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BBT - Updates on the Brenner Base Tunnel

Hochstegen: Another construction lot of the Brenner Base Tunnel is now complete The Swietelsky Tunnelbau company, which in 2021 secured the EUR102 million contract for the construction ... More Information

TURIN-LYON - construction of the base tunnel starts in Chiomonte

The official commencement of the excavation for the Italian section of the Mont Cenis base tunnel, a pivotal part of the Turin-Lyon railway line, began on December 18, 2023, in Val di Susa. ... More Information

CRCHI "Channel Express" TBM breakthrough for Subsea in Singapore

On November 22, Singapore witnessed a breakthrough in the TWRP Pipeline-C1 Tunnel, thanks to CRCHI's innovative "Channel Express" slurry Tunnel Boring Machine (TBM) which has a 6.87m diameter. This ... More Information

USA/Texas - The TBM Dallas completed the first tunnel for the PL19TUN project

The EPB TBM, named Dallas, launched last June has holed through on the 457.20 m (5100-foot) Cedar Creek tunnel. Which is part of the IPL Section 19 Long Tunnel Crossings project (PL19TUN) currently ... More Information

Snowy 2.0 tunnelling restarts at Tantangara

Tunnelling of the Snowy 2.0 headrace adit at Tantangara has restarted after a delay caused by soft ground conditions and the emergence of a sinkhole above TBM Florence. The NSW government ... More Information

Press release - Second giant HS2 tunnel boring machine gets ready to start digging under Birmingham

A team of 90 specialist engineers have completed the assembly of HS2’s giant tunnel boring machine (TBM) which will start digging the second bore of the 3.5 mile Bromford Tunnel into ... More Information

New tunnel world record set at Woodsmith project

Strabag UK, a civils contractor, has achieved an astounding feat in Yorkshire, setting a new world record for the longest single tunnel boring machine drive. Their groundbreaking achievement ... More Information

Press release - Lower Thames Crossing delivery team complete

National Highways has today (07 December 2023) announced that it has awarded Bouygues Travaux Publics – Murphy Joint Venture the contract to build the country’s largest bored ... More Information

TERRATEC TBM celebrates breakthrough on Chennai Metro

TERRATEC TBMs achieve another breakthrough on the Chennai Metro Rail Phase-II Corridor 3, a 9km twin-tube tunnel (totalling 18km) in India. In November, TERRATEC proudly celebrated a breakthrough of ... More Information

9th edition of ITA Tunnelling Awards - List of winners is disclosed

Since 2015, the international competition seeks and rewards remarkable achievements in tunnelling and the underground industry. Organized by the International Tunnelling and Underground Space ... More Information

Turin/Lyon - TELT's third TBM

On 27/11/ a third TBM was completed at the Herrenknecht AG plant. The TBM is 10.5 m in diameter, 2000 tonnes in weight and 180 m long. It will excavate an 8.3 km section of TELT's Turin-Lyon base ... More Information

Registration for the Norway National Tunnel Forum 2024 is now open!

The registration for the National Tunnel Forum to be held on 6–7 March 2024 in Trondheim has now opened and will remain so until 5 January 2024. The event will start at 10.00 on Wednesday 6 ... More Information

HS2: Half of Chiltern tunnel cross-passage mining complete

The construction of the HS2’s longest tunnel - stretching for 16.09 km (10 miles) under the Chilterns - passed a key milestone this week with mining completed for 19 out of 38 emergency ... More Information

Advancing the Terzo Valico-Genoa Junction: RFI and Webuild Agreement

November 21, 2023, marked a pivotal moment as RFI and Webuild signed a Contract Rider valued at EUR 700 million. This agreement aims to ensure the seamless progression of the Terzo Valico dei ... More Information

Tuscany's Railway Progress: Serravalle Tunnel Unveiled

In a significant leap forward for Tuscany's railway infrastructure, the final stretch of the Serravalle tunnel, spanning approximately 1.6 kilometers, was demolished on November 22, 2023. This marks ... More Information

End of Project Major Equipment Auction Series

Lloyds Auctions are holding a massive tunnel, rail, civil, plant and equipment auction with over 900 pieces of big brand equipment in excellent condition on behalf of Systems Connect. Whether you ... More Information

The 2023 Tunnelling Awards

The 2023 ITA Tunnelling Awards event will take place on the 24th of November 2023, in Mumbai, India. The event will be held in conjunction with the TAI - Tunnelling Asia International Conference, ... More Information

TBM Anne lowered into launch chamber

On 17 November, 2023 the Skanska Costain Strabag Joint Venture completed the final lift of major TBM Anne components into the huge launch chamber in West London, under the lights of ... More Information

Snowy 2.0 Project – Updates

Snowy 2.0 is being engineered to deliver clean and reliable energy storage and generation for the next 150 years. The target date for commercial operation of all units is December 2028, with first ... More Information

World Tunnel Congress 2024

Mark your calendars for the World Tunnel Congress 2024 (WTC2024), scheduled to take place from April 19th to 25th 2024 at the Shenzhen World Exhibition & Convention Center in China. Hosted by ... More Information

Stad ship tunnel - recycling of blasted stone planned

The Norwegian Coastal Administration has been commissioned to build the Stad ship tunnel, the world's first full-scale ship tunnel, whose aim is to improve accessibility and safety for sea transport ... More Information

Dubai Metro Unveils Plans for 30-Kilometer Blue Line Expansion

Dubai's iconic metro system is set to undergo a major transformation with the addition of a new 30-kilometer track, known as the Blue Line. This significant development, revealed through a recent ... More Information

Participate in our Vote to Select the Name for the Upcoming TBM in Our Oslo Project!

We are thrilled to invite you to cast your vote to choose the name for the new TBM that will play a pivotal role in our forthcoming project in Oslo, Norway. In keeping with a longstanding tradition, ... More Information

Francia/Grand Paris Express - Major Breakthrough Achieved on Line 6 Tunnels

On November 6, 2023, a significant milestone was reached as the TBM (Tunnel Boring Machine) named Houda successfully broke through, marking its entry into the future Sevran - Livry station on Line 6 ... More Information

A New Dawn for Commuters: Construction Commences on the Hudson Tunnel Project in New York

In a momentous development for New York's bustling transportation network, construction has officially begun on the Hudson Tunnel Project, marking the onset of a transformative chapter in the city's ... More Information

STUVA Expo and STUVA Conference: Unveiling a World of Underground Construction

For over half a century, STUVA e.V. has been at the forefront of organizing scientific conferences that delve deep into the world of underground construction. These bi-annual conferences have become ... More Information

USA project funding update

On November 6, the Federal Railroad Administration (FRA), a division of the U.S. Department of Transportation (DOT), unveiled a groundbreaking development. They have allocated a substantial $16.4 ... More Information

Norway - EPC contractor MossIA completes excavation in Moss

MossIA, the EPC contractor in Norway, recently achieved a significant milestone by completing the excavation phase of the Moss tunnel in the northern section of the new double-track Sandbukta - Moss ... More Information

Brazil - The South TBM of Sao Paulo’s Metro Line 6 reached Perdizes Station

The TBM - named Maria Leopoldina - working on the construction of Line 6 of the Sao Paulo metro, in Brazil, reached its fourth stop on the route, Perdizes station, on Friday, September 29. The TBM ... More Information

TERRATEC Rock EPBM is ready for Delhi Metro

In late August, TERRATEC celebrated the successful Factory Acceptance Test of a new 6.61m diameter Rock Earth Pressure Balance Tunnel Boring Machine (EPBM) destined for Delhi Mass Rapid Transit ... More Information

China's first EPB TBM Exported to South America came off the Production Line at CRCHI

China's inaugural EPB TBM designated for South America recently rolled off the production line at CRCHI on September 27th. CRCHI, the manufacturer, holds the honour of being the first to export ... More Information

Lift off! HS2’s latest London tunnelling machine assembled 25 metres below ground

Press release - We've unveiled the names of the next pair of tunnel boring machines (TBMs) that will construct the high speed rail line under the capital. Following a public vote, the names Emily ... More Information

Cost and Schedule Changes for VTA's BART Project

VTA announced the updated cost and schedule for VTA’s Phase II Project at October 20, 2023 Board of Directors meeting. These changes reflect the Project’s design progress and market ... More Information

Alignment chosen for the new railway line project Neuchâtel - La Chaux-de-Fonds!

Between Neuchâtel and La Chaux-de-Fonds, a new direct railway line will be built as part of the strategic development program for railway infrastructure, development stage 2035 (PRODES EA ... More Information

NCE Tunnelling Awards: Discover who the 2023 finalists are!

The shortlist has been announced for the NCE Tunnelling Awards 2023! Click here to view the 2023 shortlist. The winners will be announced at a gala dinner ceremony at the Hilton Bankside in London ... More Information

ISAVFT 2024 - Call for Papers is Now Open!

The call for papers for ISAVFT 2024 is now open. The symposium - to be held at the Tivoli Hotel and Congress Centre in Copenhagen (Denmark) on 28-30 October 2024 - is seeking paper ... More Information

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Tunnelling News

Construction of Shinku La Tunnel to bolster all-weather connectivity in Ladakh Rising Kashmir

Leh, Apr 21: Member of Parliament from Ladakh, Jamyang Tsering Namgyal, announced that work on the strategically vital Shinku La Tunnel is set to ... More Information

Tunneling works for key Davao bypass road seen completed this year

The Davao City Bypass Construction Project is among the 14 foreign-assisted infrastructure projects approved by the National Economic Development ... More Information

Hamptons Subway Cuts Ribbon on New Foxwoods Tunnel

Hamptons Subway, with U.S. Transportation Secretary Pete Buttigieg, cut the ribbon to begin construction of the new tunnel from Sag Harbor to ... More Information

_TBM quartet tackles differing geology on twin bore tunnel under London

All four tunnel boring machines are now working on HS2's Northholt tunnel, which is divided into two geologically differing sections. More Information

CRCHI video

New CRCHI video for world leading underground equipment - Technology innovates the world... More Information

Deer Creek update

Exciting update from the Deer Creek project team! The Wasatch Worm is almost in the ground and will be ready to start tunneling this week. Over the next few months, it will be devouring a ... More Information

Stonehenge tunnel: Underground cabling installed, while other enabling works paused

The scheme, which involves the construction of a new 12.8km two-lane dual carriageway with a 3.2km tunnel under the Unesco World Heritage Site, was ... More Information

Nepal's first transport tunnel being built with Japanese assistance

Nepal and Japan signed the contract for construction of the tunnel on September 23, 2019, while the commencement started on November 14, 2019. More ... More Information

Cowi selected as technical advisor on world's first ever ship tunnel proposed in Norway

Construction is currently estimated to begin next year. The objective of the Stad Ship Tunnel project is to improve the navigability and safety of ... More Information

How Arnold Dix became a Himalayan hero after rescuing 41 workers from Indian tunnel collapse

Arnold Dix slid his hand into a gap in the rock at the entrance to a tunnel where 41 men were trapped alive, put his back against the cold stone and listened, and felt, and listened some ... More Information

Central Interceptor Tunnel Boring Machine

Watercare Services Limited’s Central Interceptor Tunnel Boring Machine, Hiwa-i-te-Rangi, has achieved a significant milestone, reaching 10,000m (10 kilometres) since leaving Māngere in ... More Information

New tunnelling machine joins three others digging high-speed line under London

Construction of the new HS2 line has hit another major milestone with the launch of the fourth – and final – machine being used to build the giant Northolt Tunnel beneath the capital... More Information

Lower Thames Crossing planning decision moves a step closer

On 21 March, the Planning Inspectorate confirmed that the Examining Authority has sent their recommendation report on the Lower Thames Crossing Development Consent Order (DCO) application ... More Information

AECOM-Jacobs JV signs on to $6B Amtrak tunnel job

Amtrak is gearing up to dig deep in Baltimore. The railroad company selected ADVANCE, a joint venture between Dallas-based infrastructure firms AECOM and Jacobs, to serve as the delivery ... More Information

Lower Thames tunnel boosts new orders data

UK construction contract awards reached their highest level in February 2024 for seven months, according to one of the industry's data monitoring ... More Information

The incredible new £53m tunnel in Spain linking two pretty cities

The work is part of efforts to modernise the railway line between Ourense and Lugo in the autonomous Galicia region. Spanish construction giant ... More Information

ECRL hits new milestone with the completion of three tunnel excavations in Bentong district

The ECRL project features the construction of 41 tunnels with a total length of approximately 69 km along its rail alignment. Section A (Kota Bharu- ... More Information

Boring Co. receives go-ahead to drill more Vegas Loop tunnels

LVCVA President and CEO Steve Hill offered the company access to safety officers after the company was fined $100000 for construction violations ... More Information

Biden-Harris Administration Announces Nearly $4 Billion in Support

The project includes construction of a new two-track heavy rail tunnel along the Northeast Corridor from the Bergen Palisades in New Jersey to ... More Information

World's Longest Twin-Lane Tunnel Inaugurated In Arunachal Pradesh

Constructed by the Border Roads Organisation (BRO) for INR 825 crore, the tunnel is strategically vital due to its proximity to the Line of Actual ... More Information

The £13.3bn tunnel 8.5 miles long that could transform one of the world's biggest cities

The Second Avenue Subway's per-mile construction cost is higher than that of other projects in similar cities like London's Crossrail and Paris's ... More Information

First look inside Silvertown tunnel as TfL confirms summer 2025 opening

... tunnel construction in the face of environmental concerns. Construction is costing about £1bn – with a further £1.2bn due in annual repayments ... More Information

Consortium of Aecom and Arcadis appointed to tunnel and station design contract for Ontario metro

The scope of work for the PTUS contract includes construction of 3km of twin tunnels underneath Pape Avenue between the Gerrard tunnel portal and ... More Information

Snowy Hydro is inching towards powering the nation

... tunnelling progress of one of its critical boring machines ... Some 80 metres underground in temperatures well in excess of 30C, tunnel boring machine ... More Information

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

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