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RO-KA-TECH 2019

The bi-annually German underground infrastructure trade fair will take at the Kassel Exhibition Center from May 8th  to 10th, 2019. Around 300 exhibitors are expected from around 20 ... More Information

Palermo railway link tunnel complete

Palermo railway link tunnel  complete

RFI and the Italian-Spanish consortium SIS celebrated the breakthrough of the Notarbartolo-Belgio tunnel for the Palermo railway. The Marisol TBM (diameter 9,40 m) completed the tunnel excavation ... More Information

Karavanke railway tunnel

The Karavanke tunnel between Slovenia and Austria has been undergoing maintenance and renovation work. The complete renovation of the tunnel is scheduled to be finished between 2020 and 2021. The ... More Information

Mumbai - Two new metro projects approved

On the 11th of September 2018 the Maharashtra government approved the implementation of two metro projects for Mumbai: the Dahisar-Mira Bhayander section for the metro Line 9, and the 3.17 km ... More Information

WTC 2019 - Deadline paper submission postponed

The deadline to submit papers for WTC 2019 has been postponed to September 16th 2018. Papers should be submitted in Microsoft Word (.doc) and PDF (.pdf not zipped) and according to the official ... More Information

Innotrans 2018

The international trade fair for Transport Technology, Innovative Components, Vehicles, Systems will be held at the Berlin Messe from the 18-21st September, 2018. The European Commissioner for ... More Information

Robbins Crossover TBM “Rosie” flexes her Muscle

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

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

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

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

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

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

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

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!

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

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

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

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

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

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

Tunnelling News

Lane JV Wins Tunnel Package for Hudson River Tunnel Project Valued at $466 Million

CHARLOTTE, NC – The Lane Construction Corporation, the U.S. subsidiary of Webuild Group, has won a $466 million contract, of which Lane has a 35% share, to construct the Palisades Tunnel ... More Information

World’s biggest developers eye bids for Dublin MetroLink contracts

A consortium made up of some of the biggest infrastructure developers in the world has formed in preparation to bid for contracts to build and operate the long awaited MetroLink rail line ... More Information

The Boring Company's Prufrock-3 completes Las Vegas tunnel

The tunneling startup did not share the length of the tunnel that ... construction projects with speed and automation. This is highlighted by ... More Information

Coastal road phase 2: Mumbai's second twin tunnel to pass under rivers, mangroves

As part of phase 2 of Mumbai's Coastal Road Project, a 22.93 km high-speed corridor linking Versova with Dahisar will be created. More Information

Rock tunnel for £1.7bn Norway road scheme takes shape

The consortium responsible for the construction of a new road system in Norway has excavated approximately 500m of a new 1.9km long tunnel... More Information

Tunnel boring machine reaches halfway point on HS2's route into Birmingham

Balfour Beatty VINCI is celebrating a key milestone in the construction of HS2's gateway to Birmingham. The joint venture today (Thursday 29 ... More Information

Gateway Development Commission secures $3.8B in funding for Hudson Rail Tunnel project

The money is the final funding piece for the $16 billion project to build a new rail tunnel that will carry Amtrak and New Jersey Transit trains under ... More Information

TBM Zelda starts on 6.5km Melbourne tunnel

The 4,000t machine is the first of two TBMs that will excavated a section of the project's twin road tunnels in the city's suburbs. Named after local ... More Information

Tunnels of the Future: Key Innovations and Projects at InnoTrans 2024

BBT SE, responsible for the construction of the Brenner Base Tunnel, will provide details on its ambitious project. This 55-kilometer tunnel is ... More Information

Hudson tunnel contract awarded

Webuild's Lane, ACS firms win $466 million Hudson Tunnel contract tunnels as part of the Hudson Tunnel Project in the New York City area, the Italian construction group said on Thursday. More Information

All women crew to build SRL tunnels

Crews are moving underground services and building tunnel boring machine launch sites, preparing sites for major construction. Suburban .. More Information

Officials break ground on one of world's longest underwater rail tunnels connecting 2 major cities

This tunneling project, which is part of the larger Mumbai-Ahmedabad HSR corridor spanning 315.66 miles, is part of an effort to reduce the ... More Information

Severn Trent unveils huge 25m deep new storm tank to ease flooding and prevent spills

Four tunnel boring machines were used to install the new sewer pipes under the town to minimise disruption, as well as lining 1km of old brick ... More Information

Here's how downtown Toronto's first subway tunnel in over 60 years will be dug

Crews are now drilling deep into the soil around the launch shaft ... Once piling is complete and this massive pit is dug, tunnel boring machines ... More Information

LTA awards S$199M contract for Maju-Clementi rail tunnels and S$400M for Cross Island

Construction will use a slurry tunnel-boring machine due to the hard sedimentary rock in the area. LTA has assured that rigorous safety measures ... More Information

Northside Interceptor Tunnel named after local environmental advocate

The machine will be named “Elaine” after environmental advocate Elaine Marsh. A tunnel boring machine is used to excavate tunnels through hard ... More Information

Tunnelling works complete on NI Water's £7.8m wastewater upgrade at Meadow Lane

The 25-tonne Tunnel Boring Machine (TBM) broke through to the new stormwater storage tank to complete this significant element of work. The new ... More Information

The longest railway tunnels in the world

The three rail tunnels have a diameter of 7.6 m, while the service tunnel has a diameter of 4.8 m. A total of 11 tunnel boring machines (TBM) dug the ... More Information

Reusing dirt and rock as we build the North East Link tunnels

As the TBMs dig underground, excavated dirt and rock is moved via an enclosed conveyor system that crosses high ... More Information

Nanjiao-Xichang section of tunnel

Guangzhou International Guangzhou International Recently, the right-line tunnel boring machine (TBM) tunnel of the Nanjiao-Xichang section (hereinafter referred to as the "Nanxi ... More Information

Fehmarn Belt Tunnel opening set for mid-2029

This reduces waste and simultaneously strengthens the supply security for the project by producing steel grids to size and on demand. Setting up for ... More Information

HRBT Expansion Project's first gantry extracted and lifted

Mary the Tunnel Boring Machine exited the tunnel and made her U-turn back in June. Work on the second tunnel will begin in September of this year... More Information

Gateway Board Forms Search Committee for CEO to Lead $16B Tunnel Project

The Gateway Development Commission, which leads the $16.1-billion Hudson Tunnel Project between New Jersey and New York, has launched a board ... More Information

Costain awarded £6.6m by Thames Water to upgrade Hertfordshire treatment sites

Costain, the infrastructure solutions company, has been awarded a contract with Thames Water to upgrade strategic treatment assets in Markyate and Brickendon in Hertfordshire... More Information

National Grid switches on first 2.5km circuit of £1bn London Power Tunnels 2

The LPT2 project has seen 32.5km of new tunnels bored under the capital city between Wimbledon and Crayford to host a new high voltage 275kV network. The 3m diameter tunnels were bored by ... More Information

_Goregaon-Mulund Link Road Nears Completion, Set To Cut Travel Time To 25 Minutes

The tunnels, which will be excavated using a tunnel boring machine with a diameter of approximately 14.2 metres, will be equipped with lighting ... More Information

Snowy 2.0 Tunnel Boring Machines Update

The Snowy 2.0 project continues to make significant strides with its Tunnel Boring Machines (TBMs) advancing the construction of critical ... More Information

Vancouver's Broadway subway tunnel boring equipment arrivin

The tunnels will serve all six stations of the Millennium Line SkyTrain extension project, from Great Northern Way to Arbutus Street. Each boring ... More Information

IN MEMORIAM - OLIVIER VION (1962-2024)

Through the past decades, the energy and foresight to lead the management of the ITA International Tunnelling and Underground Space Association has been in the hands of Olivier Vion, a man ... More Information

Amtrak awards construction contract for East River Tunnel rehabilitation

The $1.6 billion project calls for demolishing all existing tunnel systems down to the liner, then restoring both tubes. During the project, one tube ... More Information

Strabag in €110 million deal to equip transalpine tunnel

Austrian contractor Strabag has won a €110 million (US$120 million) to equip a transalpine tunnel linking Austria and Slovenia... More Information

19 tunnel boring machines for Manila subway set

A close-up of the tunnel boring machine head, with a diameter of 6.9 meters. ... The first cutter head of the first tunnel boring machine (TBM), named ... More Information

$16 billion Gateway Tunnel Project gets federal funding boost after years of delays

The $16.1 billion project includes a new rail tunnel linking New York and New Jersey — and is set to be open by 2035 ... More Information

Preferred bidder announced for second tunnelling contract

The global consortium of WeBuild S.p.A, GS Engineering and Construction Australia and Bouygues Construction ... Tunnel Project, North East Link ... More Information

Bechtel Picked as CM for $12.7B Single-bore BART Extension

Officials with the VTA are aiming to begin major construction and tunnelling for the $12.7-billion BART Silicon Valley Phase II Extension Project next ... More Information

Stonehenge could be put on world heritage danger list over tunnel plan

The United Nations Educational, Scientific and Cultural Organization (UNESCO) has recommended that Stonehenge be listed as ‘World Heritage in Danger’ due to the A303 upgrade scheme and is ... More Information

World’s longest railway tunnel to reopen after a year

The tunnel closed on 10th August last year following the derailment of a freight train, and SBB has since been pushing ahead with repair work... More Information

Afcons Infrastructure Wins Bid for Thane Tunnel Project

Afcons Infrastructure secures the L1 bid for a tunnel project in Thane, marking a significant milestone in infrastructure development. More Information

Kolkata Metro: D-Wall's Construction Work At Victoria Metro Station Is Advancing Swiftly

For the tunnelling work of the stretch from the Khidderpore to Park Street stretch of this Corridor, two Tunnel Boring Machines (TBM) will be deployed ... More Information