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Clearwater project - New milestones for TBM Rachel

TBM Rachel, has completed 4.83 km (3 miles) of its 11 km (7-mile) journey towards Royal Palms Beach in San Pedro, California (USA) for the Clearwater Project. Click here for a video of the ... More Information

HS2 tunnelling in the capital passes the first Milestone

HS2’s first two TBMs in London, Sushila and Caroline, have completed the 1.6 km (first mile ) of the twin-bored Northolt tunnel  in the capital.  Since launch in November 2022, the ... More Information

Breakthrough for the new Tenda tunnel between France and Italy

On July 31, 2023 at 11.40 am a mechanical hammer broke through the 2 m thick diaphragm of the new Tenda tunnel between Italy and France.  The breakthrough is an important milestone in the new ... More Information

Snowy 2.0 Project – July Update

July marked an exciting milestone for Snowy Hydro, Snowy 2.0 and Future Generation Joint Venture - FGJV with the relaunch  of TBM Lady Eileen Hudson - one of the mega project's three TBMs - at ... More Information

TERRATEC TBMs continue to impress over long drives in in Argentina

TERRATEC TBMs continue to impress over long drives in in Argentina

The Río Subterráneo a Lomas tunnel project in Argentina is witnessing impressive progress with the advancement of two TERRATEC Ø4.66m EPB machines.  TERRATEC is pleased to ... More Information

CRCHI World's Largest Shaft Boring Machine Launches for the Underground Smart Parking Garage with World's Largest Diameter Vertical Tunnelling

CRCHI World's Largest Shaft Boring Machine Launches for the Underground Smart Parking Garage with World's Largest Diameter Vertical Tunnelling

Press release - On June 16th, with the 230 t main machine descending down to the bottom of the foundation pit, the world's largest shaft boring machine "Dream" launched at the underground smart ... More Information

Sydney Metro - Western Sydney Airport tunnelling kicks off

Sydney Metro - Western Sydney Airport tunnelling kicks off

On July 04, 2023 TBM Peggy began its journey at the future Airport Business Park Station, carving out the first 5.5-km sections of the second tube of the twin metro tunnels towards the Aerotropolis. ... More Information

Experienced TBM Fitters wanted - North West London

Experienced TBM Fitters wanted - North West London

Tunnelcraft are recruiting experienced TBM Fitters for one of their prestigious long running HS2 projects in Northwest London. Competitive rates paid plus accommodation. Candidates are to possess ... More Information

TBM Eileen completes first historic breakthrough for the Sydney Metro – Western Sydney Airport project

On 25/07/2023 the 1,066-t TBM Eileen reached the Airport Terminal metro station site, marking the first tunnel breakthrough for the city-shaping Sydney Metro – Western Sydney Airport ... More Information

Norway - Drilling through the Stad ship tunnel to examine the quality of the rock

The Norwegian Coastal Administration has started a new round of core drilling from the Kjøde side to examine the quality of the rock in the route for the Stad ship tunnel: a drilling rig ... More Information

Press release - Registration is open for visitors to EXPO Ferroviaria 2023

Registration is now open for visitors to EXPO Ferroviaria 2023, the biennial International Exhibition of Railway Technology, Products and Systems, which will take place from 3 - 5 October 2023 in ... More Information

A third TBM has been launched for the Sydney Metro - Western Sydney Airport

A third TBM has been launched for the Sydney Metro - Western Sydney Airport

Last week a third TBM has been launched for the Sydney Metro - Western Sydney Airport project at Orchard Hills.  The TBM is named after Catherine White, who has worked tirelessly to advocate ... More Information

Green light for major A303 upgrade past Stonehenge

Green light for major A303 upgrade past Stonehenge

Press release - The Government has given the formal green light by granting a Development Consent Order for the A303 Stonehenge scheme, which will help to unlock congestion and transform journeys ... More Information

Sydney Metro West - TBM tracker

The TBMs Daphne and Beatrice are driving the tunnels from The Bays to Sydney Olympic Park as part of Sydney Metro West: TBM Daphne already 327 m into its 11-km journey from The Bays to Sydney ... More Information

Sydney Metro - Western Sydney Airport tunnelling kicks off

Sydney Metro - Western Sydney Airport tunnelling kicks off

On July 04, 2023 two 1,066-t TBMs Eileen and Peggy started their journeys at the future Airport Business Park Station, carving out the first 5.5-km sections of the twin metro tunnels towards the ... More Information

TBM to be used for the E6 Rentvanns/Clean water tunnel passed its Factory Acceptance Testing

It’s a successful FAT for the TBM - 200 m long, 300 t weight and with a 7.08 m diameter - that will drive the 11.3km Rentvanns/Clear Water tunnel between Trosterud and Huseby for the NVO (Ny ... More Information

ICT Bids for DPR of Assam’s Tunnel Project Under Brahmaputra

Intercontinental Consultants and Technocrats Pvt. Ltd. is the only bidder to prepare a Detailed Project Report (DPR) for the 15.6 km Gohpur – Numaligarh tunnel project in Assam. This ... More Information

CRCHI Mega Slurry TBM "Jinghua" Completes the West Line Tunnel of Beijing East Sixth Ring Road Reconstruction Project

CRCHI Mega Slurry TBM "Jinghua" Completes the West Line Tunnel of Beijing East Sixth Ring Road Reconstruction Project

On June 28th, the Beijing East Sixth Ring Road Reconstruction Project reported that its slurry TBM "Jinghua" had successfully made a breakthrough on the west line tunnel. This marks that the first ... More Information

Press release - The first of TELT's seven tunnel boring machines for the excavation of the Lyon-Turin base tunnel unveiled

The companies together with the public promoter witnessed the trials of the machine that will excavate the next 9 km beneath Mont Cenis.   Schwanau (DE), 7 July 2023 - The first of the ... More Information

FAT complete for first Herrenknecht TBM for TELT

FAT complete for first Herrenknecht TBM for TELT

Today July 7th 2023 the FAT test  for the first Telt TBM S-1355 built by Herrenknecht is complete. The 10.415m TBM will drive the 9km North tube from St Martin la PORTE to La Praz, parallel to ... More Information

Press release - Loo Gardens: Hidden subterranean garden revealed in London’s Super Sewer

Press release - Loo Gardens: Hidden subterranean garden revealed in London’s Super Sewer

Today, Tideway unveils Loo Gardens – a magical subterranean installation – nested within the Thames Tideway Tunnel, also known as London’s ‘super ... More Information

From Linate Airport to downtown Milan in 12 minutes on the new M4 Metro Line

From Linate Airport to downtown Milan in 12 minutes on the new M4 Metro Line

From July 04, 2023 Milan’s Linate airport is now only 12 minutes away from the city centre following today’s inauguration of the San Babila Station, part of the new M4 metro line. The ... More Information

Mapei UTT - Massive contribution for waterproofing works on M4 metro line

Mapei UTT - Massive contribution for waterproofing works on M4 metro line

58 years after inaugurating Milan’s first underground railway line, six stations opened their doors last year on 26th November to passengers travelling on the city’s new line, the fifth ... More Information

Gateway Development Commission announced RfQ for 2 major pieces of Hudson tunnel project

Gateway Development Commission announced RfQ for 2 major pieces of Hudson tunnel project

The Gateway Development Commission (GDC) announced that it has issued a Request for Qualifications (RFQ) for two major components of the Hudson Tunnel Project:   Package EA1, the Hudson ... More Information

TERRATEC delivers a Rock Slurry TBM for Mumbai Sewage Disposal Project

TERRATEC delivers a Rock Slurry TBM for Mumbai Sewage Disposal Project

TERRATEC is pleased to announce the delivery of a 3.85m Rock Slurry Machine for the Mumbai Sewer Disposal Project (MSDP) Stage-II - PST1 in Mumbai, India J Kumar and Michigan Engineers Private Ltd. ... More Information

Press release - Femern A/S plans to retain the tunnel element factory at Rodbyhavn

When the production of the tunnel elements for the Fehmarn Belt construction is completed, the element factory at Rodbyhavn on Lolland is scheduled to be demolished. Together with the working harbor ... More Information

Ship Canal Water Quality Project Reaches a Major Milestone!

Ship Canal Water Quality Project Reaches a Major Milestone!

The Ship Canal Water Quality Project has been under construction since late 2018. On June 15 at 10:18 am the 5.48 m (18-foot) diameter TBM MudHoney, completed tunneling all 4250,74 m (13,946 feet) ... More Information

Tunnel to €500MM billion: The largest Rogfast contract is out on the market - the 3rd contract on the world's longest and deepest undersea road tunnel

Press release - Work to build the world's longest and deepest undersea road tunnel is well under way from Bokn in the north to Randaberg in the south. Now the third major contract has been ... More Information

HS2 unveils huge tunnel boring machine ready to dig HS2’s Bromford Tunnel in the West Midlands

HS2 unveils huge tunnel boring machine ready to dig HS2’s Bromford Tunnel in the West Midlands

The first images have been revealed of the huge tunnel boring machine (TBM) that will dig HS2’s Bromford Tunnel, between Water Orton in North Warwickshire and Washwood Heath in ... More Information

STRATA PARTNERS WITH BINNI TO BRING PRODUCTIVITY SOFTWARE TO TUNNELLING MARKET

STRATA PARTNERS WITH BINNI TO BRING PRODUCTIVITY SOFTWARE TO TUNNELLING MARKET

Press release - Strata Worldwide is excited to announce a new global partnership agreement with tunnelling software developer Binni. Under the terms of this partnership, Strata will bring ... More Information

WTC2023: the major tunnelling event concludes in Athens with three announcements

The World Tunnel Congress 2023 was successfully concluded in the city of Athens, Greece. The culmination of a week full of meetings, discussions and work on underground activities.  Placed ... More Information

Tunnel excavation starts for the Perca Bypass in Italy  

The Joint Venture Strabag AG, Alpenbau GmbH, Unionbau AG and Moser & Co have started work on the PERCA bypass after months of preparatory work during the winter. Excavation started at the east adit ... More Information

India – Second breakthrough at Agra Fort for Agra Metro Line 1 

On 02/06/2023 Uttar Pradesh Metro Rail Corporation (UPMRC) and the consortium Afcons Infrastructure  - SAM India celebrated the first tunnel breakthrough by the TBM EPB, named Ganga, for the Agra ... More Information

Updates on the North East Link in Melbourne

There was great progress digging out the area where the TBMs will be launched from near Lenola Street, Watsonia, for the North East Link – the missing link in Melbourne’s freeway ... More Information

The HRBT Expansion Project - TBM Mary launched

In April in the South Island launch shaft, the HRBT project team tested the electrical and hydraulic systems of the completely reconstructed TBM Mary. They performed final system tests before ... More Information

A fleet of JIMT/TERRATEC EPBMs gear up for Taiwan’s Taoyuan MRT Green Line

A fleet of JIMT/TERRATEC EPBMs gear up for Taiwan’s Taoyuan MRT Green Line

On behalf of its group company, JIMT, TERRATEC delivers the last two of four EPBMs that will be used by FUTSU-OBAYASHI-CEC JV (FOC JV) for the underground works on Taiwan Taoyuan Mass Rapid Transit ... More Information

Tunnelling News

World’s biggest developers eye bids for Dublin MetroLink contracts

A consortium made up of some of the biggest infrastructure developers in the world has formed in preparation to bid for contracts to build and operate the long awaited MetroLink rail line ... More Information

The Boring Company's Prufrock-3 completes Las Vegas tunnel

The tunneling startup did not share the length of the tunnel that ... construction projects with speed and automation. This is highlighted by ... More Information

Coastal road phase 2: Mumbai's second twin tunnel to pass under rivers, mangroves

As part of phase 2 of Mumbai's Coastal Road Project, a 22.93 km high-speed corridor linking Versova with Dahisar will be created. More Information

Rock tunnel for £1.7bn Norway road scheme takes shape

The consortium responsible for the construction of a new road system in Norway has excavated approximately 500m of a new 1.9km long tunnel... More Information

Tunnel boring machine reaches halfway point on HS2's route into Birmingham

Balfour Beatty VINCI is celebrating a key milestone in the construction of HS2's gateway to Birmingham. The joint venture today (Thursday 29 ... More Information

Gateway Development Commission secures $3.8B in funding for Hudson Rail Tunnel project

The money is the final funding piece for the $16 billion project to build a new rail tunnel that will carry Amtrak and New Jersey Transit trains under ... More Information

TBM Zelda starts on 6.5km Melbourne tunnel

The 4,000t machine is the first of two TBMs that will excavated a section of the project's twin road tunnels in the city's suburbs. Named after local ... More Information

Tunnels of the Future: Key Innovations and Projects at InnoTrans 2024

BBT SE, responsible for the construction of the Brenner Base Tunnel, will provide details on its ambitious project. This 55-kilometer tunnel is ... More Information

Hudson tunnel contract awarded

Webuild's Lane, ACS firms win $466 million Hudson Tunnel contract tunnels as part of the Hudson Tunnel Project in the New York City area, the Italian construction group said on Thursday. More Information

All women crew to build SRL tunnels

Crews are moving underground services and building tunnel boring machine launch sites, preparing sites for major construction. Suburban .. More Information

Officials break ground on one of world's longest underwater rail tunnels connecting 2 major cities

This tunneling project, which is part of the larger Mumbai-Ahmedabad HSR corridor spanning 315.66 miles, is part of an effort to reduce the ... More Information

Severn Trent unveils huge 25m deep new storm tank to ease flooding and prevent spills

Four tunnel boring machines were used to install the new sewer pipes under the town to minimise disruption, as well as lining 1km of old brick ... More Information

Here's how downtown Toronto's first subway tunnel in over 60 years will be dug

Crews are now drilling deep into the soil around the launch shaft ... Once piling is complete and this massive pit is dug, tunnel boring machines ... More Information

LTA awards S$199M contract for Maju-Clementi rail tunnels and S$400M for Cross Island

Construction will use a slurry tunnel-boring machine due to the hard sedimentary rock in the area. LTA has assured that rigorous safety measures ... More Information

Northside Interceptor Tunnel named after local environmental advocate

The machine will be named “Elaine” after environmental advocate Elaine Marsh. A tunnel boring machine is used to excavate tunnels through hard ... More Information

Tunnelling works complete on NI Water's £7.8m wastewater upgrade at Meadow Lane

The 25-tonne Tunnel Boring Machine (TBM) broke through to the new stormwater storage tank to complete this significant element of work. The new ... More Information

The longest railway tunnels in the world

The three rail tunnels have a diameter of 7.6 m, while the service tunnel has a diameter of 4.8 m. A total of 11 tunnel boring machines (TBM) dug the ... More Information

Reusing dirt and rock as we build the North East Link tunnels

As the TBMs dig underground, excavated dirt and rock is moved via an enclosed conveyor system that crosses high ... More Information

Nanjiao-Xichang section of tunnel

Guangzhou International Guangzhou International Recently, the right-line tunnel boring machine (TBM) tunnel of the Nanjiao-Xichang section (hereinafter referred to as the "Nanxi ... More Information

Fehmarn Belt Tunnel opening set for mid-2029

This reduces waste and simultaneously strengthens the supply security for the project by producing steel grids to size and on demand. Setting up for ... More Information

HRBT Expansion Project's first gantry extracted and lifted

Mary the Tunnel Boring Machine exited the tunnel and made her U-turn back in June. Work on the second tunnel will begin in September of this year... More Information

Gateway Board Forms Search Committee for CEO to Lead $16B Tunnel Project

The Gateway Development Commission, which leads the $16.1-billion Hudson Tunnel Project between New Jersey and New York, has launched a board ... More Information

Costain awarded £6.6m by Thames Water to upgrade Hertfordshire treatment sites

Costain, the infrastructure solutions company, has been awarded a contract with Thames Water to upgrade strategic treatment assets in Markyate and Brickendon in Hertfordshire... More Information

National Grid switches on first 2.5km circuit of £1bn London Power Tunnels 2

The LPT2 project has seen 32.5km of new tunnels bored under the capital city between Wimbledon and Crayford to host a new high voltage 275kV network. The 3m diameter tunnels were bored by ... More Information

_Goregaon-Mulund Link Road Nears Completion, Set To Cut Travel Time To 25 Minutes

The tunnels, which will be excavated using a tunnel boring machine with a diameter of approximately 14.2 metres, will be equipped with lighting ... More Information

Snowy 2.0 Tunnel Boring Machines Update

The Snowy 2.0 project continues to make significant strides with its Tunnel Boring Machines (TBMs) advancing the construction of critical ... More Information

Vancouver's Broadway subway tunnel boring equipment arrivin

The tunnels will serve all six stations of the Millennium Line SkyTrain extension project, from Great Northern Way to Arbutus Street. Each boring ... More Information

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