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

Second TBM Start for Line 9 in Barcelona

Second TBM Start for Line 9 in BarcelonaLlobri, this is the name of the second TBM that will drive the 44 km metro line 9 in Barcelona. The machine started to tunnel the new line between the Gorg ... More Information

Putzmeister Concrete Pumps for Lötschberg Base Tunnel

Putzmeister Concrete Pumps for Lötschberg Base TunnelPutzmeister concrete pumps and concrete wet spray machines are being used on several contract sections of the Lötschberg. Consortium Satco is ... More Information

Welcome to the Future!

Welcome to the Future!tunnelbuilder.com front page has undergone a substantial revision this week, as part of a complete upgrade of our operating software. Page presentation is now database-driven, ... More Information

Four Road Headers Now Work on Cross City Tunnel in Sydney

Four Road Headers Now Work on Cross City Tunnel in SydneyFour roadheaders are now tunnelling underneath Sydney to build the Cross City Tunnel (CCT). Since the first machine started work on 19th May, ... More Information

Dateline Underground Construction 2003

Dateline Underground Construction 2003It's high time to make travel plans for the UC 2003 conference and exhibition, which takes place at ExCeL, London on 24-25th September. ExCeL is at the old ... More Information

Busy Time for Robbins

Busy Time for RobbinsIn the US, the first of two Robbins TBMs has started on the 14km long Nancy Creek sewer tunnel in Atlanta, GA, while a Robbins 5.6 m-diameter hard rock machine at Chicago TARP ... More Information

Geokon - world-class geotechnical instrumentation

Geokon - world-class geotechnical instrumentationGeokon is the most successful designer and manufacturer of vibrating wire geotechnical instrumentation, with a line of products that is unsurpassed ... More Information

Spanish Tunnellers Rescued from Guadarrama Tunnel

Spanish Tunnellers Rescued from Guadarrama TunnelThirty-four workers have been rescued after being trapped by fire for five hours on 6th August in the Guadarrama railway tunnel under construction on ... More Information

New Concept in Lighting Control from Mayer

New Concept in Lighting Control from MayerMayer International (UK) Ltd has introduced an advanced new concept in automated light switching technology for road tunnels. Known as System-1600, it ... More Information

Muck Cars Designed by CSM Bessac Receive Innovation Award

Muck Cars Designed by CSM Bessac Receive Innovation AwardThe Roll and Rock process designed by CSM Bessac, a small-to-midsize TBM maker based near Toulouse, France has received a French construction ... More Information

Wirth Completes Shaft II in Sedrun for Gotthard Base Tunnel in Record Time

Wirth Completes Shaft II in Sedrun for Gotthard Base Tunnel in Record TimeThe breakthrough by a Wirth shaft boring machine of the tunnel floor level on 23rd June, 2003 marked another milestone at ... More Information

Crossrail Gets Green Light

Crossrail Gets Green LightThe UK government has given the go-ahead for the £10 billion Crossrail project that will link east and west London. But transport Secretary Alistair Darling has again ... More Information

Herrenknecht Reports Growth

Herrenknecht Reports GrowthHerrenknecht AG, in its 2002 Annual Report, has reported sales in excess of €300 million for the first time, consolidating its position as market leader in TBM ... More Information

Putzmeister Contribute to Building Taiwanese HSR in Record Time

Putzmeister Contribute to Building Taiwanese HSR in Record TimeA 345 km high speed railway is under construction in Taiwan between capital Taipeh and Kaohsiung in the south. Numerous Putzmeister ... More Information

Chancellor Schröder Inaugurates Germany's Longest Road Tunnel

Chancellor Schröder Inaugurates Germany's Longest Road TunnelChancellor Gerhard Schröder inaugurated on 5th July the nearly 8 km-long Rennsteig tunnel, Germany's longest road tunnel linking ... More Information

Mühlhäuser - world leader in transportation engineering

Mühlhäuser - world leader in transportation engineeringWesterschelde and Elbe highway tunnels; Athens, Singapore and Barcelona metros; Lesotho, New York and Isafahan water tunnels; ... More Information

Putzmeister and Sika Form Strategic Alliance

Putzmeister and Sika Form Strategic AllianceSika AG, Baar, Switzerland, a chemical specialities company, and Putzmeister AG, Aichtal, Germany have entered into a strategic global alliance in the ... More Information

Cat Launches 325 CCR Tunnel Excavator

Cat Launches 325 CCR Tunnel ExcavatorThe new 164 kw 35t Cat 325 CCR, with a swing radius of only 1.9 m, is designed specifically for tunnelling. It has a robust undercarriage, and a full size ... More Information

First TBM Starts Line 9 of Barcelona Metro

First TBM Starts Line 9 of Barcelona MetroAn Earth Pressure Balance shield built by NFM Technologies, Wirth's sister company based in Lyon, started driving line 9 in Barcelona from Can Zam in Santa ... More Information

High Speed Tunnel Starts in Bologna

High Speed Tunnel Starts in BolognaPietro Lunardi, the Italian minister for infrastructure and transport, Vasco Errani, the president of the Emilia-Romagna region, Vittorio Prodi, the president of ... More Information

Developing DSL Broadband

Developing DSL BroadbandAccess to DSL Broadband is increasing rapidly, allowing us to install downloadable publications for more tunnelbuilder readers. However, the spread of DSL is not uniform. ... More Information

Two Wirth EPB Shields for Shiraz Metro - ir/19

Two Wirth EPB Shields for Shiraz Metro - ir/19The Wirth Group's sister company NFM Technologies will deliver two Earth Pressure Balance TBMs to the Shiraz Urban Railway Organization for the Shiraz ... More Information

France Confirms Lyon-Turin High Speed Link

France Confirms Lyon-Turin High Speed LinkFrench prime minister Raffarin confirmed to Italian premier Berlusconi France's commitment to build the Lyon-Turin high speed line, loosening the strained ... More Information

Putzmeister - speed and precision in shotcrete placement

Putzmeister - speed and precision in shotcrete placementFor many years the Putzmeister Wetkret 103 has been the standard wet shotcrete jumbo for tunnels, having made its reputation on durability, ... More Information

Robbins Receives Order for Three Machines for Kárahnjúkar Hydro Project

Robbins Receives Order for Three Machines for Kárahnjúkar Hydro ProjectUS TBM manufacturer, The Robbins Company, has received an order for three hard rock TBMs from Italian contractor Impregilo ... More Information

Zürich Thalwil Tunnel Inaugurated

Zürich Thalwil Tunnel InauguratedSwiss transport minister Moritz Leuenberger inaugurated the second double-track line Zürich-Thalwil on 6th June, 2003. This 10.7 km line allows long-distance ... More Information

Halcrow sponsors tunnelintelligence.com

Halcrow sponsors tunnelintelligence.comHalcrow Group is taking up a foundation sponsorship of tunnelintelligence.com, the industry's most-visited bids and awards website. The company is an ... More Information

Herrenknecht TBM Tackles Gotthard Base Tunnel from North

Herrenknecht TBM Tackles Gotthard Base Tunnel from NorthThe AGN JV between Murer and Strabag started excavation of the Gotthard base tunnel from the north side at the Amsteg jobsite on 27th May, ... More Information

Hsuehshan Tunnel Section Breaks Through

Hsuehshan Tunnel Section Breaks ThroughTaiwan's Premier Yu Shyi-kun presided over on 31st May, 2003 the breakthrough ceremony of the 5.7 km western section of the maintenance and emergency gallery ... More Information

Normet Celebrates Launching of Spraymec 7110 WPC at Intermat

Normet Celebrates Launching of Spraymec 7110 WPC at IntermatIntermat 2003 exhibition held in Paris 13th to 17th May, 2003 has been the occasion for Normet to launch its novelty - Spraymec 7110 WPC ... More Information

Atlas Copco Displays Impressive Product Line at Intermat

Atlas Copco Displays Impressive Product Line at IntermatAtlas Copco has been at the forefront at the big Intermat show held in Paris 13th to 17th May, 2003. Among the highlights from the Atlas Copco ... More Information

Extensive Geological Campaign Under Way for Stuttgart 21

Extensive Geological Campaign Under Way for Stuttgart 21Stuttgart 21 is one of Deutsche Bahn's largest projects consisting mainly of a comprehensive redesign of Stuttgart's dead-end central station, ... More Information

Mott MacDonald sponsors tunnelintelligence.com

Mott MacDonald sponsors tunnelintelligence.comMott MacDonald is taking up a foundation sponsorship of tunnelintelligence.com, the industry's favourite bids and awards website from tunnelbuilder. ... More Information

EuroTest Survey Assesses Safety in 25 European Road Tunnels

EuroTest Survey Assesses Safety in 25 European Road TunnelsThe survey "Safety in Road Tunnels 2003" carried out by several European motoring associations for the European ADAC motoring consortium ... More Information

Atlas Copco at Intermat 2003

Atlas Copco at Intermat 2003Visitors to this year's Intermat exhibition which will be held in Paris 13th to 17th May will be greeted by an array of equipment from the Swedish manufacturer Atlas ... More Information

Meet IPS at Amsterdam

Meet IPS at AmsterdamIPS, the supplier of specialist personnel to tunnelling projects, has improved its website so that vacancies and available personnel can now be searched by department. This ... More Information

Tunnelling News

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

Monica Breaks Ground on Snowy 2.0

Monica the tunnel boring machine, with the renewable energy mega-project now more. TBM Monica is among the world's most advanced tunnel boring machines... More Information

Snowy 2.0 sets new tunnel boring machine to work, completes 46 underground concrete pours

Snowy 2.0 has set to work a fourth tunnel boring machine, a $75 million piece of drilling equipment purpose built to complete excavation of the huge pumped hydro project’s “geologically ... More Information

World's 'largest' underground assembly of tunnelling machines happening beneath Sydney

Workers are craning into place about 167 major pieces that will form the first of two giant boring machines. Once assembled like giant Meccano sets, ... More Information

Tunneling Begins on Major Water Pipeline for South Hillsborough

TAMPA, Fla. — Tampa Bay Water has begun construction on a major underground pipeline project aimed at meeting rising water demand in southern Hillsborough County, where population growth ... More Information

The massive £3billion tunnel designed to connect two continents under the sea

The construction of a huge underwater multi-tiered tunnel is underway in Turkey, that will create a direct route from Asia to Europe - and is expected to carry 1.3 million passengers a ... More Information

Riederwald Tunnel in Frankfurt is further delayed

Traffic was supposed to start flowing through the controversial Riederwald Tunnel in Frankfurt in 2033. But that's unlikely to happen. The €1.5 billion project is facing further delays – ... More Information

What happens to our metro tunnel boring machines when they hit the end of the line?

These mechanical behemoths were Betty and Dorothy, the tunnel boring machines tasked with digging the Sydney Metro West tunnels. Loading. The ... More Information

The incredible £2.8bn underwater tunnel connecting Europe and Asia

A huge new tunnel will connect Europe and Asia - and construction has already started. The Great Istanbul Tunnel is a major project. It will carry ... More Information

China develops "smart brain" for tunnel boring machines to boost underground construction

A team from Hunan University in central China has collaboratively developed an intelligent operating system for tunnel boring machines, giving these massive underground giants a "smart ... More Information