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West Gate Tunnel Project - the boring of the two twin tunnels is now complete

The West Gate Tunnel Project marked a major milestone with TBM Bella breaking through in South Kingsville, completing a 4km journey from the west side of the Maribyrnong River under Yarraville, to ... More Information

Update on Robbins Main Beam TBM for the Lower Meramec Phase 2 tunnel

The Robbins Main Beam TBM for the Lower Meramec Phase 2 tunnel packs a lot into a small 3.35 m diameter: 360-degree probe drilling, high-performance drive motors, 192 tons of machine. See the ... More Information

Eurock 2024 - Call for Abstracts

Press Release - The call for abstracts for Eurock 2024 has opened! The European Rock Mechanics Symposium will be held in Alicante (Spain) on July 15-19, 2024. Click here to submit your ... More Information

NASTT 2024 No-Dig Show Call for Abstracts

The North American Society for Trenchless Technology (NASTT) is accepting abstracts for its 2024 No-Dig Show to be held at the Rhode Island Convention Center in Providence (Rhode Island, USA) ... More Information

India/Agra Metro - TBM Yamuna breaks through at Agra Fort station

Back in February the Robbins crew and contractor Afcons Infrastructure Ltd (Mumbai)/ Sam India Builtwell Pvt Ltd (Delhi) celebrated the site acceptance test for the first of two 6.65 m diameter and ... More Information

USA/Texas - Arrived on site the TBM EPB for the PL19TUN integrated pipeline project

Traylor-Sundt Construction Joint Venture continues to make progress on the Section 19 Long Tunnel Crossings (PL19TUN) integrated pipeline project in Henderson County, Texas. The project is spread ... More Information

TERRATEC EPB TBM is rocking at Mithi River

Press release - TERRATEC 3.14m diameter EPB TBM is making excellent progress for Mithi River Water Quality Improvement Project in Mumbai, India. TERRATEC 3.14m diameter Earth Pressure Balance ... More Information

CIFA takes its ninety-five years of history to Samoter

Press release - CIFA will be at Samoter 2023 (area F stands 21-24) while celebrating its 95th anniversary. Since its foundation, CIFA has grown alongside the changes all around the world, ... More Information

The World's Largest - 52 TBMs Group in Guangzhou Metro Construction

The construction project of Guangzhou Metro Line 18/22, as the largest metro investment in China, has attracted much attention. CRCHI has tailored 52 φ8.8m EPB/Slurry TBMs for the project, ... More Information

WTC 2023 - Digital presentation information

On 25/04/2023 the digital presentation to showcase the World Tunnel Congress 2023 was held online. The actual congress will be between the 12-18 May at the Megaron Athens International Conference ... More Information

STUVA-Expo 2023 - More than 150 exhibitors already registered

STUVA Expo will take place in Munich on the 8th and 9th of November 2023 alongside the STUVA Conference. Already more than 150 companies have already booked their trade fair ... More Information

HS2’s multi-billion-pound boost for UK businesses

HS2’s construction is helping to keep over 2,000 UK businesses afloat as they continue to tackle difficult economic conditions. Latest figures from HS2 show that tier two subcontracts ... More Information

€3 Billion in news tenders on the way for the new stage of the Lyon-Turin project

PRESS RELEASE - New tenders, with an estimated value of EUR3 billion, are on the way to build the Mont Cenis base tunnel which is under construction beneath the Alps between France and Italy. More ... More Information

First Tunnel Breakthrough achieved in Delhi

At the beginning of April NCRTC achieved its first tunnel breakthrough for the Delhi section of the Delhi - Ghaziabad - Meerut RRTS corridor. The TBM Sudarshan 4.1 made the breakthrough from the ... More Information

Green Light from Bolzano Municipality for the new Virgolo railway tunnel

On the 17/04/2023 the Bolzano City Council gave the go ahead for RFI to construct the new Virgolo railway tunnel with three tracks and the moving of the Merano line junction. The new Virgolo tunnel ... More Information

First TBM arrives at Broadway City Hall

On April 14, 2023 Elsie, one of two TBMs constructing the twin tunnels for the Broadway Subway, brokethrough to the future Broadway-City Hall Station, that will be the busiest and largest station on ... More Information

Snowy 2.0 Project Update

Construction of Snowy 2.0 - a critically important, pumped-hydro expansion of the Snowy Scheme in Australia, continues to make progress across multiple worksites. The project involves linking two ... More Information

HS2 launches third tunnelling machine in London

HS2 has once again begun tunnelling under the capital, launching its third giant Tunnel Boring Machine (TBM) in London. The tunnel won’t be used by HS2 trains, but instead will be used to ... More Information

World Tunnel Congress 2023: “The underground space is often undervalued as an asset”

A conversation between Arnold Dix, President of ITA and Nikolaos Roussos, President of GTS As the new edition of the WTC in Athens from 12 to 18 May approaches, Arnold Dix, President of the ... More Information

Chennai Metro Update

Marina Beach to Kodambakkam Flyover - The underground section of this corridor is split into two packages (UG-01 & UG-02) each of which contains 4 km of twin tunnels. In order to complete ... More Information

TERRATEC TBMs launched for Surat Metro

TERRATEC Tunnel Boring Machines keep on advancing on Surat Metro Rail project in India. TERRATEC is pleased to announce the launch of another EPB TBM for Surat Metro in India. This unit is a ... More Information

BBT - TBM Virginia has reached the border with Austria

On 28/03/2023 an important milestone was reached for the Brenner Base Tunnel, on the Italian side, at the Mules (BZ) construction site. After 14 km of excavation and almost 4 years of ... More Information

HS2 tunnelling team celebrate milestone TBM breakthrough in Warwickshire

Press release - Today [Thursday 30 March] HS2’s tunnelling team in Warwickshire celebrated the milestone breakthrough of tunnel boring machine ‘Dorothy’ as the giant cutterhead ... More Information

Robbins TBM Miss Briella will drive the Lower Meramec Tunnel Phase 2 project

AFFHOLDER (formerly known as SAK Construction, LLC tunneling) will use the TBM named Miss Briella for the Lower Meramec Tunnel Phase 2 project, part of the Metropolitan St. Louis Sewer District. ... More Information

Tunnel segments arrive for HRBT Expansion Project

Last week the HRBT Expansion Project hit a major milestone as the first set of tunnel segments arrived by barge to the South Island from the precast plant in Cape Charles, VA. Nine (9) tunnel ... More Information

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

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Tunnelling News

In pics: construction site of Chongming-Taicang tunnel

A smart assembling vehicle works at "Linghang" large diameter shield tunneling machine at the construction site of the Chongming-Taicang tunnel, part of the Shanghai-Chongqing-Chengdu ... More Information

IN PICTURES: Spectacular images of the removal of HS2's huge tunnelling machine

TBM Sushila was used to construct part of the Northolt Tunnel – an 8.4-mile tunnel ... construction/london-tunnels/progress-3/northolt-tunnel/tbm- ... More Information

Historic tunnels uncovered beneath Salisbury station during £5.3M upgrade project

Engineers from Network Rail and South Western Railway have uncovered a network of tunnels and rooms beneath Salisbury station during ongoing £5.3M upgrades to the station’s forecourt... More Information

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels. The new road will pass through Georgia along a trade route ... More Information

Buca Metro Tunnel Excavations Reached 50 Percent Level

Important progress is being made in the construction of the line, where four tunnel boring machines (TBMs), each 100 meters long, 7 meters wide and ... More Information

'Very promising' narrow-reef boring technology nearing rollout stage

A novel tunnel boring machine (TBM) will open up Bokoni's narrow tabular dipping PGM orebody to allow narrow-reef boring to take place, so that ... More Information

A vast undersea tunnel is being built

The 7.4 billion-euro ($7.7 billion) project is a huge undertaking, in every sense. Each section of the tunnel is colossal. These concrete structures ... More Information

National Grid gets planning permission for Grain to Tilbury upgrade with new Thames tunnel

National Grid has secured full planning approval for the Grain to Tilbury project, which includes a new power tunnel under the River Thames... More Information

Right track tunnel of Huangjialing Tunnel in NW China's Gansu drilled through

A staff member works on the construction site of the right track tunnel of the Huangjialing Tunnel in Linxia Hui Autonomous Prefecture, northwest ... More Information

Shetland Islands tunnels plan takes 'huge step forward' with sonar investigations

This phase will further inform the project's development and feasibility. The tunnel project, seen by locals as pivotal for improving ... More Information

Construction of the Tarande tunnel begins next week

On March 17th, in Vilnius district Construction of a tunnel and other related infrastructure will begin at Taranda and Bukiškis. This project aims ... More Information

Delhi Metro's Golden Line achieves major tunnel breakthrough;

The construction of Delhi Metro's Golden Line achieved a major milestone on Thursday as the Tunnel Boring Machine (TBM) broke through at the ... More Information

RiverRenew Tunnel Project Nearing Completion

The RiverRenew Tunnel System Project, the largest infrastructure investment in Alexandria's history, is nearing completion. More Information

Sydney Metro West tunnels enter final stretch after big breakthrough

Two tunnel boring machines (TBMs) constructing the huge Sydney Metro West tunnels have made a smashing entrance 24 metres below the surface. More Information

Chennai Metro Rail launches first tunnel boring machine for underground tunnelling in Kolathur

Corridor 5 begins at Madhavaram Milk Colony and connects through Koyambedu, Porur, Alandur and other residential/commercial areas of the city to ... More Information

Element Six, Master Drilling Announce Tunnel Development Partnership

Element Six and Master Drilling will deliver a diamond-enabled solution designed to increase tunneling development speed, reducing costs and minimize the environmental impact of tunnel ... More Information

Gateway Project Tunnel Connecting NY and NJ Moves Forward

Five Gateway contracts have been awarded so far, including one on Predergast's first day for construction on the Manhattan side of the tunnel... More Information

HSR Xi'an – Yan'an: Completion of All Tunnels in the Project

The HSR Xi'an – Yan'an has completed the excavation of all tunnels, including the Tongchuan Tunnel. This is a key milestone in the construction ... More Information

Brazil's US$1bn underwater tunnel project making waves among potential bidders

The first underwater road tunnel project in Brazil is attracting interest from multiple potential bidders, an official familiar with the matter ... More Information

Element Six and Master Drilling Announce Strategic Partnership for Advanced Tunnel

Achieving high quality, nonexplosive tunnel construction with various aspects of value generated compared to traditional rock excavation methods is a ... More Information

Tutor Perini Wins a $1.2 Billion NYC Contract

A joint venture of Sylmar-based civil construction firm Tutor Perini Corp. and its subsidiary Frontier-Kemper Constructors has won a $1.18 billion contract to construct a pair of rail ... More Information

Milestone reached for $1.6b Auckland wastewater tunne

Watercare's Central Interceptor project has passed an historic milestone with the southern half of the 16.2 kilometre tunnel – Blockhouse Bay ... More Information

Elon Musk's 'Wormhole' Tunnel Promises To Carry 20,000 People Per Hour In Dubai

It’s been more than eight years since Elon Musk decided he was fed up with traffic and declared he’d start digging tunnels to revolutionize public transport across the United States. So ... More Information

First tender for Dubai’s $22bn tunnels due within days

Dubai Municipality is expected to tender the first two packages of the $22bn Dubai Strategic Sewerage Tunnels (DSST) project imminently... More Information

London's Thames Tideway Tunnel now fully connected

After 10 years of construction work, the last of the 21 connections of the Thames Tideway Tunnel was made to the city's Victorian sewage system. More Information

Silvertown Tunnel

Silvertown Tunnel is the Transport for London project looking to forge a brand-new connection between Silvertown and the Greenwich Peninsula... More Information

Dubai Loop: Elon Musk to Build Huge Underground Road Network

Musk's The Boring Company, which is responsible for building a similar project in Las Vegas, aims to create 17 kilometers of tunnel capable of ... More Information

Wisconsin approves $4.5m tunnel lighting project

Wisconsin Governor Tony Evers has approved a $4.5m lighting systems upgrade project in various tunnels in Milwaukee County, Wisconsin. More Information

$1.18bn Manhattan Tunnel contract awarded as part of $16bn Hudson Tunnel Project

The Hudson Tunnel Project is the key section of the Gateway Programme, which is a comprehensive rail infrastructure investment aimed at boosting ... More Information

North East Link continues to forge ahead towards completion

Tunnelling will soon commence on Victoria's longest twin road tunnels – the North East Link tunnels – as two massive tunnel boring machines (TBMs) are ... More Information

Africa's huge £8.5m tunnel cuts up to 26 minutes off journeys to major capital city

The tunnel is to be constructed within the next three years. This project will not only create 500 jobs in the construction ... More Information

CMRL's tunnel boring machine from Panagal Park reaches Kodambakkam station after a year

Chennai Metro Rail's Phase II Project faces delays as tunnel boring machines 'Pelican' and 'Peacock' progress towards Kodambakkam... More Information

$800-million twin-tube tunnel, longest in the Philippines, nears 'breakthrough'

A senior agency official stated on Thursday that the tunneling phase of the Davao City Bypass Construction Project will achieve a long-awaited ... More Information

The World’s Largest Immersed Tunnel Is Being Built—And It’s Done Without a Tunnel Boring Machine

When we think about groundbreaking advancements, our minds often jump to cutting-edge technology like smartphones or supercomputers. But some of the most awe-inspiring innovations are ... More Information

Brenner Base TBM enters 'highly fractured' fault zone

A tunnel boring machine (TBM) working on the northernmost active construction lot of the Brenner Base Tunnel project has entered a “highly ... More Information

India building a historic Undersea Tunnel for Mumbai-Ahmedabad Bullet Train Project

He stated, "All high-quality safety norms have been adopted in the construction of this India's first carefully designed undersea tunnel project." The ... More Information

Norway's Incredible Ship Tunnel Plan Is Back On Track

Despite pandemic-related and planning delays to the project, the Norwegian Coastal Administration is pressing ahead with plans to build the world's ... More Information

PM Modi inaugurates Z-Morh tunnel in J&K

The tunnel works with the under-construction Zojila tunnel to enhance travel efficiency and road connectivity. NEW DELHI: Prime Minister Narendra ... More Information

Metro's tunnel construction on track

Meanwhile, the 'Azad' TBM is already working on the 'up-line' tunnel for the same stretch. After arriving at Transport Nagar, both TBMs were 'dragged' ... More Information

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