Tunnelbuilder Promoting the world's tunnelling industry to a huge qualified audience

View the Spanish Tunnelbuilder website View the Italian Tunnelbuilder website

Archive - News

Featured News

Sydney Metro West tunnel borers dig deep under Darling Harbour

TBMs Jessie and Ruby have passed the deepest point below Darling Harbour, located about 35-m beneath the water’s surface, as they continue to carve out the Sydney Metro West line that once ... More Information

Sydney Metro West tunnels reach end of the line

Sydney Metro West tunnels reach end of the line

TBM Betty has smashed through into a cavern deep beneath Westmead to complete the first tunnel at the western end of the 24-km Sydney Metro West line, the project that will link Westmead to the ... More Information

Australia - New Sydney Metro West Updates

Australia - New Sydney Metro West Updates

TBMs Dorothy and Betty power into Parramatta Tunnelling for the Sydney Metro West project is nearly 90% complete, with the arrival of two TBMs at Parramatta’s metro station site. This marks a ... More Information

Huge cavern carved out below Sydney CBD as Hunter Street Station takes shape

Huge cavern carved out below Sydney CBD as Hunter Street Station takes shape

Completed the excavation of the Hunter Street metro station cavern for the Sydney Metro West mega project. Excavation has been ongoing around the clock for 20 months to create the giant cavern, ... More Information

Sydney Metro West tunnels enter the final stretch as TBMs advance towards Parramatta

Two TBMs constructing the 24-km twin metro railway tunnels for Sydney Metro West have broken through solid rock walls to arrive at the junction caverns 24-m below the surface at Clyde. This latest ... More Information

Final Tunnel Boring Machine Launches as Sydney Metro West Reaches Major Milestones

 Final Tunnel Boring Machine Launches as Sydney Metro West Reaches Major Milestones

On October 16, 2024, tunnel boring machine (TBM) Ruby began its journey to carve out the final section of the Sydney Metro West project, marking a significant step for this city-shaping ... More Information

Sydney Metro West Mega Machines Touchdown at Sydney Olympic Park

Sydney Metro West Mega Machines Touchdown at Sydney Olympic Park

Sydney Metro West Mega Machines Touchdown at Sydney Olympic Park The construction work to deliver the 24-km new Sydney Metro West railway power ahead. The mega project has recently achieved a slew ... More Information

TBM Jessie ready to be launched for Sydney Metro West towards Sydney’s CBD

TBM Jessie ready to be launched for Sydney Metro West towards Sydney’s CBD

TBM Jessie,  the first TBM for the Sydney Metro West - Eastern Tunnelling Package,  is about to be launched. It will carve out a 2.3-km tunnel from The Bays to Hunter Street in the ... More Information

Sydney Metro West - TBMs Beatrice and Daphne reach Burwood North

Sydney Metro West - TBMs Beatrice and Daphne reach Burwood North

On the 30th April two TBMs Beatrice and Daphne arrived at Burwood North station site as the 24-km Sydney Metro West twin tunnels connecting Greater Parramatta and the Sydney CBD continue to take ... More Information

The final Sydney Metro West TBMs have arrived

The final Sydney Metro West TBMs have arrived

Sydney Metro West is gearing up to build Sydney’s second under-harbour railway crossing with the final TBMs arriving on site. The two TBMs will carve out the 2.3-km twin tunnels from The Bays, ... More Information

Australia - News on Sydney Metro West project

Australia - News on  Sydney Metro West project

Press release - The first service tunnel to connect the 24-km Metro West line to a new stabling and maintenance facility at Clyde has been completed, ticking off another significant milestone for ... 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

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

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

Gamuda Wins Major Transport Project in Australia

Press release - Gamuda Australia has been awarded a major transport project by the NSW Government, the Sydney Metro West – Western Tunnelling Package.  In a consortium with Laing ... More Information

First tunnel boring machines arrive for Sydney Metro West

First tunnel boring machines arrive for Sydney Metro West

The first two TBMs have arrived for the Sydney Metro West project, ready to start construction on the new 24-km tunnels which will connect Greater Parramatta to the Sydney CBD.   The two ... More Information

Sydney Metro West to tunnel under Sydney Harbour

Sydney Metro has received the green light for tunnelling between The Bays and Sydney CBD, completing plans for the 24 km of twin tunnels from Westmead to Hunter Street in the Sydney ... More Information

First TBMs ordered for Sydney Metro West

Two 1266 tonne, 165 m long double-shield, hard rock, gripper-type TBMs have been ordered to build the city’s next metro rail tunnels as part of the Sydney Metro West project, with the first ... More Information

Sydney Metro West project - Make a submission for second EIS

The community can again have its say on the Sydney Metro West railway project, with the second Environmental Impact Statement for the mega project now on public exhibition.   The latest ... More Information

Sydney Metro West enters the next planning stage

On the Sydney Metro West project, the planning process has started for the construction of 9 new metro stations between Westmead and Hunter Street in the Sydney CBD – as well as the precincts ... More Information

Sydney Metro West received two major planning approvals

The Sydney Metro West project has received two major planning approvals, paving the way for mega TBMs to be in the ground by the end of 2022.   Planning approval has been granted for the ... More Information

The Sydney Metro West planning process

The environmental assessment process for Sydney Metro West is being done in stages in recognition of the size of the project. Stage 1 seeks approval for station excavation and tunnelling between ... More Information

Feedback for Sydney Metro West EIS

The Sydney Metro West EIS (Environmental Impact Statement) went on exhibition 30th  April and the community has until 26/06/2020 to provide feedback. This is one of three EISs for the project ... More Information

Sydney Metro tunnelling to create thousands of jobs

On the 07/04/2020 Minister for Transport Andrew Constance announced the start of the tender process to build almost 50km of new metro railway tunnels between Greater Parramatta and the Sydney CBD on ... 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