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Arrival of the First TBM for Lot 1A of the Battipaglia-Romagnano Section on the Salerno-Reggio Calabria High-Speed Line

Arrival of the First TBM for Lot 1A of the Battipaglia-Romagnano Section on the Salerno-Reggio Calabria High-Speed Line

The first of four tunnel boring machines (TBMs) designated for the excavation of tunnels in the Battipaglia-Romagnano section (Lot 1A) of the Salerno-Reggio Calabria high-speed rail line has arrived ... More Information

Grand Paris Express - TBM Awa ready to start for West section of Line 18

On Wednesday 29 May 2024, the Société des grands projets christened Awa, the latest TBM for Line 18.  In June, Awa will start digging - from the future Guyancourt station - a 6.7 ... More Information

Grand Paris Express – Excavation of Line 16 completed

Grand Paris Express – Excavation of Line 16 completed

After more than four years of work and the use of seven TBMs, the tunnel of Grand Paris Express Line 16 is now fully excavated.  On Monday, 26 February 2024, the TBM Houda reached the Mare au ... More Information

France - FAT passed for TBM Berthe de Puybusque for the Toulouse metro line C

A new milestone was reached on Thursday 25 January, with the factory acceptance of the Berthe de Puybusque TBM at Thieux. It will then be transported to the Line C worksite at La Vache during ... More Information

Francia/Grand Paris Express - Major Breakthrough Achieved on Line 6 Tunnels

Francia/Grand Paris Express - Major Breakthrough Achieved on Line 6 Tunnels

On November 6, 2023, a significant milestone was reached as the TBM (Tunnel Boring Machine) named Houda successfully broke through, marking its entry into the future Sevran - Livry station on Line 6 ... More Information

New breakthrough for TBM Houda

New breakthrough for TBM Houda

On the 29/05/2023 TBM 7, named Houda, broke through at the Becquerel manufact in Sevran, Lot 2, Line 16, as part of the Grand Paris Express route. The contractor consortium is NGE - BTP - Webuild. ... More Information

Grand Paris Express - Updates

Grand Paris Express - Updates

Line 17  - On Monday 14th  November at 5 pm the TBM Dorine - 120 m long and weighing over 1,000 t – brokethrough at Line 17’s Rolland manufact in Le Bourget at a depth of 26 m, ... More Information

STM will be at WTC 2022 in Copenhagen

STM will be at WTC 2022 in Copenhagen

Press release - Next week, in Copenhagen, from the 2nd until the 8th September “WTC 2022” the World Tunnel Congress will take place.   We are thrilled to let you know that STM will ... More Information

Grand Paris Express - July Updates

Grand Paris Express - July Updates

Line18  - Last week the TBM Céline reached the Grande Ceinture manufact for the Grand Paris Express’s Line 18.  A symbolic first step in its underground journey to join ... More Information

Grand Paris Express - TBM Maud installs its first ring for Line 16

Another milestone has been reached on the construction site of line 16, lot 3 in Champs-sur-Marne in Ile-de-France! Last week TBM Maud, named in honor of Maud Tallet, mayor of ... More Information

Grand Paris Express - First breakthrough on Line 18

Grand Paris Express - First breakthrough on Line 18

On 25/04/2022 the TBM Caroline reached the future Antonypole station in the Antony municipality for Line 18, of the Grand Paris Express project. The TBM - launched in December 2021 from the Marechal ... More Information

Grand Paris Express - Final Breakthrough for TBM Armelle

Grand Paris Express - Final Breakthrough for TBM Armelle

TBM Armelle has reached its final destination at the Hugo manufact at Ville du Blanc-Mesnil on Line 16 for Grand Paris Express. The machine, launched from the Braque shaft in Aulnay-Sous-Bois, ... More Information

Grand Paris Express - last TBM on Line 16

Press release - On 30/03/2022 at the construction site near Noisy-Champs station the name of the last TBM for Line 16 was unveiled.  In keeping with tradition, the tunnel boring machine was ... More Information

TBM Mireille breakthrough for the Line16 of the Grand Paris Express

TBM Mireille breakthrough for the Line16 of the Grand Paris Express

On 29/03/2022, TBM 8, christened Mireille, which had left Chelles less than a year ago, reached its first milestone by entering the future Clichy - Montfermeil station on Line 16 of the Grand Paris ... More Information

Grand Paris Express – TBM Dorine almost ready for second departure from the Verdun shaft

Grand Paris Express – TBM Dorine almost ready for second departure from the Verdun shaft

On 30 August 2021, after 6 months of excavation at a depth of 20 m under the municipality of Bourget and the simultaneous installing of the tunnel lining, the TBM Dorine arrived at the Rolland shaft ... More Information

Grand Paris Express - December updates

Grand Paris Express  - December updates

Line 15 South - The excavation of this line involved 10 TBMs, which installed 128,000 segments and 18,500 rings. In 2019 TBM Steffie-Orbival was the first machine to complete its section, followed ... More Information

Breakthrough for TBM Armelle on Line 16

On 24/11/2021 Eiffage Genie Civil celebrated the breakthrough of TBM Armelle in Le Blanc-Mesnile  station, Line 16, Grand Paris Express. Click here for the video, here and fr/127 for tunnel ... More Information

Line 15 South -TBM Laurence reaches the Fort d'Ussy - Vanves - Clamart station

Line 15 South -TBM Laurence reaches the Fort d'Ussy - Vanves - Clamart station

There's a new arrival on Line 15 South of the Grand Paris Express, after Camille in July and Aby last month, TBM Laurence has now completed its drive!   On 11/09/2021 TBM Laurence – ... More Information

Latest News from Grand Paris Express Project

Latest News from Grand Paris Express Project

Line 15 East  - Over night between the 6th and 7th of October, the head of TBM Sarah (almost 150 t) was transferred from the Finot structure in Saint-Ouen to the Agnes shaft in Aubervilliers, ... More Information

Grand Paris Express - End of the tunnel for TBM Aby!

Grand Paris Express - End of the tunnel for TBM Aby!

TBM Aby has broken through at the Villejuif Louis-Aragon station on Line 15 South.  The TBM - that last March crossed the Vitry Centre Station - completed the 4.3km tunnel from the Arrighi ... More Information

Grand Paris Express –Line 18

On the 16/10/2021 an open day will be held from 6 p.m. to 11 p.m. for the launch of a new TBM for Line 18. This will be the second TBM  for Line 18, whose name will be revealed during the site ... More Information

Grand Paris Express - TBM Dorine reaches Rolland!

On the 30/08/21 at a depth of 266 m the TBM Dorine completed its first tunnelling drive at Rolland! The TBM was launched last February from Verdun, and crossed the future Grand   Paris ... More Information

Grand Paris Express - New Breakthroughs in July

Grand Paris Express  - New Breakthroughs in July

Line 15 South - End of excavation for TBM Camille - TBM Camille, launched from the Creteil l’Echat station in October 2019 and after 4.2km - reached Salengro (Champigny-sur-Marne) on Line 15 ... More Information

Cipa in France

Cipa in France

Since 2018, the Paris metro has seen and continues to see Cipa working on the project. Cipa Italia, plays a leading role in the implementation of transport improvements and the strengthening of ... More Information

Grand Paris Express updates

Line 15 South  - On 06/04/2021 TBM Ellen reached the Arcueil – Cachan station, after 700 m from the Robespierre pit at Bagneux as part of the Grand Paris Express ... More Information

Grand Paris Express - Line 15 South - TBM Aby reaches Vitry Centre station

Grand Paris Express - Line 15 South - TBM Aby reaches Vitry Centre station

Last week TBM Aby broke through at the Vitry Center station on Line 15 South, on the Grand Paris Express. The TBM was first assembled and then launched in  June 2019 by the  Consortium ... More Information

Grand Paris Express - TBM Mireille

The 8th TBM for the Line 6 of Grand Paris Express has been named Mireille, in honor of Mireille Agletiner, a retired professor  involved in the city’s community life.   The ceremony ... More Information

Grand Paris Express - Line 15 South - Aby, Marina and now Dieneba!

Grand Paris Express - Line 15 South - Aby, Marina and now Dieneba!

At the beginning of February the Grand Paris Express held an inauguration ceremony  for the last TBM for Line 15 South. The event was attended by everyone in the team from the Horizon joint ... More Information

Grand Paris Express updates - Line 16

Grand Paris Express updates - Line 16

Line 16 (27.5 km) of the Grand Paris Express project will be entirely underground and three works lots are planned with the use of 8 TBMs. The works’ are scheduled to finish in 2030. Lot 2 - ... More Information

Grand Paris Express - New milestones

Grand Paris Express - New milestones

Line 15 South -  On the 08/12/20, after a 4 km drive between the Robespierre shaft (in Bagneux) and Fort d ' Issy - Vanves - Clamart, TBM Ellen began driving a further 700 m section of the ... More Information

Grand Paris Express - New breakthrough on Line 15 South

Grand Paris Express  - New breakthrough on Line 15 South

After 3.4 km of excavation, the Amandine TBM arrived at Villejuif Louis-Aragon. The TBM began tunnelling in April 2019, it broke through at the underground enclosure of the future railway station ... More Information

Several milestones for the Grand Paris Express

Several milestones for the Grand Paris Express

TBM Ines, began its journey from the Verdun shaft  at La Courneuve on the 11/08/2020, and has now reached Le Bourget RER station for Line 16.  The TBM – which is 100 m long and ... More Information

Grand Paris Express Line 14 South updates

Grand Paris Express Line 14 South updates

TBM Koumba breakthrough at the Pont de Rungis station   On 17/09/2020 the GIE NGE GC / Impregilo Joint Venture with the TBM Koumba achieved another milestone for the Grand Paris Express ... More Information

Breakthrough for the TBM Armelle on Line 16

Breakthrough for the TBM Armelle on Line 16

TBM Armelle, a TBM on the Grand Paris Express Line 16 has broken through. The TBM was originally launched from the Georges Braque shaft in October 2019 and broke through in Aulnay-sous-Bois after ... More Information

Grand Paris Express update

Grand Paris Express update

In July TBM Sarah was launched from its shaft at Aubervilliers for its journey towards the Saint-Denis Pleyel station. It will arrive at the Finot site at Saint-Ouen-sur-Seine and then it will drive ... More Information

Grand Paris Express - Breakthrough for TBM Koumba

Grand Paris Express - Breakthrough for TBM Koumba

On 20/07/20 the TBM Koumba arrived at the future Europa service facility in Orly on the extension of line 14 south: click here for the video.  The TBM will resume excavation in about two ... More Information

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Tunnelling News

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

London's Thames Tideway Tunnel now fully connected

After 10 years of construction work, the last of the 21 connections of the Thames Tideway Tunnel was made to the city's Victorian sewage system. More Information

Silvertown Tunnel

Silvertown Tunnel is the Transport for London project looking to forge a brand-new connection between Silvertown and the Greenwich Peninsula... More Information

Dubai Loop: Elon Musk to Build Huge Underground Road Network

Musk's The Boring Company, which is responsible for building a similar project in Las Vegas, aims to create 17 kilometers of tunnel capable of ... More Information

Wisconsin approves $4.5m tunnel lighting project

Wisconsin Governor Tony Evers has approved a $4.5m lighting systems upgrade project in various tunnels in Milwaukee County, Wisconsin. More Information

$1.18bn Manhattan Tunnel contract awarded as part of $16bn Hudson Tunnel Project

The Hudson Tunnel Project is the key section of the Gateway Programme, which is a comprehensive rail infrastructure investment aimed at boosting ... More Information

North East Link continues to forge ahead towards completion

Tunnelling will soon commence on Victoria's longest twin road tunnels – the North East Link tunnels – as two massive tunnel boring machines (TBMs) are ... More Information

Africa's huge £8.5m tunnel cuts up to 26 minutes off journeys to major capital city

The tunnel is to be constructed within the next three years. This project will not only create 500 jobs in the construction ... More Information

CMRL's tunnel boring machine from Panagal Park reaches Kodambakkam station after a year

Chennai Metro Rail's Phase II Project faces delays as tunnel boring machines 'Pelican' and 'Peacock' progress towards Kodambakkam... More Information

$800-million twin-tube tunnel, longest in the Philippines, nears 'breakthrough'

A senior agency official stated on Thursday that the tunneling phase of the Davao City Bypass Construction Project will achieve a long-awaited ... More Information

The World’s Largest Immersed Tunnel Is Being Built—And It’s Done Without a Tunnel Boring Machine

When we think about groundbreaking advancements, our minds often jump to cutting-edge technology like smartphones or supercomputers. But some of the most awe-inspiring innovations are ... More Information

Brenner Base TBM enters 'highly fractured' fault zone

A tunnel boring machine (TBM) working on the northernmost active construction lot of the Brenner Base Tunnel project has entered a “highly ... More Information

India building a historic Undersea Tunnel for Mumbai-Ahmedabad Bullet Train Project

He stated, "All high-quality safety norms have been adopted in the construction of this India's first carefully designed undersea tunnel project." The ... More Information

Norway's Incredible Ship Tunnel Plan Is Back On Track

Despite pandemic-related and planning delays to the project, the Norwegian Coastal Administration is pressing ahead with plans to build the world's ... More Information