project

CRCHI Large Diameter Open-type Rock TBM Rolls off the Assembly Line for the South-to-North Water Diversion Project

On November 22, the open-type rock TBM with an excavation diameter of 11.93 meters, the largest of its kind in China, rolled off the assembly line of China Railway Construction Heavy Industry ... More Information

TBM Hiwa-i-te-Rangi breakthrough for Central Interceptor tunnel NZ

On 17th December, the Ghella Abergeldie Joint Venture (GAJV) celebrated the arrival of the massive Hiwa-i-te-Rangi TBM in the Tawariki Street shaft in Grey Lynn as part of the construction of ... More Information

HS2 - TBM Sushila completes its 8.04 km excavation of Northolt tunnel

HS2 - TBM Sushila completes its 8.04 km excavation of Northolt tunnel

On 19th December 2024,  TBM Sushila - which is 160-m in length, with a cutterhead of 9.84 m in diameters and a weight of 2,050 t, reached Green Park Way vent shaft in Ealing, breaking through ... More Information

Tenders for the construction of the Szczecin bypass with a tunnel under the Oder begin in Poland

Press Release - The Szczecin Western Bypass (ZOS) on the S6 expressway will be nearly 50 km long, including a 5 km tunnel under the Oder River in the Police area - the longest road tunnel in ... More Information

North portal completed for BBT

North portal completed for BBT

As of December 2024, the Sill Gorge construction lot, which houses the north portal of the Brenner Base Tunnel, is officially completed.  There are already numerous infrastructures in the ... More Information

Ontario Line - First downtown subway tunnel work in more than 60 years

Excavation is now underway near Exhibition Station for the Ontario Line’s TBM launch site. A 16-m deep shaft will become the starting point for two TBMs that will dig a roughly 6 km pair of ... More Information

Final Stretch of TBM Flavia’s Journey: Last Kilometre of Excavation in the Western Main Tunnel

TBM Flavia, a colossal tunnel boring machine measuring 200 meters in length, weighing 2,750 tons, and powered by 4,200 kW, is nearing the completion of its excavation journey. Launched in April 2019 ... More Information

Breakthrough at Maa Anandmayee Marg Station for DMRC in Delhi Metro Phase-IV

Breakthrough at Maa Anandmayee Marg Station for DMRC in Delhi Metro Phase-IV

On December 5, 2024 the Delhi Metro Rail Corporation (DMRC) achieved a significant construction milestone in Delhi Metro Phase IV, Package DC-07,  with the completion of the longest tunnel ... More Information

India - Namma/Bangalore Metro’s Phase 3A Approved by Karnataka Government

After a cabinet meeting held on 6th December, 2024, Karnataka Minister of Law and Parliamentary Affairs, HK Patil, announced that Bangalore Metro Phase 3A project’s Detailed Project Report ... More Information

WTC 2026 - May 15-21, Montréal, Canada

WTC 2026 - May 15-21, Montréal, Canada

On behalf of the Canadian Tunnelling Association and the 2026 World Tunnel Congress Organizing Committee, I’m pleased to extend my warmest greetings and invite you to take part in this ... More Information

TERRATEC Tunnel Conveyors drive progress for Metro Manila Subway Project in the Philippines

TERRATEC Tunnel Conveyors drive progress for Metro Manila Subway Project in the Philippines

The Metro Manila Subway Project is thriving with the implementation of TERRATEC’s Continuously Advancing Tunnel Conveyors. TERRATEC Continuously Advancing Tunnel Conveyors are currently ... More Information

India - realignment approved for twin tunnels

Brihanmumbai Municipal Corporation (BMC) authorities earlier this week gave its approval to shift 600 m towards the eastern side the twin tunnels of the Goregaon Mulund Link Road (GMLR) project, ... More Information

TBMs nearly ready to dig Victoria's longest road tunnels

The 2 TBMs that will dig the North East Link road tunnels are a step closer to starting digging. The TBM cutterheads have been lowered into place in Watsonia.  Next, the TBMs will be tested and ... More Information

10th edition of ITA Tunnelling Awards – Winners announced

 10th edition of ITA Tunnelling Awards – Winners announced

The 10th edition of the ITA Tunnelling and Underground Space Awards took place on 28th  November 2024 in Genoa at the Magazzini del Cotone, Porto Antico , and was opened by Arnold Dix, the ITA ... More Information

STUVA-Expo and STUVA Conference 2025

One of the world's leading and largest events in the tunnelling sector - 113 companies have already booked their trade fair participation. The current demand to exhibit at STUVA-Expo 2025 in Hamburg ... More Information

Progress Update: Over 50% of Tunnel Boring Completed on Hanoi Metro Line 3

Progress Update: Over 50% of Tunnel Boring Completed on Hanoi Metro Line 3

As of July 30, 2024, the Hanoi Metropolitan Railway Management Board (MRB) has made significant progress in excavating tunnels for the Hanoi Pilot Light Metro Line 3, connecting Nhon and Hanoi ... More Information

ITA Awards day is almost here - Reserve your ticket and join the party!

ITA Awards day is almost here - Reserve your ticket and join the party!

Excitement is building towards the 2024 ITA Tunnelling Awards celebration in Genoa, Italy, on Thursday 28 November 2024  The day-long event will celebrate the 25 Finalists of ... More Information

HS2 reaches halfway point on key ‘green tunnel’

Press Release - Construction of the 700-metre-long HS2 Burton Green ‘green tunnel’ is now 50% complete, with 150 people supporting the build process The last year has seen completion of ... More Information

Norway - Stad ship tunnel out for tender on December 1st

The Norwegian Coastal Administration (NCA) plans to announce the tender for the Stad ship tunnel construction on December 1st 2024. The regulatory plans were completed at the end of October. NCA ... More Information

First TBM Debohra breakthrough for the U2 metro line in Vienna

First TBM Debohra breakthrough for the U2 metro line in Vienna

On 6th November TBM Debohra - length 127 m and weight 1,300 t -  has reached an important milestone for the U2 metro line in Vienna: after 240 m of underground work from Matzleinsdorfer Platz, ... More Information

Public comment period on Ballard Link Extension in United States, deadline December 9

Sound Transit has started the National Environmental Policy Act (NEPA) scoping process for the Ballard Link Extension. The extension will add 12.39 km (7.7 miles) of light rail service with ... More Information

Final breakthrough for the Rante tunnel on the Ourense LAV bypass

On November 8, 2024, Adif AV celebrated the completion of the Rante tunnel excavation on the new Tabodela-Seixalbo route, part of Spain's high-speed rail (LAV) network. This 3.4-km tunnel, built ... More Information

Snowy 2.0 Project – New milestone for TBM Lady Eileen Hudson

Snowy 2.0 Project – New milestone for TBM Lady Eileen Hudson

The Snowy 2.0 pumped-hydro megaproject has marked a significant milestone, with one of three TBMs, Lady Eileen Hudson, now two-thirds of the way through its second tunnel excavation. The TBM is ... More Information

Record Rewritten! Largest-Diameter Shield Machine "Jianghai" comes off production line in China

Record Rewritten! Largest-Diameter Shield Machine "Jianghai" comes off production line in China

On October 31, a ground breaking shield machine with an excavation diameter of 16.64 meters—the largest Chinese made —rolled off the production line in Changsha, Hunan. This machine will ... 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