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West Gate Tunnel Project - Make your mark and name your twin tunnels!

You are invited to help name the West Gate Tunnel Project’s twin tunnels that will shape the future of travel for Melbourne’s west. As part of the Tunnel naming competition, you have the ... More Information

Chinese-made TBM Exported to the Solomon Islands for the First Time

Chinese-made TBM Exported to the Solomon Islands for the First Time

On February 17th, the TBM Shuangjing No.1 with an excavation diameter of 4.48 m came off the production line at the second industrial park of China Railway Construction Heavy Industry Corporation ... More Information

TBM Breakthrough for the parallel Thimble Shoal Tunnel

TBM Breakthrough for the parallel Thimble Shoal Tunnel

The Parallel Thimble Shoal Tunnel Project at the Chesapeake Bay Bridge-Tunnel reached a significant milestone on Monday, January 27, 2025 when the Herrenknecht TBM Chessie - measuring 13.26 m (43.5 ... More Information

Swiss Tunnel Day

The Swiss Tunnel Day (STDay) will take place for the first time in Biel on the 12th  June 2025. This new format will allow participants to learn about and discuss the most important and recent ... More Information

Launched two TBMs  for the Second Gotthard tunnel

Launched  two TBMs  for the Second Gotthard tunnel

In Airolo (Ticino), the Marti 2TG Consortium—comprising Marti Tunnel AG, Mancini & Marti SA, and Ennio Ferrari Impresa Generale SA—launched TBM Paulina. This Single Shield TBM has a ... More Information

Dubai Strategic Sewerage Tunnels (DSST) project

Dubai Municipality is preparing to launch the tender process for the initial two packages of the $22 billion Dubai Strategic Sewerage Tunnels (DSST) project.  According to previous reports by ... More Information

Italy/Veneto – Completion of the San Martino Buon Albergo Tunnel Excavation on the HS/HC Verona-Vicenza Line

The excavation of the San Martino Buon Albergo tunnel, a key structure on the HS/HC Verona-Vicenza railway line, has been successfully completed. The tunnel, located in San Martino Buon Albergo in ... More Information

Sydney Metro – Western Sydney Airport: Celebrating the completion of tunnelling and excavation

Sydney Metro – Western Sydney Airport (SM–WSA) has reached a significant milestone, with all major tunnelling and excavation work for the project now completed, including 9.8 kms of ... More Information

Breakthrough for Kanpur metro line 2 in India

Breakthrough for Kanpur metro line 2 in India

On 23/01/2025 the KPIL and Gulermak joint venture  achieved a significant milestone for the Kanpur metro line 2, KNPCC-11 package. The TBM EPB Gomati which is 6.6m diameter and built by ... More Information

Six contractors set to bid for Stad ship tunnel in Norway

The following six contractors - two from Norway, one from France, one from Spain/Norway, and two from China - have expressed interest in the construction of the Stad ship tunnel: Joint ... More Information

Italy/Trentino Alto Adige – Good progress on the construction of the Castelbello-Colsano ring road

The construction work on the 3.36 km Castelbello-Colsano ring road, 2,494 m of which are in tunnels, is proceeding at a rapid pace, with the aim of ensuring its completion by the end of the ... More Information

Philippines - DPWH Accelerates Davao City Bypass Construction Project

Philippines - DPWH Accelerates Davao City Bypass Construction Project

The Department of Public Works and Highways (DPWH) is advancing steadily on the 45.5km Davao City Bypass Construction Project (DCBCP). The P13.230 billion DCBCP Contract Package I-1 -  awarded ... More Information

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

Tunnelling News

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

In pics: construction site of Chongming-Taicang tunnel

A smart assembling vehicle works at "Linghang" large diameter shield tunneling machine at the construction site of the Chongming-Taicang tunnel, part of the Shanghai-Chongqing-Chengdu ... More Information

IN PICTURES: Spectacular images of the removal of HS2's huge tunnelling machine

TBM Sushila was used to construct part of the Northolt Tunnel – an 8.4-mile tunnel ... construction/london-tunnels/progress-3/northolt-tunnel/tbm- ... More Information

Historic tunnels uncovered beneath Salisbury station during £5.3M upgrade project

Engineers from Network Rail and South Western Railway have uncovered a network of tunnels and rooms beneath Salisbury station during ongoing £5.3M upgrades to the station’s forecourt... More Information

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels. The new road will pass through Georgia along a trade route ... More Information

Buca Metro Tunnel Excavations Reached 50 Percent Level

Important progress is being made in the construction of the line, where four tunnel boring machines (TBMs), each 100 meters long, 7 meters wide and ... More Information

'Very promising' narrow-reef boring technology nearing rollout stage

A novel tunnel boring machine (TBM) will open up Bokoni's narrow tabular dipping PGM orebody to allow narrow-reef boring to take place, so that ... More Information

A vast undersea tunnel is being built

The 7.4 billion-euro ($7.7 billion) project is a huge undertaking, in every sense. Each section of the tunnel is colossal. These concrete structures ... More Information

National Grid gets planning permission for Grain to Tilbury upgrade with new Thames tunnel

National Grid has secured full planning approval for the Grain to Tilbury project, which includes a new power tunnel under the River Thames... More Information

Right track tunnel of Huangjialing Tunnel in NW China's Gansu drilled through

A staff member works on the construction site of the right track tunnel of the Huangjialing Tunnel in Linxia Hui Autonomous Prefecture, northwest ... More Information

Shetland Islands tunnels plan takes 'huge step forward' with sonar investigations

This phase will further inform the project's development and feasibility. The tunnel project, seen by locals as pivotal for improving ... More Information

Construction of the Tarande tunnel begins next week

On March 17th, in Vilnius district Construction of a tunnel and other related infrastructure will begin at Taranda and Bukiškis. This project aims ... More Information

Delhi Metro's Golden Line achieves major tunnel breakthrough;

The construction of Delhi Metro's Golden Line achieved a major milestone on Thursday as the Tunnel Boring Machine (TBM) broke through at the ... More Information