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

Grand Paris Express tunnel works restarted

 Grand Paris Express tunnel works restarted

Line 15 - On 18/06/20 the TBM Amandine, who started out from the Arcueil Cachan station (Line 15, lot T3C), broke through the wall of the future Villejuif IGR (Institut Gustave Roussy) station. The ... More Information

Fehmarn tunnel

Boskalis and joint venture partner Van Oord have started work on the construction of what will be the largest port in Europe for the Fehmarnbelt project in Robyhavn.  The working harbour ... More Information

Terratec - Argentina’s President kicks-off landmark Agua Sur tunnel

Terratec - Argentina’s President kicks-off landmark Agua Sur tunnel

CMC di Ravenna recently marked the commencement of the Río Subterráneo a Lomas tunnel, in Argentina, with a cutterhead lowering ceremony that was attended by the country’s President Alberto ... More Information

EU special infrastructures report: more speed needed in megaproject implementation

EU special infrastructures report: more speed needed in megaproject implementation

The ECA (European Court of Auditors) audited the Commission’s management of the following 8 cross-border transport megaprojects in thirteen Member States: 1) Rail Baltica: a rail line ... 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

Final Koralm tunnel breakthrough

Final Koralm tunnel breakthrough

On June 17th 20202 the final breakthrough in the north tube of the Koralm tunnel took place. Since 2014, tunnellers have dug through the mountain from Carinthian Lavanttal with the TBM Kora. After ... More Information

Warsaw metro Line 2 update

Warsaw metro Line 2 update

On the 12/06/2020 TBM Maria  broke through at the C20 Kondratowicza station. The TBM completed the first part of the right tunnel on the north-east section of metro Line 2 in Warsaw. The ... More Information

Tideway Sewer updates

Tideway Sewer updates

Tideway is building a new 25km super sewer,  deep beneath the Thames, where around two million tonnes of sewage overflowing from the pumping station and into the River every year, will be ... More Information

New images of 1ST Chiltern tunnels launch site

New images of 1ST Chiltern tunnels launch site

The excavation of the TBMs launch site and the construction of the concrete precast plant for the Chiltern tunnels on the London to Birmingham high speed rail line, HS2 First Phase project has now ... More Information

Zitron carries out successful test of axial fan

Zitron carries out successful test of axial fan

On the 04/06/2020 Zitron successfully carried out the most challenging high temperature test to date on a tunnel axial fan: 600 ºC for 120 minutes. These fans will be installed at the ... More Information

Successful passage of TBM Gaia under the Rhine-Schie canal

Successful passage of TBM Gaia under the Rhine-Schie canal

On the 16th of June comol5 celebrated a major milestone by successfully drilling under the Rhine-Schie Canal for the second time. It was the most difficult and exciting part of the drilling ... More Information

Green light from Michigan Court of Appeals for the Great Lakes oil pipeline tunnel

On the  11/06/2020 the Michigan Court of Appeals ruled that legislators did not violate the state constitution by allowing construction of an oil pipeline tunnel beneath a channel linking two ... More Information

Geofluid 2021

Geofluid 2021

Piacenza Expo has decided to postpone the GEOFLUID exposition until 2021. The new date for your diaries will be the 15th  to the 18th of  September 2021 at the exhibition centre ... More Information

A1 Santa Lucia tunnel breakthrough

On the 08/06/2020 the TBM EPB S-900 Herrenknecht (diameter 15.87 m) completed the excavation of the 7551 m Santa Lucia tunnel on Barberino di Mugello - Calenzano section, A1 Motorway in Italy. ... More Information

Prior Information Notice for the Sucre III Water Conveyance System

ELAPAS (Empresa Local de Agua Potable y Alcantarillado Sanitario) from the city of Sucre, Bolivia, has published the Prior Information Notice for the Sucre III Water Conveyance System (Lot ... More Information

WTC 2021 - deadline for abstracts extended

ITA-AITES and the Danish Society for Tunnels and Underground Works (DFTU) call for abstracts for the World Tunnel Congress 2021 in Copenhagen 16-19 May 2021 has been extended to the 16 June 2020. ... More Information

The Big 5 in Dubai postponed

The Big 5, the annual trade event connecting the global construction community in Dubai, is moving dates from 23-26 November 2020 and will be held next on 12-15 September 2021, at the Dubai World ... More Information

A Virtual visit to the Robbins booth at NAT

Don't forget to stop by the Robbins booth at the North American Tunnelling (NAT) virtual trade show, where you can view a curated selection of Robbins latest news, white papers, videos and ... More Information

NAT week is almost here!

Are you ready for the North American Tunnelling (NAT) Virtual Conference? Register and get a week full of informative talks on intriguing topics from June 8-12. Visit  ... More Information

The ITA tunnelling awards 2020

The call for entries has been extended until the 23rd  June 2020 for the 6th edition of the international tunnelling and underground space awards. The ITA Awards  will take place at the ... More Information

First two tenders for the Ontario Line

First two tenders for the Ontario Line

Infrastructure Ontario (IO) and Metrolinx have issued two Requests for Qualifications (RFQs) for the Ontario Line project.  The Ontario Line is a 15.5-km stand-alone rapid transit line that ... More Information

TBMs for Bangalore Metro Line-4

On 28/05/20 Larsen & Toubro began lowering parts of TBM DZ669 (named Avni) and DZ671 (named Vindhya) into the Shivajinagar and Cantonment stations, respectively, for driving tunnels on the ... More Information

Balfour Beatty joint venture awarded HK$7.2 billion (c. £760 million) major tunnel project at Hong Kong International Airport

Balfour Beatty today announces that its 50:50 joint venture, Gammon Construction, has been awarded a HK$7.2 billion (c. £760 million) contract to deliver tunnels and associated works for an ... More Information

Greenlight for E6 Ranheim-Vaernes highway

Greenlight for E6 Ranheim-Vaernes highway

Acciona and Nye Veier, the Norwegian state highway authority, have reached an agreement to proceed to the next stage of the design and construction of the E6 Ranheim-Værnes highway. Work is ... More Information

Deutsche Bahn milestone in Stuttgart.

Deutsche Bahn milestone in Stuttgart.

On the 06/05/2020 Deutsche Bahn reached another important milestone as part of the Stuttgart 21 project, by breaking through the east tube of the 9.5-km-long Filder tunnel: the last of four tunnels ... More Information

TERRATEC EPBMs achieving good progress on Istanbul Metro

TERRATEC EPBMs achieving good progress on Istanbul Metro

A number of TERRATEC Earth Pressure Balance TBMs are achieving great progress rates on new lines for Istanbul’s ongoing metro expansion despite the Covid-19 outbreak. TERRATEC is pleased to ... More Information

Penetron Crystalline Technology for new tunnel

Penetron Crystalline Technology  for new tunnel

The Penetron Italy team were approached to provide a waterproofing solution for an underground pedestrian tunnel, elevator shafts, and different concrete structures for the new San Martino ... More Information

EUROCK 2020 Postponed

The 2020 ISRM International Symposium will be held on 12-14 October 2020. The event will take place at the same venue in Trondheim, Norway. All associated ISRM meetings will also be moved to new ... More Information

Alice and Millie Tunnelling East

Alice and Millie Tunnelling East

Metro tunnel in Australia have reached another major milestone, with tunnel boring machines (TBM) Millie and Alice now both on their way to South Yarra. The green TBM Alice, named after wartime ... More Information

Metro Line 2 in Warsaw - update

Metro Line 2 in Warsaw - update

There are four TBMs Krystyna and Elisabetta, Maria and Anna that are being used to tunnel the central Targowek and Wola sections of the Warsaw metro line 2. TBMs Krystyna and Elisabetta will now ... More Information

First stone laid for SS 106 Ionian Highway

On the 19/05/20 in Francavilla Marittima in Cosenza province, the first stone was laid for the Mega Lot 3 of the SS 106 Ionian Highway. The EUR980 million project, was commissioned by state road ... More Information

STRATA LAUNCHES NEWLY DESIGNED EMERGENCY REFUGE CHAMBER (ERC)

 Strata Worldwide is excited to announce the global launch of its next generation emergency refuge chamber; the Strata ERCX. The Strata ERCX is a steel-sided, walk-in refuge chamber for use ... More Information

Brighter, lighter conditions for George Massey Tunnel

Work is underway to improve brightness and visibility in the George Massey Tunnel. Claire Trevena, Canadian Minister of Transportation and Infrastructure, said the government continues to move ahead ... More Information

Press release - Swiss Tunnel Congress (STC) 2020 – Webinar

This year’s Swiss Tunnel Congress will be taking place in the form of a webinar due to the current worldwide pandemic (COVID-19). A video of the recorded congress will be published on the ... More Information

Normet Launch New Range of High Performance TBM Tail Sealants

Normet Launch New Range of High Performance TBM Tail Sealants

The next generation of high performance, eco-friendly tail sealants for shielded tunnel boring machines have been introduced into the Normet TBM product range.   The new range of ... More Information

Name chosen for NZ City Rail Links TBM

The winning name for City Rail Link’s TBM is Dame Whina Cooper. City Rail Link’s TBM will share the name of Dame Whina Cooper, a woman who spent most of an illustrious life leading the ... More Information

Tunnelling News

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

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