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Paris Line 11 extension

Paris Line 11 extension

The Paris Line 11 extension to Rosny-Bois-Perrier will be built with cut  & cover, conventional and TBM methods. The central part of the new alignment between the Serge Gainsbourg ... More Information

Press release for the 3rd ASEAN Rail Summit

Press release for the 3rd ASEAN Rail Summit

As the fastest growing region in the global economy, Southeast Asia emerging economies have attracted worldwide attention. It is estimated that by 2020, ASEAN is expected to become the ... More Information

Cooling the Tube

Retired Chartered Engineer CALVIN BARROWS proposes simple but innovative solutions to the age-old problem of overheating metro networks. Worldwide there are a significant number of Metro networks ... More Information

The Blue line extension in Montreal

On July 4th , 2019 Canada’s Prime Minister Justin Trudeau, joined by Mayor Valerie Plante, the Quebec Junior Transport Minister and Minister Responsible for Montreal, Chantal Rouleau and ... More Information

Purple Line Extension in Los Angeles

Purple Line Extension in Los Angeles

New allocation from the FTA for section three of the Metro has received a new allocation of AUD100 million from the Federal Transit Administration (FTA) for the third and final section of the ... More Information

Boring begins on the West Gate Tunnel

Boring begins on the West Gate Tunnel

The launch site - from where the 90 m long TBMs will dig south west to build the twin tunnels to connect the West Gate Freeway to the port, city and CityLink in Melbourne - has taken a year to ... More Information

Tallinn-Helsinki tunnel memorandum of understanding signed

Finest Bay Area Development has signed a memorandum of understanding with three Chinese companies, as part of plans to build the 100 km (60 mile) double undersea train tunnel from Tallinn in ... More Information

Melbourne Metro - Breakthrough at State Library Station

Melbourne Metro - Breakthrough at State Library Station

Three roadheaders have met 30 metres underground in the first major breakthrough, connecting two excavated caverns that will become State Library Station. The road headers have dug out more ... More Information

Bahrain Rail Congress 2019 – Press release

The Bahrain Rail Congress 2019 will be held under the theme “Designing & Developing a Well Connected, World Class, National Rail Network in the Kingdom of Bahrain” which is ... More Information

Excavation of the western section of the M4 completed

On  the 10th of July 2019 a second TBM arrived at Parco Solari station in Milan. Thus completing the excavation of the tunnels from San Cristoforo to Solari, part of the western section of ... More Information

Joint venture for tunnel project

Element Construction are looking for a tunnel construction company to be part of a joint venture on a tunnelling project. The tunnelling project is to build two parallel tunnels for a highway, ... More Information

West Gate tunnel update

Before tunnelling for the West Gate Tunnel Project begins in 2019, they need to divert a 600 metre section of the North Yarra Main Sewer. Diverting a sewer is a massive job that involves ... More Information

Thames Tideway Tunnel: Aerial Photos Reveal £4.2 Billion Project's Progress

London’s £4.2 billion super sewer is seen from the air as new pictures reveal deep shafts carved into the banks of the River Thames. The Thames Tideway tunnel snakes alongside the ... More Information

TBM Sandy arrives at Redcliffe

TBM Sandy arrives at Redcliffe

On Saturday, July 6th , the second 130m-long TBM arrived at Redcliffe Station for the Forrestfield Airport Link project. TBM Sandy broke through into Redcliffe Station, emerging from her most ... More Information

Ghella wins Cross River Rail Tunnel, Stations and Development Package

Ghella, as part of the Pulse consortium, which is led by CIMIC Group, has reached contractual and financial close with the State of Queensland to deliver the Tunnel, Stations and Development (TSD) ... More Information

Purple Line - TBMs Harriet and Ruth named and unveiled

Purple Line - TBMs Harriet and Ruth named and unveiled

Metro NET celebrated the ceremonial naming and unveiling of its second set of tunnel boring machines that will dig twin subway tunnels between Beverly Hills and Century City. Subway tunnelling is ... More Information


The International Seminar on Roads, Bridges and Tunnels, the ISRBT2019 will take place in Thessaloniki, 7-9 November. It will consist of three daily Sessions, 7th November: Roads, 8th November: ... More Information

TERRATEC TBM breaks through on Bangkok tight radius curve

TERRATEC TBM breaks through on Bangkok tight radius curve

TERRATEC’s tight radius TBMs are enabling a highly challenging project alignment for Bangkok’s Metropolitan Electricity Authority in one of the city’s busiest downtown areas. In ... More Information

TBM Kathleen prepares for historic dig under the Harbour

TBM Kathleen prepares for historic dig under the Harbour

Tunnel Boring Machine (TBM) Kathleen has passed its final inspection and is now ready to launch from Barangaroo next month to dig the historic rail crossing deep under Sydney Harbour. The 975 ... More Information

EXPO Ferroviaria 2019

EXPO Ferroviaria 2019

EXPO Ferroviaria 2019, the 9th International Railway Exhibition, will take place from Tuesday 1st  to Thursday 3rd of October 2019 at the Rho Fiera exhibition centre, ... More Information

VMT - Combining Guidance Technologies Provides Accurate Solution for Cable Installation

VMT - Combining Guidance Technologies Provides Accurate Solution for Cable Installation

The Award-winning E-Power Pipe® system, which was developed by Herrenknecht AG as a new method for the quick and secure installation of small-diameter cable protection pipes underground for ... More Information

First TBM arrives at the Colosseum

On the 24th of June TBM 1 which is excavating the Rome Line C arrived near the Colosseum, while TBM 2 has passed the Piazza Celimontana shaft. After arriving at Fori Imperiali the TBMs, cannot ... More Information

Penetron waterproofs the Xi’an underground utility tunnel

Penetron waterproofs the Xi’an underground utility tunnel

Construction on the Xi’an utility tunnel project is ongoing. With estimated total costs of US$2.6 billion, it is currently China’s single largest infrastructure project. The planned ... More Information

News for Z-Morh and Zojila tunnels on NH1 in Jammu & Kashmir

The government of India, following the IL&Fs financial crisis, cancelled the contracts with first contractors for the construction of the 14-km-long Zojila and 6.5-km-long Z-Morh tunnels on the ... More Information

World Road Congress Abu Dhabi 2019

World Road Congress Abu Dhabi 2019

Early bird registration for the 26th World Road Congress has now been extended until the 30th of June. For further information about the congress please click here. To register for the event ... More Information

Normet making history by doing underground explosives charging on batteries

Normet making history by doing underground explosives charging on batteries

Iisalmi, Finland, June 12, 2019. Normet made history by demonstrating battery electric emulsion charging in production environment underground on June 4th in Pyhäsalmi mine, Finland, with ... More Information

WTC2020 - Submit your abstract!

WTC2020 - Submit your abstract!

The World Tunnel Congress (WTC) 2020 will be held in the Kuala Lumpur Convention Centre, Kuala Lumpur. Growing numbers of underground innovations claimed to hold the key to unlock the door to ... More Information

Sydney Metro Project: tunnelling edges closer to the Harbour

Sydney Metro’s third mega TBM has broken through a wall of rock at the new Crows Nest Station, marking a major milestone in the project which will link the North West Metro to the CBD and ... More Information

Fehmarn Belt - EU Probing €8.7billion Tunnel Project's Financing

After appeal Europe's competition enforcer launched an in-depth investigation on the 14.06.2019  into public financing for a planned €8.7 billion ($9.8 billion) rail and road tunnel ... More Information

Forrestfield's TBM Grace at Bayswater

After relaunching, TBM Grace has now successfully tunnelled through the station box d-wall (western end). After spending five weeks at Redcliffe Station, where she underwent scheduled ... More Information

Cipa and Rome Metro C

Cipa and Rome Metro C

CIPA S.p.A.  is carrying out the widening excavations of the odd and even tracks on the section of the Rome Metro C between the well 3.3 and the San Giovanni station. On the left side of the ... More Information

Remembering Dick Robbins 1933-2019

Remembering Dick Robbins 1933-2019

It is with deep sadness that The Robbins Company announces the passing of Richard James Robbins, President and CEO from 1958 to 1993. Dick passed away surrounded by family on Thursday May 30, 2019 ... More Information

ITA Tunnelling Awards 2019 in Miami - Florida - New Extended Deadline June 22nd, 2019

THE ITA TUNNELLING  and UNDERGROUND SPACE AWARDS 2019- 5th EDITION. The 5th edition of the international tunnelling and underground space awards welcomes new applications, ITA is now calling ... More Information

Boryeong undersea tunnel opens

Boryeong undersea tunnel opens

The Korean Ministry of Land, Infrastructure, and Transport announced that on June 6th, the South bound of the 6,927 m Boryeong Undersea tunnel, Korea’s longest undersea tunnel, had broken ... More Information

Heung Yuen Wai Highway and tunnels opens to the public

Heung Yuen Wai Highway and tunnels opens to the public

On the 26th  May 2019 the 11-km dual two-lane carriageway Heung Yuen Wai Highway opened to public. The highway includes the 4.8km Lung Shan Tunnel, 0.7km Cheung Shan Tunnel,  4.5km of ... More Information

Register by July 30th and Save at the 12th Annual Breakthroughs in Tunneling Short Course

The early registration discount for ‘The 2019 Breakthroughs in Tunneling Short Course’ ends July 30th.  Early registrants will save $100 off the price of full conference ... More Information

Tunnelling News

Judge rejects challenge to £1.7bn Stonehenge Tunnel

The High Court has thrown out a case brought by campaigners against the £1.7bn Stonehenge Tunnel project. Mr Justice Holgate said most of the ... More Information

9 of the longest underwater tunnels in the world

These stations are the first railway stations constructed under the sea and serve as emergency escape points in case of a disaster. Today, the Seikan ... More Information

EPC contractors sought for Dubai's £17bn sewer tunnels project

The strategic sewerage tunnels project by Dubai Municipality known as the Deep Tunnels Portfolio will involve the construction of wastewater assets ... More Information

The $7BN Mega-Tunnels You've Never Heard Of

But thanks to some incredible underground construction methods, Antwerp is now on course to complete a massive piece of infrastructure it's been ... More Information

3 listed & 2 Unlisted get LOA to build Mumbai Coastal Road Ext

The underground tunnel will run below Malad and Kandivali through the Mangrove creeks and a tunnel boring machine (TBM) will be used for this phase. More Information

New tunnel planned to under the Thames at Tilbury and Gravesend

ianVisits ... tunnel (c) National Grid. Construction will be done by a conventional tunnel boring machine (TBM), which will launch from a 41-metre deep shaft dug ... More Information

Third tunnel breakthrough on Guildford sewage works

A micro-TBM recently broke through on a new tunnel being built for Thames Water's project to relocate sewage treatment works in Guildford. More Information

Japan maglev train project being derailed by Shizuoka stalemate

Opposition in Shizuoka Prefecture emerged from fears the planned tunnel construction for the line could adversely affect the overall volume of water ... More Information

World's most expensive tunnel that ended up costing a whopping £2.3m a day to build

Over 5000 construction workers were employed to complete the Central Artery/Tunnel Project in the United States. More Information

Underground or Elevated Metro Rail – Which One is Better for India?

The cost of tunnel boring machines (TBM) is another significant component. The tunneling cost can be reduced by making longer tunnel contract ... More Information

From Undersea Tunnel To Station Redevelopment

The NHSRCL will construct an adjoining tunnel location as part of the package. To construct this tunnel, the Tunnel Boring Machines (TBMs) with a ... More Information

Second tunnel boring machine for Broadway Subway reaches South Granville Station

The tunnel boring machines will end their journey just before Arbutus Station, which spans two city blocks, with the west block used as the footprint ... More Information

BESIX-MTH awards Nordhavn work to Bravida

... construction of the Nordhavn Tunnel. By & Havn is tasked with developing Ørestad and the port of Copenhagen and runs the daily operations of the ... More Information

After India's first undersea tunnel, Mumbai to get its longest intra-city underground road

... construction with viaducts and modern safety measures. The Coastal Road tunnel is India's first undersea tunnel, constructed using a 12-metre ... More Information

3,200 tonne TBM delivered to France-Italy rail tunnel project

A tunnel boring machine (TBM) manufactured by German tunnelling and mining firm Herrenknecht has been delivered to the Lyon-Turin Mont Cenis base ... More Information

FPT Industrial engines power the construction of the longest immersed tunnel in the world

The construction of the Fehmarnbelt tunnel is an important addition to Europe's sustainable transport network of the future. It will offer the ... More Information

Work resumes at Silkyara tunnel after 2 months

On the instructions of the Union Ministry of Road Transport and Highways, construction work of protective nature has begun from both Barkot and ... More Information

Webuild Joint Venture awarded Pape Tunnel and Underground Stations Progressive DB contract

Webuild will lead a joint venture to develop the project for the "Pape Tunnel and Underground Stations (PTUS)" section of the Ontario Line, the new rapid transit line that will run through ... More Information

Third Tunnel Boring Machine Lowered at Panagal Park

In a significant milestone for the Chennai Metro Phase 2 project, the third Tunnel Boring Machine (TBM) has been successfully lowered at the ... More Information

T2D Project benefits

Adelaide is the country's only mainland capital city without a non-stop motorway in its metropolitan area. The existing transport network is struggling to meet demand, with more than ... More Information

LONDON'S SUPER SEWER: A last visit to the tunnels

With shafts being capped off across the #SuperSewer project, CEO Andy Mitchell paid a visit to Chambers Wharf in Bermondsey for what could be the last time he sees the vast tunnel ... More Information

SKATE Competence Matrix for Tunnelling

The Tunnelling SKATE matrix consolidates best practice and benchmarks the role levels and Skills, Knowledge, Attitude, Training and Experience criteria for most occupations involved in ... More Information

Casablanca, Madrid and the Strait of Gibraltar tunnel megaproject

The Strait of Gibraltar tunnel megaproject is one of the few engineering projects in the world with the capacity to change the geopolitical order and relations between Europe and Africa... More Information

Metrolinx - inside the tunnel

Metrolinx is sharing a rare look inside the record-breaking tunnel currently being carved out for the 7.8-kilometre Scarborough Subway Extension (SSE) project... More Information

HS2 Project Update, January 2024

HS2 is preparing to enter a critical new phase with the development of state-of-the-art rail systems that will allow passengers to enjoy some of the world’s most reliable intercity train ... More Information

Kalpataru Projects International bags orders worth Rs 3244 crore

TBM (tunnel boring machine) tunnelling scope. Advt. According to a statement, Kalpataru Projects International Ltd (KPIL) along with its joint ... More Information

UK's HS2 High-speed Rail Nears $6B Fit-out Phase

... tunnels. Under the Chiltern Hills, around 25 miles from London, two tunnel boring machines have completed 90% of the project's longest drives, of ... More Information

Akron gets approval for smaller Northside Interceptor Tunnel, but more work planned

He said the tunnel boring machine, which must be custom-built, has been put on order. "We had to bid this project by a certain date," he said ... More Information

Shimla introduces modern tunnel

Shimla, the picturesque capital of Himachal Pradesh, has unveiled a state-of-the-art tunnel, replacing a historic passage that served for 171 ... More Information

Launch of work for India's first undersea tunnel milestone in 2023 for bullet train project

... construction, the statement said. Civil works for stations have started along with works on Surat and Sabarmati high-speed rail depots. The ... More Information

Shimla's Sanjauli-Dhalli Tunnel Is Now Open; 26 More Tunnel Projects for the Himalayan Region

For enhanced connectivity and safer infrastructure, Himachal Pradesh Chief Minister Sukhvinder Singh Sukhu inaugurated the newly constructed ... More Information

Construction firms sign $174M contract to work on Howard Street Tunnel improvement project

Swedish company Skanska and Illinois-based Fay Construction Co. have signed a $174 million contract with CSX Transportation for the Howard Street ... More Information

Sub sea tunnel opening in the Faroe Island

The Sandoyatunnel was opened for the public. The tunnel is the last of the two tunnels in the Eysturoy - Sandoy project. Each of the tunnels are around 11 km in length and the project is a ... More Information

Waterfront Tunnel

Today, the Waterfront Tunnel stretches from AlexRenew to the end of King Street, over 150 feet below the Potomac riverbed. Only a few more blocks to go in her 2-mile-long, waterway-saving ... More Information

Mechanical Earthworm: The Wonders of the TBM in Action

Welcome back to another installment in our series on the Ritom Power Plant refurbishment. Today, we delve into how the Tunnel Boring Machine (TBM) used in the project operates. ... More Information

HRBT Expansion Project

Follow HRBT Expansion Project Director, Ryan Banas for the Fall 2023 Project Tour Video as he takes us on an inside look at progress, plans, and construction updates across the corridor... More Information

Tunnels and Underground Works for Pumped Storage Hydropower Projects: Challenges and Opportunities Panel Discussion

The NSW ATS invites all members, non-members and students to participate in this captivating hybrid (in person and webinar) panel discussion centred on the challenges and opportunities for ... More Information

Lower Thames Crossing, Driving Carbon out of Construction

In December 2023, we brought together our Delivery Partners and a large cross section of the UK construction industry to share our plans to drive carbon out of the construction of the ... More Information

HS2 tunnel segments on the move from Hartlepool to London

Deliveries of HS2’s tunnel segments have begun from Hartlepool, using the UK’s rail network to minimise road traffic and drastically reduce carbon emissions. STRABAG, the company ... More Information