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

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

Spotlight on GTE Training Academy

Some of the best lecturers in the field will be presenting a series of tunnelling training schemes at GTE Training Academy this year and for the first time, some of these will be available to ... More Information

France - Delivery of Tunnel Boring Machines (TBMs) for Toulouse Metro Line B and C Connection

France - Delivery of Tunnel Boring Machines (TBMs) for Toulouse Metro Line B and C Connection

In October 2023, the Tisseo Collectivites trade union committee unveiled the names of the five TBMs designated to construct the 27 km long metro Line C, featuring 22 km of tunnels and 21 stations ... More Information

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

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