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Press release - NCC to construct road and tunnel in Norway

NCC has been commissioned by the Norwegian Public Roads Administration to construct a new road and tunnel between Breivika and Lerstad in Ålesund Municipality in Norway. The order value is ... More Information

Sweden - blasting finished at Gullmarsplan station for the Blue Line extension

Sweden - blasting finished at Gullmarsplan station for the Blue Line extension

Blasting has concluded at Gullmarsplan station, marking a significant milestone for the extension of Stockholm's Blue Line. This expansion, branching from Kungstradgarden, will have two arms: one ... More Information

Italy/Sicily - FAT passed for TBM 1 destined for Palermo-Catania Railway

Italy/Sicily - FAT passed  for TBM 1 destined for Palermo-Catania Railway

Back in December the first TBM EPB - diameter 9.28 m - to be involved in the construction of the Enna-Dittaino section (Lot4B) for the Palermo-Catania railway, successfully passed its final ... More Information

India - Kaveri TBM tunnels under Adyar River for Chennai Metro!

The Chennai Metro project celebrates a major feat! On December 30, 2023 the TBM Kaveri successfully entered the Adyar River, marking the first-ever metro tunnel beneath its waters. This breakthrough ... More Information

Snowy 2.0 - Final breakthrough in the transformer hall cavern

Snowy 2.0 - Final breakthrough in the transformer hall cavern

Another major achievement for the Snowy 2.0 pumped-hydro project, breaking through the final three meters of the 223-m long transformer hall cavern crown. When completed, the transformer hall and ... More Information

TERRATEC EPBMs ready for Bangkok Metro Purple Line

TERRATEC EPBMs ready for Bangkok Metro Purple Line

In December, TERRATEC celebrated the successful Factory Acceptance Test of a new 6.39m diameter Earth Pressure Balance Tunnel Boring Machine (EPBM) which will be deployed for the construction of the ... More Information

HS2 on track for pivotal 12 months as high-speed railway takes shape

Press release - HS2 is preparing to enter a critical new phase with the development of state-of-the-art rail systems that will allow passengers to enjoy some of the world’s most reliable ... More Information

Construction firms sign $174M contract

Construction firms sign $174M contract for Howard Street Tunnel improvement project Swedish company Skanska and Illinois-based Fay Construction Co. have signed a $174 million contract with CSX ... More Information

Kanpur Metro’s Phase 1 project update

Kanpur Metro’s Phase 1 project achieved a significant milestone as Kalpataru Projects International Ltd. (KPIL), in collaboration with Gulermak, clinched the contract for Package KNPCC-11. ... More Information

New TBM for Mount Cenis Tunnel

On December 21st, 2023, at the Herrenknecht factory in Germany, the delivery ceremony was held for the first Tunnel Boring Machine (TBM) that will traverse the border between France and Italy for ... More Information

Significant milestone on the Sydney Metro West project

The joint venture between Acciona and Ferrovial achieved a significant milestone on the Sydney Metro West project, marking a first in the southern hemisphere. Two tunnel boring machines (TBMs) ... More Information

BBT - Updates on the Brenner Base Tunnel

Hochstegen: Another construction lot of the Brenner Base Tunnel is now complete  The Swietelsky Tunnelbau company, which in 2021 secured the EUR102 million contract for the construction ... More Information

TURIN-LYON - construction of the base tunnel starts in Chiomonte

TURIN-LYON - construction of the base tunnel starts in Chiomonte

The official commencement of the excavation for the Italian section of the Mont Cenis base tunnel, a pivotal part of the Turin-Lyon railway line, began on December 18, 2023, in Val di Susa. ... More Information

CRCHI "Channel Express" TBM breakthrough for Subsea in Singapore

CRCHI "Channel Express" TBM breakthrough for Subsea in Singapore

On November 22, Singapore witnessed a breakthrough in the TWRP Pipeline-C1 Tunnel, thanks to CRCHI's innovative "Channel Express" slurry Tunnel Boring Machine (TBM) which has a 6.87m diameter. This ... More Information

USA/Texas - The TBM Dallas completed the first tunnel for the PL19TUN project

The EPB TBM, named Dallas, launched last June has holed through on the 457.20 m (5100-foot) Cedar Creek tunnel. Which is part of the IPL Section 19 Long Tunnel Crossings project (PL19TUN) currently ... More Information

Snowy 2.0 tunnelling restarts at Tantangara

Snowy 2.0 tunnelling restarts at Tantangara

Tunnelling of the Snowy 2.0 headrace adit at Tantangara has restarted after a delay caused by soft ground conditions and the emergence of a sinkhole above TBM Florence.   The NSW government ... More Information

Press release - Second giant HS2 tunnel boring machine gets ready to start digging under Birmingham

Press release - Second giant HS2 tunnel boring machine gets ready to start digging under Birmingham

A team of 90 specialist engineers have completed the assembly of HS2’s giant tunnel boring machine (TBM) which will start digging the second bore of the 3.5 mile Bromford Tunnel into ... More Information

New tunnel world record set at Woodsmith project

Strabag UK, a civils contractor, has achieved an astounding feat in Yorkshire, setting a new world record for the longest single tunnel boring machine drive. Their groundbreaking achievement ... More Information

Press release - Lower Thames Crossing delivery team complete

National Highways has today (07 December 2023) announced that it has awarded Bouygues Travaux Publics – Murphy Joint Venture the contract to build the country’s largest bored ... More Information

TERRATEC TBM celebrates breakthrough on Chennai Metro

TERRATEC TBM celebrates breakthrough on Chennai Metro

TERRATEC TBMs achieve another breakthrough on the Chennai Metro Rail Phase-II Corridor 3, a 9km twin-tube tunnel (totalling 18km) in India. In November, TERRATEC proudly celebrated a breakthrough of ... More Information

9th edition of ITA Tunnelling Awards - List of winners is disclosed

Since 2015, the international competition seeks and rewards remarkable achievements in tunnelling and the underground industry. Organized by the International Tunnelling and Underground Space ... More Information

Turin/Lyon - TELT's third TBM

On 27/11/ a third TBM was completed at the Herrenknecht AG plant. The TBM is 10.5 m in diameter, 2000 tonnes in weight and 180 m long. It will excavate an 8.3 km section of TELT's Turin-Lyon base ... More Information

Registration for the Norway National Tunnel Forum 2024 is now open!

The registration for the National Tunnel Forum to be held on 6–7 March 2024 in Trondheim has now opened and will remain so until 5 January 2024. The event will start at 10.00 on Wednesday 6 ... More Information

HS2: Half of Chiltern tunnel cross-passage mining complete

The construction of the HS2’s longest tunnel - stretching for 16.09 km (10 miles) under the Chilterns - passed a key milestone this week with mining completed for 19 out of 38 emergency ... More Information

Advancing the Terzo Valico-Genoa Junction: RFI and Webuild Agreement

November 21, 2023, marked a pivotal moment as RFI and Webuild signed a Contract Rider valued at EUR 700 million. This agreement aims to ensure the seamless progression of the Terzo Valico dei ... More Information

Tuscany's Railway Progress: Serravalle Tunnel Unveiled

In a significant leap forward for Tuscany's railway infrastructure, the final stretch of the Serravalle tunnel, spanning approximately 1.6 kilometers, was demolished on November 22, 2023. This marks ... More Information

End of Project Major Equipment Auction Series

Lloyds Auctions are holding a massive tunnel, rail, civil, plant and equipment auction with over 900 pieces of big brand equipment in excellent condition on behalf of Systems Connect. Whether you ... More Information

The 2023 Tunnelling Awards

The 2023 ITA Tunnelling Awards event will take place on the 24th of November 2023, in Mumbai, India. The event will be held in conjunction with the TAI - Tunnelling Asia International Conference, ... More Information

TBM Anne lowered into launch chamber

On 17 November, 2023 the Skanska Costain Strabag Joint Venture completed the final lift of major TBM Anne components into the huge launch chamber in West London, under the lights of ... More Information

Snowy 2.0 Project – Updates

Snowy 2.0 is being engineered to deliver clean and reliable energy storage and generation for the next 150 years. The target date for commercial operation of all units is December 2028, with first ... More Information

World Tunnel Congress 2024

World Tunnel Congress 2024

Mark your calendars for the World Tunnel Congress 2024 (WTC2024), scheduled to take place from April 19th to 25th 2024 at the Shenzhen World Exhibition & Convention Center in China. Hosted by ... More Information

Stad ship tunnel - recycling of blasted stone planned

The Norwegian Coastal Administration has been commissioned to build the Stad ship tunnel, the world's first full-scale ship tunnel, whose aim is to improve accessibility and safety for sea transport ... More Information

Dubai Metro Unveils Plans for 30-Kilometer Blue Line Expansion

Dubai's iconic metro system is set to undergo a major transformation with the addition of a new 30-kilometer track, known as the Blue Line. This significant development, revealed through a recent ... More Information

Participate in our Vote to Select the Name for the Upcoming TBM in Our Oslo Project!

Participate in our Vote to Select the Name for the Upcoming TBM in Our Oslo Project!

We are thrilled to invite you to cast your vote to choose the name for the new TBM that will play a pivotal role in our forthcoming project in Oslo, Norway. In keeping with a longstanding tradition, ... More Information

Francia/Grand Paris Express - Major Breakthrough Achieved on Line 6 Tunnels

Francia/Grand Paris Express - Major Breakthrough Achieved on Line 6 Tunnels

On November 6, 2023, a significant milestone was reached as the TBM (Tunnel Boring Machine) named Houda successfully broke through, marking its entry into the future Sevran - Livry station on Line 6 ... More Information

A New Dawn for Commuters: Construction Commences on the Hudson Tunnel Project in New York

In a momentous development for New York's bustling transportation network, construction has officially begun on the Hudson Tunnel Project, marking the onset of a transformative chapter in the city's ... More Information

Tunnelling News

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

Bright lights: This Las Vegas tunnel is getting a major upgrade

Construction is underway on Desert Inn Road between Paradise Road and Joe W Brown Drive as part of a $9.2 million improvement project on Friday, ... More Information

Panama Canal Tunnel Boring Machine Crosses Under the Canal, Marking a Milestone

Panama Canal Tunnel Boring Machine Crosses Under the Canal, Marking a Milestone on Metro Line 3. Auto-dubbed. 398 views · 6 hours ago ...more ... More Information

Major breakthrough achieved in Mumbai-Ahmedabad bullet train tunnel construction

Mumbai: A breakthrough was achieved for a 4.88 km-long tunnel between Shilphata and Ghansoli for the... More Information