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Press release - Tunnel progress as HS2 completes first mile under the Chilterns

The first enormous 2,000 tonne tunnelling machine passed the one mile mark this week during the construction of the first tunnels for HS2 - Britain’s new high speed rail link between London, ... More Information

Mapei - Concrete restoration and waterproofing systems on existing tunnels

Mapei - Concrete restoration and waterproofing systems on existing tunnels

Maintenance of underground infrastructure is one of the most important issues for the construction market. Nowadays, maintenance includes priority activities, in order to maintain the value of ... More Information

Gotthard Road Tunnel update

On the 29/09/2021 in Goeschenen and Airolo the works for the second tube of the Gotthard motorway tunnel were officially opened. This was a symbolic ceremony, because the original celebration was ... More Information

hyperTunnel – tunnelling reimagined

hyperTunnel – tunnelling reimagined

Innovation born out of necessity: the launch of hyperTunnel will see tunnels built completely differently in future, for huge global societal benefit. hyperTunnel is a new British tunnelling ... More Information

Factory Acceptance Ceremony for STRABAG’s 12m EPB TBM

Factory Acceptance Ceremony for STRABAG’s 12m EPB TBM

The Factory Acceptance Ceremony for STRABAG’s 12m EPB TBM took place yesterday at the Herrenknecht AG workshop in Schwanau, Germany. The TBM will tunnel the Metrolinx & Infrastructure ... More Information

Tianxi Expressway - Weilan Tunnel Completed

On 17/09/2021 the Weilan Tunnel part of the Guangxi Tianxi Expressway project invested in and constructed by Energy China Gezhouba Group successfully achieved a full-scale break ... More Information

Brenner Base Tunnel - Update of Total Project Costs

On the 07/09/2021, after the approval of the updated construction programme, approval was also obtained for the total costs of the BBT project, which had been updated to take the following issues ... More Information

Third breakthrough for Suki Kinari hydropower project in Pakistan

Third breakthrough for Suki Kinari hydropower project in Pakistan

On the 25/09/2021 a ceremony was held to celebrate the third breakthrough of headrace tunnel for the 884 MW Suki Kinari Hydropower Project. The project  has been under construction since 2017 ... More Information

STRATA Worldwide launches new website

STRATA Worldwide launches new website

From their early beginnings in underground coal mining roof support, STRATA has evolved into a leading global provider of advanced products and technologies in multiple industries. “Our ... More Information

Namma Metro - TBM URJA Tunnel Breakthrough at Shivajinagar metro station

On 22/09/21 Urja, the first TBM for the Namma Metro's Reach 6 line made a breakthrough at Shivajinagar, after completing the north bound tunnel of 855 m from Cantonment to Shivajinagar stations: ... More Information

MineARCs - Chamber Commissioning & Everything You Need To Know About It

MineARCs - Chamber Commissioning & Everything You Need To Know About It

Purchasing a MineARC chamber is an investment in ensuring that your crew are safe in the event of a disaster, but simply purchasing a chamber is only the first step in this process. A big part of ... More Information

T&M SPECIALISTS AWARDED A PERMANENT SPRAYED CONCRETE LINING PROJECT IN HONG KONG.

T&M Specialists Limited, established in Hong Kong in 2014, are delighted to announce they have been awarded a Permanent Sprayed Concrete Lining project.  Taking part in Hong Kong’s ... More Information

iPS Powerful People at British Tunnelling Society Conference and Exhibition

iPS Powerful People at British Tunnelling Society Conference and Exhibition

Our Business Development Manager Tunnelling Barrie Willis and our Manager Tunnelling Sam Merrick will be attending the British Tunnelling Society Conference on September 30th and October 1st in ... More Information

Hudson Tunnel Project Financial Plan and Record of Decision

At the end of August, the Gateway Program partners submitted an updated financial plan for the Hudson Tunnel Project to the Federal Transit Administration (FTA) that should improve the project's ... More Information

Boreas Tunnelling are hiring multiple TBM operators

Boreas Tunnelling are hiring multiple TBM operators

Boreas Tunnelling are recruiting multiple TBM Operators that have verifiable long term experience in operating a Herrenknecht EPB TBM (Diameter 10.0 and above) for a long term job in South East ... More Information

Slurry Treatment Plant (STP) Manager wanted

Slurry Treatment Plant (STP) Manager wanted

TunnelCraft are looking for a Slurry Treatment Plant (STP) Manager for a large UK based tunnelling project. The successful applicant will be working alongside the Tunnelling site team to ensure ... More Information

PPS and tacs join forces again

After more than 30 years of going their separate ways, Munich based guidance system suppliers PPS GmbH and tacs GmbH have announced their merger and future cooperation. "The combination of our ... More Information

HRBT Expansion Project Updates

The HRBT Expansion Project reached several milestones in August. On the South Island, construction crews completed the underground concrete walls, also known as slurry walls, for the launch pit, ... More Information

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

Tunnelling News

SRL inspires TBM Captains - Victoria's Big Build

Tunnel Boring Machine (TBM) Captains. When SRL East opens in 2035 ... Construction of SRL East is powering ahead, with more than 3000 people ... More Information

Beneath winter's fjords: 17 miles of rock, 1300 ft deep

Rogfast tunnel construction beneath Norway's winter fjords, 17 miles long and 1,300 feet deep,. Credits: Ground Engineering. For years, the E39 ... More Information

Massive Sinkhole Opens Near $26 Billion Tunnel Project in Melbourne

A massive sinkhole has suddenly opened up in Melbourne near a major highway tunnel construction site, sparking safety fears and halting ... More Information

The world's longest expressway tunnel: China's Tianshan Shengli Tunnel

At the same time, the project also implemented China's first 'three-tunnel parallel construction' plan, which increased the number of workfaces. At ... More Information

'Not really where you want to be': Ground preparation for Lower Thames Crossing tunnelling

The Lower Thames Crossing is a major new road and tunnel project in the UK, intended to alleviate congestion at the Dartford Crossing and enhance. More Information

Funding problems affect metro line extensions

In the Athens metropolitan area, construction of Line 4 is continuing, with the Avax-Ghella-Alstom consortium saying the two tunnel-boring machines ... More Information

Transport Minister inspects progress on Cairo Metro Line 4 phase one

Four tunnel boring machines (TBMs) are in operation—two in each direction. According to the project timeline, the first TBM has reached the Grand ... More Information

Here's what happened with Toronto's Scarborough Subway Extension in 2025

SSE tunnelling, which began in January 2023, is being carried out with the largest tunnel boring machine (TBM) ever used on a Canadian transit project ... More Information

NHAI connects Tunnel No. 4 on Shimla bypass

NHAI PIU Shimla Project Director Anand Kumar, Bharat Construction ... The tunnel was constructed using the New Austrian Tunnelling Method (NATM) ... More Information

Mumbai-Ahmedabad Bullet Train Update: Palghar Tunnel Breakthrough Achieved

NHSRCL Bullet Train Project | India First Bullet Train Update: Last year, the Ministry of Railways achieved a breakthrough in the construction of ... More Information

Main tunnel works connecting future Changi Airport T5 to existing T2 completed

Main tunnel works connecting the future Terminal 5 to the existing Terminal 2 are completed, as the Changi East development gathers pace... More Information

Testing completed on Hudson River Tunnel boring machines

The project calls for construction of 9 miles of passenger-rail track between New York ... More Information

World's longest motorway tunnel finally opens in £3BILLION project

The Tianshan Shengli (Victory) Tunnel, located in the Tianshan Mountains of Xinjiang, China, measures some 22 kilometres – roughly 13.75 miles – and ... More Information

Cross-river tunnel of Nanjing Metro Line 4 Phase II completes tunneling

This photo taken on Dec. 27, 2025 shows the rear of the "Xinzhengcheng" tunnel boring machine at the construction site of Nanjing Metro Line 4 ... More Information

Tunnels Design and Construction Market is Going to Boom

HTF Market Intelligence projects that the global Tunnels Design and Construction market will expand at a compound annual growth rate (CAGR) of 6.80% from 2025 to 2032, from 72 Billion in ... More Information

Longest tunnel in the world costing £7billion will connect 3 European cities

The Brenner Base Tunnel is currently under construction and will connect the countries of Austria and Italy. The impressive tunnel, which is set ... More Information

Georgian Officials Mark Completion of Railway Modernization, Hoping to Boost Transit

The works also included the construction of the 8,300-meter dual-tube tunnel near Kvishkheti, 10 bridges, six tunnels, and around 100 engineering ... More Information

Israeli municipality approves budget for new tunnel project south of Jerusalem

The Jerusalem Governorate said that the project aims to connect the Har Homa settlement, built on Jabal Abu Ghneim land, to the Begin bypass road near ... More Information

Megaprojects Under Construction Around World In 2026

Described as the largest road tunnel in the U.K., the Lower Thames Crossing will link Tilbury in Essex via a tunnel underneath the Thames with ... More Information

Delhi Metro expansion: Cabinet approved Rs 12,015 crore project

The project, planned over a construction timeline of three years, will be executed largely underground using tunnel boring machines to minimise ... More Information

World's Longest Expressway Tunnel to Open, Linking North and South Xinjiang

Engineers used innovative methods and specially designed machines called tunnel boring machines (TBMs) to dig through hard rock faster and safer than ... More Information

The huge £21bn mega-tunnel that goes right through the middle of a mountain

Huge boring machines will create a 57.5km (35.7mile) tunnel through the Alps to connect French and Italian high-speed rail networks and link Lyon ... More Information

Rome digs deep for railway that burrows beneath the Colosseum

Tunnellers used lasers to check whether ancient columns at the nearby Forum were not wobbling as their 300ft long tunnel boring machine churned ... More Information

World’s largest-diameter high-speed railway shield tunneling machine reaches milestone

The world's largest-diameter high-speed railway shield tunneling machine independently developed by China, “Linghang,” for the Chongming-Taizhou ... More Information

Third circuit on £1bn London Power Tunnels 2 project energised

Electricity has begun flowing through a new section of National Grid's London Power Tunnels 2 (LPT2) project after the energisation of a ... More Information

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