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Construction of the Lubuk Linggau-Curup-Bengkulu Toll Road

The Indonesian government continues to improve connectivity between the centres of economic growth on the island of Sumatra. Besides the construction and maintenance of national arterial roads, ... More Information

Doha residents welcome new metro connections

Doha residents welcome new metro connections

A remarkable addition to the city’s public transport infrastructure, the first part of Doha Metro’s Red Line, started its service for the public on May 8th running from Al Qassar in ... More Information

The only way is down - International NGO and industry take on the challenge

The ITA Committee on Underground Space (ITACUS) has launched a new initiative to tackle the challenge of food security the world is facing. As part of their Next Level Program they have joined ... More Information

Press release from the ITA

THE WORLD TUNNEL CONGRESS 2019 SHOWCASES THE POTENTIAL OF UNDERGROUND INFRASTRUCTURES The World Tunnel Congress and the 45th ITA General Assembly, organized by the International Tunnelling and ... More Information

MineARC releases step by step operator training video

MineARC releases step by step operator training video

The video shows you how to use a MineARC Refuge Chamber with an ELV/ELVP Scrubbing System.  The video is a step-by-step guide on how to operate a refuge chamber with an Extra Low Voltage ... More Information

ATS Tunnel Design and Construction Short Course – Perth, 16th – 18th June 2019

ATS Tunnel Design and Construction Short Course – Perth, 16th – 18th June 2019

This two and a half day interactive course program features a series of technical presentations and project visit. The course aim is to take the delegates through common components of a project ... More Information

The ITA tunnelling awards 2019 - Call for entries

The ITA tunnelling awards 2019 - Call for entries

This 5th edition of the ITA Tunnelling Awards is organised by the International Tunnelling and Underground Space Association, and will take place from the 18th to the 20th of November 2019 , in ... More Information

Penetron Italia - ReSHEALience

Penetron Italia - ReSHEALience

Penetron Italia, which was a Silver Sponsor at the recent world tunnelling congress in Naples is now, an industrial partner of the European project ReSHEALience.  ReSHEALience is ... More Information

ITA-AITES – announcement

ITA-AITES – announcement

The 48th General Assembly of ITA-AITES & World Tunnel Congress in 2022 will be held in Cancun, Mexico. For further information please visit https://about.ita-aites.org/news More Information

RETC 2019 - The USA’s Leading Tunneling Conference

RETC 2019 - The USA’s Leading Tunneling Conference

For over 20 years, RETC has proven to be the leading conference for tunneling innovation. Discover why RETC is like no other tunneling conference you've attended before.  Every two years, ... More Information

Sydney Metro celebrates its first tunnelling breakthrough

Work on the Sydney Metro City and Southwest project in Australia has reached a key milestone with its first tunnel boring machine (TBM) breakthrough. A TBM named Nancy – one of five working on ... More Information

Forrestfield-Airport Link project updates

Forrestfield-Airport Link project updates

On the 9th of May 2019 the TBM Grace broke through at Redcliffe Station (click here for the video), after tunnelling 4.6km and building more than 2700 rings since starting her underground journey ... More Information

FIDIC teams up with the International Tunnelling and Underground Space Association to launch new tunnelling and underground works contract

 International engineering federation FIDIC (the International Federation of Consulting Engineers) and ITA-AITES (the International Tunnelling and Underground Space Association) have teamed up to ... More Information

Underground Construction Prague 2019

You can now register for the 14th International Conference entitled “Underground Construction Prague 2019”, which will be held in  the Czech Republic, from June 3rd – 5th , ... More Information

Robbins TBM overcomes Multiple Caverns to Make Breakthrough

Robbins TBM overcomes Multiple Caverns to Make Breakthrough

Galerie des Janots Main Beam completes Arduous French Drive - In April 2019, a Robbins 3.5 m (11.5 ft) diameter Main Beam TBM broke through into open space, completing its 2.8 km (1.7 mi) long ... More Information

MAPEI: PLATINUM SPONSOR OF THE WORLD TUNNEL CONGRESS 2019

MAPEI: PLATINUM SPONSOR OF THE WORLD TUNNEL CONGRESS 2019

Mapei is Platinum Sponsor at WTC 2019, the Annual Congress dedicated to Tunnelling and Underground Construction, which this year will be held in Naples at the Mostra d’Oltremare exhibition and ... More Information

TERRATEC secures contract for Pune Metro TBMs

TERRATEC secures contract for Pune Metro TBMs

TERRATEC Tunnel Boring Machines (TBMs) are proving their worth in India with another contract secured for the underground works on Line 1 of the Pune Metro. Having delivered 22 TBMs to India ... More Information

COWI achieves Silver at Mind’s Workplace Wellbeing Awards

COWI achieves Silver at Mind’s Workplace Wellbeing Awards

COWI was recognised at an awards ceremony for their commitment to workplace wellbeing on Tuesday 30 April. Mind’s Workplace Wellbeing Index is a benchmark of best policy and practice, ... More Information

A new tunnel for the LEB between Prilly and Lausanne

A new tunnel for the LEB between Prilly and Lausanne

The Lausanne Echallens Bercher Railway (LEB) provides an essential link between the Gros-de-Vaud and the Lausanne urban area. The construction of a new tunnel between Union-Prilly and ... More Information

Forrestfield’s TBMs are running again

Both Forrestfield TBMs are now up and running again and on their way to Redcliffe Station, where they are expected to break through in the coming months. While at Redcliffe the TBMs Grace and ... More Information

Study into impact of TELT commissioned

France is firmly committed to the new Lyon-Turin line project, which should contribute to the shift from road to rail for freight traffic crossing the Franco-Italian Alps and thus reduce the ... More Information

TBM Stella Rose launched for Sirius Minerals’

TBM Stella Rose launched for Sirius Minerals’

The 1,800-t TBM Stella Rose, the first to be used to construct Sirius Minerals’ transportation tunnel from Teesside to Whitby, was officially launched on the 12.04.2019 at a ceremony in ... More Information

Blue Line extension begins in Stockholm

Construction of the largest expansion in Stockholm public transport since the Blue Line was built in the 70s began with a ceremonial starting blast in a rock cavern in Barkarby.  The ... More Information

Cotti & Marchi welcome to tunnelbuilder!

Cotti & Marchi welcome to tunnelbuilder!

For over 30 years Cotti & Marchi have been manufacturing products for construction and tunnelling companies worldwide. They have developed solutions that adapt to the needs of large tunnelling ... More Information

WTC 2019 & the 45th ITA General Assembly

WTC 2019 & the 45th ITA General Assembly

It’s just one month to go before the beginning of the annual international congress for the engineering sector dedicated to underground construction! The World Tunnel Congress and ITA 45th ... More Information

ISTSS 2020 - Call for papers and posters

The Call for Papers for the 9th International Symposium on Tunnel Safety and Security (ISTSS 2019) is open. The symposium will be held in Munich, Germany, 11-13 March 2020. This event will bring ... More Information

Save-the-Date: 2019 Breakthroughs in Tunneling Short Course

The Breakthroughs in Tunneling Short Course, the longest-running and most-attended course of its kind, marks its 12th year in 2019. The 2019 course returns to the University of Denver in Denver, CO, ... More Information

Pre-Construction works started on Delhi-Gurugram-SNB RRTS corridor

At the beginning of April NCRTC -  a joint venture between the Government of India (50%) and State Governments of Haryana (12.5%), NCT Delhi (12.5%), Uttar Pradesh (12.5%) and Rajasthan ... More Information

CIFA at BAUMA - Press Release

CIFA at BAUMA - Press Release

CIFA SHOWCASES THE HYBRID TECHNOLOGY OF THE FUTURE AT BAUMA.   The company patented its first hybrid concrete mixer in 2013, confirming its pole position in hybrid technology. At Bauma 2019 it ... More Information

TERRATEC TBMs delivering results in Thailand

TERRATEC TBMs delivering results in Thailand

With seven TBMs currently at work on major underground projects in Thailand, TERRATEC marks its latest milestone on Bangkok’s Orange Line metro project. Having delivered seven TBMs to Thai ... More Information

Tunnelling works begin for DTSS Phase 2

On  the 04.04.209 PUB, Singapore’s national water agency celebrated the launch ceremony of the first TBM for the EUR6.58 bn (SGD10 bn) Deep Tunnel Sewerage System (DTSS) Phase 2 project ... More Information

Last TBM starts for DMRC at Najafgarh

The last Tunnel Boring Machine (TBM) of DMRC’s current phase of construction started work today between Najafgarh and Dhansa Stand on the Dwarka – Najafgarh – Dhansa Stand ... More Information

Press release - Looking forward to Snowy 2.0

Press release - Looking forward to Snowy 2.0

Since the days of our pioneering past, we’ve grown and today we’re looking forward as we take on the energy challenges of tomorrow. Snowy Hydro operates the Snowy Mountains Scheme, ... More Information

Forrestfield Airport Link Update

Forrestfield Airport Link Update

A major milestone was celebrated at the beginning of April with all tunnel segments required for the 8km twin-bored tunnels produced. A total of 9098 rings - that's 54,588 segments - have been ... More Information

Come and meet Bekaert-Maccaferri at BAUMA 2019!

Come and meet Bekaert-Maccaferri at BAUMA 2019!

We love meeting you. So, come and visit our booth C3.241 and have a drink see this map for our location. We will be at the show from the 8th until the 14th of April 2019 in Munich, ... More Information

Major contractors appointed to build Cross River Rail

The Palaszczuk Government has announced the international consortia that have won the three major works packages for the Cross-River Rail Project in Brisbane. The Palaszczuk Government has ... 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