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At the Heart of the Lötschberg

At the Heart of the LötschbergTwenty minutes are necessary to cover the 7 km southward between the Mitholz entrance of the Lötschberg base tunnel and the worksite to Ferden. Consortium Satco, a JV ... More Information

Black Diamond Cutters Take on the World

Black Diamond Cutters Take on the WorldBlack Diamond Cutters, manufactured in the New South Wales town of Artarmon, Australia, have been a growing influence on Asia Pacific TBM projects over the ... More Information

Squeezing Ground Obliges to Innovate at Gotthard Base Tunnel

Squeezing Ground Obliges to Innovate at Gotthard Base TunnelThe 800 m Sedrun shaft enables to descend to the heart of the Gotthard base tunnel in 67 seconds, at a speed of 12 m/sec. The elevator has ... More Information

Harvey Parker - ITA President with a Mission

Harvey Parker - ITA President with a MissionDr Harvey W. Parker, PE, a tunnel and geotechnical engineer in private practice, has been elected to a three-year term as President of the International ... More Information

Spain Inaugurates First Phase of Test and R&D Tunnel

Spain Inaugurates First Phase of Test and R&D TunnelVicente Alvarez Areces, the president of Asturias in northern Spain, inaugurated on 25th May a EUR1.3 million high temperature fan test ... More Information

Goodbye WT, hello TTC!

Goodbye WT, hello TTC!April edition of World Tunnelling magazine was the last of the series, and the title has closed after some 150 issues. Launched in March, 1988, WT was well-received by both ... More Information

Sandvik Tamrock Wins Order for Tunnelling Jumbos - cn/61

Sandvik Tamrock Wins Order for Tunnelling Jumbos - cn/61Sandvik Tamrock has signed a supply contract with the Leighton-Kumagai JV to deliver five new Tamrock Axera tunnelling jumbos for Route 8 ... More Information

Four Cat 330C HD Special Application Excavators on the World's Longest Tunnelling Project

Four Cat 330C HD Special Application Excavators on the World's Longest Tunnelling ProjectThe Sedrun intermediate adit is one of the most spectacular sections of the 2 x 57 km Gotthard base tunnel in ... More Information

France and Italy Sign Lyon-Turin High Speed Rail Link Agreement

France and Italy Sign Lyon-Turin High Speed Rail Link AgreementFrance and Italy on 5th May signed an agreement on the financing of a EUR12 billion transalpine high speed rail link between the cities ... More Information

Austria and Italy Sign Agreement on Brenner Base Tunnel

Austria and Italy Sign Agreement on Brenner Base TunnelHubert Gorbach, the Austrian deputy chancellor and minister for transport, innovation and technology, and Pietro Lunardi, Italy's minister for ... More Information

EU Welcomes New TEN Guidelines

EU Welcomes New TEN GuidelinesThe European Parliament and Council adopted 30 priority projects of the Trans-European transport Network (TEN) on 21st April, a few days before the enlargement of the ... More Information

Lovat Launches TBM in Singapore

Lovat Launches TBM in SingaporeDowner Engineering has launched a refurbished 6.15 m-diameter Lovat TBM, model RMP242SE Series 18500, for the Singapore cable tunnel contract C302, section from West ... More Information

Annual Tunnel Test Results Disclosed as EU Adopts New Directive on Safety

Annual Tunnel Test Results Disclosed as EU Adopts New Directive on SafetyADAC, the German motoring club, has presented the results of its sixth annual tunnel test survey since 1999. This year's ... More Information

Three Killed, One Missing at Singapore Metro Collapse

Three Killed, One Missing at Singapore Metro CollapseThree workers, one Malaysian, one Chinese and one Singaporean, have been killed on 20th April at a metro collapse on a Circle Line worksite in ... More Information

Eurotunnel Sells TBM as French Board is Appointed

Eurotunnel Sells TBM as French Board is AppointedAn Howden TBM used to build the Channel tunnel that links the south of England and France has been sold by online auction site eBay. The 580t machine ... More Information

Safer European Road Tunnels

Safer European Road TunnelsThe European Parliament will vote on 20th April a second reading recommendation on proposals to improve the safety of tunnels on the trans-European road network. The ... More Information

Berlusconi Attends Groundbreaking Ceremony of Base Tunnel on Bologna-Florence Motorway - it/21

Berlusconi Attends Groundbreaking Ceremony of Base Tunnel on Bologna-Florence Motorway - it/21Italian Premier Silvio Berlusconi and minister for infrastructure and transport Pietro Lunardi ... More Information

Kranji Tunnel Breaks Through in Singapore

Kranji Tunnel Breaks Through in SingaporeA Herrenknecht 4.88 m-diameter EPB TBM, machine S-171, has successfully completed the 4.8 km south drive of the Kranji tunnel as part of Contract T-05 for ... More Information

Atlas Copco Launches Super-fast 30 kW Hydraulic Rock Drill COP 3038

Atlas Copco Launches Super-fast 30 kW Hydraulic Rock Drill COP 3038Atlas Copco took Bauma by storm with the unexpected announcement of the launch of its super-fast COP 3038 hydraulic rock drill. ... More Information

Bauma Mining Reflects Dynamism of Mining and Tunnelling Sectors

Bauma Mining Reflects Dynamism of Mining and Tunnelling SectorsFrom 29th March to 4th April 2004, 514 manufacturers out of a total of over 2,740 companies from 48 countries exhibited their mining ... More Information

Improved TBM Guidance System

Improved TBM Guidance Systemtacs gmbh, specialist manufacturer of TBM guidance systems, has extended its acs guidance system software to integrate the geological profile and plan view of the ... More Information

First TBM Being Assembled for SMART Scheme in KL

First TBM Being Assembled for SMART Scheme in KLThe Stormwater Management and Road Tunnel (SMART) project is a flood mitigation project being implemented by the government of Malaysia. During ... More Information

Hybrid from Swellex

Hybrid from SwellexThe newly- announced Swellex Hybrid rockbolt combines the pre-tensioning capabilities of Swellex with the grouting convenience of MAI SDA to provide immediate, long-term support. ... More Information

Hsuehshan Tunnel Breaks Through

Hsuehshan Tunnel Breaks ThroughTaiwan's minister of transportation and communications Lin Ling-san pushed a button to detonate explosives, clearing away the final 2.8m of rock of the westbound tube ... More Information

AUA Awards for 2004

AUA Awards for 2004The American Underground Construction Association will present the following awards during its NAT 2004 conference in Atlanta, GA from 17th to 21st April:Outstanding Individual in ... More Information

VMT Celebrates 10th Anniversary at Bauma

VMT Celebrates 10th Anniversary at BaumaWhile Bauma celebrates its 5th decade, VMT is entering its 2nd decade, having been formed in April, 1994. The company started in survey technology, supplying ... More Information

New TBM Record at Amsteg

New TBM Record at AmstegAt end February, 2004 about 25% of all the 153 km of shafts, cross passages and tunnels have already been excavated at the Alptransit Gotthard tunnel in Switzerland.At ... More Information

Guadarrama Tunnels are 50% Complete

Guadarrama Tunnels are 50% CompleteThe four TBMs have bored half of the twin tunnels under Sierra de Guadarrama on the high speed line from Madrid to Valladolid via Segovia. At end-January 2004, ... More Information

Technical Seminar on TBMs

Technical Seminar on TBMsIIR Spain organises a technical seminar on the necessary steps in the selection of a TBM to get a maximum return on investment, estimate with a 100% accuracy the project ... More Information

Hunter Personnel - More positions on tunnelbuilder.com

Hunter Personnel - More positions on tunnelbuilder.comJoining a growing list of human resources specialists to be seen on the tunnebuilder web-site, Hunter Personnel was established in 1976, and ... More Information

Häny Grouting Systems - Simple and Reliable

Häny Grouting Systems - Simple and ReliableSwiss-based Häny is one of the best-known names in grouting, having researched and developed equipment suited to many of the current techniques. The ... More Information

Stonehenge Tunnel Inquiry Opens amid Claims for Longer Project

Stonehenge Tunnel Inquiry Opens amid Claims for Longer ProjectA public inquiry has opened on 17th February into a plan to build a road tunnel under Stonehenge, the famous circle of megalithic ... More Information

Swiss Reject Second Gotthard Road Tunnel

Swiss Reject Second Gotthard Road TunnelSwiss voters rejected on 8th February a proposal to expand roads to ease Alpine bottlenecks, including the addition of a second tunnel under the Gotthard ... More Information

Announcing Atlas Copco Drilling Solutions Division

Announcing Atlas Copco Drilling Solutions DivisionBob Fassl has been appointed President of Atlas Copco Drilling Solutions division, a newly-formed division within Atlas Copco's Construction and ... More Information

AlpTransit Rail Tunnels Exhaust Credit Line

AlpTransit Rail Tunnels Exhaust Credit LineThe construction of the two transalpine rail tunnels across the Loetschberg and St Gotthard in Switzerland will be more expensive than planned. A ... More Information

IPS at Bauma

IPS at BaumaIPS, the highly-skilled personnel specialist for maintenance and operation of TBMs, handwork, NATM, separation plants and shotcreting, will be present at the Bauma exhibition, Hall 3C ... More Information

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Tunnelling News

$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

How China rescued highway project under Yangtze River

The incident occurred in February 2023 during construction of the 6.4-kilometer Jiangyin–Jingjiang Yangtze River Tunnel. Midway through excavation, at ... More Information

HS2 final tunnel drive to Euston starts next week

A team from SCS will drive a 4.5-mile twin-bore tunnel linking Old Oak Common to Euston using two tunnel boring machines, Karen and Madeleine. More Information

Work begins on £48M Knutsford sewer upgrade featuring 1.8km stormwater tunnel

Sean Reid, United Utilities county business lead for wastewater in Cheshire said: “This project highlights our ongoing commitment to improving water ... More Information

$14.6M boost moves Gering–Fort Laramie Canal Tunnel project forward

After nearly six years of planning, construction is moving forward on the Gering–Fort Laramie Canal tunnels... More Information

Webuild: second breakthrough at Trebisacce Tunnel along Jonica State Road 106

Project will help transform Jonica State Road 106 into a strategic corridor linking Ionian coasts of Calabria, Basilicata and Puglia... More Information

Ground preparation for Lower Thames Crossing tunnelling

Work is ongoing to overcome sub-optimal ground conditions in preparation for the start of tunnelling on the Lower Thames Crossing in late 2028, according to the project’s tunnels director... More Information

LA Metro approves massive $25B underground rail line to bypass 405 Freeway

The LA Metro Board unanimously approved an underground heavy rail line to connect the San Fernando Valley and the Westside, bypassing the congested 405 Freeway. The nearly 13-mile route, ... More Information

TUNNEL VISION Mega £7.4bn undersea tunnel connecting two CONTINENTS just got one step closer

A MAJOR £7.4 billion underwater tunnel connecting two continents has taken a step closer to construction. Experts have said the 24-mile tunnel is “technically viable”, paving the way for ... More Information

TBM breakthrough in Sydney

Tunnel boring machine (TBM) Jane Starkey successfully completed her 1.2km underground journey through challenging Sydney sandstone... More Information

Hochul announces $25 million for Harlem crosstown subway tunnel design

At E. 120th St., a pair of tunnel-boring machines — currently under construction in Germany — will bore new, 8,400-foot tunnels north from the end ... More Information

Tunnelling under the Yarra River

Our two Tunnel Boring Machines (TBMs) will soon be travelling underneath the Yarra River... Approximately 300 metres of the 6.5 kilometre North East Link will be under the Yarra ... More Information

The Boring Company says its tunneling machine is 'ready to mine in Nashville'

The Music City Loop project is aimed at transporting people from Nashville International Airport to Lower Broadway in roughly 10 minutes. By Li ... More Information

Norway Is Building the World's Longest and Deepest Tunnel Beneath the Sea

The Rogfast project, short for Rogaland Fixed Link, is an underwater road tunnel being built beneath Norway's fjords as part of the E39 coastal ... More Information

Future engineers become 'TBM Captains' for Suburban Rail Loop

Tunnel Boring Machines (TBMs) that will begin work this year. The tour of the eastern tunnel entrance was part of a long-term initiative, with ... More Information

Image gallery: Civil works completed on HS2's longest tunnel

Main construction on the Buckinghamshire structure began in May 2021 with the launch of two 2,000-tonne tunnel boring machines (TBMs), named Florence ... More Information