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Excavation of 9 km long tunnel connecting Kobi-Kvesheti starts

Excavation of 9 km long tunnel connecting Kobi-Kvesheti starts

On the 10/09/2021 a TBM began the construction of the longest tunnel on the  Kvesheti-Kobi road project in Kobi. The event was attended by the Prime Minister of Georgia Irakli Gharibashvili, ... More Information

TLT-Turbo Fans for Road, Railway & Metro Tunnels

TLT-Turbo Fans for Road, Railway & Metro Tunnels

For over fifty years, TLT-Turbo has developed first-of-their-kind, fine-tuned, and advanced ventilation systems for road, railway and metro tunnels. TLT-Turbo focuses on the system as a whole to ... More Information

Shortlist for Washwood Heath train depot and network control centre

HS2 Ltd confirmed the shortlist of bidders in the running to build the high speed rail project’s network control centre and rolling stock maintenance depot. The contract – worth an ... More Information

Robbins develops Rectangular Rock Mining Machine for Flat Invert

Robbins develops Rectangular Rock Mining Machine for Flat Invert

Robbins’ latest innovation is making good headway on a non-circular tunnel excavation in hard rock. The rectangular TBM, known as the MDM5000 (standing for Mine Development Machine with ... More Information

The Fehmarn Link B2B Conference 2021

A face to face conference focusing on the Fehmarn project will be held on September 9, 2021 at Rodbyhavn Sports Hall in Rodby.   The international business conference Fehmarn Link B2B ... More Information

City Rail Link Updates

City Rail Link Updates

Lockdown risk removed for CRL’s TBM - The 130 m City Rail Link’s TBM, named after Dame Whina Cooper, costing around $13 million and built specifically for Auckland’s soil ... More Information

Normet - Alpha 1430 mobile concrete sprayer

Normet - Alpha 1430 mobile concrete sprayer

The Normet Alpha 1430 mobile concrete sprayer is now available on the latest Ashok Leyland truck, meeting the stringent BS6 emissions regulations.   The Normet Alpha 1430 is a remarkably ... More Information

Grand Paris Express - TBM Dorine reaches Rolland!

On the 30/08/21 at a depth of 266 m the TBM Dorine completed its first tunnelling drive at Rolland! The TBM was launched last February from Verdun, and crossed the future Grand   Paris ... More Information

Two more JIMT/TERRATEC EPBMs delivered for Taiwan’s Taoyuan MRT Green Line

Two more JIMT/TERRATEC EPBMs delivered for Taiwan’s Taoyuan MRT Green Line

On behalf of its group company, JIMT, TERRATEC delivers the first two of four EPBMs that will be used by Obayashi Corporation for the underground works on Taiwan Taoyuan Mass Rapid Transit (MRT) ... More Information

Cross River Rail - Works Notice

Northern Tunnel Portal construction update - Excavation of a TBM extraction box is underway.  The extraction box will be used to remove the two TBMs Merle and Else when they arrive in ... More Information

Next steps for Suburban Rail Loop

Suburban Rail Loop (SRL) hit an exciting milestone last week with the release of the Business and Investment Case, which highlights the huge transport, social and economic benefits SRL will deliver ... More Information

Robbins BLOG - Summer Site Updates: Records in Toronto, the News from Nepal, and More

Robbins BLOG - Summer Site Updates: Records in Toronto, the News from Nepal, and More

Much like the face of a TBM, tunnelling’s wheels of progress are always turning. Join us as we check in on projects across the globe—including a breakthrough in Japan, record setting ... More Information

Eight-lane toll-free tunnel to replace George Massey Tunnel

Eight-lane toll-free tunnel to replace George Massey Tunnel

Recently the Transportation Minister Rob Fleming provided an update on the long-awaited replacement for the 62-year-old George Massey Tunnel connecting Richmond (Vancouver) and Delta on Highway 99: ... More Information

SIWW2022 Water Convention - Call for papers

The Water Convention is a platform for gathering professionals and technology providers from around the world to share their knowledge, practical experiences and novel technologies to address the ... More Information

Cross River Rail – Second breakthrough at Roma Street

Cross River Rail – Second breakthrough at Roma Street

On 23/08/2021 Merle, the second Cross River Rail’s 1350 t TBM, broke through into the 280-m-long cavern at Roma Street, joining TBM Else, the project’s other machine in the future ... More Information

Kalininsko-Solntsevskaya metro line

Tunnelling of the 2 km section between Pykhtino and Rasskazovka stations of the Kalininsko-Solntsevskaya metro line (Yellow line) in Moscow is 43% completed. To date, the TBM Rosa (6 m diameter) has ... More Information

BTS Conference and Exhibition

British Tunnelling Society 2020+1 Conference and Exhibition will be held at the QEII Centre, Westminster, London SW1P 3EE, UK from September 30th - October 1st , 2021  The BTS 2020+1 ... More Information

Moscow metro construction updates

Moscow metro construction updates

Lyublinsko-Dmitrovskaya metro line  - The new section of the Lyublinsko-Dmitrovskaya metro line will have 3 stations – Yakhromskaya ( with the working name Ulitsa 800-letiya Moskvy) , ... More Information

Cross River Rail breaks through at Roma Street

On the 06/08/2021 TBM Else (1350 t and 165 m long), the first of Cross River Rail’s two massive TBMs, which had launched from the Woolloongabba site in early 2021 has broken through a ... More Information

TBM drive starts for Ship Canal Water Quality Project

TBM drive starts for Ship Canal Water Quality Project

Webuild Group’s U.S. subsidiary, Lane, began excavating with the MudHoney TBM the 2.7-mile (4.2-m) storage tunnel for the Ship Canal Water Quality Project, an ... More Information

STRATA Worldwide and TAC Ontario Chapter August Webinar

STRATA Worldwide and TAC Ontario Chapter August Webinar

TAC Ontario Chapter's next webinar will feature a presentation by Mike Rispin and Ian Cadieux of Strata Worldwide on Emerging Safety Technologies for North American Tunnelling. The webinar will ... More Information

Swiss Tunnel Colloquium 2021

The Swiss Tunnel Colloquium 2021 «Tunnelling in densely populated areas» will take place in the Concert Hall of the KKL Luzern on September 13, 2021. The Concert Hall, which offers space ... More Information

STUVA Conference 2021 Planned as a Face-to-Face Event

Press release - The STUVA conference with accompanying trade exhibition (STUVA-Expo), to allow the public to attend the event in the usual manner from November 24 to 26, 2021 at the Karlsruhe Trade ... More Information

TBM Wyspiarka gets closer to Wolin Island!

TBM Wyspiarka has already bored 970 m under the Swina river for the Swinoujscie tunnel  on the S3 Swinoujscie-Troszyn expressway: in about 30 m the TBM will cover the entire riverbed of the ... More Information

Balfour Beatty Bachy Soletanche Singapore JV awarded S$644 million Ang Mo Kio Station and Tunnels contract in Singapore

Press release - Balfour Beatty today announces that its 50:50 joint venture, Gammon, has been awarded a S$644 million (c. £345 million) contract for the design and construction of Ang Mo Kio ... More Information

FAMA 2021 Convention on “Women of Success”

FAMA 2021 Convention on “Women of Success”

FAMA’s 2021 Convention on “Women of Success” has been successfully concluded. After the presentation of the Company’s activities and update on the current world ... More Information

Robbins Crossover TBM Breaks World Records Twice Over

Robbins Crossover TBM Breaks World Records Twice Over

History has been made twice over at Turkey’s Eşme-Salihli Railway Tunnel where a 13.77 m (45.18 ft) diameter Robbins Crossover XRE TBM has set new world records for best day, week, and month ... More Information

Normet launches new technologies for concrete spraying

Normet brought their sprayed concrete layer thickness control system, the SmartScan, to the market in 2019. The SmartScan is aimed at all underground sprayed concrete applications to deliver ... More Information

Cross River Rail Construction updates

Cross River Rail Construction updates

Roma Street station -  The two Cross River Rail TBMs have left Albert Street station in Brisbane’s CBD,  where they both arrived between June and July  At the beginning of ... More Information

Grand Paris Express - New Breakthroughs in July

Grand Paris Express  - New Breakthroughs in July

Line 15 South - End of excavation for TBM Camille - TBM Camille, launched from the Creteil l’Echat station in October 2019 and after 4.2km - reached Salengro (Champigny-sur-Marne) on Line 15 ... More Information

TERRATEC TBM celebrates final breakthrough on Pune Metro package UG-01

TERRATEC TBM celebrates final breakthrough on Pune Metro package UG-01

Gulermak-TATA Projects JV celebrates TBM breakthrough on the underground works for the package UG-01 of Line 1 of the Pune Metro, in India. On July 22, 2021, TERRATEC joined officials from ... More Information

Snowy 2.0 Project – July Updates

Snowy 2.0 Project – July Updates

It's winter in the Snowy Mountains and activity is hotting up at the Snowy 2.0 construction sites!   There's already more than 1,000 people working on the massive pumped-hydro project ... More Information

New Terzo Valico dei Giovi breakthrough

The Fegino construction site has had a new breakthrough between the Voltri interconnection tunnel (the so-called “odd-numbered” track) and a large structure in the already completed ... More Information

Tideway Project Press Release - Connection tunnel breakthrough at Carnwath Road

A significant milestone for London’s super sewer has been achieved at the Carnwath Road Riverside site in Fulham with the breakthrough of the West main tunnel connection into the Central ... More Information

First functional section of M4 metro line in Milan approved

The M4, Milan's new blue metro line (Linate - Forlanini FS section) has passed all its tests and been approved. The Italian Ministry of Infrastructure and Sustainable Mobility has authorized the ... More Information

ITA Tunnelling Week from 20-24 September 2021

ITA Tunnelling Week from 20-24 September 2021

ITA, the International Tunnelling and Underground Space Association, organizes the first ever Tunnelling Week from 20 to 24 September 2021. These 5 days of online conferences and debates dedicated ... More Information

Tunnelling News

Westmead metro station cavern formwork the biggest in the southern hemisphere

Crews are now retrieving the 1,200-tonne Tunnel Boring Machines (TBMs) that arrived beneath Westmead in September and October, lifting each machine ... More Information

Webuild: excavation begins on three tunnels for Salerno-Reggio Calabria HS/HC Railway

All four TBMs planned for Lot 1A Battipaglia–Romagnano section are operational with launch of latest three Joining TBM Partenope, already active, are Leucosia and Ligea, whose names were ... More Information

SELI Overseas: 75 Years of Tunneling with TBMs

From Channel Tunnel to the Brenner Tunnel: When Tunneling Is Synonymous with Innovation ... SELI TBM at work on the construction site... More Information

Road realignment is major step for HS2, says firm

HS2 Ltd A view of the realigned B4525 on an overcast day. · HS2 Ltd An aerial view of the construction of Greatworth tunnel showing major earthworks ... More Information

Amtrak has made real progress in East River Tunnel rehabilitation

The tunnel has been stripped down to the concrete liner. Westbrook was told the project isn't just about modernizing and replacing what was, but also ... More Information

Madrid invests EUR 123 million in new metro stations on Line 11

TBM Mayrit enters into action in 2026 · November 2025 – February 2026: assembly of the tunnel boring machine in Comillas Park (Carabanchel district) ... Facebook Twitter Flag as ... More Information

Jerusalem Light Rail Construction Advances Ahead of Major Tunnel Work

Local reporting on city project materials notes that “the plan calls for a 2-km underground tunnel to be built beneath the city center, including ... More Information

Why and how the Civil Works Alliance changed Sizewell C tunnel designs from Hinkley Point C

Ground conditions around Sizewell C have required intense collaboration between the project’s contractors alliance to come up with new outfall and intake tunnel design solutions... More Information

AI planning of the first railway tunnel through challenging terrain

AI plans first rail tunnel through tough terrain. Artificial Intelligence China Uses AI for the Construction of Railway Tunnels. 2025-12-08 ... More Information

Will Tunneling Projects Be The Next Big Thing For Mumbai's Public Transport?

During the interview, she also called tunnel boring machines the safest and one of the most efficient ways of doing tunelling. "Only the place of the ... More Information

Chipolbrok vessels deliver tunnel boring machines to Sydney and mineral bulk to Peru

Chipolbrok delivers TBMs for Sydney Metro on Chipolbrok Star and loads 29000t minerals in Peru on Taixing, showcasing fleet versatility... More Information

How Seequent's software solutions help to manage tunnelling data

The second phase of Singapore's Cross Island Line (CRL) metro project is under way, assisted by a suite of software from Seequent. Singapore's CRL is ... More Information

Muography to Transform Tunnel Safety Monitoring

Underwater bridge tunnels have become vital arteries for cities, enabling smooth vehicular passage beneath rivers, bays, and inland waterways. More than 200 of these structures operate ... More Information

10 longest tunnels in the world that reshaped global transportation

Modern tunnel construction involves sophisticated techniques, including tunnel boring machines and advanced geological surveying. The project ... More Information

Čučković: Construction of the tunnel boring machine for the Belgrade Metro in final phase

It is a good thing that we, for example, acquired these tunnel boring machines at a lower price than other countries... More Information

Serbia plans to borrow 2.5 billion EUR in 2026 for the construction of the Belgrade metro

It is also stated that two TBMs (tunnel boring machines), the so-called moles, have already been ordered and are expected to be delivered to ... More Information

VSM starts operation at Tilbury

The pioneering Vertical Shaft Sinking Machine (VSM) from Herrenknecht, named “Verena”, after Verena Holmes, a pioneering British mechanical ... More Information

Metrolinx reveals names of Ontario Line tunnel boring machines

Following a contest, Metrolinx has officially named its two massive tunnel boring machines Libby and Corkie... More Information

Montreal blue line metro tunnel boring machine has arrived, time to dig

It's basically building the backbone of the blue line extension,” said project chief Maha Clour, pointing out that crews have reached the bottom of ... More Information

Norway Unveils The World's Longest Road Tunnel In A Majestic Engineering Marvel

The construction cost broke down to about 38,000 NOK (roughly £3,500) per meter, an impressive figure considering the complexity and scale of the ... More Information

Sydney Metro West construction captured on video ahead of 2032 opening

Two giant tunnel boring machines have made their way through the deepest section of Darling Harbour as part of works on the new Metro West. More Information

Bengaluru's ₹18,000-crore tunnel road project inches closer as four major firms submit bids

Four firms bid for Bengaluru's ₹18000 crore tunnel project linking Hebbal to Silk Board, expected to ease city traffic by 2029 under a 34-year ... More Information

Webuild advances Rocchetta Tunnel excavation

Upcoming construction milestones. Webuild is preparing for the next major phase on the Apice–Hirpinia section: the launch of the reinforced concrete ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Kathmandu-Tarai Expressway achieves 43.3% progress

The total length of the seven tunnels under the project is 10.979 km. ... Construction progress for the Chandram Bhir tunnel. (2,250 metres) has ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Hong Kong: Robotics And AI Enhance Tunnel Construction

It is leveraging artificial intelligence (AI), robotics and automation to advance the Trunk Road T2 and Cha Kwo Ling Tunnel project. These ... More Information

Single-Bore Tunnel Method Chosen for BART Silicon Valley Phase II

This decision allows VTA to advance project design towards 60%, stay on a critical path to tunnel construction and meet the projected revenue service ... More Information

Boring Co. begins 'controlled blasting' for Nashville tunnel at TN capitol

The Boring Co. has started excavation work at a state-owned parking lot on Rose Parks Boulevard for the Music City Loop project Wednesday, Aug. 13, ... More Information

TBM arrives in Montreal for delayed metro extension project

A custom-built tunnel boring machine (TBM) has arrived in Canada for use on a 6km extension of the Montreal Metro... More Information

Spain Confirms Feasibility of €8.5 Billion Morocco-Europe Tunnel

The study was conducted by German company Herrenknecht, the world leader in tunnel boring machines, at the request of the Spanish government's ... More Information

TxDOT spends $748M to burrow bus-size tunnels under Central Austin

The first tunnel boring machine will be deployed near ... Industry experts say tunnel boring machines typically advance about 50 feet per day. More Information

6 TBMs on Duty on the 27-Kilometer Line in Körfezray

Two of the six Tunnel Boring Machines (TBMs) that will serve in the first 27-kilometer phase are actively excavating tunnels, while the ... More Information

Construction on HS2's Euston tunnel will start 'fairly soon', says rail minister

Construction on the HS2 tunnel from Old Oak Common station to Euston station will start “fairly soon”, the rail minister has said... More Information

Blue Line Extension TBM Arrives at Port of Montreal

Railway Track and Structures Construction site of the future Vertières station (Pie-IX) in June 2025. Caption and photo courtesy of STM. MONTREAL - The tunnel boring machine (TBM) ... More Information

Tunnel break through milestone for Mt Messenger Bypass project

A 110 tonne excavating machine, called Hinetūparimaunga, has broken through at the northern end of the project's 235 metre-long tunnel ... More Information

$3.9 billion tunnel and bridge link for VA

Costing around $3.9 billion, the Hampton Roads Bridge-Tunnel (HRBT) upgrade Expansion project for Virginia will improve traffic flow for a key ... More Information

Extended North Tunnel Flood Mitigation Project Receives $18.2 Million in State Funding

The funding advanced by the board includes a $17.2 million loan and $1 million grant for the construction of the mile-long tunnel, which will divert ... More Information

Gateway Project faces new uncertainty amid government shutdown

Federal funding for the $16B Hudson Tunnel Project, aka Gateway, has been paused during the government shutdown, sparking political backlash. More Information