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

Industrial Patent granted to Fama

Industrial Patent granted to Fama

During WTC2015 at Dubvronik, Fama revealed that the Italian Ministry for Economic development has recognized their original contribution to technical evolution in underground sealing technology by ... More Information

Strategic function of alpine tunnels

An international conference on the strategic function of alpine tunnels will be held in Rome 22-23rd October, 2015. All interested authors are invited to send an abstract in order to exchange ... More Information

Expotunnel Milan 2015

ExpoTunnel and the Italian Tunneling Society, for EXPO 2015, will organize an International Conference about tunnelling on 8-9th October, 2015 in the Milan Leonardo da Vinci Museum of Science ... More Information

Systemair fans for fjord tunnels

Systemair fans for fjord tunnels

Systemair Norge has supplied 88 new Mojet® fans for upgrading the ventilation system in Byfjord tunnel (5,875 m length and 223 m below sea level) and Mastrafjord tunnel (4,424 m ... More Information

Eleven Qatar contracts awarded

Eleven Qatar contracts awarded

On 10.05.2015 Ashghal, the Qatar Public Works Authority, announced the award of 11 contracts for infrastructure projects under the Inner Doha Resewerage Implementation Strategy (IDRIS), and the ... More Information

Super accurate drilling from Sandvik

Super accurate drilling from Sandvik

Sandvik Construction is introducing more advanced tunnelling drillrig instrumentation which, coupled with existing drill/blast design and control systems, brings higher levels of accuracy to ... More Information

Fehmarnbelt approval

On 28.04.2015 the Danish Parliament adopted the Construction Act for the fixed link across the Fehmarnbelt and the Danish landworks, authorizing the state-owned companies Femern A/S and A/S ... More Information

Datwyler – 100 years growing with the Challenge

Datwyler – 100 years growing with the Challenge

With determination and the spirit of a pioneer, Adolf Datwyler in 1915 laid the foundation for success. He recognised the signs of the times early and invested counter-cyclical. In 1958, ... More Information

Riyadh TBM startup

Riyadh TBM startup

On 30.04.2015 the first of two FAST Consortium TBMs started tunnelling the Riyadh Metro Green Line. The TBM, named Dhafrah, meaning Victory in Arabic, started boring on the 12.9 ... More Information

Brenner lot 3 approved

CIPE has approved the construction of Brenner Basis Tunnel, Lot 3 Mules-Brenner. Some EUR920 million are now available for the Brenner project to be added to EU funds. The lot involves completion of ... More Information

Buenos Aires Line F

Buenos Aires Line F

In Argentina, Mr Juan Pablo Piccardo, president of SBASE (Subterraneos de Buenos Aires Sociedad del Estado) announced that the Buenos Aires authority will launch this year a EUR624-713 million ... More Information

Cascina Merlata opening

Cascina Merlata opening

In Italy, on 28.04.2015, the new link between Milan Western By-Pass Road A50 and the A8 motorway opened. The design is part of the complex set of upgrading and territorial innovation actions ... More Information

Bekaert Maccaferri to exhibit

Bekaert Maccaferri to exhibit

The new company Bekaert Maccaferri Underground Solutions will exhibit at major trade shows during 2015 including: WTC Dubrovnik, Croatia (booth 73-74); RETC New Orleans, US (booth 818); and STUVA ... More Information

Sandvik Construction yearbook

Sandvik Construction yearbook

The 2014 Sandvik Construction yearbook is now available in digital format. Click here and visit www.sandvik-construction.com. 18/15. More Information

Kaneohe-Kailua Gravity Sewer Tunnel

Kaneohe-Kailua Gravity Sewer Tunnel

The TBM S-172 (weight 160 t, diameter 3.96m) built by Herrenknecht and named Pohakulani, meaning “Rock girl from the heavens” - is ready to start excavation of the  4.8 km-long ... More Information

VMT newsletter

VMT newsletter

The first VMT newsletter of 2015 is available for download. Click here and visit www.vmt-gmbh.de. 18/15. More Information

A myth dispelled

A myth dispelled

The full recording of the Robbins webinar on the success of TBMs over other tunnelling methods is now available for viewing at http://bit.ly/TBMRecording. All of the questions that were posed before ... More Information

Purple Line to San Siro

Purple Line to San Siro

On 29.04.2015 Metro 5 SpA will inaugurate the extension Garibaldi station to San Siro Stadium with five new stations of driverless automatic Line 5 in Milan. The Purple Line from Bignami Northern ... More Information

Seven Service in UAE tunnel

Seven Service in UAE tunnel

Seven Service has delivered its first rotary washer to Abu Dhabi (UAE): 576 m - 72 m underground and 504 m above ground - in the Al Salam tunnel. Seven Service, after the acquisition of contracts in ... More Information

Sandvik quarry seminar

Sandvik quarry seminar

Sandvik Construction Russia, together with official distributor Quarry-Service, recently held a highly successful Quarry Seminar located in Yekaterinburg. It was focused on the drilling and blasting ... More Information

Karavanke dualling

Karavanke dualling

On 14.04.2015, at Bruck an der Mur, Austria, the Slovenian and Austrian state motorway companies signed an agreement on the construction of a second tube of the 8 km-long Karavanke tunnel linking ... More Information

HST Tokyo to Nagoya

HST Tokyo to Nagoya

At the beginning of April a Japanese magnetic levitation train broke its own world speed record, hitting 603 km/h. The test marks the end of high-speed test runs to decide the best operational speed ... More Information

Rome B1 metro complete

Rome B1 metro complete

On 21.04.2015 Salini Impregilo SpA completed and handed over to the city of Rome the last section of line B1 of the Rome Metro stretching from the Conca d'Oro station to the Jonio station. The Jonio ... More Information

WTC technical visits

WTC is offering four interesting technical visits that will take place after the closure of the congress: Underground structures of HPP Zakucac and HPP Peruca - on 28.05.2015 Underground ... More Information

Evergreen line TBM maintenance

Evergreen line TBM maintenance

In British Columbia, Canada the Evergreen Line is being driven by TBM Alice, named for Alice Wilson, born in 1881 in Cobourg (Ontario) and the first woman to hold a professional position at the ... More Information

Sunset Tunnel renovation

Last month the San Francisco Municipal Transportation Agency (SFMTA) began replacing the ageing track and other infrastructure inside the 1,290 m Sunset Tunnel to improve safety and reliability of ... More Information

Call for Abstracts

All authors are invited and encouraged to submit their maximum 300 words abstracts for consideration and inclusion in the Scientific Programme for Underground Construction Prague 2016. All abstracts ... More Information

Toronto-York Spadina plan

In Canada, the TTC Board approved a plan to complete the Toronto-York Spadina Subway Extension (TYSSE) project by the end of 2017. Tunnelling with the four TBMs was completed 18 months ... More Information

Eglinton Crosstown TBMs move

Eglinton Crosstown TBMs move

Over the weekend of April 17-20, 2015 the TBMs Dennis and Lea involved in the construction of the Eglinton Crosstown light rail transit line in Toronto, Canada will be lifted out of the extraction ... More Information

Improving rail links to Heathrow

A new direct rail link connecting the west to Heathrow will improve passenger journeys to the UK’s busiest airport and help to increase economic productivity across the Thames Valley. Network ... More Information

Sandvik DT1131i jumbo in Korea

Sandvik DT1131i jumbo in Korea

A new high speed railway is being constructed in Korea to link Wonju and Gangneung as part of an extensive infrastructure programme for the 2018 Pyeongchang Winter Olympics. Gusan Construction has ... More Information

New Sandvik Construction website

New Sandvik Construction website

Sandvik Construction has launched a brand new website to provide customers with information tailored to their specific requirements. To view, visit www.construction.sandvik.com. 15/15. More Information

Parallel Thimble Shoal tunnel

The Parallel Thimble Shoal Tunnel Project in Virginia, US currently includes the following elements of design and construction: approximately 1,740 m of two-lane tunnel connecting previously ... More Information

Robbins system in Indianapolis

Robbins system in Indianapolis

On 05.03.2015 a Robbins 6.2 m-diameter Main Beam TBM completed boring a 2.8 km-long extension tunnel, known as the Eagle Creek Tunnel, for the Indianapolis Deep Tunnel System in Indiana, USA. The ... More Information

Turkey Expositions

Tunnel Expo Turkey takes place in Istanbul 27-29th August, 2015. The Expo parallels a concurrent Mining Expo, and also hosts a tunnelling short course. Read the prospectus and visit ... More Information

Delaware-Rondout Aqueduct Bypass Tunnel

The Department of Environmental Protection (DEP) will build a 4.02 km-long bypass tunnel around a leaking portion of the Delaware-Rondout aqueduct in New York. Other leaks in the Town of Wawarsing, ... More Information

Tunnelling News

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

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