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Italy/Sicily – RFI will design a new project for the safety tunnel at Cefalù

The Cefalù Municipality reached an agreement with the RFI, for the construction of the evacuation tunnel serving the future Cefalù underground stop, along the Cefalù ... More Information

MAPEI's UTT Division - Santa Lucia tunnel

MAPEI's UTT Division - Santa Lucia tunnel

MAPEI's UTT Division have provided technological solutions and technical assistance for all the main applications related to excavation of the S. Lucia tunnel. The tunnel is on the new three ... More Information

Robbins Single Shield completes Canada’s Largest Outfall

Robbins Single Shield completes Canada’s Largest Outfall

Press release - On March 3, 2022, a 7.95 m (26.1 ft) diameter Robbins Single Shield TBM completed a record-setting run below Lake Ontario. The machine, for the Southland/Astaldi JV, bored 3.5 km ... More Information

HS2 reveals noise-cancelling Chiltern Tunnel north portal design

HS2 reveals noise-cancelling Chiltern Tunnel north portal design

Press release - HS2 has revealed the designs for the north portal of the Chiltern Tunnel, which has been specially designed to cut noise from trains entering and exiting the project's longest tunnel ... More Information

Snowy 2.0 - Commissioning of TBM Florence

Snowy Hydro, the main contractor for the Future Generation Joint Venture  and members of the local community celebrated the commissioning of the third and final TBM for Snowy 2.0, with a ... More Information

Inland Rail - Gowrie to Kagaru Public Private Partnership

Inland Rail is a 1,700km fast freight backbone that will transform how we move goods around Australia by providing transit times of less than 24 hours for freight trains between Melbourne and ... More Information

Public feedback period for the West Seattle and Ballard Link Extensions (WSBLE)

Public feedback period for the West Seattle and Ballard Link Extensions (WSBLE)

Members of the public are invited to attend upcoming public meetings to learn more about the West Seattle and Ballard Link Extensions (WSBLE) Project, Draft Environmental Impact Statement (EIS), and ... More Information

Inauguration of the Santa Lucia tunnel: one of the largest 3-lane tunnels in the world

Inauguration of the Santa Lucia tunnel: one of the largest 3-lane tunnels in the world

On the 19/03/2022 the new three lane Barberino di Mugello - Florence North section of the A1 motorway was officially opened to traffic. The new 17.5km road is a continuation of the Variante di ... More Information

The NPRA has entered into the PPP contract for The Sotra Connection with Sotra Link AS

The NPRA has entered into the PPP contract for The Sotra Connection with Sotra Link AS in Norway. The contract is worth EUR1.96 bn (NOK 19.8 bn). The contract was awarded in September last year ... More Information

HS2 tunnelling machines reach Chalfont St Peter ventilation shaft

HS2 tunnelling machines reach Chalfont St Peter ventilation shaft

Press release - HS2 this week confirmed that the two enormous 2,000 tonne tunnelling machines digging the high speed rail project’s tunnels under the Chilterns have completed the first stage, ... More Information

Consultation for the A303 Stonehenge DCO (Development Consent Order)

National Highways (the Applicant) has published the environmental information relating to the environmental statement submitted in support of its application to the Secretary of State for Transport ... More Information

First major UK infrastructure project to use procurement to reduce carbon

Press release - Invited shortlisted bidders to tender for the £1.9 billion contracts to build the roads, green bridges, parks and woodlands Today, (Monday 14 March 2022) we have invited ... More Information

Swiss Tunnel Congress 2022

The Swiss Tunnel Congress (STC) unfortunately did not take place as usual over the last two years, but now it’s back! The STC 2022 will be held from June 1-2, 2022 in the concert hall of the ... More Information

Secondary lining for shaft complete at Acton Storm Tanks

Secondary lining for shaft complete at Acton Storm Tanks

Press release - The team working on the most western site of the Tideway project has recently completed the secondary lining of its 35-metre-deep shaft, marking a key milestone at Acton Storm Tanks ... More Information

Construction of the E6 Kvithammar – Asen – works begin.

Construction has of the new E6 from Kvithammer (Stjørdal municipality) to Asen (Levanger municipality) for Nye Veier by general contractor Hæhre Entreprenør AS. The works started ... More Information

Breakthrough in the Vaere tunnel

Breakthrough in the Vaere tunnel

After 398 explosions and 550,000 t of rock blasted out, Nye Veier and Acciona have broken through the new tube of the 1625 m Være tunnel on the E6 from Ranheim to Værnes. Work will now ... More Information

First ever TBM for the Metro Manila Subway Project

First ever TBM for the Metro Manila Subway Project

On the 08/03/2022 the Department of Transportation (DoTr) announced that the first TBM to be used in Philippine history would be lowered into the Metro Manila Subway Project (MMSP) works. The TBM is ... More Information

Australia’s largest tunnelling machine starts digging the West Gate Tunnel

Australia’s largest tunnelling machine starts digging the West Gate Tunnel

Press release - The largest tunnel boring machine (TBM) in the Southern Hemisphere has started digging the West Gate Tunnel. The massive TBM, named Bella, was sent on its journey under ... More Information

TBM Dame Whina Cooper reassembly begins at Mt Eden

TBM Dame Whina Cooper reassembly begins at Mt Eden

Last October TBM Dame Whina Cooper successfully completed the first City Rail Link tunnel and is now currently being reassembled at Mt Eden. All parts of the TBM, the cutterhead, front shield, ... More Information

WTC2023 – Abstracts’ submission is now open

All members of the tunnelling and Underground Space family are invited to submit their abstracts, deadline 31/05/2022, for WTC2023 to be held in Athens from 12th  to the 18th  May 2023: ... More Information

Cross River Rail - Northern Tunnel Portal construction update

Cross River Rail - Northern Tunnel Portal construction update

Excavation, portal structure construction and TBM removal continues in March at the Northern Tunnel Portal site and is on track for completion in mid-2022.  Once the team reaches the required ... More Information

TBM Margherita Launched for the Cefalù tunnel in Sicily

TBM Margherita Launched for the Cefalù tunnel in Sicily

On 03/03/2022 the ceremony for the beginning of construction  of the Cefalù tunnel was held. The tunnel will be the longest of the 3 tunnels for the doubling of the ... More Information

Grand Paris Express – TBM Dorine almost ready for second departure from the Verdun shaft

Grand Paris Express – TBM Dorine almost ready for second departure from the Verdun shaft

On 30 August 2021, after 6 months of excavation at a depth of 20 m under the municipality of Bourget and the simultaneous installing of the tunnel lining, the TBM Dorine arrived at the Rolland shaft ... More Information

TERRATEC EPBM Ready for South Bangkok Cable Tunnel Project

TERRATEC EPBM Ready for South Bangkok Cable Tunnel Project

TERRATEC delivers the new 4.27m dia. EPB TBM that will be used by Contractor Nawarat Patanakarn PCL to supply the electricity in Bangkok, Thailand. TERRATEC is pleased to announce the delivery of a ... More Information

Four consortia are competing to build the Nordhavn tunnel

The Danish Road Directorate has now - after a pre-qualification - selected the four contractors who will have the opportunity to bid on the task of building the Nordhavn tunnel in Copenhagen, which ... More Information

Robbins Complimentary Webinar

Robbins Complimentary Webinar

LARGE DIAMETER XRE TBM: SUCCESS IN TURKEY & FUTURE APPLICATIONS. Can large diameter TBMs bore mixed ground efficiently? Join us as we discuss the incredible results achieved at Turkey’s ... More Information

PIARC Webinar - Road tunnels safety

On February 24th the ROAD TUNNELS SAFETY webinar will be held organised by PIARC Italy with the Italian Technical Committee "Tunnels", in collaboration with ANAS, the National Council of Engineers ... More Information

Updates from Moscow Metro Line construction

Updates from Moscow Metro Line construction

Troitskaya metro line  - The construction of the right running tunnel between the Mamyri and Bachurinskaya stations on the Troitskaya metro line has been completed. The TBM has finally ... More Information

Construction of metro Line 7 in Santiago begins

Construction of metro Line 7 in Santiago begins

On 17/02/2022  the  Chilean President of the Republic, Sebastián Piñera, together with the President of the Metro, Louis de Grange, kicked off the works with the start of the ... More Information

Romania - The Cluj-Napoca subway

Romania - The Cluj-Napoca subway

On 27/01/2022 the Romanian Minister of Transport, Sorin Grindeanu, signed a collaboration protocol for the construction of the subway in Cluj county, Cluj-Napoca and Floresti municipalities.  ... More Information

WTC 2023 Athens

The World Tunnel Congress 2023 will be held at the Megaron Athens International Conference Centre (MAICC) in Athens (Greece) from the 12th - 18th of May 2023.  The theme of WTC 2023 ... More Information

North Bristol relief sewer – a tunnelling breakthrough

The Wessex Water project to build a 5.5km tunnel for a new “super sewer” in Bristol has reached a major breakthrough.  After traveling for 19 months under the streets of Bristol, ... More Information

Corbulo tunnel updates

Corbulo tunnel updates

Now that the concrete work for the cross connections are ready, the teams are able to concentrate on the tunnel finishing, which includes barriers, emergency exit doors, cables and the installation ... More Information

Excavation begins on the Casacastalda tunnel in Italy

Excavation begins on the Casacastalda tunnel in Italy

The Joint Venture Besix (Brussels) and Donati (Rome) is doubling 3.1km of the SS 318 on behalf of the Italian Highway Authority ANAS.  At the beginning of February, one year after the start ... More Information

Australian Tunnelling Conference 2022

Australian Tunnelling Conference 2022

The 17th Australian Tunnelling Conference will be held from the 11 – 12 May 2022 at the Aerial UTS Function Centre in Sydney. As tunnels continue to provide the critical link to safer, ... More Information

Government moves ahead on replacement for Massey Tunnel

Nine contracts have been awarded for technical and engineering expertise to support the Province’s delivery of the Highway 99 Tunnel Program to replace the Massey Tunnel, which will improve ... More Information

Tunnelling News

Utilities tunnel dug through 'challenging' ground conditions under River Tees

Main contractor Farrans Construction worked with specialist contractor Joseph Gallagher to construct the tunnel. During its five weeks of tunnelling ... More Information

China develops world's first boring and blasting machine

In a groundbreaking development, the world's first boring and blasting machine, jointly developed by Tsinghua University and China Railway Science and Industry Group, has successfully ... More Information

Tunnel boring machine wedged in hard rock, leaving Snowy 2.0 hydropower project with new issues

Tunnelling problems are plaguing the $12 billion Snowy 2.0 hydropower project, with a boring machine previously bogged in soft ground now wedged in ... More Information

Construction Complete On New High-Speed Rail Tunnel

Inside the completed Desheng Tunnel, and inset, a Chinese high-speed train. Work on the project is now complete. © China ... More Information

DC Water Breaks Ground on Potomac River Tunnel Project

The Project consists of a large-diameter deep sewer tunnel, diversion facilities, drop shafts, and support structures to capture flows from existing ... More Information

Morocco’s proposed $13 billion underwater tunnel to connect Europe to Africa by 2030s

An historic intercontinental rail link is aiming to link Europe to Morocco with an ambitious underwater tunnel. The Moroccan National Company for Strait Studies (SNED) announced last ... More Information

Government set to fund £1bn final HS2 London tunnel drive

The project was halted as part of Prime Minister Rishi Sunak’s £6.5bn cost-cutting plan announced last October. This involved axing phase 2 to Manchester and finding a private investor ... More Information

HS2 Project Update, May 2024

Our Victorian railways have carried us successfully through history, but with passenger numbers continuing to rise, investing in new, modern railway lines like HS2 is the key to meet the ... More Information

PM inaugurates breakthrough of Sunkoshi Marin Diversion tunnel

A breakthrough of the Sunkoshi Marin Diversion Multi-purpose Project tunnel has been made... More Information

Toronto's Eglinton Crosstown extension moves closer to tunnelling completion

The project is being delivered by Infrastructure Ontario and Metrolinx. West End Connectors was awarded the C$729M (£425M) contract to design, build ... More Information

_Fehmarnbelt tunnel program hits major milestone

DEME Group said that the Fehmarnbelt tunnel project, one of Europe's largest infrastructure projects, has achieved a significant milestone with ... More Information

The incredbile new £12bn mega-tunnel that could end traffic chaos in world famous city

Construction on the £12.63 billion mega-tunnel has already begun and it is expected to be open in 2035. · Animation for The Hudson River Tunnel project. More Information

Great Lakes Tunnel Project makes progress

Ready to move forward. Enbridge is preparing to begin tunnel construction as soon as possible, following receipt of environmental permits ... More Information

Hudson Tunnel Project is expected to create 95,000 jobs

The report is based on research done on behalf of the Gateway Development Commission. “The Hudson Tunnel Project is the most pressing infrastructure ... More Information

The $2.8BN Megaproject Dividing London

London is building a controversial new tunnel under the River Thames. Head to https://brilliant.org/TheB1M/ for a 30-day free trial + the first 200 people will receive 20% off their ... More Information

Namma Metro: Underground tunnel work on Pink Line 95% complete

This underground portion includes the ambitious task of constructing 20.992 km of twin tunnels. Progress is also underway on the construction of 18 ... More Information

How an ancient water tunnel design is cooling 21st-century streets

In Seville, 3,000-year-old underground technology is being transformed in modern day air-conditioning. An aqueduct at the unopened CartujaQanat pilot ... More Information

Frederick Douglass Tunnel Program B&P Tunnel Replacement Project

Project Description: Proposed utility and roadway relocations include civil work to support the construction of Amtrak's Frederick Douglass Tunnel. More Information

Fehmarnbelt | Purpose-built vessel arrives to line tunnel trench with gravel 'cushion'

The Fehmarnbelt Fixed Link is a new road and rail tunnel being constructed between Denmark and Germany. It will comprise 89 precast concrete ... More Information

Successful Breakthrough of Gudauri Tunnel in Georgia's North-South Corridor KK Highway Project

KAZBEGI, Georgia, April 23, 2024--The 10-kilometer LOT1 Section is constructed by China Railway Tunnel Group Co., Ltd., of which the Gudauri ... More Information

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