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TBM Viviana Begins Excavation of the Turin-Lyon Base Tunnel

TBM Viviana Begins Excavation of the Turin-Lyon Base Tunnel

On April 1, 2024, at the Saint-Martin-la-Porte construction site (CO7), the red Savoy tunnel boring machine (TBM) Viviana was officially launched. This marks the beginning of excavation for ... More Information

Turin/Lyon – Updates October

RFI - Turin-Lyon: legality protocol signed for the construction of the Italian section On 18 October 2024, the Legality Protocol was signed between the Prefecture of Turin, Rete Ferroviaria ... More Information

Turin/Lyon - The EU allocates another EUR 700 million to the cross-border section of the project

The European Commission has announced the funding distribution for projects benefiting from the third edition (2024-2027 period) of the CEF, the EU’s programme for strategic investments in ... More Information

Registration now open for ‘Open Days’ at the Modane construction site

Press release - For the first time, the Villarodin-Bourget/Modane underground construction site, where part of the Mont Cenis base tunnel, at the centre of the new Turin-Lyon railway line, is ... More Information

Turin/Lyon – TELT's fifth TBM has been delivered

On February 29th, 2024  the fifth of the seven TBMs for the new Lyon-Turin railway line was delivered to the French-Italian group of companies ELYOT, consisting of Eiffage Génie civil ... More Information

New TBM for Mount Cenis Tunnel

On December 21st, 2023, at the Herrenknecht factory in Germany, the delivery ceremony was held for the first Tunnel Boring Machine (TBM) that will traverse the border between France and Italy for ... More Information

TURIN-LYON - construction of the base tunnel starts in Chiomonte

TURIN-LYON - construction of the base tunnel starts in Chiomonte

The official commencement of the excavation for the Italian section of the Mont Cenis base tunnel, a pivotal part of the Turin-Lyon railway line, began on December 18, 2023, in Val di Susa. ... More Information

Turin/Lyon - TELT's third TBM

On 27/11/ a third TBM was completed at the Herrenknecht AG plant. The TBM is 10.5 m in diameter, 2000 tonnes in weight and 180 m long. It will excavate an 8.3 km section of TELT's Turin-Lyon base ... More Information

Turin/Lyon - New TBM live from the factory

Turin/Lyon - New TBM live from the factory

A new TELT TBM - 10.5 m diameter, 264 t weight, 180 m length, for the Lyon-Turin new line unveiled on October 6th, 2023 at the Herrenknecht AG plant! It will work on the CO6/7 site for the Mont ... More Information

Press release - The first of TELT's seven tunnel boring machines for the excavation of the Lyon-Turin base tunnel unveiled

The companies together with the public promoter witnessed the trials of the machine that will excavate the next 9 km beneath Mont Cenis.   Schwanau (DE), 7 July 2023 - The first of the ... More Information

FAT complete for first Herrenknecht TBM for TELT

FAT complete for first Herrenknecht TBM for TELT

Today July 7th 2023 the FAT test  for the first Telt TBM S-1355 built by Herrenknecht is complete. The 10.415m TBM will drive the 9km North tube from St Martin la PORTE to La Praz, parallel to ... More Information

€3 Billion in news tenders on the way for the new stage of the Lyon-Turin project

€3 Billion in news tenders on the way for the new stage of the Lyon-Turin project

PRESS RELEASE - New tenders, with an estimated value of EUR3 billion, are on the way to build the Mont Cenis base tunnel which is under construction beneath the Alps between France and Italy. More ... More Information

TELT on track for next tender phase!

On April 20 in Brussels , TELT will outline what it needs for the last operational phase (rail and technological equipment) for the Mont Cenis base tunnel, which is an essential part of the ... More Information

A new excavation front for the Lyon-Turin tunnel project

The Lyon-Turin base tunnel in France has now commenced excavation in Saint-Julien-Montdenis on construction site n.08 in Villard-Clément. Almost 3 km of tunnels will join the 10.5 km already ... More Information

Turin/Lyon - New milestone in Avrieux

With the completion of excavation of the first 10.5 km of the even-numbered tube of the Mont Cenis Base Tunnel between Saint-Martin-la-Porte and La Praz (in the direction of Paris) - the ... More Information

SAIE 2022 - The SIG (Società Italiana Gallerie) tunnelling area

SAIE 2022 - The SIG (Società Italiana Gallerie) tunnelling area

Press release - Among the various special initiatives that uniquely characterize the SAIE 2022, the Construction, Design, Building and Plants’ Fair - in BolognaFiere from 19 to 22 October, ... More Information

Turin/Lyon - 10.5 km of the Base Tunnel completed

On the 28/04/2022 at Saint-Martin-la-Porte, in Val Maurienne, France excavation of the first 10.5 km of the Turin-Lyon base tunnel has now been completed:- click here for a video. At around 11:00 ... More Information

Geothermal system from tunnel to power visitor centre

The invitation to tender for construction of electrical and lighting installations, piping, data connection cables, control units, etc. for the visitor centre at the Turin-Lyon construction site in ... More Information

€3 BILLION worth of Contracts awarded for TELT

Paris, 7 July 2021–The TELT board of directors, which met today online between Rome and Paris, has given  the  go-ahead  for  the  signing  of  contracts ... More Information

TELT - First of 3 Webinars during the European Year of Rail

2021 marks a key year for the strengthening of the transport sector, a year in which the commitment to the future of new generations can have a tangible effect.    Environment, ... More Information

Press Conference today announcing €3 billion worth of tenders for the Lyon-Turin railway line

Today 07/07/2021 at 12h30 there is a live streaming press conference organized by APE (Association de la Presse Etrangère) in Paris, ’Associazione della Stampa Estera (Italy) and TELT - ... More Information

EU Contribution for Lyon-Turin railway increases

The European Union is re-evaluating its contribution to the new Turin-Lyon railway line in order to increase it to 55%. At the end of March 2021, the Permanent Representatives Committee (Coreper) of ... More Information

TELT's Board of Directors and Tunnel works awarded

The French and Italian governments, in accordance with the agreements between the two countries in their Articles of Association, have appointed the members of Tunnel Euralpin Lyon Turin - ... More Information

Geothermal Energy from the Base Tunnel to power the Susa Valley construction site

The hot water collected during excavation of the Chiomonte base tunnel will become a source of clean, sustainable energy for its construction site. This geothermal resource will then be made ... More Information

EnigmaCG’s 6th Annual Webinar on Innovation in Tunnels: Construction, Maintenance, Safety & Fire Protection

With over 55 live tenders for construction/development of new tunnels in just Spain, Switzerland, Italy and Belgium at the time of writing this, it is safe to say that tunnel construction/ ... More Information

Lyon-Turin base tunnel first 9km complete

On September 23rd , 2019 the TBM Federica (diameter 11.26 m, length 125 m, weight 2400 t) built by the French company NFM Technologie , completed the excavation of the first 9 km section between ... 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

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

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

TELT update

Paris, 19 February 2019 - The Board of Directors of TELT (the public promoter entrusted by Italy and France with the construction of the cross-border section of the Lyon-Turin railway line), ... More Information

TELT

When finished, the tunnel on the Lyon-Turin train line is expected to stretch for nearly 60 kilometers across the French-Italian border" When finished, the tunnel on the Lyon-Turin train line is ... More Information

TELT update

Turin/Lyon - Before the end of the Summer 2018 the tenders for the French section of the base tunnel TELT will be released. The bi-national co-operation program agreed by the two European Union ... More Information

Turin/Lyon - EPSF go ahead with the preliminary safety dossier

On April 27th, the EPSF (Public Railway Safety Establishment) approved the preliminary safety file concerning the infrastructure of the cross-border section, in application of Decree 2006-1279 on ... More Information

TELT - Update

In Saint Martin La Porte the South tube heading in an Easterly direction has been excavated using traditional methods and has reached 10km. at the front the coal formation are mostly composed of ... More Information

Shortlisted projects announced for ITA Tunnelling Awards in Paris

Shortlisted projects announced for ITA Tunnelling Awards in Paris

November 13-16 2017 will see leading international specialists in the global tunnelling sector attend the AFTES Congress in Paris which will include a special one-day event: November 15 will be ... More Information

TELT Project update

TELT Project update

On 22.05.2017 the first stage of the “TELT at Work” roadshow was held in Turin. TELT is a project that covers the  cross-border works for the Lyon-Turin railway line. The TELT ... More Information

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Tunnelling News

Deutsche Bahn awards contract for Munich S-Bahn project

The contract involves structural works for the expansion, including the construction of tunnels and an underground station. The Tunnel Ostbahnhof JV, ... More Information

Excavation completed on Italian side of Brenner Base Tunnel

The tunnel boring machine (TBM) named “Flavia” successfully bored through the Alps beneath the Mules 2–3 section, reaching the Austrian border. More Information

Giant tunnel borer set for Shantou Bay project

A giant tunnel boring machine has been installed for tunnelling under Shantou Bay in Shantou, South China's Guangdong province. [Photo provided to ... More Information

€0.4bn road and tunnel project in Georgia

Work is proceeding on the Kvesheti-Kobi road and tunnel scheme in Georgia. The scheme is part of a larger project, being carried out with Chinese ... More Information

Lahore to transform with Rs49 billion tunnel boring project

Pakistan, April 27 -- The federal government has approved Lahore's Rs49 billion Tunnel Boring Project, marking a major development for the city... More Information

Construction at Cleveland Hopkins International Airport

The 2,100-foot-long tunnel connects the terminal to parking facilities and the tramway leading to the RTA public rail line. During the project, two of ... More Information

AFFHOLDER AND J.F. SHEA TEAM UP ON $700 MILLION CONTRACT

The tunneling subsidiary, Affholder LLC, will lead a joint venture with J.F. Shea Construction, Inc., to build the I-35 Capital Express Central ... More Information

Factory Testing Complete on DC Water's first tunnel boring machine for the Potomac River

Mary passed all the necessary requirements and is one of two TBM's on the project. The tunnel is part of DC Water's Clean Rivers Project, to ... More Information

Work on Chennai Metro tunnel racing to a finish

The machine Flamingo, which started boring in 2023 for the tunnel linking Light House with Thirumayilai, is expected to reach the other end in ... More Information

CPK awards contract to build high-speed rail tunnel in Lodz, Poland

The tunnel, to be constructed using a tunnel boring machine (TBM), will have a ... More Information

Inside HS2: Meet London's miners working on the Northolt tunnels

We are on a tunnel boring machine (TBM) inside High Speed Two's huge Northolt tunnels. These tunnel boring machines are part of a tunnelling ... More Information

Ontario Begins Construction Of Last Tunnel Segment Of The Eglinton Crosstown West Extension

The remaining eastern portion of tunnel construction (500-meter twin tunnels) will use the sequential excavation method, with daily progress of ... More Information

Norway is building the world's longest and deepest subsea road beneath its fjords

We have subsea road tunnels which have that construction. And the new tunnel between Germany and Denmark, there they are laying down cases and put ... More Information

CERN releases report on the feasibility of a possible Future Circular Collider

The estimated cost of construction of the FCC electron–positron stage, including the tunnel and all the infrastructure, is 15 billion Swiss francs... More Information

TBM break through on Auckland's £915M wastewater megaproject completes 16.2km tunnel

Auckland's major wastewater infrastructure project, the Central Interceptor, has reached a significant milestone with the final breakthrough of ... More Information

In pics: construction site of Chongming-Taicang tunnel

A smart assembling vehicle works at "Linghang" large diameter shield tunneling machine at the construction site of the Chongming-Taicang tunnel, part of the Shanghai-Chongqing-Chengdu ... More Information

IN PICTURES: Spectacular images of the removal of HS2's huge tunnelling machine

TBM Sushila was used to construct part of the Northolt Tunnel – an 8.4-mile tunnel ... construction/london-tunnels/progress-3/northolt-tunnel/tbm- ... More Information

Historic tunnels uncovered beneath Salisbury station during £5.3M upgrade project

Engineers from Network Rail and South Western Railway have uncovered a network of tunnels and rooms beneath Salisbury station during ongoing £5.3M upgrades to the station’s forecourt... More Information

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels. The new road will pass through Georgia along a trade route ... More Information

Buca Metro Tunnel Excavations Reached 50 Percent Level

Important progress is being made in the construction of the line, where four tunnel boring machines (TBMs), each 100 meters long, 7 meters wide and ... More Information

'Very promising' narrow-reef boring technology nearing rollout stage

A novel tunnel boring machine (TBM) will open up Bokoni's narrow tabular dipping PGM orebody to allow narrow-reef boring to take place, so that ... More Information

A vast undersea tunnel is being built

The 7.4 billion-euro ($7.7 billion) project is a huge undertaking, in every sense. Each section of the tunnel is colossal. These concrete structures ... More Information

National Grid gets planning permission for Grain to Tilbury upgrade with new Thames tunnel

National Grid has secured full planning approval for the Grain to Tilbury project, which includes a new power tunnel under the River Thames... More Information

Right track tunnel of Huangjialing Tunnel in NW China's Gansu drilled through

A staff member works on the construction site of the right track tunnel of the Huangjialing Tunnel in Linxia Hui Autonomous Prefecture, northwest ... More Information

Shetland Islands tunnels plan takes 'huge step forward' with sonar investigations

This phase will further inform the project's development and feasibility. The tunnel project, seen by locals as pivotal for improving ... More Information

Construction of the Tarande tunnel begins next week

On March 17th, in Vilnius district Construction of a tunnel and other related infrastructure will begin at Taranda and Bukiškis. This project aims ... More Information

Delhi Metro's Golden Line achieves major tunnel breakthrough;

The construction of Delhi Metro's Golden Line achieved a major milestone on Thursday as the Tunnel Boring Machine (TBM) broke through at the ... More Information

RiverRenew Tunnel Project Nearing Completion

The RiverRenew Tunnel System Project, the largest infrastructure investment in Alexandria's history, is nearing completion. More Information

Sydney Metro West tunnels enter final stretch after big breakthrough

Two tunnel boring machines (TBMs) constructing the huge Sydney Metro West tunnels have made a smashing entrance 24 metres below the surface. More Information

Chennai Metro Rail launches first tunnel boring machine for underground tunnelling in Kolathur

Corridor 5 begins at Madhavaram Milk Colony and connects through Koyambedu, Porur, Alandur and other residential/commercial areas of the city to ... More Information

Element Six, Master Drilling Announce Tunnel Development Partnership

Element Six and Master Drilling will deliver a diamond-enabled solution designed to increase tunneling development speed, reducing costs and minimize the environmental impact of tunnel ... More Information

Gateway Project Tunnel Connecting NY and NJ Moves Forward

Five Gateway contracts have been awarded so far, including one on Predergast's first day for construction on the Manhattan side of the tunnel... More Information

HSR Xi'an – Yan'an: Completion of All Tunnels in the Project

The HSR Xi'an – Yan'an has completed the excavation of all tunnels, including the Tongchuan Tunnel. This is a key milestone in the construction ... More Information

Brazil's US$1bn underwater tunnel project making waves among potential bidders

The first underwater road tunnel project in Brazil is attracting interest from multiple potential bidders, an official familiar with the matter ... More Information

Element Six and Master Drilling Announce Strategic Partnership for Advanced Tunnel

Achieving high quality, nonexplosive tunnel construction with various aspects of value generated compared to traditional rock excavation methods is a ... More Information

Tutor Perini Wins a $1.2 Billion NYC Contract

A joint venture of Sylmar-based civil construction firm Tutor Perini Corp. and its subsidiary Frontier-Kemper Constructors has won a $1.18 billion contract to construct a pair of rail ... More Information

Milestone reached for $1.6b Auckland wastewater tunne

Watercare's Central Interceptor project has passed an historic milestone with the southern half of the 16.2 kilometre tunnel – Blockhouse Bay ... More Information

Elon Musk's 'Wormhole' Tunnel Promises To Carry 20,000 People Per Hour In Dubai

It’s been more than eight years since Elon Musk decided he was fed up with traffic and declared he’d start digging tunnels to revolutionize public transport across the United States. So ... More Information

First tender for Dubai’s $22bn tunnels due within days

Dubai Municipality is expected to tender the first two packages of the $22bn Dubai Strategic Sewerage Tunnels (DSST) project imminently... More Information