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TBM Coline named for Metro B extension in Lyon

The TBM, that will excavate the2.4 km extension of the metro line B of Lyon from Saint-Genis-Laval to Oullins, has been christened Coline. The machine will drive a single tube tunnel with a 8.5 m ... More Information

Systemair - Oddernes and Banehei road tunnels ventilation complete

Systemair has supplied 122 jet fans - with a 630 to 1250 mm diameter – for the Oddernes and Banehei E18 road tunnels in Norway. Due to the presence of entrance and exit ramps and to the ... More Information

Robbins and iPS Webinar postponed

The date of the Robbins and iPS Webinar on Rescuing & Refurbishing TBMs has been postponed until November 21st , 2019. For further information please visit ... More Information

TERRATEC EPBMs gear up for tunnelling on Pune Metro

TERRATEC delivers the first two of three TBMs that will be used by Gulermak-Tata Projects JV for the underground works on Line 1 of the Pune Metro, in India. TERRATEC is pleased to announce the ... More Information

Melbourne Metro update - Joan and Meg start tunnelling

Melbourne Metro have reached a major milestone with tunnelling starting on the North Melbourne to Kensington section of the Tunnel Project. Tunnel boring machine (TBM) Joan was the first to break ... More Information

Second mega borer breaks through for Sydney Metro at Martin Place

Tunnel boring machine (TBM) Mum Shirl has broken through a wall of rock into the new Martin Place Station in the heart of Sydney. Mum Shirl has excavated about 650,000 tonnes of rock – enough ... More Information

Zheleznitsa tunnel update

The Joint Venture working on the Struma motorway (Bulgaria) which consists of GP Group (48%), Global Construction (48%) and Via Plan (2%) has now started construction of the 2km Zheleznitsa tunnel ... More Information

Grand Paris Express – Update

Line 14 - On the 12th October 2019 during the KM7 event at the Saint-Denis Site, the name of the third TBM to be used for the line 14 construction on the Grand Paris Express was announced. The ... More Information

New Fornebu Line from Oslo to Baerum

The new Fornebu Railway/Fornebu line/Fornebubanen will be an 8 km extension of the Oslo Metro. This will connect the Fornebu peninsula in Baerum to the existing Majorstuen T-rail ... More Information

Press release - First tunnelling machine breaks ground on super sewer

Balfour Beatty, alongside its joint venture partners Morgan Sindall and BAM Nuttall has seen one of their two tunnelling boring machines (TBM) become the first to break through the ground to ... More Information

TfL unlocks Silvertown contract while legal battles continue

Transport for London (TfL) has unlocked the award of the GBP1bn Silvertown Tunnel contract, despite the ongoing legal action over its procurement. TfL now hopes to sign a contract with the ... More Information

10th International Conference Tunnel Safety and Ventilation

Between the 21st and 22nd of April 2020 the 10th International Conference of Tunnel Safety and Ventilation will be held in Graz, Austria. Technical visits will be organized on April 20th, ... More Information

TERRATEC RBM completes first shaft at Buriticá gold mine

TERRATEC recently celebrated the successful completion of a 300m deep, 4.1m diameter, ventilation shaft at the Buriticá mine development project, in Colombia. Peruvian mining contractor ... More Information

CIFA and Zoomlion Capital launch financial services for Europe

CIFA with Zoomlion Capital, its captive finance company, have launched a new range of financial services aimed at increasing its market presence in Europe. This new offering, developed in ... More Information

New milestone on Mumbai Metro's Line 3.

On October 22nd the L&T-STEC JV and MMRC achieved the 21st Breakthrough for Mumbai Metro's Line 3 at Churchgate Station part of Package 1. The breakthrough of Robbins Crossover XRE TBM Surya-II ... More Information

Major Milestone for Albvorland Tunnel project

On the 29th of October 2019 TBM Wanda broke through at Wendlingen am Neck for the Albvorland southern tube. The construction of the 8,176 m Albvorland tunnel, a key section of the new 60-km-long ... More Information

CP Technology – Precast Solutions

Press release - Know Your Precast, the innovative Italian solution for the prefabrication world. CP Technology Srl, is a company that is growing rapidly with its innovative carousel ... More Information

Construction of Sydney's Metro West to start next year

Construction will soon begin in Sydney on Metro West, with 7 station locations confirmed at Westmead, Parramatta, Sydney Olympic Park, North Strathfield, Burwood North, Five Dock and the Bays ... More Information

ITA Tunnelling Awards

"Tunnels: a resilient link between past and future" was at the centre of the debates of the World Tunnel Congress 2019, held in Naples. Focusing on repair and maintenance anticipation for ... More Information

Visit TERRATEC at the following exhibitions before the end of 2019

TERRATEC are a silver sponsor the Tunnel Association Canadas Technical Workshop - which will be held at the Delta Hotel, Winnipeg, MB, Canada from the 21st until the 22nd of October. The ... More Information

Systemair supply jet fans for Klimkovice Tunnel

Systemair have manufactured jet fans for the 1km twin tube Klimkovice tunnel on the D1 motorway in the Czech Republic. There are 16 jet fans in total each one is 1120 mm in diameter, has ... More Information

Robbins and iPS Webinar – 30th October 2019 - Rescuing and Refurbishing TBMs - register for free today!

Webinar Summary - Detlef Jordan, Robbins and Barrie Willis, iPS – TBM maintenance: it’s one of the most important factors predicting project success, but it is often treated with ... More Information

Press release - New microtunneling and pipejacking solution from PPS

PPS has more than 40 years of experience in the field of underground survey and guidance systems. With our microtunneling and pipejacking solution PPS-PJ, we created an outstanding ... More Information

Sydney Metro tunnels reach Martin Place

Sydney’s new twin metro railway tunnels are now 70% complete as tunnelling reaches the heart of the city deep under Martin Place. TBM Nancy has arrived at the new Martin Place Station, 28 m ... More Information

BaneNOR Railway Tender Conference 2019

Bane NOR invites suppliers to its Tender Conference where it will present upcoming plans about railway systems. The conference will be held on Wednesday, November 27th 2019, from 11.00 until 16.00, ... More Information

CIFA at the 2nd Conpaviper National Forum in Rimini

Press Release - CIFA and Blend are showing at the 2nd Conpaviper National Forum with EasyFloor A70 CIFA. They are at the forum with their full line of machines and solutions for the concrete sector. ... More Information

8-lane tunnel Recommended for new Massey crossing

On October 2nd , a Metro Vancouver committee, created to provide input to the British Colombia provincial government on a new Massey crossing, has recommended that the existing 629 m George Massey ... More Information

Zitron at World Road Congress 2019

The 26th World Road Congress is taking place in the city of Abu Dhabi from October 6th to 10th 2019, where professionals from all over the world will meet to discuss their ... More Information

North East Link Project October update

EES public hearing wrap-up - The Public Hearing for the North East Link Environment Effects Statement (EES) wrapped up on Monday 16th September. The independent Inquiry and ... More Information

Marine borings begin for HRBT Expansion

The U.S. Army Corps of Engineers (USACE) issued a permit to HRCP - Hampton Roads Connector Partners to perform borings in the waters between the Hampton and Norfolk shorelines for the HRBT expansion ... More Information

ATS Queensland invites members and guests to celebrate National Tunnelling Day.

The aim of this networking event is to celebrate the great achievements of tunnelling projects and tunnelling engineers in Australia and to promote the industry and its many professions to students, ... More Information

Survey work for A303 Stonehenge scheme enters next phase

Press release from Highways England - The next phase of investigation work for the A303 Amesbury to Berwick Down scheme near Stonehenge will focus on Countess roundabout over the coming ... More Information

Two new breakthroughs for Mumbai Metro Line 3

There have been two new breakthroughs as part of the ongoing Mumbai Metro Line 3 in India. The 18th breakthrough was TBM Wainganga-1 who broke through at the SEEPZ station after completing ... More Information

16th Australian Tunnelling Conference

We are pleased to announce that the 16th Australian Tunnelling Conference will be held on 14-15 October 2019 at the Aerial UTS Function Centre in Sydney. With a comprehensive, two-day ... More Information

iPS Powerful People acquires a controlling interest in the survey specialized personnel services company Nautech Services

iPS Powerful People and Nautech Services have agreed to intensively collaborate. With this agreement iPS Powerful People will strengthen their position in the Survey and Marine markets, and Nautech ... More Information

EXPO Ferrovia update

If you are attending this show EXPO Ferrovia in Italy today make sure you visit the stands of the companies that were chosen as the winners of the “DITECFER Railway Innovation Leaders ... 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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