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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

New Rail Access to Terminal T1 Barcelona-El Prat airport completed

New Rail Access to Terminal T1 Barcelona-El Prat airport completed

On the 19.12.2018 the largest TBM currently working in Spain ended the excavation of the 3048 m tunnel of the new railway to Terminal T1 of the Barcelona-El Prat airport. The first phase of the ... More Information

Ott GmbH & Co KG acquired by Datwyler Sealing Solutions Germany GmbH & Co KG

Ott GmbH & Co KG acquired by Datwyler Sealing Solutions Germany GmbH & Co KG

Press release - As of the 21st  December 2018, the Germany-based company Ott GmbH & Co KG, acquired by Datwyler Holding Inc. in September 2016, officially changed its name to Datwyler ... More Information

Microtunneling Short Course 2019

For more than 25 years, the Microtunneling Short Course has trained over 3,500 professionals, ranging from contractors and engineers to owner agency representatives. The three-day intensive course ... More Information

MineARC - Emergency Communication Systems in Tunnelling

MineARC - Emergency Communication Systems in Tunnelling

Good communication systems are fundamental to all aspects of a tunnelling project, including risk management and emergency response. Emergency communication systems in tunnelling are used to ... More Information

A record number of responses for Thames Crossing consultation

The Lower Thames Crossing online consultation, which closed on the 20.12.2018, has seen over 26,000 replies. The consultation is arguably the most significant that has ever been held into a UK ... More Information

TERRATEC EPBMs prepped for new Istanbul metro line

TERRATEC EPBMs prepped for new Istanbul metro line

The Gulermak, Nurol & Makyol joint venture conduct TBM testing on-site for the new Ümraniye Ataşehir-Göztepe Metro line, the latest addition to Istanbul’s transportation ... More Information

Tunnelling News

New game-changing tunnel boring, reef cutting 'meeting and beating' all expectations

UG2 reef at Bokoni is the target of the twin mobile tunnel boring and narrow reef cutter. Tunnelling will be done with the mobile tunnel borer for ... More Information

Mota-Engil CEO confirms winning bid for Santos-Guaruja tunnel

The company's subsidiary, Mota-Engil, has won the tender for the construction and operation of Brazil's first underwater tunnel, connecting the ... More Information

Metro Vancouver Utility Nearing Finish of $288M Annacis Water Tunnel

“Resilience is at the heart of this project,” said Nedim Alca, COWI's North America market director. “What makes this milestone so significant is not ... More Information

Fehmarnbelt: Danish tunnel portal nears completion

The work on the entrance to the Fehmarnbelt tunnel at Rødbyhavn on Lolland is almost complete. photo courtesy of The Fehmarnbelt Project. More Information

Final decision on airport tunnel 'now or never'

Alderman Jim Stevenson and City administrators are making a dramatic last push for the airport tunnel before construction on the new north/south ... More Information

Athens Metro Line 4 works to finish by 2029

The construction of Athens Metro Line 4 is progressing steadily, with the entire project ... Tunnel mistakenly excavated in Athens metro project. More Information

First trains on track to run through Metro Tunnel within three months

Melbourne's $15.5 billion Metro Tunnel could be switched on in as little as three months as construction wraps up at two CBD stations and trains ... More Information

Petersburg crews to begin tunnel project in response to ongoing flooding, damage - WRIC

As ongoing water issues have caused significant damage to infrastructure around Petersburg, the Old Towne neighborhood ... More Information

Intelligent optimization framework for tunnel construction

Tunnel construction forms the foundation of railway development and is essential for ensuring route continuity and operational efficiency. However, ... More Information

São Paulo positions TBM for next phase of Line 2-Green

A major milestone was reached on Monday (1 September) with the lowering of the cutter head of the tunnel boring machine (TBM) Cora Coralina... More Information

The 700-ton machine that'll dig NYC's Second Avenue subway extension

NYC has a new tunnel boring machine in its toolbox for the expansion of the line under 2nd ave. If you've never seen some BIG earth moving machines, ... More Information

Light at the end of the tunnel showing for Mount Washington transit project

The project is expected to be completed in October. New tracks finally emerge from the Mount Washington Transit Tunnel as a part of Pittsburgh ... More Information

Davao City Bypass South Tunnel hits breakthrough towards improved connectivity

The Construction Project with the ceremonial breakthrough of the southbound tunnel, marking the complete excavation from opposite ends of the ... More Information

Which companies are bidding for the US$2.3bn highway and tunnel contracts in Brazil?

The project in Brazil, as it will be the country's first underwater tunnel,” the person added. The project involves construction of a 1.5km tunnel ... More Information

US Northeast Rail Corridor Gets a Major Makeover with Tunnel and Bridge Replacements

This project is designed to replace tunnels severely damaged by Superstorm Sandy, ensuring smoother and more reliable service for Amtrak, NJ Transit, ... More Information

DPWH, JICA celebrate breakthrough of Southbound Tunnel in Davao Bypass

The event marked the successful connection of the tunnel's north and south ends. The ... More Information

Jacobs joins Ramboll on Marselis road tunnel project in Denmark

Danish Road Directorate senior project manager Michael Schmidt Vosgerau said: “It is a complex task to build a tunnel on one of the busiest access ... More Information

Planning continues for Midway Tunnel, Safe Streets for All projects

The Midway Tunnel project is a $13.4 million plan ... construction of a new overpass bridge and pedestrian and bicycle walkway above the tunnel. More Information

Four million tons of clay moved in HS2 excavation

Construction on HS2's second-longest tunnel started in October 2022. The rotating cutters cut away clay and other material at a rate of about 50ft ... More Information

Jacobs Has Design-CM Role on $640M Denmark Tunnel, With Ramboll as Key Consultant

Set to begin construction in 2028, Marselis Tunnel project is core component of the country's 10-year Infrastructure Plan 2035. By Emell D. Adolphus. More Information

Elon Musk's $760,000,000 plan to build underground tunnels beneath Houston, Texas

Elon Musk's next big construction plan from The Boring Company could build $760000 worth of tunnels beneath Houston to help with flooding... More Information

Kerala Moves Closer To Vizhinjam–Balaramapuram Tunnel Rail Project

The Kerala government is preparing to invite bids next month for the tunnel rail project linking Vizhinjam International Seaport with ... More Information

Norway's Ship Tunnel Project Under Threat as Costs Rise

New cost estimates suggest the ambitious project will far exceed its approved budget, raising questions about whether it will ever be built. More Information

Davao City Bypass southbound tunnel nears breakthrough

The Department of Public Works and Highways (DPWH) announced that the southbound tunnel of the Davao City Bypass Construction Project (DCBCP) is ... More Information

CA should pursue better alternatives to the costly Delta Tunnel Project Stocktonia

Governor Gavin Newsom is attempting to fast-track the construction of a massive, budget-busting water tunnel through the Delta to ship freshwater to ... More Information

Physical Origins of Shear Strength Fluctuations in Fault Gouges

Fault gouge is rock texture within fault zones that may include rock fragments (RF) and foliated structures. Previous studies have primarily focused on remould soils, the natural structure ... More Information

Webuild expands its role in high-speed rail projects

Four modern tunnel boring machines will be deployed to ensure precision and safety in complex geological conditions. Once completed, the old single- ... More Information

Hudson Tunnel Project advances as tunnel boring machines near completion

The Hudson Tunnel Project hit a key milestone as massive tunnel boring machines near completion, with delivery set for November. More Information

Nagdhunga tunnel in final stages of construction

If we look at the history of road construction and development in Nepal, there are various records of road construction starting from the Rana period. According to articles published in ... More Information

Boring of tunnel across Yellow River completed in China's Shandong

Constructed by using a "Shanhe" shield machine with a 17.5-meter excavation diameter, this double-deck, two-way, six-lane tunnel stands as the world's ... More Information

The £1.6bn plan for world's deepest underwater road tunnel leaving 'no room for error'

Opening of Rogfast tunnel under construction. The Rogfast tunnel will be the longest and deepest undersea road tunnel on Earth. (Image: SKANSA). A ... More Information

Tunnelling complete on NSW's Coffs Harbour bypass project

Tunnelling has been completed on the A$2.2bn (£1.1bn) Coffs Harbour bypass project in New South Wales, Australia, with the excavation of the third ... More Information

Veidekke acquires tunnel construction contract for Gothenburg's West Link Project

Veidekke has received a contract from the Swedish Transport Administration to build the Stora Hamnkanalen tunnel, a component of the West Link ... More Information

German Rail completes construction of Rastatt Tunnel

GERMAN Rail (DB) has completed civil works on the new 4270m twin-bore Rastatt Tunnel, a major component of the project to widen to four tracks the ... More Information

Final contracts signed for Eastern Freeway transformation

A huge amount of work is underway to build North East Link and upgrade the freeways – two tunnel boring machines are digging deep under Rosanna ... More Information

Progress on Sydney pipeline duplication

Bouygues Construction Australia and Rob Carr have launched a tunnel boring machine (TBM) on Sydney Water's Thornleigh pipeline duplication ... More Information

The latest plan to connect BART to downtown San Jose: One tunnel rather than two

When BART and Santa Clara Valley Transportation Authority first discussed plans to send trains rolling under downtown San Jose, transit officials contemplated a design with two tunnels ... More Information

Nashville Tesla tunnel: Here's when construction could start on the Music City Loop

Elon Musk's The Boring Company is currently in the design phase of constructing a tunnel connecting downtown Nashville to the Nashville ... More Information

World's longest underwater 'mega tunnel' to cost $46 billion but will halve 21-hour drive

Oddvar Kaarmo, the Rogfast project manager, cited additional motivation for the tunnel's construction: "The port at Mortavika is quite exposed and ... More Information