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Grand Paris Express – Excavation of Line 16 completed

Grand Paris Express – Excavation of Line 16 completed

After more than four years of work and the use of seven TBMs, the tunnel of Grand Paris Express Line 16 is now fully excavated.  On Monday, 26 February 2024, the TBM Houda reached the Mare au ... More Information

The last HS2 TBM in the West Midlands starts digging towards Birmingham

The last HS2 TBM in the West Midlands starts digging towards Birmingham

On 05 March 2024 HS2 launched the last TBM to dig tunnels for the new high speed railway in the West Midlands. The 1,600 t weight and 125 m long TBM has started on its journey to dig the second bore ... More Information

Excavation of tunnel for Mularroya dam in Spain complete

On March 1, the joint venture Mularroya, composed of Acciona and Sacyr, celebrated the final breakthrough for the 12.6km-long water transport tunnel in the Mularroya dam project in the province of ... More Information

Excavation completed of Oural railway tunnel

Excavation completed of Oural railway tunnel

On 28 February 2024, Ferrovial on behalf of Adif completed the excavation using the drill&blast method of the new 1.9 km Oural tunnel (average advance was 5 m/day). The tunnel was built parallel ... More Information

CRCHI Slurry Pipe Jacking Machine Sets Sail for Colombia

CRCHI Slurry Pipe Jacking Machine Sets Sail for Colombia

In February, CRCHI (China Railway Construction Heavy Industry) completed assembly of its slurry pipe jacking machine in Changsha, China, successfully passing the acceptance inspection. This ... More Information

Call for Papers: World Tunnel Congress 2025 Focuses on Sustainable Future in Tunnelling

The World Tunnel Congress 2025 is excited to announce the Call for Papers for its upcoming congress to be held in Stockholm. Themed 'Tunnelling into a Sustainable Future,' the congress will ... More Information

Norway - Priority list for stone from Stad ship tunnel completed

The dimensions of the Stad ship tunnel are massive with a height of 50 m and a width of 36 m, in a length of 1,700 m. In total, more than three million cubic meters of solid rock must be removed ... More Information

Norway - Breakthrough was marked in the Åstunnel

 Norway - Breakthrough was marked in the Åstunnel

On 29 February at exactly 3 p.m a further breakthrough happened in the twin tube Åstunnel in Levanger municipality, on the E6 between Kvithammar and Åsen. Nye Veier is the ... More Information

Geofluid 2026: an even more international edition

Geofluid 2026: an even more international edition

Piacenza Expo is already at work for the new edition of GEOFLUID, the international exhibition of technologies and equipment for the exploration, extraction and transport of underground fluids, a ... More Information

Turin/Lyon – TELT's fifth TBM has been delivered

On February 29th, 2024  the fifth of the seven TBMs for the new Lyon-Turin railway line was delivered to the French-Italian group of companies ELYOT, consisting of Eiffage Génie civil ... More Information

BBT - New milestone for the TBM Ida on the H41 Sill-Pfons Gorge construction site

The TBM Ida in the H41 Sill-Pfons Gorge lot of the Brenner Base Tunnel is continuing its journey through the westbound line tunnel in a southerly direction.  On Sunday, 25 February 2024, ... More Information

Historic breakthrough for HS2’s longest tunnel

Historic breakthrough for HS2’s longest tunnel

HS2’s first giant TBM – which launched almost 3 years ago – broke through on 27 February at the end of her 16 km (10-mile) journey under the Chilterns, excavating the longest ... More Information

Hinkley Point C tunnels ready for connection to Bristol Channel

Hinkley Point C’s tunnels are ready for the connection to the Bristol Channel to be completed - marking a major step in the construction of the power station’s cooling water system. Six ... More Information

HS2 launches third TBM under capital building the Northolt Tunnel

On 25th February HS2’s London tunnels programme passed a major milestone as the third TBM being used as part of the project was launched.  TBM Emily, named after Emily Sophia Taylor who ... More Information

WTC 2025 - Call for papers

The World Tunnel Congress 2025 will focus on sustainability, innovation, and Tunnelling into a sustainable future. Researchers, academics, and professionals are invited to contribute to the ... More Information

BBT - Take part in choosing the names of the two new TBMs for the Brenner Base Tunnel

Until 12 noon today, 22 February, you can participate in the choice of names for the two 160 m long TBMs that will come into operation in autumn 2024 for the excavation of the Austrian Pfons-Brenner ... More Information

India - Hard Rock Double Shield TBM is belting along with its Continuous Conveyor on the Vishnugad-Pipalkoti Hydropower project

India - Hard Rock Double Shield TBM is belting along with its Continuous Conveyor on the Vishnugad-Pipalkoti Hydropower project

TERRATEC is delighted to announce that the Ø9.86m Hard Rock Double Shield TBM has made significant progress for the Vishnugad-Pipalkoti Hydropower Project in India. The machine excavated an ... More Information

Italy/Umbria-Marche – Guinza tunnel E78 works begin

On 12 February 2024, Anas and the contractor CEC - Consorzio Stabile Europeo Costruttori from Perugia started the works for the opening to traffic of the Guinza tunnel. The tunnel is between the ... More Information

Extending the Docklands Light Railway to Beckton Riverside and Thamesmead

Extending the Docklands Light Railway to Beckton Riverside and Thamesmead

Transport for London has considered several options to find the right public transport solution to serve Thamesmead and Beckton Riverside. These options were reviewed and compared based on cost, how ... More Information

Swiss Tunnel Congress 2024

The Swiss Tunnel Congress (STC) will be held from 5 to 6 June 2024 at the KKL in Lucerne. The excursions (Gotthard Road Tunnel, Gubrist Tunnel, Sihl-Lake Zurich Spillway Tunnel) will take place on 7 ... More Information

Small businesses win big with £millions more HS2 orders

Press release - Britain’s biggest construction project, HS2, is helping the UK’s small business community to thrive. New figures show HS2’s civils contractors doubled their total ... More Information

France - FAT passed for TBM Berthe de Puybusque for the Toulouse metro line C

A new milestone was reached on Thursday 25 January, with the factory acceptance of the Berthe de Puybusque TBM at Thieux. It will then be transported to the Line C worksite at La Vache during ... More Information

Chennai Metro - Launched TBM Pelican for Corridor 4, UG 02 at Panagal Park Station

Chennai Metro - Launched TBM Pelican for Corridor 4, UG 02 at Panagal Park Station

CMRL - Chennai Metro Rail Limited - in the presence of senior officials from CMRL, General Consultants, M/s AEON Consortium, and ITD Cementation - launched the TBM Pelican (S1075B)  that will ... More Information

TBM for new U2 metro line in Vienna is ready for delivery!

On January 31, 2024 Wiener Linien and the U2 17-21 consortium, consisting of Strabag and Porro Group, welcomed the news that a TBM  (120 m length and 1,200 t weight) to be used for the ... More Information

Intermat 2024 - The exhibition dedicated to durable construction solutions and technologies

Intermat 2024 - The exhibition dedicated to durable construction solutions and technologies

Intermat 2024 returns after a six-year hiatus due to the pandemic. It will take place in Paris from 24-27 April 2024, placing the themes of decarbonisation and digitisation at the heart of the ... More Information

TERRATEC Rock Slurry TBM excels in Mumbai Sewage Disposal Project

TERRATEC Rock Slurry TBM excels in Mumbai Sewage Disposal Project

TERRATEC is pleased to announce the successful deployment of its 3.85m Diameter Rock Slurry TBM in the Mumbai Sewer Disposal Project (MSDP) Stage-II - PST1. Executed through J. Kumar-MEPL JV, the ... More Information

Strata Worldwide Announces Equity Partnership and Global Distribution Agreement with Vernetzen

Strata Worldwide Announces Equity Partnership and Global Distribution Agreement with Vernetzen

PRESS RELEASE JANUARY, 2024 – NEWCASTLE, NSW, AUSTRALIA - Strata Worldwide, provider of advanced safety and underground networking technologies, has signed an Equity Partnership Agreement and ... More Information

Australia - Sydney Metro West updates

Australia -  Sydney Metro West updates

The last two of six TBMs, 1.3t in weight,  for the 24-km Sydney Metro West project between Westmead and the Sydney CBD have successfully completed their Factory Acceptance Tests. These machines ... More Information

Press release - Completion of HS2 logistics tunnel paves the way for high-speed line to Euston

Press release - Completion of HS2 logistics tunnel paves the way for high-speed line to Euston

HS2 today (Tuesday 23rd January) celebrated the breakthrough of a tunnelling machine into its underground Old Oak Common station – marking a key milestone in plans to eventually carry the ... More Information

Scaleres tunnel’s TBM assembled

In the ongoing construction of the Scaleres tunnel's the Tunnel Boring Machine (TBM) on the Fortezza-Verona line in Italy, SELI Overseas, a specialized subcontractor for the Munich-Verona railway ... More Information

The TBM for the Taormina tunnel excavation reaches construction site

The TBM for the Taormina tunnel excavation reaches construction site

Between the nights of January 9th and 10th, 2024, the Tunnel Boring Machine (TBM) assigned to excavate the dual-tube Taormina tunnel (6.2km) for the High Capacity Catania-Messina Rail Line, ... More Information

FAT passed for the second TBM to be involved in Palermo-Catania Railway Lot 4B

On January 19, 2024 the second TBM to be involved in the excavation of the new Palermo-Catania railway Lot 4B (Enna - Dittaino section) passed its FAT at the Changsha ... More Information

Early Bird Price for WTC2024 registration ends tomorrow!

It’s a three month countdown to the opening of the World Tunnel Congress 2024!  The early bird price for WTC2024 participation has been extended to January 20, 2024! With a discount ... More Information

Norway - three companies prequalify for the Fv 609 project between Heilevang and Hestvika

The Vestland County Council has now decided the following three suppliers who will be invited to submit bids and participate in further negotiations for the contract about levelling of county road ... More Information

SAIE Bologna 2024

SAIE Bologna 2024

Participating with your company in SAIE Bologna 2024 presents a valuable opportunity to capitalize on emerging market prospects. The promotional rates available for registration will conclude on ... More Information

Ontario Line Pape Tunnel and Underground Stations contract

FCC, in a collaborative effort, has secured the development contract for the Pape Tunnel and Underground Stations as part of the Ontario Line, a forthcoming rapid transit system in Toronto, Canada. ... More Information

Tunnelling News

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

Tunnel Boring Machine Emily Passes Key Factory Test for DC Water Potomac River Tunnel Project

Tunnel boring machine (TBM), Emily. This test confirms that Emily is ready to begin excavating the southern leg of the Potomac River Tunnel — a ... More Information

Sydney Metro West achieves world-first in tunnelling technology

Sydney Metro West has achieved a world-first in tunnel construction with a Lining Erector Machine (LEM) successfully being used to line the mined ... More Information

Gateway construction continues despite Trump's claim of termination

Tutor Perini, the general contractor on the Manhattan Tunnel Project, confirmed construction activity is currently continuing as planned... More Information

Tunnelling complete for Annacis water supply project

Metro Vancouver has completed the tunnelling phase of the $450 million Annacis Water Supply Tunnel, which will complete in 2028... More Information

Santa Clara VTA confirms single tunnel plan for BART extension

With VTA now owning the tunnel boring machine, the agency assumes full responsibility for its performance, agency officials said. To manage the risk, ... More Information

Chennai: Tunnel Boring Machine Vaigai achieves breakthrough at Mandaveli Metro Station

CHENNAI: The Chennai Metro Rail Limited (CMRL) on Saturday achieved a major milestone in Phase II tunnelling works, as Tunnel Boring Machine (TBM) ... More Information

Trump 'terminates' $16 billion Hudson River tunnel project linking N.J. and N.Y.C.

President Trump said funding for the $16 billion Gateway Tunnel project is "terminated" at a press conference. New Jersey officials said they will ... More Information

$676 million underwater tunnel for India

The project is expected to cost around $676 million, with a Detailed Project Report (DPR) having now been completed. India's road transport network is ... More Information

€1.4 billion Belgian tunnel project approved

The first phase of the €1.4 billion project for Belgium’s new Limburg Noord-Zuid link has been approved. Construction should commence in 2027 on the project, which will form a section of ... More Information

Tunnel boring machine S-639B achieves breakthrough under Kanpur Metro Phase I Project

The package KNPCC-06 involves design and construction of a tunnel through TBM, cut and cover tunnel, underground ramp from Kanpur Central end of ... More Information

Lawmakers propose construction of undersea tunnel to link Luzon and Visayas

Several lawmakers from the Visayas region are proposing the construction of an underground tunnel that will serve as a permanent land connection ... More Information

Oman-UAE rail project hits major milestone with start of tunnel excavation

Tunnel excavation has begun in Oman's Al Hajar Mountains, marking a major milestone for the cross-border Oman-UAE Railway... More Information

Engineering the depths: innovative tunnelling for hydropower projects

Major schemes in Austria, China, and Germany are applying advanced underground construction techniques for hydropower projects. More Information

New tunnel, new standard: Silvertown project showcases innovation in surface protection

Originally approved in 2018, construction of the tunnel began in March 2021. In September 2023, following the completion of tunnelling works, ... More Information

Metro Manila Subway Project: DOTr launches third tunnel boring machine

Dubai: The Department of Transportation (DOTr) has launched a third tunnel boring machine (TBM) for the Metro Manila Subway Project (MMSP), ... More Information

Skanska JV wraps up $450M Baltimore tunnel nearly 2 years early

A joint venture has reached substantial completion on the $450 million Howard Street Tunnel Project in Baltimore nearly two years ahead of the original completion date, according to a ... More Information

Work continues on NYC megaprojects, despite $18B federal funding pause

Contractors on two of New York City’s largest infrastructure projects will keep digging, but they might glance over their shoulders toward Washington... More Information

HS2 Chipping Warden tunnel project moves step forward

HS2 Ltd An aerial view of the HS2 tunnel construction at Chipping Warden. A road HS2 Ltd. The 1.55 mile (2.5km) Chipping Warden tunnel will be ... More Information

First of three Tunnel boring machines on way to SA as beams go up for tram overpass

The first of three tunnel boring machines that will be used to complete the northern and southern tunnels project is on its way to SA as part of a ... More Information

Chennai Metro Rail's TBMs to begin tunneling between Thiruvanmiyur and Indira Nagar

Chennai Metro Rail begins tunnelling work in challenging stretch for phase II project, facing obstacles due to hard rock... More Information

Custom lifting gantry aids TBM removal - Construction Briefing

The four TBMs excavated the 8.4 mile (14 km) Northolt Tunnel section. Two went in each way, digging a pair of tunnels from both ends towards each ... More Information

Tunnel construction begins on Barskoon — Bedel road in Issyk-Kul region

According to the project, two tunnels, 5,340 and 3,840 meters long, respectively, will be built at Sook and Ashuu-Suu passes. They will be among the ... More Information

China debuts world's mightiest centrifuge, unleashing ultra-intense gravity

China leads the way in shield tunnelling machine development · Shield machine of south line of Yellow River tunnel starts boring in Jinan · A close ... More Information

Boring Company Launches Global Operations Control Center in Bastrop, Texas

The Boring Company has officially opened its new Global Operations Control Centre in Bastrop, Texas, the tunnelling start-up announced on X... More Information

Port of Longview Lands $35.9MM Federal Loan for Rail Expansion

Active Construction on New Hudson Tunnel Project Supporting Domestic Jobs and Economic Output ... Bridges/Tunnels, Class 1, Freight, Ports, Track ... More Information

TBM Parvati Achieves Breakthrough At Kakadeo Station Of Kanpur Metro Line 2

Brief Scope: Design and Construction of TBM Tunnel, Cut and Cover Tunnel, ramp after Double Pullia, ramps in Agriculture Depot for main line and ... More Information

Howard Street tunnel reopens ahead of schedule, boosting Baltimore's freight capacity

The Howard Street Tunnel has been reopened after being out of service since February 2025.The nearly 130-year-old tunnel extends north from Camden Yards to the Mount Royal Station and is ... More Information

Progress update on the Tunnel Boring Machine for National Grid

Following its launch in May this year, Buddug, the Eryri VIP tunnel boring machine (TBM) is making good progress digging the tunnel which will ... More Information

Mumbai-Ahmedabad Bullet Train Project Clears Major Hurdle

After months of delay, the tunnel-boring machine stuck in China is being shipped to India, clearing the path for underground construction of the ... More Information