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Press release - New facility to train Victoria's future tunnelling experts

Construction of the Victorian Tunnelling Centre (VTC) at Holmesglen Institute in Chadstone in Australia is now finished. The facility will cater for the next generation of construction and ... More Information

TunnelCraft - Tunnelling Specialist Supplier of the year at NCE Tunnelling Festival Awards 2020

Tunnelcraft Ltd has won the award for Specialist Tunnelling Supplier of the Year at the NCE Tunnelling Festival Awards 2020. The judges felt that TunnelCraft showed clear innovation in management ... More Information

No Dig North 2021 - Call for abstracts open

The second annual No-Dig North Show will be held at the Vancouver Convention Centre in Vancouver, British Columbia, Canada. The call for abstracts is now open and the deadline is March 1, 2021. Case ... More Information

Registration is now open for the NASTT 2021 No-Dig Show

The NASTT 2021 No-Dig Show - the largest tradeshow and conference solely devoted to the trenchless technology industry - will be held in Orlando, Florida, at the Orange County Convention ... More Information

WeRail presents: Tunnel and metro Fire Protection Webinar Series 2021

Catastrophic fires in tunnels have resulted in loss of life, significant asset damage and operational interruption. The ignition and spread of fire in rail applications remains one of the most ... More Information

Outline Features of Phase-II of the Chennai Metro Rail Project

The foundation stone for Phase II of Chennai Metro Rail Project – estimated at a cost of Rs.61,843 crores - was laid through video conferencing on 21-11-2020 at Kalaivanar Arangam. ... More Information

The Ceneri Base Tunnel opens

On the 13/12/2020, the 15.4km Ceneri Base Tunnel, between Camorino and Vezia started operating marking the completion of the New Railway Link through the Alps (NRLA) after 28 years of ... More Information

New breakthroughs on Warsaw M2 line

Eastern Section - At the beginning of December TBM Anna after 1296 m and 858 rings installed as part of the left tunnel behind Kondratowicza C20 broke through to the C19 Zacisze ... More Information

Swinoujscie TBM assembly begins

The assembly process of the 98 piece Slurry-TBM (101 m long, 2740 t weight and 13.5 m diameter) has begun. This TBM will bore the road tunnel under the Swina river, connecting the ... More Information

Press Release - HS2’s first giant tunnelling machines arrive in the UK

HS2’s first two giant Tunnel Boring Machines (TBMs) have arrived in the UK and will be ready to start work on the UK’s largest infrastructure project early next year. The two ... More Information

MineArc New product - A tunnelling refuge chamber that can sit on an incline.

MineArc took their most popular TunnelSAFE Gantry Design Refuge Chamber and brought it to new heights. What makes this refuge chamber unique is its ability to continue to operate on an ... More Information

Updates on the Purple Line Extension in Los Angeles

At the end of November 2020 the tunnelling averages for the Purple Line (Line D) Extension were Section 1: 94.4% complete and Section 2: 2.9 % complete. Section 1 The twin TBMs ... More Information

TBM Millie Relaunched in Melbourne

On St Barbara's day the 4th December a blessing ceremony was held at the Anzac Station site in Melbourne Australia for TBM Millie and all her personnel, to wish them a safe journey to the Town Hall ... More Information

Suburban Rail Loop Works EOI for Early Works

The Andrews Labor Government has opened Expressions of Interest for the biggest ever Initial and Early Works package on an infrastructure project in Australian history. Minister for ... More Information

Grand Paris Express - New breakthrough on Line 15 South

After 3.4 km of excavation, the Amandine TBM arrived at Villejuif Louis-Aragon. The TBM began tunnelling in April 2019, it broke through at the underground enclosure of the future railway station ... More Information

New Berlin U5-Bahn line opened

The new U5 underground railway line in Berlin has now been opened. The Lückenschluss U5 (U5 Gap Closure) has been successfully completed after approximately 8 years of construction ... More Information

TBM Annie begins tunnelling for Tideway

ON 04/12/2020 the TBM Annie which is 6.4 m wide, 100m long and 960t in weight - began driving the 4.5km connection tunnel between Greenwich Pumping Station and the main super sewer at Chambers ... More Information

Winners of the ITA tunnelling awards 2020

The winners of the ITA tunnelling awards 2020 are :- MAJOR PROJECT OF THE YEAR (OVER €500M) John Holland CPB Ghella Joint Venture Tunnelling and Station Excavation Works for the Sydney ... More Information

Strata Worldwide announces the appointment of Mike Rispin to lead Strata Tunnelling

Strata Worldwide is pleased to announce the appointment of Mike Rispin to lead the launch of Strata’s new global division, Strata Tunneling. Mike brings over 36 years of ... More Information

TBM Gaia’s Shield lifted out of excavation shaft

On December 2nd the shield for the TBM Gaia weighing 150 tons and 11 m in diameter was lifted out of the receiving shaft of the Rijnland Route. The rest of the TBM will be dismantled ... More Information

Central section of London’s super sewer complete as TBM breaks into shaft in Bermondsey

TBM Ursula has officially broken into the shaft at Bermondsey finishing her 7.6km journey from Battersea to Bermondsey and completing the central section of the Tideway in London, delivered by a ... More Information

San Gorgonio Pass Water Agency Investment into future water supplies

In November the SGPWA (San Gorgonio Pass Water Agency) Board voted unanimously to support the Delta Conveyance Project (DCP) in California, approving a minimum 1.22% participation level in the DCP ... More Information

TERRATEC TBMs breakthrough on Pune Metro

Gulermak-TATA Projects JV celebrates the breakthrough of TBM tunnelling on the underground works on Line 1 of the Pune Metro, in India. In early-November, TERRATEC joined officials from ... More Information

Cross River Rail’s first mega machine ready to go

The first of the two TBMs that will excavate the bulk of Cross River Rail’s 5.9km twin tunnels is passing factory acceptance testing, before being disassembled and transported by trucks to ... More Information

Government gives green light to A303 Stonehenge improvement

Transport Secretary Grant Shapps has given the formal green light by granting a Development Consent Order for work to start on the A303 Amesbury to Berwick Down (Stonehenge) ... More Information

Press release - Barge number 238 delivers final concrete segment rings to Tideway’s Kirtling Street

The 238th and final barge delivering concrete segment rings used to line the central section of the Thames Tideway Tunnel has arrived at Tideway’s Kirtling Street site. Each barge ... More Information

4-day HS2 Ltd virtual event for contract opportunities begins

HS2 Ltd, the company delivering Britain’s new high speed railway, kicked off a four-day event yesterday that will showcase many of the EUR13.49 bn (GBP12bn) worth of contract opportunities. ... More Information

Several milestones for the Grand Paris Express

TBM Ines, began its journey from the Verdun shaft at La Courneuve on the 11/08/2020, and has now reached Le Bourget RER station for Line 16. The TBM – which is 100 m long and ... More Information

Robbins Webinar - Encountering Caverns in France: TBM Tunnelling in Karst Conditions

France's recently completed Galerie des Janots featured some unexpected challenges: Karst cavities large and small were found throughout the bore as well as two large, uncharted caverns. During ... More Information

Moscow’s light green line updates

This week construction of the left and second tunnel began, A route that will go from Lianozovo to Phystech station for the Lyublinsko-Dmitrovskaya metro line or light green line in Moscow. ... More Information

TBM Coline crosses the 1,000 metre mark!

After having crossed the "Saint-Genis-Laval - Hôpitaux Sud" station at the beginning of July, the tunnel boring machine crossed the 1,000-metre mark last Friday 13/11/2020. The TBM is ... More Information

6th edition of the ITA Tunnelling and Underground Space Awards

On the 3-4 December 2020 you will be able to attend the presentations of the finalists and the announcement of the winners. This year the 6th edition of the ITA Tunnelling Awards will move into a ... More Information

Press release - Works to kick off on the Suburban Rail Loop

The Andrews Labor Government is delivering the Suburban Rail Loop, unveiling a huge Budget boost that will pave the way for the biggest rail project ever built in Victoria – and help drive our ... More Information

TBM Meg is on her way to State Library Station

Last week TBM Meg was relaunched from the Metro Tunnel's Parkville Station site towards the CBD, to complete the second tunnel. It follows the relaunch of TBM Joan, which began a parallel 1 km ... More Information

Federal Council approves the Rhine tunnel project in Basel

At its meeting on 11 November 2020, the Federal Council approved the general project for the Basel Rhine tunnel. The new tunnel will relieve the frequently congested A2/A3 between the Hagnau and ... More Information

Insight into finalist for ITA ‘Overcoming the Challenge’ category

The Mexico City-Toluca interurban rail line project has been shortlisted as a finalist for the ITA tunnelling awards in the category “Overcoming the Challenge’ - High performance ... More Information

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Tunnelling News

Light at the end of the tunnel showing for Mount Washington transit project

The project is expected to be completed in October. New tracks finally emerge from the Mount Washington Transit Tunnel as a part of Pittsburgh ... More Information

Davao City Bypass South Tunnel hits breakthrough towards improved connectivity

The Construction Project with the ceremonial breakthrough of the southbound tunnel, marking the complete excavation from opposite ends of the ... More Information

Which companies are bidding for the US$2.3bn highway and tunnel contracts in Brazil?

The project in Brazil, as it will be the country's first underwater tunnel,” the person added. The project involves construction of a 1.5km tunnel ... More Information

US Northeast Rail Corridor Gets a Major Makeover with Tunnel and Bridge Replacements

This project is designed to replace tunnels severely damaged by Superstorm Sandy, ensuring smoother and more reliable service for Amtrak, NJ Transit, ... More Information

DPWH, JICA celebrate breakthrough of Southbound Tunnel in Davao Bypass

The event marked the successful connection of the tunnel's north and south ends. The ... More Information

Jacobs joins Ramboll on Marselis road tunnel project in Denmark

Danish Road Directorate senior project manager Michael Schmidt Vosgerau said: “It is a complex task to build a tunnel on one of the busiest access ... More Information

Planning continues for Midway Tunnel, Safe Streets for All projects

The Midway Tunnel project is a $13.4 million plan ... construction of a new overpass bridge and pedestrian and bicycle walkway above the tunnel. More Information

Four million tons of clay moved in HS2 excavation

Construction on HS2's second-longest tunnel started in October 2022. The rotating cutters cut away clay and other material at a rate of about 50ft ... More Information

Jacobs Has Design-CM Role on $640M Denmark Tunnel, With Ramboll as Key Consultant

Set to begin construction in 2028, Marselis Tunnel project is core component of the country's 10-year Infrastructure Plan 2035. By Emell D. Adolphus. More Information

Elon Musk's $760,000,000 plan to build underground tunnels beneath Houston, Texas

Elon Musk's next big construction plan from The Boring Company could build $760000 worth of tunnels beneath Houston to help with flooding... More Information

Kerala Moves Closer To Vizhinjam–Balaramapuram Tunnel Rail Project

The Kerala government is preparing to invite bids next month for the tunnel rail project linking Vizhinjam International Seaport with ... More Information

Norway's Ship Tunnel Project Under Threat as Costs Rise

New cost estimates suggest the ambitious project will far exceed its approved budget, raising questions about whether it will ever be built. More Information

Davao City Bypass southbound tunnel nears breakthrough

The Department of Public Works and Highways (DPWH) announced that the southbound tunnel of the Davao City Bypass Construction Project (DCBCP) is ... More Information

CA should pursue better alternatives to the costly Delta Tunnel Project Stocktonia

Governor Gavin Newsom is attempting to fast-track the construction of a massive, budget-busting water tunnel through the Delta to ship freshwater to ... More Information

Physical Origins of Shear Strength Fluctuations in Fault Gouges

Fault gouge is rock texture within fault zones that may include rock fragments (RF) and foliated structures. Previous studies have primarily focused on remould soils, the natural structure ... More Information

Webuild expands its role in high-speed rail projects

Four modern tunnel boring machines will be deployed to ensure precision and safety in complex geological conditions. Once completed, the old single- ... More Information

Hudson Tunnel Project advances as tunnel boring machines near completion

The Hudson Tunnel Project hit a key milestone as massive tunnel boring machines near completion, with delivery set for November. More Information

Nagdhunga tunnel in final stages of construction

If we look at the history of road construction and development in Nepal, there are various records of road construction starting from the Rana period. According to articles published in ... More Information

Boring of tunnel across Yellow River completed in China's Shandong

Constructed by using a "Shanhe" shield machine with a 17.5-meter excavation diameter, this double-deck, two-way, six-lane tunnel stands as the world's ... More Information

The £1.6bn plan for world's deepest underwater road tunnel leaving 'no room for error'

Opening of Rogfast tunnel under construction. The Rogfast tunnel will be the longest and deepest undersea road tunnel on Earth. (Image: SKANSA). A ... More Information

Tunnelling complete on NSW's Coffs Harbour bypass project

Tunnelling has been completed on the A$2.2bn (£1.1bn) Coffs Harbour bypass project in New South Wales, Australia, with the excavation of the third ... More Information

Veidekke acquires tunnel construction contract for Gothenburg's West Link Project

Veidekke has received a contract from the Swedish Transport Administration to build the Stora Hamnkanalen tunnel, a component of the West Link ... More Information

German Rail completes construction of Rastatt Tunnel

GERMAN Rail (DB) has completed civil works on the new 4270m twin-bore Rastatt Tunnel, a major component of the project to widen to four tracks the ... More Information

Final contracts signed for Eastern Freeway transformation

A huge amount of work is underway to build North East Link and upgrade the freeways – two tunnel boring machines are digging deep under Rosanna ... More Information

Progress on Sydney pipeline duplication

Bouygues Construction Australia and Rob Carr have launched a tunnel boring machine (TBM) on Sydney Water's Thornleigh pipeline duplication ... More Information

The latest plan to connect BART to downtown San Jose: One tunnel rather than two

When BART and Santa Clara Valley Transportation Authority first discussed plans to send trains rolling under downtown San Jose, transit officials contemplated a design with two tunnels ... More Information

Nashville Tesla tunnel: Here's when construction could start on the Music City Loop

Elon Musk's The Boring Company is currently in the design phase of constructing a tunnel connecting downtown Nashville to the Nashville ... More Information

World's longest underwater 'mega tunnel' to cost $46 billion but will halve 21-hour drive

Oddvar Kaarmo, the Rogfast project manager, cited additional motivation for the tunnel's construction: "The port at Mortavika is quite exposed and ... More Information

China's first vertical large model for tunnel, underground space sector released

The project which is in the Guangdong-Hong Kong-Macao Greater Bay Area. The model helps make tunnel construction safer, higher-quality, more efficient and ... More Information

BMC Begins Major Water Supply Upgrade Mumbai

The project commenced in 2023 and has adopted tunnel boring machine (TBM) technology to minimise surface disruptions in crowded neighbourhoods. Of ... More Information

Slurry tunnel boring machines to be deployed for Bengaluru Twin Tunnel Road Project

B-SMILE opts for slurry TBMs over hard rock TBMs for Twin Tunnel Road project in Bengaluru due to mixed terrain... More Information

Tunnel along railway linking Shenzhen and Shanwei special cooperation zone under construction

Technicians check a tunnel boring machine (TBM) at the construction site of a tunnel in Pingshan, Shenzhen City, south China's Guangdong Province, Aug ... More Information

Construction staging area approved for Nashville's airport tunnel project

The Music City Loop will be a 10 mile tunnel connecting downtown Nashville to the Nashville International Airport (BNA)... More Information

Zojila tunnel deadline pushed to 2028: Here's why Asia's longest tunnel project is delayed

Zojila Tunnel Latest Update: On completion, the project will not only play an important role in the country's infrastructure development but also ... More Information

W.A. Rasic Construction Awarded Major Subcontract on Dragados' $630M Effluent Outfall

The tunnel project is a critical component of Southern California's long-term infrastructure resilience strategy. The project directly supports the ... More Information

VDOT gives HRBT expansion update

Construction on the Hampton Roads Bridge-Tunnel Expansion Project hit key milestones as tunneling progresses and traffic shifts to new lanes. More Information

HS2 lifts third TBM following 3.4-mile journey

HS2 Ltd has lifted Tunnel Boring Machine Emily's 9.11-metre diameter cutterhead, front and middle shield, weighing 880 tonnes, from below the ... More Information

Musk's Boring Company unveils Music City Loop tunnel project for Nashville

The big picture: The project has an ambitious timeline of completing the 10-mile route in less than two years. The tunnel would move vehicles at warp ... More Information

Progress Update on East Dallas Tunnel Project to Address Flooding Problems

With so much rainfall throughout the metroplex, NBC 5 wanted an update on a project expected to mitigate flooding in East Dallas... More Information

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