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Robbins Crossover TBM “Rosie” flexes her Muscle

Massive XRE Machine breaks through at Akron OCIT On August 29, 2018, a 9.26 m (30.4 ft) diameter Robbins Crossover (XRE) TBM crossed the finish line at the Akron Ohio Canal Interceptor Tunnel ... More Information

AGJV Press release

Celebrations as the TBMS of The Follo Line breakthrough at the same time. The tunnel excavation in the Nordic region's longest rail tunnel has just reached its target towards Oslo city ... More Information

HERRENKNECHT Rock-solid tunnelling: double breakthrough on the Follo Line

Royal double breakthrough in Oslo. After about 9 kilometers each through tough gneiss, on Tuesday, September 11, 2018 the twin tunnel boring machines from Herrenknecht "Queen Eufemia" and ... More Information

CTS Cordes seals for tunnel construction

For almost 60 years CTS Cordes tubes & seals GmbH & Co.KG (Division of CORDES Group) from Germany has been a reliable industry partner in providing sealing solutions for pipeline and ... More Information

West Gate Tunnel borer naming competition launched

Victorians will play an important part in the Andrews Labour Government’s Metro Tunnel and West Gate Tunnel projects, naming the six gigantic tunnel boring machines (TBMs) that will begin ... More Information

Designs unveiled for North East Link

The Andrews Labour Government today unveiled detailed designs for the North East Link – giving Victorians their first look at the state’s biggest ever road project. With the ... More Information

Open Tunnel Day: Ahrental - Aldrans - Ampass, September 16th, 2018

This year, you have the unique chance to visit the entire underground area between the Ahrental access tunnel, Aldrans and Ampass and to see the different steps required to build a tunnel lining ... More Information

SAIE - BIM & DIGITAL Awards 2018

In July this year the BIM & DIGITAL Awards 2018 were launched. The awards are part of the SAIE program taking place in Bologna, Italy from the 17th to the 20th of October 2018. The aim of the ... More Information

Update for Metro Line 1 in Turin

Work continues on the construction of the Turin Metro, the TBM Masha, completed the excavation of the Lingotto-Bengasi tunnel line 1, and has been dismantled and extracted from the back station of ... More Information

Follo line project - Live streaming of the breakthrough available

Press release from Bane Nor Follow the tunnel race in Oslo: The event will be streamed from inside the mountain hall and you are most welcome to take part in the event on this website, ... More Information

Underground Construction Prague 2019 – call for abstracts

Abstract Submission Deadline - September 30, 2018 Method of Submission - please click here On-line Abstract Submission Form Guidelines for submission of abstracts All abstracts must ... More Information

Quito Metro update

On the 27.08.2018 the TBM ‘Luz de America’ reached the La Alameda Station, Line 1 of the Quito Metro. The TBM, started excavating from the Solanda Station in April 2017, and has driven ... More Information

Colombia - Toyo Tunnel project

The Toyo tunnel project includes 18 tunnels divided into two sections. On the 26.01.2018 FCC Construccion began building section one, this section will improve connectivity between Medellin and ... More Information

Colombia - Tesalia Tunnel

To date more than 1000m of the main Tesalia tunnel (length 3.4km), which is part of the Pacifico 3 highway in Colombia has been excavated. The tunnel project will connect Antioquia, the Coffee ... More Information

Looking for the “Water Mist “Researcher 2019

Since 2016, the International Water Mist Association (IWMA) has honoured young researchers who dedicate their masters and/or Ph.D. theses to water mist technology. The call for submissions for ... More Information

IRF Global R2T Conference & Expo

Only a Few Exhibit Booths are still available at the IRF Global R2T Conference & Expo. The IRF Global R2T Conference & Expo will be held from Nov 7-9, 2018 in Las Vegas, USA. It is your ... More Information

Rosie completes her journey!

On the 29th of August 2018 Rosie, the Robbins Crossover TBM, broke through on the Ohio Canal Interceptor Tunnel. This tunnel is the largest part of the Akron Waterways Renewel project. The TBM, ... More Information

Koralm Tunnel achieves tunnel breakthrough

At the heart of the Koralm railway project between Graz and Klagenfurt in Austria is the 33km-long Koralm Tunnel. The new 130 km high-performance line consists of 12 new stations, over 100 bridges ... More Information

TERRATEC TBMs get up to speed on Mumbai Metro

The first four of seven TERRATEC TBMs to be used on Mumbai Metro ’s highly anticipated 33.5km Line 3 underground corridor , in India , are making good progress . In early August, ... More Information

Thimble Shoal Tunnel

The TBM Chessie, that was custom-made by Herrenknecht for Dragados USA Inc and Schiavone Construction Co. LLC, is now ready to begin construction of the New Tunnel under the Thimble Shoal Canal in ... More Information

Castelbello/Colsano works underway in Autumn

In September 2018, work will begin on the new 3,360 m Castelbello and Colsano bypass, which will lighten transit traffic within the two towns and improve the traffic movement on the road to the ... More Information

Filder Tunnel

At the end of July, the ATCOST 21 Consortium (Porr Bau GmbH Tunnelbau, G. Hinteregger & Soehne Baugesellschaft mbH, Oestu - Stettin Hoch - und Tiefbau GmbH, Swietelsky Baugesellschaft mbH) and ... More Information

MMRC - Metro 3 Corridor

On August 10, 2018 Mumbai Metro Rail Corporation (MMRC) started the tunnelling for package 01, which comprises of Cuffe Parade, Vidhan Bhavan, Churchgate and Hutatma Chowk stations. The TBM Surya 1, ... More Information

Forrestfield-Airport Link update

The TBMs Grace and Sandy, after a detailed maintenance program, have started tunnelling from the Airport Central Station and will install 3291 rings between them before breaking through into the ... More Information

First mega borer arrives for big dig under city centre

The first of five mega TBMs has arrived to extend Sydney’s new metro railway deep under the city centre. The TBM arrived at the Marrickville launch site in eight shipping containers and 23 ... More Information

Brenner Base Tunnel update

FLAVIA” joins “VIRGINIA” The last large component of the TBM “Flavia” has arrived at the Mules construction site. A short video shows the long journey that began ... More Information

Metro Line B extension in Lyon

In July SYTRAL, the transport association for Rhone Department and Lyon, awarded to the Consortium Implenia (50%)/Demathieu Bard (50%) the EUR138 million contract to build Lot GC 01 of the Metro ... More Information

Mamajo, the TBM for 3RPORT

On 07.08.2018 City Utilities unveiled the name for the 121.92 m (400-feet) long TBM – MamaJo! The TBM will dig the 8km (five-mile) Fort Wayne’s Deep Rock Tunnel at 61 m (200 feet) ... More Information

Public invited to submit comments for EIA report on Malta-Gozo tunnel

An open consultation for the public to talk about the preparation of an EIA report on the Malta- Gozo tunnel, has been launched by the Ministry for the Environment, Sustainable Development and ... More Information

PIARC international conference on Road Tunnel Operations and Safety.

If you would like to know about the PIARC conference in Lyon starting on October 3rd 2018 please click on this link to their brochure. A representative from the tunnelbuilder team will be ... More Information

Balfour Beatty VINCI announces appointment of new Managing Director for HS2 Joint Venture

Balfour Beatty VINCI today announces the appointment of Mark Davies as Managing Director for its HS2 Joint Venture. Mark Davies will take on the role from Mark Cutler who leaves after a ... More Information

11th Annual breakthroughs in tunneling short course

Learn from the case studies below at the 11th annual breakthroughs in tunnelling short course. This course will be held from the 10th to the 12th of September 2018 at the University of Denver, ... More Information

EBRD finances upgrading of Cairo Metro Line 1

Millions of commuters will benefit from a EUR205 million loan provided by the European Bank for Reconstruction and Development (EBRD) to support the Egyptian National Authority for Tunnels (NAT) ... More Information

South Hartford Conveyance and Storage Tunnel update

The Metropolitan District (MDC) announced that TBM Iris will be lowered into place this week. The parts will be lowered in separate segments approximately 61 m (200 feet) down into the South ... More Information

HRBT project

The Hampton Roads Bridge-Tunnel expansion project will move forward with the bored-tunnel construction method to deliver the next connection across the Hampton Roads harbour, the Virginia ... More Information

HS2 contract opportunities

Do you want to see the latest information on HS2? Also find information about contracts awarded directly by HS2 Ltd, including the status of current and future opportunities. Just click ... More Information

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Tunnelling News

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

The Boring Company Launches Free Tunnel Contest: AI Applications for Smart Infrastructure

According to Sawyer Merritt on Twitter, The Boring Company has announced a contest to build a one-mile tunnel for free, inviting proposals for ... More Information

Out of sight: spectacular HS2 tunnels offer glimmer of hope for stalling project

Despite much soul-searching over UK’s inability to build infrastructure, two sections of HS2 under Chilterns are being hailed for their engineering... More Information

HS2 January 2026 update

We’re making progress building the main infrastructure for the new line. We’ve completed 80% of tunnelling and are working on major bridges, viaducts and embankments, and HS2’s new ... More Information

Implenia Secures EUR 350 Mln Projects For Bridges, Tunnel Works In Germany

Tunnel to join motorway sections and connecting roads. The Swiss construction and real estate company said the Peene Bridge project in Wolgast, ... More Information

Incredible new $7.9bn mega rail and road tunnel to be the world's longest

The safety of our workers is of utmost importance during the construction of the Fehmarn Belt Tunnel. We will await the findings of the ... More Information

TBM launch from Rukanpura soon as metro work gains pace

The tunnel boring machine (TBM) for the underground network is likely to be launched from Rukanpura on Bailey Road, which falls under Corridor I ... More Information

World's largest-diameter boring machine used for Yangtze River railway tunnel

China's domestically developed, world's largest-diameter vertical shaft boring machine 'Qiming' was officially put into operation in Taicang City ... More Information

HCMC approves sea-crossing route with undersea tunnel between Can Gio and Vung Tau

Ho Chi Minh City has approved a strategic proposal by Vingroup to construct a direct sea-crossing road connecting the Can Gio coastal urban area with Vung Tau beach town, cutting travel ... More Information

Changi Airport’s new underground link to take passengers from future T5 to T2 in 4 minutes

SINGAPORE – Passengers at the future Changi Airport Terminal 5 can expect to reach Terminal 2 in four minutes via the airport’s new underground link... More Information

SRL inspires TBM Captains - Victoria's Big Build

Tunnel Boring Machine (TBM) Captains. When SRL East opens in 2035 ... Construction of SRL East is powering ahead, with more than 3000 people ... More Information

Beneath winter's fjords: 17 miles of rock, 1300 ft deep

Rogfast tunnel construction beneath Norway's winter fjords, 17 miles long and 1,300 feet deep,. Credits: Ground Engineering. For years, the E39 ... More Information

Massive Sinkhole Opens Near $26 Billion Tunnel Project in Melbourne

A massive sinkhole has suddenly opened up in Melbourne near a major highway tunnel construction site, sparking safety fears and halting ... More Information

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