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TERRATEC 2nd Open TBM delivered for Mumbai’s Water Tunnel Project

TERRATEC 2nd Open TBM delivered for Mumbai’s Water Tunnel Project

TERRATEC delivers the new 3.2m dia. Open TBM that will be used by Contractor Soma Enterprise Limited to complete two drives for Amar Mahal I water transfer tunnel contract in Mumbai, India. ... More Information

Strata Tunnelling Head Mike Rispin Becomes Chair of the Underground Construction Association of SME

Strata Tunnelling Head Mike Rispin Becomes Chair of the Underground Construction Association of SME

Mike Rispin, who joined Strata Worldwide as Vice President of Tunnelling in December 2020, becomes chairman of the Underground Construction Association of The Society for Mining, Metallurgy & ... More Information

Turkey - New high-speed railway line Halkali-Ispartakule-Cerkezkoy

Turkey - New high-speed railway line Halkali-Ispartakule-Cerkezkoy

Turkish Republic Ministry of Transport and Infrastructure, General Directorate of Infrastructure Investments (AYGM) intends to construct a new high-speed railway line from Halkali to ... More Information

Completion of Melbourne's Metro Tunnel Project in 2025

Completion of Melbourne's Metro Tunnel Project in 2025

After the completion of TBM tunnelling, Arden Station is taking shape with the platforms being constructed and the Laurens Street station entrance ground floor slab poured. The twin tunnels are now ... More Information

Breaking ground on the Scarborough Subway Extension

Breaking ground on the Scarborough Subway Extension

On 23/06/2021 Metrolinx officially broke ground on the Scarborough Subway Extension, though work is already well underway. At the northeast corner of Sheppard and McCowan, crews are building the ... More Information

Press release - Getting on with the North East Link

A preferred bidder has been selected for the tunnelling package for the North East Link, which will fix the missing link in Melbourne’s freeway network, slash travel times and free up local ... More Information

City Rail Link construction - June Progress

City Rail Link construction - June Progress

The 130 m long TBM Dame Whina Cooper  has reached 60 m on its journey towards the Karangahape station under construction,  830 m away from its Mt Eden starting point. The red ... More Information

Warwick Boring – Learn all about their bid to win Elon Musk’s “Not-A-Boring Tunnelling Competition 2021”

Warwick Boring – Learn all about their bid to win Elon Musk’s “Not-A-Boring Tunnelling Competition 2021”

We are a diverse and ambitious group of 30+ engineers from the University of Warwick, UK who qualified into the Finals of Elon Musk’s Competition as the top 3% worldwide (12 out of 400 ... More Information

Tunnel breakthrough on Terzo Valico dei Giovi

Tunnel breakthrough on Terzo Valico dei Giovi

On 17/06/2021 another milestone was reached on the Terzo Valico dei Giovi project. This project was commissioned by Rete Ferroviaria Italiana (RFI) (Gruppo FS Italiane) and had its first ... More Information

Swinoujscie Tunnel - Update

So far as part of the Swinoujscie tunnel construction project the TBM Wyspiarka has tunnelled 563 m, and has installed 170, 1.5-meter rings and 154 two-meter rings. Each ring consists of 8 ... More Information

Register for the Lunchtime Lecture Series - #6 "Into the future"

Event by ITACET Foundation for Continuous Education and Training on Tunnelling and Underground Space Use -  Online on Tue, Jul 13, 2021, from 12:00 PM - 1:30 PM (your local ... More Information

Press release - Secondary lining complete on Frogmore Connection Tunnel

Press release - Secondary lining complete on Frogmore Connection Tunnel

Secondary lining on a 1.1km connection tunnel linking Wandsworth to the main super sewer in West London is now complete, marking a major milestone for the Tideway project. The Frogmore ... More Information

TELT - First of 3 Webinars during the European Year of Rail

2021 marks a key year for the strengthening of the transport sector, a year in which the commitment to the future of new generations can have a tangible effect.    Environment, ... More Information

Lyublinsko-Dmitrovskaya metro line - 50% of tunnelling completed on Lianozovo - Fiztech section

The construction of the running tunnels between the future Lianozovo and Fiztech stations of the Lyublinsko-Dmitrovskaya metro line is more than 50% complete.  The TBMs Tatiana and Irina, ... More Information

Suburban Rail Loop Current Works

The Suburban Rail Loop Authority is undertaking geotechnical investigations as part of the early planning and design work that will help determine the rail alignment and station locations. These ... More Information

HS2 launches national vote to name Warwickshire TBM

On the 09/06/2021 HS2 launched a national vote to name their third TBM – weight 2,000 t and diameter 10 m - that will dig a one-mile twin bore tunnel under Long Itchington Wood in ... More Information

Canada - Annacis Water Supply Tunnel

Canada - Annacis Water Supply Tunnel

Project Overview - To meet the growing demand for drinking water in the region, Metro Vancouver is planning to construct a major water infrastructure project called the Annacis Water Supply ... More Information

India - Pune Nashik Semi-High Speed Railway Line

India - Pune Nashik Semi-High Speed Railway Line

The central government has approved the Nashik-Pune High-Speed Railway project involving an investment of Rs 16,039 crore. The line will be funded by the government of Maharashtra (20%) and Ministry ... More Information

Hagerbach NXT 50 Festival - fireworks of the future

Hagerbach NXT 50 Festival - fireworks of the future

Flums, May 25, 2021 - "It is about time for sustainable, future-oriented innovations." Felix Amberg (President Hagerbach Test Gallery and owner of Amberg Group) on receiving the 2019 STUVA Award. ... More Information

38th Breakthrough for Metro 3 line in Mumbai

38th Breakthrough for Metro 3 line in Mumbai

Mumbai Metro Rail Corporation (MMRC), achieved its 38th breakthrough at Chatrapati Shivaji Maharaj Terminus (CSMT) Metro Station: click here for the video. Robbins made TBM Surya-1 completed ... More Information

Press Conference today announcing €3 billion worth of tenders for the Lyon-Turin railway line

Today 07/07/2021 at 12h30 there is a live streaming press conference organized by APE (Association de la Presse Etrangère) in Paris, ’Associazione della Stampa Estera (Italy) and TELT - ... More Information

CEAR Srl appears “on air” for the first time in an Italian Broadcast

For the first time Costruzioni Elettrotecniche (CEAR Srl) has appeared on television. The company spoke to entrepreneurs and other businesses about the company and how it operates. The interview was ... More Information

Tideway Press Release

Stunning aerial images released as final shaft excavated on super sewer - To coincide with the completion of the final shaft dug as part of the super sewer project, Tideway has released stunning new ... More Information

HS2 launches webinar series to help Britain’s SMEs bid for work on the project

HS2 Ltd has announced a series of webinars, every Wednesday for 6 weeks until Wednesday 14th July, to ensure British businesses benefit from over 400,000 contract opportunities that building ... More Information

Zitron at UGOL ROSSII & MINING 2021 Exposition

Zitron is participating in the UGOL ROSSII & MINING 2021, the trade fair trio for every aspect of Mining. The exhibition is taking place from Tuesday 1st  to Friday 4th , June 2021, in ... More Information

CIFA - update

CIFA - update

A total of three CSS3 EVOs, two of which delivered in April 2021, will be used by the international group of companies consisting of VINCI Construction Grands Projets, Dodin Campenon Bernard, ... More Information

TBM Dame Whina Cooper Launched for the City Rail Link

TBM Dame Whina Cooper Launched for the City Rail Link

The TBM Dame Whina Cooper, is slowly making its first steps. Progress over the first initial metres is cautious but steady while the crew bed down getting used to the machine and conditions ... More Information

Cross River Rail Project – request for project change April 2021

  Queensland's Coordinator-General seeks your views deadline 04/06/2021, on the eleventh proposed change to the Cross River Rail project, including the effectiveness of the ... More Information

Final Environmental Impact Statement and Final Section Evaluation for the Hudson Tunnel Project

The Federal Railroad Administration (FRA) jointly with NJ TRANSIT and the Port Authority of New York and New Jersey have issued the Final Environmental Impact Statement (EIS)/Final Section 4(f) ... More Information

Mega-Sized Crossover Machine Ramps up in Turkey

Mega-Sized Crossover Machine Ramps up in Turkey

Robbins XRE TBM bores Eşme-Salihli Railway Tunnel - A Robbins 13.77 m (45.18 ft) diameter Crossover XRE TBM launched recently in spring 2021 in Eşme, Turkey. The large machine is boring the 3.05 km ... More Information

Major tunnelling works complete as all four TBMs reach final stop in Melbourne

Major tunnelling works complete as all four TBMs reach final stop in Melbourne

All four TBMs digging the Metro Tunnel’s 6.3 m-high, twin 9km tunnels have now completed their works after 20 months.  The last TBM to hit the finish line was Meg, which arrived at the ... More Information

Hampton Roads Bridge Tunnel - Factory Acceptance Ceremony of TBM Mary

Hampton Roads Bridge Tunnel  - Factory Acceptance Ceremony of TBM Mary

The Factory Acceptance Test ceremony for the 14m diameter TBM Variable Density, named Mary, happened on thr 06/05/2021 in Germany at the Herrenknecht Deutschland facility: click here and here for ... More Information

Work Progresses in the Corbulo tunnel

Work Progresses in the Corbulo tunnel

This week, Comol5 installed the first tunnel technical installations (TTI) in the service building of the Corbulo  tunnel in Leiden. It affects 54 different installations that ensure a safe ... More Information

Breakthrough on DTSS Phase 2 for Leighton Asia

Breakthrough on DTSS Phase 2 for Leighton Asia

On 17/05/2021 Leighton Asia's Deep Tunnel Sewerage System Phase 2 - Contract T-09 in Singapore marked a major milestone, with the first 7.56m diameter TBM Teban breaking through at the South Tunnel. ... More Information

7th Edition of the ITA Tunnelling awards

The international competition "the ITA Tunnelling Awards" seeks and rewards the most ground-breaking innovation and outstanding projects in tunnelling and underground space ... More Information

Micro Tunnel Boring Machine lowers into shaft to begin first tunnelling for Watercare’s groundbreaking Central Interceptor project

Micro Tunnel Boring Machine lowers into shaft to begin first tunnelling for Watercare’s groundbreaking Central Interceptor project

A micro Tunnelling Boring Machine (MTBM) called ‘Domenica’ has been successfully lifted into a shaft at the May Rd, Mount Roskill site for Watercare’s Central Interceptor ... More Information

Tunnelling News

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

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