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High Speed Two: Euston

Press release - The government should use the two-year pause on new construction work at HS2 Euston to develop a design that is affordable, deliverable and value for money, according to a new ... More Information

Two 15.01m Slurry TBMs for CRCHI Break through on Two Projects

Press Release - Xiangya Road river-crossing tunnel in Changsha City - On March 12th 2023, the largest slurry TBM in China’s Hunan Province broke through, which marks the completion ... More Information

Market dialogue is ongoing about how a fixed €5bn HH connection can be implemented - Denmark - Sweden

Press Release - In autumn 2022, the city of Helsingborg went out to the market with an international RFI (Request for Information) to collect proposals on how a fixed connection between Helsingborg ... More Information

WTC2024 - Call for abstracts

The 2024 World Tunnel Congress (WTC2024), the world's major tunnel and underground engineering industry congress, will be held in Shenzhen, China from 19th to 25th April 2024 with the ... More Information

Press Release - HS2 reveals final design for last of seven key Chiltern Tunnel structures

HS2 have revealed the final designs for the North Portal of the Chiltern Tunnel – the last of seven key structures for the high speed rail project’s longest tunnels. Once construction ... More Information

Second tunnel-boring machine arrives at Mount Pleasant

Press Release - Phyllis, the second of two tunnel-boring machines (TBMs) that are constructing twin tunnels for the Broadway Subway Project, broke through to the future Mount Pleasant Station early ... More Information

TELT on track for next tender phase!

On April 20 in Brussels , TELT will outline what it needs for the last operational phase (rail and technological equipment) for the Mont Cenis base tunnel, which is an essential part of the ... More Information

4th Tunnel Breakthrough in Meerut

4th Tunnel Breakthrough in Meerut The Delhi-Ghaziabad-Meerut RRTS corridor witnessed its fourth successful tunnel breakthrough in Meerut. On the 17th March 2023 the TBM Sudarshan 8.3 ... More Information

World Tunnel Congress 2023: Tunnelling in Greece, a culture of underground activities across history

Tunnelling illustrates the progress of a society and, in particular, the great technical and economic power of certain civilisations. The host country of the WTC, Greece, is a prime example with ... More Information

What's new at Geofluid 2023?

Press release - The latest Geofluid show is scheduled for Sept. 13-16, 2023 in Piacenza Italy and will be relaunching an exhibition area dedicated to contaminated site remediation activities and ... More Information

HS2 update

The UK government has announced a two-year delay to the construction of sections of HS2, the high-speed railway connecting London and the West Midlands, citing increased project costs and ... More Information

Switzerland - 2km tunnel for a new train-tram line from Lugano

The Federal Office of Transport (FOT) has issued the building permit for the new tram-train line that will connect Lugano to Ponte Tresa and Manno. This project is the first stage for a modern ... More Information

Press Release - Government commits to Lower Thames Crossing whilst construction slowed down by two years

In a Ministerial Statement, the Government set out its plans for the transport network, to drive growth across the country while managing the pressures of inflation. As part of the Ministerial ... More Information

TBM Ida will drive the west main Brenner Base Tunnel

On the 14/02/2023 the official inspection of the second TBM for the H41 Sill Gorge-Pfons construction lot of the Brenner Base Tunnel took place at Herrenknecht AG in Schwanau (D). The ... More Information

Sweden's largest infrastructure project with €80 billion to be invested over the next 10 years

Press release - Sweden's largest infrastructure project - First trains on Ostlänken in 2033 The eastern link between Södertälje and Linköping is to be completed in 2035. In ... More Information

Tunnelling on the Eglinton Crosstown West Extension reaches halfway mark

Last week the Eglinton Crosstown West Extension reached another milestone: Renny, the first TBM to start tunnelling passed the halfway point, digging over 3 km of the roughly 6 km ... More Information

WTC2023 | Historical Underground Visits - Athens Underground

Join us on Saturday, May 13th for a once-in-a-lifetime opportunity to explore the historical underground constructions of Athens. Discover the hidden secrets of the city as we visit the Memorial ... More Information

Gamuda Wins Major Transport Project in Australia

Press release - Gamuda Australia has been awarded a major transport project by the NSW Government, the Sydney Metro West – Western Tunnelling Package. In a consortium with Laing ... More Information

Press release - First bore of Silvertown Tunnel completes

Jill, the Tunnel Boring Machine (TBM) delivering the Silvertown Tunnel in east London, has reached the rotation chamber in the Greenwich site, completing the tunnelling of the first bore. The ... More Information

UYAK2023 postponed from March to June 2023

Due to the devastating earthquakes in Turkey UYAK2023, the 5th International Underground Excavations Symposium and Exhibition has been postponed to June 5-6-7, 2023. The other key dates that have ... More Information

TBM Vida breaks through on the West Gate Tunnel Project 

The first of two giant TBMs has broken through on the West Gate Tunnel Project, marking the completion of excavation on the 2.8 km first tube of twin tunnels under Yarraville - a Melbourne suburb ... More Information

Press release - Atkins appointed to design €9.5bn Dublin MetroLink project

Atkins has been appointed to the design for the advance works programme of Dublin’s £8.4bn (€9.5bn) MetroLink project. The scheme, given the green light in July of last year, ... More Information

CRCHI - Slurry TBM "Channel Express" Launched for the Construction of Water Supply Tunnels in Singapore

Press Release:- On February 1st, the "Channel Express", a Slurry TBM that was manufactured and shipped by CRCHI to Singapore was launched successfully following a ceremony. The TBM had been ... More Information

Australasian Tunnelling Conference 2023

The 18th Australasian Tunnelling will be hosted by the NZTS in Auckland, Aotearoa New Zealand between the 5th and 8th November 2023. With an overarching focus on Trends and Transitions in ... More Information

CEAR’s R&D updates for its MV Junction boxes

Press Release - Cear’s R&D dept. is always improving the technical performances of its products and specifically for its MV Juction and Distribution boxes. We recently received approval ... More Information

BBT - Segments production started for lot H41 Sill Gorge-Pfons

The main part of tunnels in lot H41 Gola del Sill-Pfons will be driven by two TBMs. The machines - during their tunnelling - will install the rings, composed of prefabricated concrete ... More Information

Strata Worldwide Celebrates 30 Years in Business

The global safety company looks back on accomplishments and looks forward to providing continued support for their industries around the globe. ATLANTA, GEORGIA - January 30, 2023 - Strata ... More Information

Work begins on the Dehesa del Terzuelo tunnel construction on the High Speed Line to Extremadura

Press Release - Adif Alta Velocidad has moved significantly forward in the construction of the 69km second section of the 437km High Speed Line Madrid-Extremadura. This will link Talayuela and ... More Information

Major breakthrough for Broadway Subway Project

A first major milestone has been reached by the Acciona Ghella Joint Venture on the Broadway Subway Project. Elsie, the first of two 150-m-long TBMs that began excavating for the Broadway Subway ... More Information

Switzerland - construction update for Isla Bella tunnel on A13

Press release - On January 26, 2023 the patron saint Santa Barbara blessing was given so construction could begin for the safety tunnel for the Isla Bella tunnel. The tunnelling works will be ... More Information

CRCHI Showcases the overall solution for underground engineering equipment at bauma CONEXPO INDIA 2023

The 6th International Trade Fair for Construction Machinery, Building Material Machines, Mining Machines and Construction Vehicles (bauma CONEXPO INDIA 2023) kicked off on January 31, 2023. China ... More Information

Cross River Rail Project - January/February updates

Teams have now completed Woolloongabba - Albert Street and Boggo Road - Woolloongabba sections in both directions, Roma Street to the Northern Portal 1.2 km in the upline and 750 m in the ... More Information

HS2 celebrates as longest tunnels reach halfway point under the Chilterns

On 01 February HS2 Ltd confirmed that Florence and Cecilia, the two giant TBMs driving the HS2 high speed rail project’s longest tunnels, have passed the halfway point of the 16 km (10 ... More Information

State of California Awards EUR344 (USD375 million) for VTA’s BART Project

On 31/01/2023 the State of California awarded EUR344 million (USD375 million) to the Santa Clara Valley Transportation Authority (VTA) for its BART extension into Downtown San Jose and Santa ... More Information

Cross River Rail Project - January/February updates

WTC 2023 - Early Registration Fees deadline extended!

After many requests, the Early Registration for WTC2023 to be held at Megaron Athens International Conference Centre (MAICC) on 12 – 18 May 2023 has been extended. The new early bird deadline is ... More Information

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Tunnelling News

Tunnel boring machine S-639B achieves breakthrough under Kanpur Metro Phase I Project

The package KNPCC-06 involves design and construction of a tunnel through TBM, cut and cover tunnel, underground ramp from Kanpur Central end of ... More Information

Lawmakers propose construction of undersea tunnel to link Luzon and Visayas

Several lawmakers from the Visayas region are proposing the construction of an underground tunnel that will serve as a permanent land connection ... More Information

Oman-UAE rail project hits major milestone with start of tunnel excavation

Tunnel excavation has begun in Oman's Al Hajar Mountains, marking a major milestone for the cross-border Oman-UAE Railway... More Information

Engineering the depths: innovative tunnelling for hydropower projects

Major schemes in Austria, China, and Germany are applying advanced underground construction techniques for hydropower projects. More Information

New tunnel, new standard: Silvertown project showcases innovation in surface protection

Originally approved in 2018, construction of the tunnel began in March 2021. In September 2023, following the completion of tunnelling works, ... More Information

Metro Manila Subway Project: DOTr launches third tunnel boring machine

Dubai: The Department of Transportation (DOTr) has launched a third tunnel boring machine (TBM) for the Metro Manila Subway Project (MMSP), ... More Information

Skanska JV wraps up $450M Baltimore tunnel nearly 2 years early

A joint venture has reached substantial completion on the $450 million Howard Street Tunnel Project in Baltimore nearly two years ahead of the original completion date, according to a ... More Information

Work continues on NYC megaprojects, despite $18B federal funding pause

Contractors on two of New York City’s largest infrastructure projects will keep digging, but they might glance over their shoulders toward Washington... More Information

HS2 Chipping Warden tunnel project moves step forward

HS2 Ltd An aerial view of the HS2 tunnel construction at Chipping Warden. A road HS2 Ltd. The 1.55 mile (2.5km) Chipping Warden tunnel will be ... More Information

First of three Tunnel boring machines on way to SA as beams go up for tram overpass

The first of three tunnel boring machines that will be used to complete the northern and southern tunnels project is on its way to SA as part of a ... More Information

Chennai Metro Rail's TBMs to begin tunneling between Thiruvanmiyur and Indira Nagar

Chennai Metro Rail begins tunnelling work in challenging stretch for phase II project, facing obstacles due to hard rock... More Information

Custom lifting gantry aids TBM removal - Construction Briefing

The four TBMs excavated the 8.4 mile (14 km) Northolt Tunnel section. Two went in each way, digging a pair of tunnels from both ends towards each ... More Information

Tunnel construction begins on Barskoon — Bedel road in Issyk-Kul region

According to the project, two tunnels, 5,340 and 3,840 meters long, respectively, will be built at Sook and Ashuu-Suu passes. They will be among the ... More Information

China debuts world's mightiest centrifuge, unleashing ultra-intense gravity

China leads the way in shield tunnelling machine development · Shield machine of south line of Yellow River tunnel starts boring in Jinan · A close ... More Information

Boring Company Launches Global Operations Control Center in Bastrop, Texas

The Boring Company has officially opened its new Global Operations Control Centre in Bastrop, Texas, the tunnelling start-up announced on X... More Information

Port of Longview Lands $35.9MM Federal Loan for Rail Expansion

Active Construction on New Hudson Tunnel Project Supporting Domestic Jobs and Economic Output ... Bridges/Tunnels, Class 1, Freight, Ports, Track ... More Information

TBM Parvati Achieves Breakthrough At Kakadeo Station Of Kanpur Metro Line 2

Brief Scope: Design and Construction of TBM Tunnel, Cut and Cover Tunnel, ramp after Double Pullia, ramps in Agriculture Depot for main line and ... More Information

Howard Street tunnel reopens ahead of schedule, boosting Baltimore's freight capacity

The Howard Street Tunnel has been reopened after being out of service since February 2025.The nearly 130-year-old tunnel extends north from Camden Yards to the Mount Royal Station and is ... More Information

Progress update on the Tunnel Boring Machine for National Grid

Following its launch in May this year, Buddug, the Eryri VIP tunnel boring machine (TBM) is making good progress digging the tunnel which will ... More Information

Mumbai-Ahmedabad Bullet Train Project Clears Major Hurdle

After months of delay, the tunnel-boring machine stuck in China is being shipped to India, clearing the path for underground construction of the ... More Information

Bright lights: This Las Vegas tunnel is getting a major upgrade

Construction is underway on Desert Inn Road between Paradise Road and Joe W Brown Drive as part of a $9.2 million improvement project on Friday, ... More Information

Panama Canal Tunnel Boring Machine Crosses Under the Canal, Marking a Milestone

Panama Canal Tunnel Boring Machine Crosses Under the Canal, Marking a Milestone on Metro Line 3. Auto-dubbed. 398 views · 6 hours ago ...more ... More Information

Major breakthrough achieved in Mumbai-Ahmedabad bullet train tunnel construction

Mumbai: A breakthrough was achieved for a 4.88 km-long tunnel between Shilphata and Ghansoli for the... More Information

New Austrian tunnelling method achieves milestone breakthrough in BKC-Shillphata undersea tunnel project

In a significant milestone for the ambitious undersea tunnel project between BKC and Shillphata, g Method (NATM) has ... More Information

World's Longest Railway Connection Makes Construction Breakthrough

The Brenner Base Tunnel, built deep beneath the Alps, is set to reshape freight and passenger transport across Europe... More Information

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

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