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ITA Tunnelling Awards 2026

Event Overview -  The 12th edition of the ITA Tunnelling and Underground Space Awards will take place on 4 November 2026 in Lisbon, Portugal, with activities extending through 6 November 2026 ... More Information

Metro Line 4 milestone: TBM “Athena” arrives at Evangelismos

Athens Metro Line 4 has reached a defining construction milestone with the arrival of tunnel boring machine (TBM) “Athena” at the Evangelismos worksite. The breakthrough marks the ... More Information

ISAVET 2026 – Call for papers

21st International Symposium on Aerodynamics, Ventilation and Fire in Tunnels (ISAVET 2026) – Call for Papers | Abstracts close 17 February. The ATS is proud to support ISAVFT 2026, the ... More Information

Potomac River Tunnel Project: Tunnelling Activity Advances Near West Potomac Park

Washington, D.C. -  Work on the Potomac River Tunnel, a key component of DC Water’s Clean Rivers Project to drastically reduce combined sewer overflows (CSOs) into the Potomac River, ... More Information

TBM Completes Historic Breakthrough Beneath the Panama Canal

Panama City, Panama — The tunnel boring machine (TBM excavating the underground section of Panama Metro Line 3 has successfully broken through at the Balboa reception shaft after completing ... More Information

TBM Ready for Grand Paris Express Line 15 West, Lot 2

The Grand Paris Express continues to move forward with the Tunnel Boring Machine (TBM) designated to excavate the 7 km of tunnel for Line 15 West, Lot 2 which has successfully passed factory ... More Information

TBM Excavation Completed on Turkeys Sarıyer–Kilyos Tunnel

Excavation works on the Sarıyer–Kilyos Tunnel in Istanbul have reached a major landmark with the completion of TBM-driven tunnelling, marking one of the most significant achievements to date ... More Information

Mumbai–Ahmedabad Bullet Train: Undersea Tunnel Progress Dependent on Delayed Chinese TBMs

Work on India’s first high‑speed rail corridor continues to advance across multiple sections, but the most technically challenging component—the 21‑km underground tunnel in Mumbai, ... More Information

Tunnel Boring Machine ‘Noyyal’ Completes Breakthrough at Mandaveli on Chennai Metro Phase 2

Chennai Metro Rail Limited (CMRL) has achieved a significant milestone on Phase 2, Corridor‑3, with the downline Tunnel Boring Machine (TBM) Noyyal completing its breakthrough at the Mandaveli ... More Information

ISAVFT 2026 Call for Papers

Two weeks to go for the abstract submission deadline on 17th February! As the leading international forum for researchers, engineers and industry professionals, ISAVFT offers a unique platform to ... More Information

ITA WTC2026 EARLY BIRD RATE EXTENDED

ITA WTC2026 EARLY BIRD RATE EXTENDED

We’re excited to announce that Early Bird registration for ITA WTC2026 has been extended to 6 February 2026! Please note: the extended deadline applies only to participants and does not ... More Information

ELENG d.o.o. for advanced technical solutions

ELENG d.o.o. for advanced technical solutions

ELENG d.o.o. is a Croatian engineering and automation company based in Vinkovci, founded in 2018 to deliver advanced technical solutions across industrial sectors, including tunnelling ... More Information

TERRATEC TBM achieves breakthrough on Mumbai Sewer Tunnel Project

TERRATEC TBM achieves breakthrough on Mumbai Sewer Tunnel Project

TERRATEC’s 3.85m diameter Rock Slurry TBM achieves a key breakthrough on Mumbai’s MSDP Stage II Priority Sewer Tunnel 1. TERRATEC’s 3.85m diameter Rock Slurry TBM has achieved a ... More Information

Second Breakthrough Achieved at Trebisacce Tunnel

A major milestone has been reached on the Trebisacce Tunnel, the longest tunnel on the Third Mega Lot of the Jonica State Road (SS106) in Calabria. Webuild confirmed the second breakthrough, a key ... More Information

TfL Unveils Business Plan with Major Rail, Tunnel and Infrastructure Upgrades

Transport for London (TfL) has released its draft 2029/30 Business Plan, setting out a multi‑year investment programme aimed at modernising London’s transport network and accelerating delivery ... More Information

Next stop Euston. HS2 begins tunnelling to central London

Press release - In a crucial moment for the high-speed rail project, the Rail Minister, Lord Peter Hendy, and Chief Secretary to the Prime Minister, Darren Jones, turned on the 1,624-tonne machine ... More Information

Thames Water Opens £5.7bn White Horse Reservoir Procurement, includes Tunnelling Works

Thames Water has launched the search for a main works contractor to deliver the £5.7 billion White Horse Reservoir in Oxfordshire — a nationally significant scheme set to transform water ... More Information

TBM for National Grid’s Grain–Tilbury Thames Cable Tunnel Passes Factory Acceptance Testing

The Tunnel Boring Machine (TBM) that will excavate the new electricity cable tunnel beneath the River Thames for National Grid’s Grain to Tilbury project has successfully completed Factory ... More Information

2026 TAC Achievement Awards: Submissions Now OPEN!

2026 TAC Achievement Awards: Submissions Now OPEN!

TAC is proud to launch the call for submissions for its 2026 Achievement Awards, celebrating excellence in Canada’s tunnelling and underground construction industry, and beyond. Whether ... More Information

Robbins celebrates TBM acceptance for Ellicott City North Tunnel

Veteran TBM rebuild for major flood mitigation project - Robbins marked a major project milestone in October 2025 with the substantial completion of the factory acceptance test (FAT) for a ... More Information

Wilma TBM achieves breakthrough on Brenner Base Tunnel’s Pfons–Brenner section

The tunnel boring machine (TBM) Wilma has reached a major construction milestone on the H53 Pfons–Brenner section of the Brenner Base Tunnel (BBT), completing approximately 5 km of excavation ... More Information

HS2 completes civil works on Chiltern Tunnel

Civil engineering works have been completed on HS2’s Chiltern Tunnel, the longest tunnel on the UK high-speed rail project, marking a major milestone in the construction of the ... More Information

Safety: What We'll Do Differently In 2026

As we head into 2026, one thing is clear: Doing more of the same will not deliver different safety outcomes. Across the past year, the signals have been consistent — from incident ... More Information

LTA awards S$326m contract for Downtown Line extension tunnels

Singapore’s Land Transport Authority (LTA) has awarded a S$326 million contract for the construction of tunnels as part of the Downtown Line (DTL) extension, which will connect the existing ... More Information

Herrenknecht Tunnel Symposium in Oslo

Press release - At the end of last year in Stockholm, we had the pleasure of hosting our latest Herrenknecht Tunnel Symposium, bringing together clients, planners, and construction companies to ... More Information

Press release - STUVA Conference 2025 in Hamburg: Three days of innovation and sustainability

Exhausted but happy! That was the prevailing feeling among most participants at the STUVA Conference 2025 in Hamburg. It was clear in advance that the three days from 25 to 27 November 2025 at the ... More Information

Joseph Gallagher Achieves Second Microtunnel Breakthrough on SIBS Project in Bahrain

Joseph Gallagher Ltd (JGL) has completed a further microtunnel breakthrough on the Sheikh Isa Bin Salman Tunnel Sewer (SIBS) project in Bahrain, marking the successful conclusion of the ... More Information

Brenner Base Tunnel: Construction Outlook for 2026

Construction activity on the Brenner Base Tunnel (BBT) is set to intensify further in 2026, with several key works advancing simultaneously along the alignment. In the H53 Pfons–Brenner ... More Information

BM Xihe Advances Down-Track Tunnel on Hong Kong’s Tung Chung Line Extension

The tunnel boring machine (TBM) Xihe has entered a new phase of excavation on Hong Kong’s Tung Chung Line Extension (TUE), commencing construction of the down-track tunnel towards the existing ... More Information

Denmark launches €270m+ SST04 cloudburst tunnel project in Greater Copenhagen

Denmark has taken a further major step in strengthening climate resilience in the capital region with the launch of the SST04 Cloudburst Tunnel, a large-scale underground flood protection scheme for ... More Information

Major Tunnel Milestone Achieved: Tunnels Linking Future Changi Airport T5 to T2 Completed

In a significant engineering feat for Singapore’s aviation infrastructure, the main tunnel works connecting the future Terminal 5 (T5) at Changi Airport to the existing Terminal 2 (T2) have ... More Information

Terratec achieves key landmarks on Chennai Metro Phase II

Terratec achieves key landmarks on Chennai Metro Phase II

TERRATEC has achieved key landmarks on Chennai Metro Phase II with the advancement of the TBM on Line 3 and the launch of another TBM on Corridor 5, reflecting strong collaboration with Tata ... More Information

Brenner Base Tunnel: Europe’s Alpine Rail Megaproject Nears Completion at £7 Billion Investment

The Brenner Base Tunnel (BBT), poised to become the longest underground railway connection in the world, represents one of Europe’s most ambitious cross-border transport infrastructure ... More Information

Zoji La Tunnel: Engineering an All-Weather Lifeline to Ladakh

The Zoji La Tunnel is a landmark infrastructure project currently under construction beneath the Zoji La Pass in the Himalayan range. Once completed, this high-altitude tunnel will provide ... More Information

Colorado hydrogen rail proposal places major new mountain tunnel at the heart of its vision

A Colorado company is promoting an ambitious clean‑energy rail concept that would hinge on one of the most significant new mountain tunnels proposed in the state in decades — a 3.6‑mile ... More Information

Universal Seeks Bids for Underground Tunnel / Transit Project in Orlando

Universal Orlando Resort has officially opened a bidding process for what could become a major new underground transportation system linking its upcoming Epic Universe theme park with the rest of ... More Information

Tunnelling News

LA Metro approves route of K Line northern extension project to Hollywood

The analysis found that modern tunneling techniques are safe with pre-construction studies, use of advanced tunnel-boring machines, mitigations and ... More Information

Here's when first massive boring machine will start carving tunnel between New York, New Jersey

STATEN ISLAND, N.Y. — A massive tunnel boring machine is preparing to carve a tunnel between New York and New Jersey after President Donald Trump ... More Information

Beyond the horizontal: how a next-generation TBM conquered Pingjiang's inclined shaft

A variable diameter inclined shaft tunnel boring machine has completed a landmark breakthrough on China's Pingjiang pumped storage hydropower ... More Information

CMRL begins tunnelling for Thiruvanmiyur-Indira Nagar section in phase-II metro rail project

Tunnelling through hard rocks in the 650-metre stretch may take nearly six months, officials say ... More Information

AKTOR’s Tunnels on Brașov–Sighișoara Line, among the most complex in Europe

A railway infrastructure project unfolding in the heart of Transylvania has been ranked, according to an independent comparative analysis, among the most complex and ambitious railway ... More Information

Tunnel-boring machines “Victoria” and “Natali”

The tunnel-boring complexes worked in tandem on the Rublyovo-Arkhangelskaya Line. The tunnel-boring machine complexes (TBMs) “Natali” and “Victoria,” ... More Information

Elon Musk's Boring Company plans mile-long tunnel in Dallas connecting to DART station

The Boring Company is developing a proposed mile-long tunnel in Dallas' University Hills that would link a town center to a nearby DART station, ... More Information

Hudson Tunnel Project marks major 2026 construction progress on both sides of the river

Work on the Hudson Tunnel Project in North Bergen is continuing to advance through several major construction steps reached so far this year... More Information

HS2 Ordered to Slash Costs and Construction Time in Major Government Reset

The Transport Secretary has instructed HS2 Ltd to identify options that could cut billions from the project’s cost and bring trains into service sooner, as the government pushes for a ... More Information

SRL East TBMs arrive in Burwood

Two more tunnel boring machines (TBMs) have arrived in Melbourne ready for tunnelling of Suburban Rail Loop (SRL) East to start this year. The TBMs ... More Information

$100 Million Allocated for Ft. Laramie Canal Tunnel Project

Laramie Canal Tunnel Project. The Department of the Interior announced the funding Tuesday as part of the $889 million for water infrastructure ... More Information

What are the benefits of using tunnel boring machines in infrastructure projects?

Ask NCE has been updated to Answers 3.0, allowing you to ask civil engineering-focused questions and receive clear, practical responses such as ... More Information

Minsk Metro, together with "Alesya," will start digging with "Mariya."

It was noted on a transport forum that parts of a second tunnel boring machine (TBM) for laying tunnels began to be brought to one of the construction sites of the third metro line... More Information

TBM for Lyon-Turin project unveiled

The first of two tunnel boring machines for the Italian section of the 57.5km Mont Cenis Base Tunnel has been unveiled... More Information

NFR achieves breakthrough in Tunnel No 8 of Sivok–Rangpo railway project

Tunnel No. 8 is one of the major tunnels of the project with a total length of 4.148 km and an additional adit measuring 1.010 km. The excavation and ... More Information

Suburban Rail Loop hits tunnelling milestone as eight TBMs arrive on site

The Suburban Rail Loop has reached a major construction milestone, with eight tunnel boring machines now on site ahead of tunnelling later this year... More Information

$16bn Hudson Tunnel project could pause again 'in two to three months'

Components of the first tunnel boring machine (TBM) that will be used for the Palisades Tunnel Project arrived at ... More Information

Hinkley Point C | TBM readied for 620m long fish return tunnel

The tunnel boring machine (TBM) that will excavate the fish return tunnel has been christened Sarah Guppy by local schoolchildren, in tribute to ... More Information

Bhopal Metro's Orange Line Tunnelling Begins

The Bhopal Metro project has recently reached an important milestone as tunnel boring machines (TBMs) have been positioned to begin digging work on ... More Information

A Chinese team rescued a $50M tunnel machine stuck 177 feet underground

Chinese engineers have pulled off a stunning rescue, saving a tunnel boring machine (TBM) stuck 177 feet underground beneath the Yangtze River. More Information

Fort Smith named finalist in Elon Musk's Boring Company tunnel challenge

The company selected Fort Smith's proposal from 487 applicants. The company says the winning project will receive construction of a one-mile tunnel ... More Information

Bengaluru: Four infrastructure firms bid for Hebbal short tunnel

Bengaluru infrastructure: Four firms, including Dilip Buildcon and Max Infra, bid for BDA's Rs 1086 crore Hebbal short tunnel project... More Information

TBM readied for Montreal's Blue Line extension

A custom-made 9.7m-diameter tunnel boring machine (TBM) has been assembled and lowered ready to excavate the tube from the future Vertières stop to ... More Information

$11.5B Brenner Base Tunnel Nears End of TBM Excavation

With TBMs Olga and Wilma closing in, the 55-km rail project shifts from excavation to systems integration ahead of its planned 2028 opening beneath ... More Information

$6.75 Billion Unlocked for Turkey's Bosphorus Rail Project

Multiple Earth Pressure Balance (EPB) Tunnel Boring Machines (TBMs) will need to be mobilized to carve out the subterranean corridors leading up to ... More Information

Tunneling for Nashville's underground Tesla project has begun

The Boring Company said that the first three weeks of the project will consist of the Prufrock-MB1, a machine that will help carve out the tunnel, ... More Information

Hudson Tunnel Project construction resumes

I look forward to celebrating the launch of our tunnel boring machines through the Palisades once GDC has assurance it will receive the steady flow ... More Information

Lower Thames Crossing

British suppliers could meet 90% of low carbon steel requirements. The proposed machine would be 16.4m in diameter, large enough to create a three‑lane tunnel bore, and is intended to dig ... More Information

Inside the Tunnel Boring Machine, Southampton Link Main project

A six-tonne tunnel boring machine is digging deep below the ground in Hampshire to help keep the county's taps and rivers flowing... More Information

TBM maestro inspects sites ahead of massive tunnel drive

The first machine components have arrived for the tunnel boring machines (TBMs) to be deployed on the Suburban Connect sites in Melbourne. More Information

Metrolinx provides major updates on subway and LRT projects across the GTA

Tunnel boring is advancing on multiple projects, with Scarborough's TBM ... Metrolinx says “Diggy Scardust,” the project's tunnel boring machine, is now ... More Information

Work in Progress: High-tech TBMs ready to carve underground corridor

The Bhopal Metro Rail Project is transitioning into its most challenging and sophisticated phase as two state-of-the-art Tunnel Boring Machines (TBMs) ... More Information

Sarens helps extract TBM at BC water supply project

The Annacis Water Supply Tunnel Project aims to increase the reliability and capacity of the water supply system in New Westminster, British Columbia. When complete, the tunnel will ... More Information

Judge rules in favor of New York and New Jersey for now in $16B tunnel fight with Trump

A federal judge ruled Friday to temporarily block the Trump administration from suspending federal disbursements for the Gateway Tunnel Project... More Information

Webuild: award for Sustainability Report for commitment to decarbonise through innovation

This includes the large tunnel-boring machines deployed on some of Europe's most complex projects: from the Salerno-Reggio Calabria ... More Information

Clearwater update reports initial entry area is 'stable and intact'

The tunnel boring machine being used in the project remains trapped underground just ahead of where the breach occurred. The ambitious, $630 ... More Information

Tunnel Boring Machine Market Size estimated at USD 7.08 Billion

The Tunnel Boring Machine (TBM) market is experiencing significant growth, driven by increasing urbanization, infrastructure development, ... More Information

Completing the First Section of Line 3: Tunnel Boring Machine Roars as it Emerges at Balboa

The Panama tunnel boring machine emerged and completed its first major task: the first section of the Line 3 Metro tunnel. More Information

Twin tunnel-boring titans prepare to dig new road under Sydney Harbour

Twin tunnel-boring titans are preparing to launch under Sydney Harbour to dig out a new road crossing from Birchgrove to Waverton... More Information