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Robbins – Why choose a crossover?

Robbins – Why choose a crossover?

Ground conditions don’t always fit into one category so why should your machine? Today’s TBMs must adapt to shifting geology from hard rock, to soft soil, to boulders, and everything ... More Information

PPS at BAUMA 2019

PPS at BAUMA 2019

Celebrating the third decade of PPS-Poltinger Precision Systems at BAUMA 2019. PPS have celebrated their 20th birthday in 2018 and we are starting the third decade with a series of product ... More Information

Femern A/S launches major construction works on the Fehmarn tunnel

The political parties behind the Fehmarnbelt Fixed Link project have decided to initiate a number of large construction activities in Rødbyhavn on Lolland. Femern A/S have been requested ... More Information

Blue M4 Metro Line

Blue M4 Metro Line

On the 25th of March the second of two TBMs excavating the tunnels of the Western Section (from S.Cristoforo to Solari), which is part of the Blue M4 metro line in Milan reached the Tolstoj Station. ... More Information

Voting underway to decide on name for first tunnel boring machine

Voting underway to decide on name for first tunnel boring machine

Sirius Minerals - The public have been invited to decide on the winning name for the first of three 1,800 tonne tunnel boring machines (TBM) that will construct Sirius Minerals’ underground ... More Information

Press release – Autopista al Mar 1

STRABAG: Financial close of its project “Autopista al Mar 1” in Colombia completed. USD 713 million project financing Seven international and one national bank are ... More Information

ITACET training courses at WTC 2019

Two ITACET training sessions will be organized on 3rd-4th May during WTC2019. • Tunnelling 4.0 information technology for the design, construction and maintenance of underground ... More Information

More than 25 000 moulds produced all over the world by CBE Group

More than 25 000 moulds produced all over the world by CBE Group

The French company can be proud of very satisfying production results for 2018 : CBE Group exceeds now 25 000 moulds manufactured by its French and Chinese teams since 1987. More Information

CIFA will see you at BAUMA!

CIFA will see you at BAUMA!

CIFA will be showing at BAUMA this year, they will be exhibiting as part of Zoomlion Heavy Industry group (outdoor area 905/2) and CIFA by Euromecc. They will be showcasing their leading products ... More Information

VMT at BAUMA press release

VMT at BAUMA press release

VMT will be 25 years old on the opening day of Bauma2019  VMT is crowning this anniversary with a series of product innovations to be presented for the first time at Bauma. They are the ... More Information

From paving local roads to pioneering the world’s greenest reinforced concrete: how one engineer solidified her career in tunnels

From paving local roads to pioneering the world’s greenest reinforced concrete: how one engineer solidified her career in tunnels

Carola Edvardsen is one of the world’s leading concrete experts, specialised in major international bridge, tunnel and marine projects. But getting to this point was no easy feat and she had ... More Information

Robbins EPB and Conveyors complete complex Lot 5 at Emisor Oriente

Robbins EPB and Conveyors complete complex Lot 5 at Emisor Oriente

Powerful TBM proves itself in both soft ground and hard rock.  On February 28, 2019 a ceremony was held to mark the breakthrough of a machine proven in both soft ground and hard rock. The ... More Information

West Gate Tunnel Project Graduate Program

West Gate Tunnel Project Graduate Program

The 2020 Graduate Program is now open for the Major Transport Infrastructure Authority. If you’re looking for an opportunity to get involved in Victoria’s Big Build in Melbourne ... More Information

Stockholm Metro extension

Stockholm is one of the fastest growing metropolitan regions in Europe. The population is increasing by 35,000 a year. Stockholm needs more housing and better public transportation and as a result ... More Information

TELT – approves call for tenders for French side of the tunnel

On the 11th of March 2019 the board of TELT, the Italian-French company building the tunnel for the Turin-Lyon high-speed rail link, approved the call for tenders for the tunnel, on the French ... More Information

Cool Reflections for Overheating Metros!

Cool Reflections for Overheating Metros!

“Why paint trains with high-performance solar reflective paint ..... .....and fit low emissivity glass windows?” (N.B. The focus of this document is on mixed surface and sub-surface ... More Information

Bergen Point WWTP TBM ready to be shipped to New York

Bergen Point WWTP TBM ready to be shipped to New York

The existing outfall pipe at the Bergen Point Waste Water Treatment Plant (WWTP) in Babylon, Suffolk County, NY, has to be replaced. A 4.33 km (14,200-foot) tunnel, with a 3.05 m (120-inch) inner ... More Information

Sanierungstunnel Belchen - Bi-Component Mixing Plant

Sanierungstunnel Belchen - Bi-Component Mixing Plant

The Belchen Tunnel, built in the 1970s, had to be rehabilitated due to damage to the tunnel support structure. In order to keep the traffic restrictions to a minimum, the Belchen rehabilitation ... More Information

Beyond Tunnelling - a manifesto for national action groups

Through the initiative of ITACUS, THINK DEEP groups have been established in recent years or are in the process of being established in several countries. These groups aim at raising awareness of ... More Information

Westgate update

Assembly is underway on the first of the two TBMs that will build the West Gate Tunnel, the Victoria’s alternative to the West Gate Bridge. It will take around 75,000 working hours to assemble ... More Information

Swiss Tunnel Database

Are you interested in finding out comprehensive information about all the tunnels that have been built in Switzerland? Use this link ... More Information

EnigmaCG’s Tunnels 10x10x10

EnigmaCG’s Tunnels 10x10x10

EnigmaCG’s Tunnels 10x10x10 The number 10, for EnigmaCG symbolises us being10 years old. For you it means the first 10 Delegates get a 10% discount for the 4th Annual Innovation in ... More Information

TELT - February

TELT - February

The excavation of the French Saint-Martin-la-Porte construction site (SMP4) with the Fedrica TBM exceeded 77% of the 9 km planned by the end of February. Also in February, the target of 30 m/day ... More Information

Crossrail update

Crossrail update

Dynamic Testing has now commenced for the Crossrail Project. Testing is being carried out through the 21 km of new tunnels under central London. Over the next 6 months all the railway’s ... More Information

EUROCK 2020 – Call for papers

EUROCK 2020, is the international symposium of the ISRM, and will be taking place at the Clarion Hotel & Congress in Trondheim from June 15th to 19th 2020. The EUROCK 2020 Program Committee ... More Information

Breakthrough for Sofia Metro Extension Project

On the 27.02.2019 the Dogus Construction-Via Group Construct-Ultrastroy Joint Venture, completed the 5978 m tunnel using a TBM for the Sofia Metro Extension Project Line3, Lot 4 in Bulgaria. The ... More Information

iPS opens offices in Saudi Arabia and Bahrain

iPS opens offices in Saudi Arabia and Bahrain

iPS – Powerful people has opened a local office in Al Khobar, Saudi Arabia and in Manama, Bahrain. iPS is constantly looking for new opportunities to grow and expand our current business ... More Information

ACCIONA Press Release

ACCIONA Press Release

The high-speed rail project will connect the city of Oslo with the town of Ski via twin 19.5 km tunnels, the longest in Scandinavia. 28 February 2019- ACCIONA and Ghella have completed ... More Information

First TERRATEC TBM breaks through on Mumbai Metro

First TERRATEC TBM breaks through on Mumbai Metro

The first of seven TERRATEC TBMs being used on Mumbai Metro’s highly anticipated 33.5km underground Line 3 corridor, in India, breaks through on its inaugural drive. In mid-February, TERRATEC ... More Information

"Victory Boogie Woogie” tunnel completed

"Victory Boogie Woogie” tunnel completed

TBM Catherina-Amalia broke through on the 10th of January 2019 to complete the Victory Boogie Woogie tunnel in the Hague. The TBM was 80 metres long and 11 meters in diameter and bored a tunnel ... More Information

Bucharest M6 metro line

In February 2019 the European Commission (EC) endorsed the EUR 517 million funding dedicated to a section of  the M6 metro line planned to link the Bucharest airport  ( Henri Coanda in ... More Information

Double breakthrough for the Follo Line

On 26.02.2019 at 14h00 Bane NOR reached an important milestone with the final double breakthrough on the Follo Line project. Anna and Magda, the last two of the 4 Follo Line TBMs broke through at ... More Information

Robbins Webinar - Rapid Excavation: How to Speed up Your TBM Tunnel

Robbins Webinar - Rapid Excavation: How to Speed up Your TBM Tunnel

In this complimentary 40-minute webinar, Robbins Engineering Director Brad Grothen and Elisa Comis, Associate at McMillen Jacobs, will discuss what rapid excavation really looks like in the field. ... More Information

M4 Metro Line breakthrough

M4 Metro Line breakthrough

On the 25.02.2019 the second of the two TBMs that are excavating the tunnels of the Western Section of the M4 in Milan reached Frattini Station. In only 22 days the TBM excavated approximately 570 ... More Information

Thames Tideway Super Sewer

Thames Tideway Super Sewer

Rachel, the TBM digging the west section of the Thames Tideway Tunnel, has been lowered 35 m down the shaft at Tideway's Carnwath Road site in Fulham. Over the coming months, she will begin her ... More Information

WTC 2019

WTC 2019

THE WORLD TUNNEL CONGRESS 2019 IN NAPLES, ITALY FROM MAY 3RD TO MAY 9TH 2019. The whole underground industry will meet in Naples to study and discuss the state of art of tunnelling in connection ... More Information

Tunnelling News

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

China's first vertical large model for tunnel, underground space sector released

The project which is in the Guangdong-Hong Kong-Macao Greater Bay Area. The model helps make tunnel construction safer, higher-quality, more efficient and ... More Information

BMC Begins Major Water Supply Upgrade Mumbai

The project commenced in 2023 and has adopted tunnel boring machine (TBM) technology to minimise surface disruptions in crowded neighbourhoods. Of ... More Information

Slurry tunnel boring machines to be deployed for Bengaluru Twin Tunnel Road Project

B-SMILE opts for slurry TBMs over hard rock TBMs for Twin Tunnel Road project in Bengaluru due to mixed terrain... More Information

Tunnel along railway linking Shenzhen and Shanwei special cooperation zone under construction

Technicians check a tunnel boring machine (TBM) at the construction site of a tunnel in Pingshan, Shenzhen City, south China's Guangdong Province, Aug ... More Information

Construction staging area approved for Nashville's airport tunnel project

The Music City Loop will be a 10 mile tunnel connecting downtown Nashville to the Nashville International Airport (BNA)... More Information

Zojila tunnel deadline pushed to 2028: Here's why Asia's longest tunnel project is delayed

Zojila Tunnel Latest Update: On completion, the project will not only play an important role in the country's infrastructure development but also ... More Information

W.A. Rasic Construction Awarded Major Subcontract on Dragados' $630M Effluent Outfall

The tunnel project is a critical component of Southern California's long-term infrastructure resilience strategy. The project directly supports the ... More Information

VDOT gives HRBT expansion update

Construction on the Hampton Roads Bridge-Tunnel Expansion Project hit key milestones as tunneling progresses and traffic shifts to new lanes. More Information

HS2 lifts third TBM following 3.4-mile journey

HS2 Ltd has lifted Tunnel Boring Machine Emily's 9.11-metre diameter cutterhead, front and middle shield, weighing 880 tonnes, from below the ... More Information

Musk's Boring Company unveils Music City Loop tunnel project for Nashville

The big picture: The project has an ambitious timeline of completing the 10-mile route in less than two years. The tunnel would move vehicles at warp ... More Information

Progress Update on East Dallas Tunnel Project to Address Flooding Problems

With so much rainfall throughout the metroplex, NBC 5 wanted an update on a project expected to mitigate flooding in East Dallas... More Information