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Stad ship tunnel - recycling of blasted stone planned

The Norwegian Coastal Administration has been commissioned to build the Stad ship tunnel, the world's first full-scale ship tunnel, whose aim is to improve accessibility and safety for sea transport ... More Information

Dubai Metro Unveils Plans for 30-Kilometer Blue Line Expansion

Dubai's iconic metro system is set to undergo a major transformation with the addition of a new 30-kilometer track, known as the Blue Line. This significant development, revealed through a recent ... More Information

Participate in our Vote to Select the Name for the Upcoming TBM in Our Oslo Project!

Participate in our Vote to Select the Name for the Upcoming TBM in Our Oslo Project!

We are thrilled to invite you to cast your vote to choose the name for the new TBM that will play a pivotal role in our forthcoming project in Oslo, Norway. In keeping with a longstanding tradition, ... More Information

Francia/Grand Paris Express - Major Breakthrough Achieved on Line 6 Tunnels

Francia/Grand Paris Express - Major Breakthrough Achieved on Line 6 Tunnels

On November 6, 2023, a significant milestone was reached as the TBM (Tunnel Boring Machine) named Houda successfully broke through, marking its entry into the future Sevran - Livry station on Line 6 ... More Information

A New Dawn for Commuters: Construction Commences on the Hudson Tunnel Project in New York

In a momentous development for New York's bustling transportation network, construction has officially begun on the Hudson Tunnel Project, marking the onset of a transformative chapter in the city's ... More Information

STUVA Expo and STUVA Conference: Unveiling a World of Underground Construction

For over half a century, STUVA e.V. has been at the forefront of organizing scientific conferences that delve deep into the world of underground construction. These bi-annual conferences have become ... More Information

USA project funding update

On November 6, the Federal Railroad Administration (FRA), a division of the U.S. Department of Transportation (DOT), unveiled a groundbreaking development. They have allocated a substantial $16.4 ... More Information

Norway - EPC contractor MossIA completes excavation in Moss

MossIA, the EPC contractor in Norway, recently achieved a significant milestone by completing the excavation phase of the Moss tunnel in the northern section of the new double-track Sandbukta - Moss ... More Information

Brazil - The South TBM of Sao Paulo’s Metro Line 6 reached Perdizes Station

Brazil - The South TBM of Sao Paulo’s Metro Line 6 reached Perdizes Station

The TBM - named Maria Leopoldina - working on the construction of Line 6 of the Sao Paulo metro, in Brazil, reached its fourth stop on the route, Perdizes station, on Friday, September 29. The TBM ... More Information

TERRATEC Rock EPBM is ready for Delhi Metro

TERRATEC Rock EPBM is ready for Delhi Metro

In late August, TERRATEC celebrated the successful Factory Acceptance Test of a new 6.61m diameter Rock Earth Pressure Balance Tunnel Boring Machine (EPBM) destined for Delhi Mass Rapid Transit ... More Information

China's first EPB TBM Exported to South America came off the Production Line at CRCHI

China's first EPB TBM Exported to South America came off the Production Line at CRCHI

China's inaugural EPB TBM designated for South America recently rolled off the production line at CRCHI on September 27th. CRCHI, the manufacturer, holds the honour of being the first to export ... More Information

Lift off! HS2’s latest London tunnelling machine assembled 25 metres below ground

Press release - We've unveiled the names of the next pair of tunnel boring machines (TBMs) that will construct the high speed rail line under the capital. Following a public vote, the names Emily ... More Information

Cost and Schedule Changes for VTA's BART Project

Cost and Schedule Changes for VTA's BART Project

VTA announced the updated cost and schedule for VTA’s Phase II Project at October 20, 2023 Board of Directors meeting. These changes reflect the Project’s design progress and market ... More Information

Alignment chosen for the new railway line project Neuchâtel - La Chaux-de-Fonds!

Alignment chosen for the new railway line project Neuchâtel - La Chaux-de-Fonds!

Between Neuchâtel and La Chaux-de-Fonds, a new direct railway line will be built as part of the strategic development program for railway infrastructure, development stage 2035 (PRODES EA ... More Information

NCE Tunnelling Awards: Discover who the 2023 finalists are!

The shortlist has been announced for the NCE Tunnelling Awards 2023! Click here to view the 2023 shortlist. The winners will be announced at a gala dinner ceremony at the Hilton Bankside in London ... More Information

ISAVFT 2024 - Call for Papers is Now Open!

The call for papers for ISAVFT 2024  is now open. The symposium -  to be held at the Tivoli Hotel and Congress Centre in Copenhagen (Denmark) on 28-30 October 2024 - is seeking paper ... More Information

First TBM breaks through at future Oak-VGH Station

The first of two TBMs has broken through at the future Oak-VGH Station, achieving another milestone for the Broadway Subway Project.   The machine, named Phyllis, has reached the fourth ... More Information

Nye Veier announces the first tender for the E6 Ranheim-Værnes

Nye Veier announces the first tender for the E6 Ranheim-Værnes

Nye Veier has sent out the first tender information for the Ranheim-Vaernes section at the end of October/beginning of November. The first competitive dialogue will include completion of the section ... More Information

Press Release - Epiroc Powerbit X transforms ground support in Stockholm's Sofia Station

Press Release - Epiroc Powerbit X transforms ground support in Stockholm's Sofia Station

A hundred meters below ground, in the very heart of the Swedish capital Stockholm, the Epiroc Powerbit X is breaking grounds in civil construction with its diamondprotected technology by drilling an ... More Information

Turin/Lyon - New TBM live from the factory

Turin/Lyon - New TBM live from the factory

A new TELT TBM - 10.5 m diameter, 264 t weight, 180 m length, for the Lyon-Turin new line unveiled on October 6th, 2023 at the Herrenknecht AG plant! It will work on the CO6/7 site for the Mont ... More Information

National Grid’s London Power Tunnels breakthrough completes the project’s tunnelling activity

On September 30 th, 2023 the National Grid’s EUR1.15 bn (GBP1 bn) London Power Tunnels (LPT) project has achieved a major milestone with its final tunnelling breakthrough at Eltham substation ... More Information

TERRATEC delivers Tunnel Conveyors for Metro Manila Subway Project in the Philippines

The Metro Manila Subway Project commences with the implementation of TERRATEC's Continuously Advancing Tunnel Conveyors.  TERRATEC is pleased to announce the successful delivery of two ... More Information

World First - The €500MM Norwegian Ship Tunnel to Hit the Market

World First - The €500MM Norwegian Ship Tunnel to Hit the Market

Press release - The world's first ship tunnel will now go out to tender - The Stad Ship tunnel will secure ship traffic in weather-resistant Stad. It is now clear that he will go out to tender in ... More Information

HS2 – Latest Green Tunnel

HS2 – Latest Green Tunnel

HS2 has begun assembling the project’s longest ‘green tunnel’ - designed to blend the high speed railway into the rural landscape and reduce disruption for communities around ... More Information

Switzerland – Postpone the opening of the Ligerz tunnel

The Ligerz tunnel will be put into operation at the end of 2029, three years later than planned. This delay is due to objections and appeals as well as an updated construction method due to ... More Information

Second tube of Ucka tunnel on Y Istrian Motorway has been completed

On September 18, 2023 Bouygues Travaux Publics teams brokethrough for the second tube of the 5.6km Ucka tunnel on the Istria motorway. This breakthrough marks the end of the excavation work, carried ... More Information

Italy/Sicily - Second TBM for the Giampilieri-Fiumefreddo section has passed its FAT

Italy/Sicily - Second TBM for the Giampilieri-Fiumefreddo section has passed its FAT

On 11th  September 2023 the TBM EPB - diameter 9.36 m and weight of approximately 900 t - which will be used by Webuild for the construction of the Letojanni and Forza d'Agrò tunnels on ... More Information

Kanpur metro - TBM Nana reaches Bada Chauraha Station

Kanpur metro - TBM Nana reaches Bada Chauraha Station

This September the Gulermak - Sam India Builtwell JV’s TBM S93 - 6.52 m diameter and 120 m length - named Nana after Nana Saheb Peshwa and built by Terratec,  reached the Bada Chauraha ... More Information

Superloads deliver North East Link's TBM parts to Watsonia

The first parts of the massive TBMs that will dig the North East Link tunnels have completed their journey by sea to the Port of Melbourne and on September 9 and 10 have been transported to their ... More Information

Sydney Metro - Two milestones on Western Sydney Airport project

Sydney Metro - Two milestones on Western Sydney Airport project

The first milestone is the launch of the fourth TBM, named after Marlene Kanga AO, and the second milestone is the breakthrough of the TBM Peggy at the Airport Terminal Station.  ... More Information

Norway - The TBM that will drill the E6 Clean water tunnel Project in Oslo has arrived

On September 4th, 2023  the twelve largest and heaviest parts of the TBM - to be used to drive the tunnel for the new main water supply line in Oslo - were unloaded at Ormsundkaia  with ... More Information

Italy/Liguria - Choose alignment for the Aurelia Bis project linking Sanremo with Ventimiglia

In September in Ventimiglia representatives of the Government, of Liguria Region, of the Province of Imperia and of local municipalities presented the EUR 1.2 bn project for the ... More Information

Press release - Discover the €1.2B Mega Project in Norway - Paving the Way North of the Arctic Circle - E6 Megården–Mørsvikbotn

In a remarkable development, the Norwegian government has earmarked a substantial investment of NOK 4 billion for the ambitious E6 highway expansion project in Sørfold, Nordland. This ... More Information

The Central Interceptor tunnel project in Auckland reaches halfway mark

On 4 September the Hiwa-i-te Rangi TBM - more than 5m diameter -has broken through into a 69m deep shaft in May Road, Mount Roskill marking the halfway point of her 14.7km journey to central ... More Information

New milestones for Phase II of Chennai city’s metro rail network development

CMRL is going to further develop the Chennai city metro rail network as part of Phase II with 3 new corridors of metro rail for a total length of 116.1 km with 119 metro stations: Corridor-3, from ... More Information

North East Link TBM machine arrives by sea

The first of two 4000 t TBMs that will dig the North East Link Tunnels has passed testing. The first parts of the TBM have completed their journey by sea to the Port of Melbourne and they will ... More Information

Tunnelling News

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

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