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Thessaloniki Metro - Completed

On 05.04.17 the TBM Aktor broke through at Analipsi station after opening the second of the twin 7.8km main shafts which are part of of the Thessaloniki Metropolitan Railway. The breakthrough ... More Information

ISTSS call for paper is open - Submit prior to May 5th

The Call for Papers for the 8th International Symposium on Tunnel Safety and Security (ISTSS 2018) is open. The symposium will be held at the Textile ... More Information

RETC early registration

RETC early registration

Early registration ends May 7 for the Rapid Excavation and Tunneling Conference (RETC), June 4 – 7, 2017 in San Diego. RETC 2017 is heating up in San Diego, California with tunneling ... More Information

Robbins TBM Takes on Eighth Bore for Galerie des Janots Project

Robbins TBM Takes on Eighth Bore for Galerie des Janots Project

A Robbins TBM, recently christened “Augustine”, is being commissioned to undertake its eighth bore after being launched by contractor Eiffage Civil Engineering on March 3. The TBM, ... More Information

Normet to form a joint venture in China

Normet to form a joint venture in China

Normet Group and JCHX Mining Management Co Ltd have signed an agreement to form a joint venture to manufacture and sell underground mining equipment in the Chinese market. The joint venture will ... More Information

The Kuala Lumpur-Singapore HSR

The Kuala Lumpur-Singapore HSR

The Kuala Lumpur-Singapore High Speed Rail (HSR) is a strategic project between the Governments of Malaysia and Singapore that aims to facilitate seamless travel between the two capital cities. The ... More Information

Casablanca Sewer update

Casablanca Sewer update

On 06.02.2017 the Turkish group Makyol completed the excavation of a 5.2km sewer tunnel. The tunnel was driven by a TBM EPB (diameter 6.5 m, lenght 87 m) and is part of the Super West Collector ... More Information

West Gate Tunnel project update

The Joint venture between Cimic a subsidiary of CPB Contractors and John Holland has been named as the preferred contractor for the West Gate Tunnel project in Melbourne, Australia. The joint ... More Information

PPS - Machine Guidance Update

PPS - Machine Guidance Update

PPS is looking forward to make 2017 a year of innovation in the PPS product lines. A new generation of pipejacking and micro-tunneling systems will be introduced and classical PPS guidance systems ... More Information

ITA-COSUF workshop at WTC 2017

New threats like terrorist acts in tunnels and cyber-attacks to control systems could severely influence public life. Within a workshop on “New Security Challenges for Design and ... More Information

Amberg newsletter

To view Amberg technologies latest newsletter please click here.15/17. More Information

Lower Thames Crossing - update

Lower Thames Crossing - update

The preferred route for the new Lower Thames Crossing between Tilbury in Essex and Gravesend in Kent has been announced. The new two-mile road tunnel will create a link between the A2 and the M25 ... More Information

Harriet's final breakthrough at Leimert Park Station

Harriet's final breakthrough at Leimert Park Station

On 06.04.2017 the TBM Harriet arrived at the Leimert Park Station completing the second tunnel of the underground section of the Crenshaw/LAX Line in  Los Angeles. The TBM began its work on ... More Information

ITA AITES video

The ITA video of Tunnelling Works over the world (updated) has been released on youtube please view it here https://www.youtube.com/watch?v=XzY0QuF4gkM&feature=youtu.be .14/17. More Information

STUVA 2017 update and latest newsletter

STUVA-Expo 2017 – multiple communication options for exhibitors available Improving the efficiency of communication for our exhibitors is currently the focus of the organizing team of ... More Information

ATS 2017 Call for Abstracts Extended

The call for Abstracts for 16th Australasian Tunnelling Conference  has been extended to Monday the 10th of April. Submit in one of the following categories:   1. Urban Planning, ... More Information

Metro Tunnel Project – end of geotechnical investigations

The major phase of geotechnical investigations to inform tunnel and station designs for the Metro Tunnel Project is now complete. Over the past two years more than 270 boreholes have been drilled ... More Information

Follo Line - Update

Follo Line - Update

Acciona Construction has completed the first of the 45 galleries connecting the two railway tunnels of the Follo Line project in Norway. These service galleries will be essential for carrying out ... More Information

Muck removal is key!

Muck removal is key!

The Robbins Company holds nearly 90% of world records for TBMs, and behind two thirds of those TBMs are continuous  conveyor systems for rapid muck removal. Whether hard rock or soft ground, ... More Information

RETC

RETC

The Rapid Excavation and Tunnel Conference (RETC) will be held in San Diego, California June 4-7, featuring 100 technical sessions, short courses and more. Covering topics from contracting to ... More Information

Seli Overseas breaks through in Laos

Seli Overseas breaks through in Laos

On March 18th 2017 SELI Overseas completed the 11,4 km long headrace tunnel at the Xe-Pian Xe-Namnoy Hydro Power Plant, in southern Laos, using a 5.84 m diameter Double Shield TBM built by TERRATEC ... More Information

MMRC fabricates first tunnel ring for Metro-3

MMRC fabricates first tunnel ring for Metro-3

On 07.03.2017 Mumbai Metro Rail Corporation (MMRC) fabricated the first tunnel ring for the 33.5 km Colaba-Bandra-SEEPZ Metro-3 corridor project at the Wadala casting yard. About 40,000 segment ... More Information

RETC scholarships available

Are you a college student interested in attending the Rapid Excavation and Tunneling Conference (RETC)? If you answered yes, scholarships are now available through April 12. If you are looking to ... More Information

U5 tunnel - Breakthrough at the Brandenburger Tor station

U5 tunnel - Breakthrough at the Brandenburger Tor station

On the 22.03.2017, Implenia broke through on a section of the U-Bahn in central Berlin having reached the  Brandenburger Tor station from the new U5 tunnel built. The new tunnel connects the ... More Information

Performance Under Pressure: Robbins EPBs

Performance Under Pressure: Robbins EPBs

On April 12, 2017 (Time: 7am PDT / 10am EDT / 2pm GMT ) there will be a complimentary 60-minute webinar, held by Robbins Engineering Manager Brad Grothen and Robbins Chief EPB Engineer Shinichi ... More Information

Call for Abstracts - Workshop on Concrete Spalling due to Fire Exposure

Call for Abstracts - Workshop on Concrete Spalling due to Fire Exposure

We are pleased to send this Call for Abstracts for the 5th International Workshop on Concrete Spalling due to Fire Exposure, 12 - 13 October 2017, in Borås, Sweden. Controlling the ... More Information

Risks associated with alternative fuels in road tunnels and underground garages

Risks associated with alternative fuels in road tunnels and underground garages

In the future, a large number of road vehicles will not be powered by fossil fuels and due to environmental considerations, much current transportation policy development is aimed at increasing ... More Information

Robbins Single Shield to repair a Part of World’s Longest Tunnel

Robbins Single Shield to repair a Part of World’s Longest Tunnel

Specialized TBM will work below the Hudson River on the Delaware Aqueduct.  Robbins has completed the manufacture and testing of a unique tunnel boring machine that will be used to repair the ... More Information

Chenani- Nashri tunnel will open in March 2017

Chenani- Nashri tunnel will open in March 2017

IL&FS Transportation Networks Ltd has completed the construction of the longest tunnel in the South East Asian Region the Chenani to Nashri section of NH - 1A. The project had been awarded ... More Information

Regional Connector in LA update

Metro has signed a contract with Regional Connector Constructors JV (Regional Connector Constructors) led by Skanska USA Civil West California District Inc. (Skanska), in partnership with Traylor ... More Information

WTC 2017!

WTC 2017!

The Norwegian Tunnelling Society (NFF) wants to welcome you to the World Tunnelling Congress and the ITA – AITES General Assembly which will be in Bergen, Norway from June 9th to June 15th ... More Information

Metro de Quito TBM works start

On 24.02.2017 the TBM named La Guaragua, the first of three machines involved in the Metro de Quito project, started tunnelling works. The machine, arrived in Guayaquil on the 13.11.2016 and will ... More Information

IAT introduces its latest creation

IAT Solution is pleased to introduce to the market our latest creation: IAT Data Acquisition & Visualization System. Designed and developed by some of the most experienced engineers in the ... More Information

TERRATEC MTBM systems excel in Bangkok

TERRATEC MTBM systems excel in Bangkok

TERRATEC Microtunnelling Systems and speciality Field Services aid swift progress on major utility tunnel projects in Bangkok, Thailand. In February 2017, TERRATEC Micro Tunnel Boring Machines ... More Information

Copenhagen Cityringen Metro Update

Copenhagen Cityringen Metro Update

The final breakthrough of the last TBM for the Copenhagen Cityringen Metro happened on the 13th of February 2017. TBM2 Tria reached the Copenhagen Central station, KH- Københavns ... More Information

Ceremony held for launch of first of 6 CREG TBMs in Israel

Ceremony held for launch of first of 6 CREG TBMs in Israel

On the 20th February 2017, a ceremony for the launching of the first CREG TBM to start work was held in Tel Aviv in Israel. There were more than 300 guests including Israel’s minister of ... 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