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EU special infrastructures report: more speed needed in megaproject implementation

The ECA (European Court of Auditors) audited the Commission’s management of the following 8 cross-border transport megaprojects in thirteen Member States: 1) Rail Baltica: a rail line ... More Information

Feedback for Sydney Metro West EIS

The Sydney Metro West EIS (Environmental Impact Statement) went on exhibition 30th April and the community has until 26/06/2020 to provide feedback. This is one of three EISs for the project ... More Information

Final Koralm tunnel breakthrough

On June 17th 20202 the final breakthrough in the north tube of the Koralm tunnel took place. Since 2014, tunnellers have dug through the mountain from Carinthian Lavanttal with the TBM Kora. After ... More Information

Warsaw metro Line 2 update

On the 12/06/2020 TBM Maria broke through at the C20 Kondratowicza station. The TBM completed the first part of the right tunnel on the north-east section of metro Line 2 in Warsaw. The ... More Information

Tideway Sewer updates

Tideway is building a new 25km super sewer, deep beneath the Thames, where around two million tonnes of sewage overflowing from the pumping station and into the River every year, will be ... More Information

New images of 1ST Chiltern tunnels launch site

The excavation of the TBMs launch site and the construction of the concrete precast plant for the Chiltern tunnels on the London to Birmingham high speed rail line, HS2 First Phase project has now ... More Information

Zitron carries out successful test of axial fan

On the 04/06/2020 Zitron successfully carried out the most challenging high temperature test to date on a tunnel axial fan: 600 ºC for 120 minutes. These fans will be installed at the ... More Information

Successful passage of TBM Gaia under the Rhine-Schie canal

On the 16th of June comol5 celebrated a major milestone by successfully drilling under the Rhine-Schie Canal for the second time. It was the most difficult and exciting part of the drilling ... More Information

Green light from Michigan Court of Appeals for the Great Lakes oil pipeline tunnel

On the 11/06/2020 the Michigan Court of Appeals ruled that legislators did not violate the state constitution by allowing construction of an oil pipeline tunnel beneath a channel linking two ... More Information

Geofluid 2021

Piacenza Expo has decided to postpone the GEOFLUID exposition until 2021. The new date for your diaries will be the 15th to the 18th of September 2021 at the exhibition centre ... More Information

A1 Santa Lucia tunnel breakthrough

On the 08/06/2020 the TBM EPB S-900 Herrenknecht (diameter 15.87 m) completed the excavation of the 7551 m Santa Lucia tunnel on Barberino di Mugello - Calenzano section, A1 Motorway in Italy. ... More Information

Prior Information Notice for the Sucre III Water Conveyance System

ELAPAS (Empresa Local de Agua Potable y Alcantarillado Sanitario) from the city of Sucre, Bolivia, has published the Prior Information Notice for the Sucre III Water Conveyance System (Lot ... More Information

WTC 2021 - deadline for abstracts extended

ITA-AITES and the Danish Society for Tunnels and Underground Works (DFTU) call for abstracts for the World Tunnel Congress 2021 in Copenhagen 16-19 May 2021 has been extended to the 16 June 2020. ... More Information

The Big 5 in Dubai postponed

The Big 5, the annual trade event connecting the global construction community in Dubai, is moving dates from 23-26 November 2020 and will be held next on 12-15 September 2021, at the Dubai World ... More Information

A Virtual visit to the Robbins booth at NAT

Don't forget to stop by the Robbins booth at the North American Tunnelling (NAT) virtual trade show, where you can view a curated selection of Robbins latest news, white papers, videos and ... More Information

NAT week is almost here!

Are you ready for the North American Tunnelling (NAT) Virtual Conference? Register and get a week full of informative talks on intriguing topics from June 8-12. Visit ... More Information

The ITA tunnelling awards 2020

The call for entries has been extended until the 23rd June 2020 for the 6th edition of the international tunnelling and underground space awards. The ITA Awards will take place at the ... More Information

First two tenders for the Ontario Line

Infrastructure Ontario (IO) and Metrolinx have issued two Requests for Qualifications (RFQs) for the Ontario Line project. The Ontario Line is a 15.5-km stand-alone rapid transit line that ... More Information

TBMs for Bangalore Metro Line-4

On 28/05/20 Larsen & Toubro began lowering parts of TBM DZ669 (named Avni) and DZ671 (named Vindhya) into the Shivajinagar and Cantonment stations, respectively, for driving tunnels on the ... More Information

Balfour Beatty joint venture awarded HK$7.2 billion (c. £760 million) major tunnel project at Hong Kong International Airport

Balfour Beatty today announces that its 50:50 joint venture, Gammon Construction, has been awarded a HK$7.2 billion (c. £760 million) contract to deliver tunnels and associated works for an ... More Information

Greenlight for E6 Ranheim-Vaernes highway

Acciona and Nye Veier, the Norwegian state highway authority, have reached an agreement to proceed to the next stage of the design and construction of the E6 Ranheim-Værnes highway. Work is ... More Information

Deutsche Bahn milestone in Stuttgart.

On the 06/05/2020 Deutsche Bahn reached another important milestone as part of the Stuttgart 21 project, by breaking through the east tube of the 9.5-km-long Filder tunnel: the last of four tunnels ... More Information

TERRATEC EPBMs achieving good progress on Istanbul Metro

A number of TERRATEC Earth Pressure Balance TBMs are achieving great progress rates on new lines for Istanbul’s ongoing metro expansion despite the Covid-19 outbreak. TERRATEC is pleased to ... More Information

Penetron Crystalline Technology for new tunnel

The Penetron Italy team were approached to provide a waterproofing solution for an underground pedestrian tunnel, elevator shafts, and different concrete structures for the new San Martino ... More Information

EUROCK 2020 Postponed

The 2020 ISRM International Symposium will be held on 12-14 October 2020. The event will take place at the same venue in Trondheim, Norway. All associated ISRM meetings will also be moved to new ... More Information

Alice and Millie Tunnelling East

Metro tunnel in Australia have reached another major milestone, with tunnel boring machines (TBM) Millie and Alice now both on their way to South Yarra. The green TBM Alice, named after wartime ... More Information

Metro Line 2 in Warsaw - update

There are four TBMs Krystyna and Elisabetta, Maria and Anna that are being used to tunnel the central Targowek and Wola sections of the Warsaw metro line 2. TBMs Krystyna and Elisabetta will now ... More Information

First stone laid for SS 106 Ionian Highway

On the 19/05/20 in Francavilla Marittima in Cosenza province, the first stone was laid for the Mega Lot 3 of the SS 106 Ionian Highway. The EUR980 million project, was commissioned by state road ... More Information

STRATA LAUNCHES NEWLY DESIGNED EMERGENCY REFUGE CHAMBER (ERC)

Strata Worldwide is excited to announce the global launch of its next generation emergency refuge chamber; the Strata ERCX. The Strata ERCX is a steel-sided, walk-in refuge chamber for use ... More Information

Brighter, lighter conditions for George Massey Tunnel

Work is underway to improve brightness and visibility in the George Massey Tunnel. Claire Trevena, Canadian Minister of Transportation and Infrastructure, said the government continues to move ahead ... More Information

Press release - Swiss Tunnel Congress (STC) 2020 – Webinar

This year’s Swiss Tunnel Congress will be taking place in the form of a webinar due to the current worldwide pandemic (COVID-19). A video of the recorded congress will be published on the ... More Information

Normet Launch New Range of High Performance TBM Tail Sealants

The next generation of high performance, eco-friendly tail sealants for shielded tunnel boring machines have been introduced into the Normet TBM product range. The new range of ... More Information

Name chosen for NZ City Rail Links TBM

The winning name for City Rail Link’s TBM is Dame Whina Cooper. City Rail Link’s TBM will share the name of Dame Whina Cooper, a woman who spent most of an illustrious life leading the ... More Information

Tunnelling re-starts on super sewer as Tideway sets out comprehensive safety plan

London’s biggest infrastructure project has re-started tunnelling work on the super sewer urgently needed to clean up the River Thames. Tideway, the company building the 25km super sewer ... More Information

Second RijnlandRoute tunnel update

TBM Gaia has started drilling the second 2.25km RijnlandRoute tunnel in the Netherlands. After Gaia was blessed on 07/05/2020, tunnelling began, the route will pass under the Vliet, the ... More Information

Crosstown Tunnel Progress

The Eglinton Crosstown light rail transit project has seen plenty of progress! Recently, the project reached an important milestone. As part of a testing and commissioning phase, a light rail ... More Information

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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

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