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Breakthrough for Italy’s Selva Piana tunnel

Breakthrough for Italy’s Selva Piana tunnel

On the 29th September there was a break through for Cossi part of the Condotte Group for the Selva Piana tunnel. The Selva Piana tunnel is part of the Morbegno bypass section from Cosio to Tartano ... More Information

Kharkiv Metro Extension Project

The Government of Ukraine has applied for loan financing from the European Bank for Reconstruction and Development (EBRD) and European Investment Bank (EIB) for the Kharkiv Metro Extension Project. ... More Information

Tideway team puts the inclusive in construction wear

Tideway team puts the inclusive in construction wear

A Muslim woman working on London’s ‘super sewer’ has helped design two innovative items of protective clothing (PPE) for women on construction sites who observe the hijab and the ... More Information

Thames Tideway

Watch the time lapse video of the Thames Tideway project delivery update - https://twitter.com/TidewayLondon/status/905361148773625856 for further information follow them on twitter ... More Information

TELT - Update

In Saint Martin La Porte the South tube heading in an Easterly direction has been excavated using traditional methods and has reached 10km. at the front the coal formation are mostly composed of ... More Information

Looking to learn more about the latest advances in tunnelling technology?

This year’s Cutting Edge promises to deliver. Featuring a tailored high-end single-track program of subject-specific presentations that focus on innovation and practical experience, the ... More Information

The ITA Tunnelling Awards 2017

In the “Major project of the year over €500m” category there are 4 finalists under transportation. On November 13-16 2017 ITA will see leading international specialists in the ... More Information

LOVSUNS produces 8 new EPB - TBMs

LOVSUNS produces 8 new EPB - TBMs

Eight new LOVSUNS EPB-TBMs for Metro Tunnels in Istanbul. There is a huge demand on TBM Tunnelling in Turkey. Istanbul is one of the most vibrant Metropol Citys of the world, connecting the ... More Information

GRAND PARIS EXPRESS the 500th project for CBE Group

GRAND PARIS EXPRESS the 500th project for CBE Group

In its 30th anniversary year CBE Group a French company signed a contract for its 500th project. The project is to support GIE ALLIANCE  with the building of line 15, South of the Parisian ... More Information

Advances in Tunneling Technology

Advances in Tunneling Technology

Featuring a tailored high-end single-track program of subject-specific presentations that focus on innovation and practical experience, the sixth annual conference will continue the ... More Information

Robbins Slurry TBM ramps up for Mumbai Metro Line 3

Robbins Slurry TBM ramps up for Mumbai Metro Line 3

First of Two Mixed Ground Machines will begin boring this autumn. The first of two Slurry TBMs, a rebuilt 6.65 m (21.8 ft) diameter machine, passed its factory acceptance on September 4, 2017 ... More Information

The new co-extrusion system ALGAHER

The new co-extrusion system ALGAHER

Thanks to the effort made by ALGAHER’s Technical Team as well as the high implication of their suppliers, ALGAHER has developed a hydrophilic material to give a response to the growing needs of the market regarding to TUNNEL SEGMENT GASKETS. More Information

STUVA - Conference 2017 - registration in full swing / Conference program available

STUVA - Conference 2017 - registration in full swing / Conference program available

The registration to the STUVA- Conference, that will be held in Stuttgart, Germany from the 6th  to the 8th of  December 2017,  is in full swing and is available online. Use this ... More Information

Mumbai - Ahmedabad High Speed Rail (MAHSR)

On 11.09.2017  a ceremony was held for the start works for First High Speed Train Project (popularly referred to as the Bullet Train) between Mumbai and Ahmedabad. The actual works will ... More Information

Mumbai Metro Line 3

Mumbai Metro Line 3

On 04.09.2017 a 6.65-m diameter NFM Slurry TBM rebuilt by Robbins for the Mumbai Metro Line 3 project  passed the FAT (factory acceptance testing) in Singapore. The slurry TBM will be ... More Information

Shortlist for the 2017 NatWest Great British Entrepreneur Awards Announced

Shortlist for the 2017 NatWest Great British Entrepreneur Awards Announced

It has just been announced that Cardiff based tunneljobs Ltd CEO Samantha Heard – Evans has been shortlisted for the 2017 NatWest Great British Entrepreneur Awards in the #GoDo  ... More Information

Waterview tunnel opened to traffic

The 5km long Waterview Connection, which connects Auckland’s Northwestern (SH16) and Southwestern (SH20) Motorways, opened to traffic on 02.07.2017. Data shows there was a 20 minute time ... More Information

Castel Romano tunnel update

Castel Romano tunnel update

On 31.08.2017 the joint venture between Collini Lavori Spa (Trento), Costruzioni Casarotto Srl (Villa Agnedo, TN), Misconel Srl (Cavalese, TN) and Ediltione Spa (Tione, TN) broke through on the 1 km ... More Information

Final piece of the TBM Bertha removed from tunnel

Final piece of the TBM Bertha removed from tunnel

On the 04.04.2017  the TBM Bertha completed its tunnelling and on the 23.08.2017,crews lifted the final pieces of the 8,000-ton  out of the SR 99 tunnel’s disassembly pit near ... More Information

Purple Line Extension TBM art and naming contest announced

The Metro (Metropolitan Transportation Authority) in Los Angeles, is inviting students from kindergarten through to 12th grade to participate in an art and naming contest for the two TBMs that will ... More Information

Second and last extension of abstracts submission deadline for WTC 2018

Second and last extension of abstracts submission deadline for WTC 2018

It's a great pleasure to announce the second and last extension of the deadline for abstract submission to the ITA - AITES World Tunnel Congress 2018 that will take place in Dubai from 20 - 26 April ... More Information

CREG wins 15.8m slurry TBM contract

CREG wins 15.8m slurry TBM contract

On the 29th August 2017, CREG was awarded a new contract for the supply of a 15.8m slurry TBM. This TBM will be used for the Chunfeng tunnel project in Shenzhen and it will be the biggest slurry TBM ... More Information

TunnelTech 2017: Breaking ground in new technologies

TunnelTech 2017: Breaking ground in new technologies

TunnelTech 2017: Breaking ground in new technologies   26–27 September 2017 One Birdcage Walk, London   With an increase in tunnelling project investment and more tunnels having ... More Information

Five 2018 - Call for Papers

Manuscript abstracts for the 5th International conference on Fires in vehicles to be held in Boras (Sweden) from 3 to 4 October 2018 have to be submitted to the Secretariat by email to five@ri.se by ... More Information

2017 tunnelling awards shortlist announced

Tunnelling awards 2017  are delighted to announce the shortlist for the 2017 Tunnelling Awards. They would like to thank everyone who took the time to enter this year, and congratulate ... More Information

TERRATEC marks continued growth in the Turkish market

TERRATEC marks continued growth in the Turkish market

Terratec, the Australian-based TBM manufacturer, has secured an order to supply 4 new 6.56m diameter TBMs EPB for Istanbul’s Umraniye-Atasehir-Goztepe Metro Line from the Turkish tunnelling JV ... More Information

SpaceX´s Hyperloop Pod Speed Competition Winner - WARR Hyperloop 

SpaceX´s Hyperloop Pod Speed Competition Winner - WARR Hyperloop 

WARR Hyperloop team, which was put together by the Technical university of Munich from Germany, has won the SpaceX Hyperloop Pod competition on Sunday, with their prototype pod reaching a speed of ... More Information

Underground Solutions Seminar

Underground Solutions Seminar

A one-day only Bekaert Maccaferri Underground Solutions Seminar will take place at the Institution of Mechanical Engineers, Birdcage Walk, London on the 13.09.2017. Items on the agenda are: ... More Information

Algeria - Breakthrough in tunnel RT3030

Algeria - Breakthrough in tunnel RT3030

The Italian company Cipa SpA (Sorrento, NA) have been building two tunnels RT3010 (1120m) and RT3030 (660m) for the new railway line (185km) Relizane - Tiaret - Tissemsilt (RTT) in Algeria. On ... More Information

Reducing risk: How to manage the unknown in tbm tunneling

Reducing risk: How to manage the unknown in tbm tunneling

How can you better prepare for unknown challenges in your tunneling operation while keeping the excavation process as efficient as possible?   In this complimentary 60-minute webinar from ... More Information

BASF Technologies - TBM 

BASF Technologies - TBM 

Highly efficient products optimize TBM performance The MasterRoc product range offers a single source of solutions for shielded TBM (tunnel boring machine) excavation in soft ground and hard rock, ... More Information

Gleinalm Tunnel opened to traffic

Gleinalm Tunnel opened to traffic

On 21.07.2017, after a 3 years and 10 months of construction, the second tube of the Gleinalm tunnel in Styria, Austria has been opened to traffic. The joint venture of Wayss & Freytag ... More Information

TunnelTurkey 2017 - call for papers

The International Tunneling Symposium in Turkey has issued a call for papers which are due in by the 11th  September 2017. Tunnel Turkey 2017 will be taking place at the Wyndham Grand İstanbul ... More Information

What’s in a Name? Mixshield, Crossover, Hybrid and More

Posted by Doug Harding | Aug 01, 2017 | Redefining the Industry For underground construction professionals and manufacturers, there is some confusion about the current TBM designations and ... More Information

Cregs new Hard Rock Gripper TBM unveiled

Cregs new Hard Rock Gripper TBM unveiled

On August 1st, a 9.03 m hard rock TBM named ‘‘Caiyun’’ was unveiled in spring city Kunming. This big machine was designed and manufactured by CREG, and has been integrated ... More Information

New tunnel solutions from JOHNSON CONTROLS

New tunnel solutions from JOHNSON CONTROLS

Johnson Controls, a global leader in building technologies, is pleased to announce the newest addition to its TYCO line of special application sprinklers with the launch of the MODEL ... 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