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AFD signed EUR245million funding for Pune Metro

On the 28.01.2019 AFD (French Development Bank) and DEA (Department of Economic Affairs) on behalf of the Government of India signed a Credit Facility Framework agreement in New Delhi for extending ... More Information

Twin Tunnel Breakthrough in India

Twin Tunnel Breakthrough in India

On 31.01.2019 Mumbai Metro Rail Corporation (MMRC) witnessed a twin tunnel breakthrough of the third and fourth TBM of Colaba-Bandra-SEEPZ Metro3 corridor at Dadar Metro Station. Krishna 1, the ... More Information

Robbins Blog

Robbins Blog

A Brief History of Rapid Excavation in 7 Key Points Posted by Brad Grothen | Jan 29, 2019 Rapid Excavation: It’s a term bandied about throughout our industry, but what does it mean? ... More Information

Waterproofing system for Buenavista 2 Tunnel

 Waterproofing system for Buenavista 2 Tunnel

The new Chirajara-Villavicencio roadway represents the final third of the Bogotá-Villavicencio corridor, between the departments of Cundinamarca and Meta, with a total length of 22.60 ... More Information

Northgate Link construction reaches 70% completion

The Northgate Link light rail extension in Seattle is about 70% complete and on track to open in 2021. Progress on Sound Transit's Northgate Link construction includes track installation, which ... More Information

Breakthrough on Metro Line 1 in Milan

Breakthrough on Metro Line 1 in Milan

The 22nd of January 2019 saw the breakthrough of the tunnel for the future Sesto Restellone and Monza Bettola stops on the Metro Line 1 in Milan, Italy. The Sesto Restellone station construction ... More Information

A fleet of TERRATEC EPBMs gear up for action in Istanbul

A fleet of TERRATEC EPBMs gear up for action in Istanbul

TERRATEC is pleased to announce the delivery of a further two new 6.56m diameter Earth Pressure Balance Tunnel Boring Machines (EPBMs) for the ongoing expansion of Istanbul’s Metro system, ... More Information

Press Release - The British Tunnelling Society Hyperloop Challenge

Press Release - The British Tunnelling Society Hyperloop Challenge

Elon Musk has promoted the concept of Hyperloop in tunnels but considers this viable only if the cost of tunnelling can be reduced by a factor of ten or more. His suggestion is that this could be ... More Information

New TBM launched for the Big Circle Line in Moscow

New TBM launched for the Big Circle Line in Moscow

On the 26th of January the fifth TBM, made by China Railway Construction Heavy Industry Group, for Moscow’s Big Circle Line was launched in the south-western section. The TBM Mary (6 m ... More Information

Second TBM reaches Gelsomini station in Milan

Second TBM reaches Gelsomini station in Milan

On the 23rd of January 2019 a second TBM broke through in to what will be the future Gelsomini station. This is one of the TBMs driving tunnels in the West section from San Cristoforo to Solari ... More Information

Harding Prize – deadline extended

Harding Prize – deadline extended

The deadline for submission of entries for the Harding Prize is usually 31 January, but for 2019 only it has been extended to 14 February. The Harding Prize is awarded each year in April. Entry is ... More Information

iPS form strategic partnership with T&M specialists

iPS form strategic partnership with T&M specialists

Following negotiations in Dubai during January 2019 the Tunnelling and Civil Construction division of iPS have decided to enter into a partnership with the Hong Kong based Tunnelling company ... More Information

Innovation in Tunnels: Construction, Maintenance, Safety and Fire Protection

This conference will be held between the 11th and 12th April 2019  in  Amsterdam, Netherlands Partial Topics Covered ... More Information

ATS QLD – Austroads Taskforce Update – 14 February 2019

The Austroads Road Tunnels Task Force coordinates updates to the Austroads Guide to Road Tunnels, and coordinates the development of technical research projects considering all aspects of road ... More Information

Purple Line Extension (USA) announces TBM naming and are contest

The Purple Line Extension Transit Project in Los Angeles is adding two more TBMs to its fleet. These TBMs will be part of section 2 and will join Elsie and Soyeon which are currently digging the ... More Information

WTC 2019 - Early registration

WTC 2019 - Early registration

Don't miss out the next WTC2019, submit your registration before 31.01.2019 and take advantage of substantial discounts! You will be able to attend conferences and workshops, discover the latest ... More Information

Norway's $47BN Coastal Highway with Undersea Tunnels | Europe's Largest MegaProject

Information provided by Skyscrapers & MegaProjects  https://www.youtube.com/watch?v=sWr5I-hClQU The infrastructure plans will cost Norway no less than $47 billion and would ... More Information

The legend in ventilation systems

The legend in ventilation systems

Zitron is a leader in the manufacture of ventilation systems for mining, public works and the naval sector; transport, drilling and lifting equipment. Zitron, located in large manufacturing ... More Information

Cooling the Tube – on Ice till 2030?

This article has been submitted by Calvin R Barrows it is a different way of looking at the causes of the heat build up in the summer on the London underground. Please read through the article and ... More Information

All Around Issue #10 — Together in every dimension

All Around Issue #10 — Together in every dimension

Find out how mechanized tunnelling from Herrenknecht shapes the world of tomorrow. Has the future at Herrenknecht ever been as exciting as it is today? I’m sure we will not run out of stuff ... More Information

First Melbourne Metro Tunnel TBM is due to arrive shortly

First Melbourne Metro Tunnel TBM is due to arrive shortly

The first of 4 TBMs that will build the Melbourne Metro Tunnel is on its way to its launch site in North Melbourne. The TBMs are being engineered in Germany and built in China, before they are ... More Information

MineARC - Designing Refuge Chambers for Tunnelling

MineARC - Designing Refuge Chambers for Tunnelling

Underground construction is high risk; the extensive length and size of a tunnel build through unknown rock strata poses the continual threat of fire or rock fall. To manage this risk ... More Information

GETECH srl Centrifugal Plants

GETECH srl Centrifugal Plants

GETECH srl can count on consolidated experience, thanks to 30 years of research, development and application in the field of solid/liquid separation with Centrifugal Plant up to more than 150mc/h. ... More Information

26th Annual Microtunneling Short Course Organizers Pay It Forward to U.S. Veterans

26th Annual Microtunneling Short Course Organizers Pay It Forward to U.S. Veterans

A cause near and dear to the hearts of the 26th Annual Microtunneling Short Course organizers is helping the men and women who have served in the United States military successfully return to ... More Information

WTC 2019 information video

WTC 2019 information video

Do you want to find out what will be presented at the World Tunnelling Conference 2019? Do you want to know which topics will be the focus of the AAA sessions? Do you want to see an example of an ... More Information

PPS-Poltinger Precision Systems celebrates twenty years trading with the release of a new generation of Guidance Platform

PPS-Poltinger Precision Systems celebrates twenty years trading with the release of a new generation of Guidance Platform

Just in time for its 20th anniversary PPS has announced the newly developed guidance system platform PPS-UNP (Universal Navigation Platform). The UNP can be used for all types of underground ... More Information

West Gate Tunnel - Massive TBM arrives in Melbourne

West Gate Tunnel - Massive TBM arrives in Melbourne

Bella, the first TBM that will build the West Gate Tunnel, has arrived in Melbourne. The TBM is 90 m long, 15.6 m high and weighs 4,000 t. The hundreds of pieces that make up Bella will be ... More Information

Looking for TBM Fitters and TBM Electricians

Looking for TBM Fitters and TBM Electricians

At present IPS are recruiting TBM Fitters and TBM Electricians for a project in the UK. It will be a long term contract  on this major infrastructure project. Please contact Sam Merrick on ... More Information

The Trans Adriatic Pipeline tunnel

The Trans Adriatic Pipeline tunnel

Overnight a TBM made by Herrenknecht (mod.Avnd2000Ab) started its journey by road toward Melendugno (Le) a tunnelling site in Puglia, Italy. It  will be used to drill the Trans Adriatic ... More Information

Lucknow Metro testing commenced

Lucknow Metro testing commenced

Lucknow Metro Rail Corporation (LMRC) has successfully commenced signalling & integrated testing trials for the whole North-South Corridor (Phase-1A). The integrated testing and trials are for ... More Information

Tunnel and Underground Structures Committee Meeting

Please consider joining us at the Tunnel and Underground Structures Committee during the annual meeting of the Transportation Research Board in Washington DC. The committee will meet on January 15, ... More Information

Underground Construction Prague 2019 - Early registration deadline

The early registration deadline for the Underground Construction Prague will be on the 31st of January 2019. With early registration the attendance fees are less so select your registration fee, pay ... More Information

British Columbia Trenchless Technology Road Show

The Trenchless Technology Road Show heads to western Canada to provide a platform to educate municipal, engineering and contractor personnel on the benefits of trenchless methods. The ... More Information

Gerede Water Transmission Tunnel breakthrough

Gerede Water Transmission Tunnel breakthrough

The Gerede Water Transmission Tunnel in central Turkey has been designated a national priority due to chronic drought conditions in the capital Ankara. The water supply line is 31.6 km long and ... More Information

Breakthrough for Robbins at a 45-degree angle

Breakthrough for Robbins at a 45-degree angle

The new year is off to a great start for Robbins their Double Shield Rockhead, launched in July 2018 has broken through. The TBM broke through on January 1st 2019  after boring the 640m-long ... More Information

Track the Melbourne Metro Tunnel TBMs

Track the Melbourne Metro Tunnel TBMs

Four giant Tunnel Boring Machines (TBMs) are needed to dig the Metro Tunnel. Lowered into the ground at North Melbourne and St Kilda Road in pieces and then assembled, they operate as moving ... More Information

Tunnelling News

The Boring Company Launches Free Tunnel Contest: AI Applications for Smart Infrastructure

According to Sawyer Merritt on Twitter, The Boring Company has announced a contest to build a one-mile tunnel for free, inviting proposals for ... More Information

Out of sight: spectacular HS2 tunnels offer glimmer of hope for stalling project

Despite much soul-searching over UK’s inability to build infrastructure, two sections of HS2 under Chilterns are being hailed for their engineering... More Information

HS2 January 2026 update

We’re making progress building the main infrastructure for the new line. We’ve completed 80% of tunnelling and are working on major bridges, viaducts and embankments, and HS2’s new ... More Information

Implenia Secures EUR 350 Mln Projects For Bridges, Tunnel Works In Germany

Tunnel to join motorway sections and connecting roads. The Swiss construction and real estate company said the Peene Bridge project in Wolgast, ... More Information

Incredible new $7.9bn mega rail and road tunnel to be the world's longest

The safety of our workers is of utmost importance during the construction of the Fehmarn Belt Tunnel. We will await the findings of the ... More Information

TBM launch from Rukanpura soon as metro work gains pace

The tunnel boring machine (TBM) for the underground network is likely to be launched from Rukanpura on Bailey Road, which falls under Corridor I ... More Information

World's largest-diameter boring machine used for Yangtze River railway tunnel

China's domestically developed, world's largest-diameter vertical shaft boring machine 'Qiming' was officially put into operation in Taicang City ... More Information

HCMC approves sea-crossing route with undersea tunnel between Can Gio and Vung Tau

Ho Chi Minh City has approved a strategic proposal by Vingroup to construct a direct sea-crossing road connecting the Can Gio coastal urban area with Vung Tau beach town, cutting travel ... More Information

Changi Airport’s new underground link to take passengers from future T5 to T2 in 4 minutes

SINGAPORE – Passengers at the future Changi Airport Terminal 5 can expect to reach Terminal 2 in four minutes via the airport’s new underground link... More Information

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