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Press release - Completion of HS2 logistics tunnel paves the way for high-speed line to Euston

HS2 today (Tuesday 23rd January) celebrated the breakthrough of a tunnelling machine into its underground Old Oak Common station – marking a key milestone in plans to eventually carry the ... More Information

Scaleres tunnel’s TBM assembled

In the ongoing construction of the Scaleres tunnel's the Tunnel Boring Machine (TBM) on the Fortezza-Verona line in Italy, SELI Overseas, a specialized subcontractor for the Munich-Verona railway ... More Information

The TBM for the Taormina tunnel excavation reaches construction site

Between the nights of January 9th and 10th, 2024, the Tunnel Boring Machine (TBM) assigned to excavate the dual-tube Taormina tunnel (6.2km) for the High Capacity Catania-Messina Rail Line, ... More Information

FAT passed for the second TBM to be involved in Palermo-Catania Railway Lot 4B

On January 19, 2024 the second TBM to be involved in the excavation of the new Palermo-Catania railway Lot 4B (Enna - Dittaino section) passed its FAT at the Changsha ... More Information

Early Bird Price for WTC2024 registration ends tomorrow!

It’s a three month countdown to the opening of the World Tunnel Congress 2024! The early bird price for WTC2024 participation has been extended to January 20, 2024! With a discount ... More Information

Norway - three companies prequalify for the Fv 609 project between Heilevang and Hestvika

The Vestland County Council has now decided the following three suppliers who will be invited to submit bids and participate in further negotiations for the contract about levelling of county road ... More Information

SAIE Bologna 2024

Participating with your company in SAIE Bologna 2024 presents a valuable opportunity to capitalize on emerging market prospects. The promotional rates available for registration will conclude on ... More Information

Ontario Line Pape Tunnel and Underground Stations contract

FCC, in a collaborative effort, has secured the development contract for the Pape Tunnel and Underground Stations as part of the Ontario Line, a forthcoming rapid transit system in Toronto, Canada. ... More Information

Spotlight on GTE Training Academy

Some of the best lecturers in the field will be presenting a series of tunnelling training schemes at GTE Training Academy this year and for the first time, some of these will be available to ... More Information

France - Delivery of Tunnel Boring Machines (TBMs) for Toulouse Metro Line B and C Connection

In October 2023, the Tisseo Collectivites trade union committee unveiled the names of the five TBMs designated to construct the 27 km long metro Line C, featuring 22 km of tunnels and 21 stations ... More Information

Press release - NCC to construct road and tunnel in Norway

NCC has been commissioned by the Norwegian Public Roads Administration to construct a new road and tunnel between Breivika and Lerstad in Ålesund Municipality in Norway. The order value is ... More Information

Sweden - blasting finished at Gullmarsplan station for the Blue Line extension

Blasting has concluded at Gullmarsplan station, marking a significant milestone for the extension of Stockholm's Blue Line. This expansion, branching from Kungstradgarden, will have two arms: one ... More Information

Italy/Sicily - FAT passed for TBM 1 destined for Palermo-Catania Railway

Back in December the first TBM EPB - diameter 9.28 m - to be involved in the construction of the Enna-Dittaino section (Lot4B) for the Palermo-Catania railway, successfully passed its final ... More Information

India - Kaveri TBM tunnels under Adyar River for Chennai Metro!

The Chennai Metro project celebrates a major feat! On December 30, 2023 the TBM Kaveri successfully entered the Adyar River, marking the first-ever metro tunnel beneath its waters. This breakthrough ... More Information

Snowy 2.0 - Final breakthrough in the transformer hall cavern

Another major achievement for the Snowy 2.0 pumped-hydro project, breaking through the final three meters of the 223-m long transformer hall cavern crown. When completed, the transformer hall and ... More Information

TERRATEC EPBMs ready for Bangkok Metro Purple Line

In December, TERRATEC celebrated the successful Factory Acceptance Test of a new 6.39m diameter Earth Pressure Balance Tunnel Boring Machine (EPBM) which will be deployed for the construction of the ... More Information

HS2 on track for pivotal 12 months as high-speed railway takes shape

Press release - 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 ... More Information

Construction firms sign $174M contract

Construction firms sign $174M contract for Howard Street Tunnel improvement project Swedish company Skanska and Illinois-based Fay Construction Co. have signed a $174 million contract with CSX ... More Information

Kanpur Metro’s Phase 1 project update

Kanpur Metro’s Phase 1 project achieved a significant milestone as Kalpataru Projects International Ltd. (KPIL), in collaboration with Gulermak, clinched the contract for Package KNPCC-11. ... More Information

New TBM for Mount Cenis Tunnel

On December 21st, 2023, at the Herrenknecht factory in Germany, the delivery ceremony was held for the first Tunnel Boring Machine (TBM) that will traverse the border between France and Italy for ... More Information

Significant milestone on the Sydney Metro West project

The joint venture between Acciona and Ferrovial achieved a significant milestone on the Sydney Metro West project, marking a first in the southern hemisphere. Two tunnel boring machines (TBMs) ... More Information

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

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Tunnelling News

New game-changing tunnel boring, reef cutting 'meeting and beating' all expectations

UG2 reef at Bokoni is the target of the twin mobile tunnel boring and narrow reef cutter. Tunnelling will be done with the mobile tunnel borer for ... More Information

Mota-Engil CEO confirms winning bid for Santos-Guaruja tunnel

The company's subsidiary, Mota-Engil, has won the tender for the construction and operation of Brazil's first underwater tunnel, connecting the ... More Information

Metro Vancouver Utility Nearing Finish of $288M Annacis Water Tunnel

“Resilience is at the heart of this project,” said Nedim Alca, COWI's North America market director. “What makes this milestone so significant is not ... More Information

Fehmarnbelt: Danish tunnel portal nears completion

The work on the entrance to the Fehmarnbelt tunnel at Rødbyhavn on Lolland is almost complete. photo courtesy of The Fehmarnbelt Project. More Information

Final decision on airport tunnel 'now or never'

Alderman Jim Stevenson and City administrators are making a dramatic last push for the airport tunnel before construction on the new north/south ... More Information

Athens Metro Line 4 works to finish by 2029

The construction of Athens Metro Line 4 is progressing steadily, with the entire project ... Tunnel mistakenly excavated in Athens metro project. More Information

First trains on track to run through Metro Tunnel within three months

Melbourne's $15.5 billion Metro Tunnel could be switched on in as little as three months as construction wraps up at two CBD stations and trains ... More Information

Petersburg crews to begin tunnel project in response to ongoing flooding, damage - WRIC

As ongoing water issues have caused significant damage to infrastructure around Petersburg, the Old Towne neighborhood ... More Information

Intelligent optimization framework for tunnel construction

Tunnel construction forms the foundation of railway development and is essential for ensuring route continuity and operational efficiency. However, ... More Information

São Paulo positions TBM for next phase of Line 2-Green

A major milestone was reached on Monday (1 September) with the lowering of the cutter head of the tunnel boring machine (TBM) Cora Coralina... More Information

The 700-ton machine that'll dig NYC's Second Avenue subway extension

NYC has a new tunnel boring machine in its toolbox for the expansion of the line under 2nd ave. If you've never seen some BIG earth moving machines, ... More Information

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

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