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Read the latest news from TLT Turbo

The news area on the new TLT-Turbo global website features the latest news from our regional offices, product announcements and listings of upcoming events. Stay up to date on all TLT-Turbo news by ... More Information

Dai Pra' srl will take part in WTC 2022

Dai Pra' srl will take part in WTC 2022, The World Tunnel Congress, taking place at the Bella Center in Copenhagen, Denmark, from September 5 - 7, 2022. We look forward to welcoming you at ... More Information

Press Release - Landmark Breakthrough for Robbins TBM ‘Big Tex’

$Press Release - Landmark Breakthrough for Robbins TBM ‘Big Tex’$

On 25/07/2022 the large Robbins Main Beam TBM, dubbed ‘Big Tex’, broke through in Dallas, Texas, USA. The machine and its continuous conveyor system, for the Mill ... More Information

Sound Transit Board confirms preferred alternative for West Seattle Link Extension, requests further study of Ballard alternatives

On 28/07/2022 the Sound Transit Board identified preferred light rail route and station locations for the West Seattle Link Extension. Identification of Ballard Link Extension preferred alternative ... More Information

TERRATEC delivers more EPBMs for Chennai Metro Phase-II Tunneling work

TERRATEC delivers two more TBMs that will be used by Tata Projects Ltd. for the Chennai Metro Rail Phase-II Corridors in India. TERRATEC marks its latest milestone on the Chennai Metro Rail ... More Information

Light-rail tunnel to Ontario International Airport Project in San Bernardino County (California)

Ontario International Airport (ONT), located in the heart of the San Bernardino Valley (California), is the fastest growing commercial airport in the U.S. with a passenger volume expected to grow by ... More Information

Press release -HS2 celebrates historic first tunnelling breakthrough

HS2 Ltd is today [Tuesday 26 July] celebrating the very first tunnelling breakthrough on Europe’s largest infrastructure project. A 2,000-tonne TBM named ‘Dorothy’ – after ... More Information

West Gate Tunnel - TBM Bella hits 1km!

TBM Bella, 110 days after it began its journey, has reached 1.073 m of her 4km journey digging the West Gate Tunnel Project’s outbound tunnel. The second TBM, Vida has tunneled 23% of her ... More Information

A tiny TBM for the Suburban Rail Loop

At just 32cm in diameter, a remote-controlled TBM is now drilling under the streets of Clayton as part of construction of Suburban Rail Loop (SRL) East, between Cheltenham and Box Hill. The ... More Information

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

Georgia - Updates on Kvesheti-Kobi Highway project

The Kvesheti-Kobi Highway project is situated entirely in the Mtskheta-Mtianeti Region, across the Dusheti and Kazbegi municipalities. It spans from the Kvesheti area and Khada Valley in the Dusheti ... More Information

UYAK2023 - 5th International Underground Excavations Symposium and Exhibition

UYAK2023, the 5th International Underground Excavations Symposium and Exhibition, will be held in Istanbul on March 2023, with the cooperation of the TMMOB Chamber of Mining Engineers Istanbul ... More Information

BBT - excavations begin for lot H41 Sill Gorge-Pfons

Excavation work has begun on the main tunnel for BBT construction lot H41 Sill Gorge-Pfons, in Ahrental near Innsbruck. The Austrian Federal Minister Leonore Gewessler the patroness was ... More Information

ROBOFACTORY for TUNNELLING: the segment factory with zero people

The tunnelling world is experiencing an exponential growth thanks to the displacement of infrastructures in the underground and a phase of technological revolution, which involves the prefabrication of segments in mechanized excavation. More Information

Tunnelling work placement opportunity from TunnelCraft

Tunnelcraft and Balfour Beatty Vinci have joined forces to create an exciting opportunity for people interested in working on a live tunnelling project. The project is in Long Itchington Wood, ... More Information

Have you seen Häny AGs' E Book?

At Häny AG - Mixing and Injection Technology they are offering grouting equipment in a large variety of executions such as a very compact design, platform mounted or containerized plants. ... More Information

HS2 offers tunnelling career trial in Warwickshire

Press release - HS2’s construction partner, Balfour Beatty VINCI (BBV), is offering the chance to trial a new career working on the giant tunnelling machines that will bore beneath the ground ... More Information

Prague metro line D - construction begins

Construction of the Prague metro Line D has begun not far from the existing Pankrác C station, in the PAD2 locality - the consortium SubterraAS, Hochtief CZ, Strabag AS, Hochtief ... More Information

ITA Awards 2022 - deadline extension

The entries deadline for the 8th edition of the International Tunnelling and Underground Space Awards has been extended to the 18th July 2022. The entries can be submitted in 8 ... More Information

Last Breakthrough for the Monte Aglio tunnel on Naples-Bari HS/HC

On 22/06/2022 the last breakthrough was held for the 4km Monte Aglio tunnel, linking Maddaloni and Valle di Maddaloni, on the Cancello-Frasso Telesino section of the Naples-Bari High Speed/High ... More Information

WTC2023 Early Registration is available

The premier event for the Tunnelling and Underground Space Community is here! The Abstracts' Submission period is over and it is now time to Register! Do not miss the opportunity to register on ... More Information

Self-supporting Modular Formwork for Tunnels

Press release - The Modular Self-supporting Formwork for Tunnels built by CM Lafer for R.T.I DONATI S.p.A.- N.V. BESIX S.A. has just completed the first casting on the east mouth of the ... More Information

Cross River Rail Project - July Updates

Brisbane’s new underground making tracks - Rail tracks installation in the Brisbane's Cross River Rail’s twin tunnels commenced from just south of the future Albert Street station, and ... More Information

Transport infrastructure: EU invests EUR 5.4 billion to support key projects across the continent

135 transport infrastructure projects - among the 399 applications submitted under the CEF (Connecting Europe Facility) - applications closed on 19 January 2022 - have been ... More Information

Planning for a metro extension linking Glenfield to the Western Sydney Aerotropolis underway

Work will start immediately on a AUD77.5 million business case to extend the Sydney Metro - Western Sydney Airport (WSA) Line from the Western Sydney Aerotropolis to Glenfield, via ... More Information

Topping out ceremony for the Fehmarnbelt link’s tunnel factory

Press release - This month, Femern A/S and the main contractor, FLC, held a topping out ceremony at the Fehmarnbelt tunnel’s main construction site in Rødbyhavn on Lolland: the roof and ... More Information

The Fehmarn Link Business Conference (FLBC) will be held again on September 29, 2022.

The Fehmarn Link Business Conference (FLBC) will take place in Rødbyhavn on September 29, 2022 at 9.16. FLBC will primarily focus on the business opportunities that come in connection with ... More Information

Another major milestone

Press release - Earlier this month, another major milestone ahead of tunnelling for the Silvertown Tunnel was achieved when the first elements of the Tunnel Boring Machine (TBM) were lowered into ... More Information

Snowy 2.0 – June Updates

Lobs Hole - The TBM Lady Eileen Hudson has now excavated 2.2km of the main access tunnel, with 600 m remaining to reach the northern end of the power station complex. Once complete, the TBM ... 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

New cross-connection for Södertörn

The Swedish government is implementing the investment in a new road connection for Södertörn between E4 / E20 and road 73 to enable safe, efficient and sustainable travel. The Swedish ... More Information

TBM assembly has started for Broadway Subway in Vancouver

At the end of May the 2nd and final shipment of TBM parts for the Broadway Subway Project arrived! Now assembly of the first TBM is under way at the future GNW-Emily Carr Station site. On 14/06/2022 ... More Information

The first TBM of the Chengdu Metro Line 18 breaks through

On 06/06/2022 China Railway 22nd Bureau’ completed the first tunnel of Chengdu Metro Line 18 project, Phase 3. The TBM Excellence broke through and completed 3 months ahead of schedule. The ... More Information

First Breakthrough - Semmering Base Tunnel SBT1.1

Göstritz (lot SBT1.1) - On June 8th, 2022, after 8 years of construction, the 1st breakthrough took place between contract lot SBT1.1-Tunnel Gloggnitz and contract lot SBT2.1-Tunnel ... More Information

Ceremony held for the 1st TBM to be used for 2nd Gotthard tube’s access tunnel

The inauguration ceremony of the first TBM to be used to drive the access tunnel of the Gotthard motorway tunnel’s second tube was held on the 09/06/2022. The Client is the Federal Roads ... More Information

New milestones on the Hangzhou-Wenzhou Railway

Fuyou tunnel - On June 10th , after 610 days of construction, the Fuyou tunnel part of the Hangzhou-Wenzhou Railway, was successfully completed. It was built by the No. 1 Company of China Railway ... More Information

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Tunnelling News

Westmead metro station cavern formwork the biggest in the southern hemisphere

Crews are now retrieving the 1,200-tonne Tunnel Boring Machines (TBMs) that arrived beneath Westmead in September and October, lifting each machine ... More Information

Webuild: excavation begins on three tunnels for Salerno-Reggio Calabria HS/HC Railway

All four TBMs planned for Lot 1A Battipaglia–Romagnano section are operational with launch of latest three Joining TBM Partenope, already active, are Leucosia and Ligea, whose names were ... More Information

SELI Overseas: 75 Years of Tunneling with TBMs

From Channel Tunnel to the Brenner Tunnel: When Tunneling Is Synonymous with Innovation ... SELI TBM at work on the construction site... More Information

Road realignment is major step for HS2, says firm

HS2 Ltd A view of the realigned B4525 on an overcast day. · HS2 Ltd An aerial view of the construction of Greatworth tunnel showing major earthworks ... More Information

Amtrak has made real progress in East River Tunnel rehabilitation

The tunnel has been stripped down to the concrete liner. Westbrook was told the project isn't just about modernizing and replacing what was, but also ... More Information

Madrid invests EUR 123 million in new metro stations on Line 11

TBM Mayrit enters into action in 2026 · November 2025 – February 2026: assembly of the tunnel boring machine in Comillas Park (Carabanchel district) ... Facebook Twitter Flag as ... More Information

Jerusalem Light Rail Construction Advances Ahead of Major Tunnel Work

Local reporting on city project materials notes that “the plan calls for a 2-km underground tunnel to be built beneath the city center, including ... More Information

Why and how the Civil Works Alliance changed Sizewell C tunnel designs from Hinkley Point C

Ground conditions around Sizewell C have required intense collaboration between the project’s contractors alliance to come up with new outfall and intake tunnel design solutions... More Information

AI planning of the first railway tunnel through challenging terrain

AI plans first rail tunnel through tough terrain. Artificial Intelligence China Uses AI for the Construction of Railway Tunnels. 2025-12-08 ... More Information

Will Tunneling Projects Be The Next Big Thing For Mumbai's Public Transport?

During the interview, she also called tunnel boring machines the safest and one of the most efficient ways of doing tunelling. "Only the place of the ... More Information

Chipolbrok vessels deliver tunnel boring machines to Sydney and mineral bulk to Peru

Chipolbrok delivers TBMs for Sydney Metro on Chipolbrok Star and loads 29000t minerals in Peru on Taixing, showcasing fleet versatility... More Information

How Seequent's software solutions help to manage tunnelling data

The second phase of Singapore's Cross Island Line (CRL) metro project is under way, assisted by a suite of software from Seequent. Singapore's CRL is ... More Information

Muography to Transform Tunnel Safety Monitoring

Underwater bridge tunnels have become vital arteries for cities, enabling smooth vehicular passage beneath rivers, bays, and inland waterways. More than 200 of these structures operate ... More Information

10 longest tunnels in the world that reshaped global transportation

Modern tunnel construction involves sophisticated techniques, including tunnel boring machines and advanced geological surveying. The project ... More Information

Čučković: Construction of the tunnel boring machine for the Belgrade Metro in final phase

It is a good thing that we, for example, acquired these tunnel boring machines at a lower price than other countries... More Information

Serbia plans to borrow 2.5 billion EUR in 2026 for the construction of the Belgrade metro

It is also stated that two TBMs (tunnel boring machines), the so-called moles, have already been ordered and are expected to be delivered to ... More Information

VSM starts operation at Tilbury

The pioneering Vertical Shaft Sinking Machine (VSM) from Herrenknecht, named “Verena”, after Verena Holmes, a pioneering British mechanical ... More Information

Metrolinx reveals names of Ontario Line tunnel boring machines

Following a contest, Metrolinx has officially named its two massive tunnel boring machines Libby and Corkie... More Information

Montreal blue line metro tunnel boring machine has arrived, time to dig

It's basically building the backbone of the blue line extension,” said project chief Maha Clour, pointing out that crews have reached the bottom of ... More Information

Norway Unveils The World's Longest Road Tunnel In A Majestic Engineering Marvel

The construction cost broke down to about 38,000 NOK (roughly £3,500) per meter, an impressive figure considering the complexity and scale of the ... More Information

Sydney Metro West construction captured on video ahead of 2032 opening

Two giant tunnel boring machines have made their way through the deepest section of Darling Harbour as part of works on the new Metro West. More Information

Bengaluru's ₹18,000-crore tunnel road project inches closer as four major firms submit bids

Four firms bid for Bengaluru's ₹18000 crore tunnel project linking Hebbal to Silk Board, expected to ease city traffic by 2029 under a 34-year ... More Information

Webuild advances Rocchetta Tunnel excavation

Upcoming construction milestones. Webuild is preparing for the next major phase on the Apice–Hirpinia section: the launch of the reinforced concrete ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Kathmandu-Tarai Expressway achieves 43.3% progress

The total length of the seven tunnels under the project is 10.979 km. ... Construction progress for the Chandram Bhir tunnel. (2,250 metres) has ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Hong Kong: Robotics And AI Enhance Tunnel Construction

It is leveraging artificial intelligence (AI), robotics and automation to advance the Trunk Road T2 and Cha Kwo Ling Tunnel project. These ... More Information

Single-Bore Tunnel Method Chosen for BART Silicon Valley Phase II

This decision allows VTA to advance project design towards 60%, stay on a critical path to tunnel construction and meet the projected revenue service ... More Information

Boring Co. begins 'controlled blasting' for Nashville tunnel at TN capitol

The Boring Co. has started excavation work at a state-owned parking lot on Rose Parks Boulevard for the Music City Loop project Wednesday, Aug. 13, ... More Information

TBM arrives in Montreal for delayed metro extension project

A custom-built tunnel boring machine (TBM) has arrived in Canada for use on a 6km extension of the Montreal Metro... More Information

Spain Confirms Feasibility of €8.5 Billion Morocco-Europe Tunnel

The study was conducted by German company Herrenknecht, the world leader in tunnel boring machines, at the request of the Spanish government's ... More Information

TxDOT spends $748M to burrow bus-size tunnels under Central Austin

The first tunnel boring machine will be deployed near ... Industry experts say tunnel boring machines typically advance about 50 feet per day. More Information

6 TBMs on Duty on the 27-Kilometer Line in Körfezray

Two of the six Tunnel Boring Machines (TBMs) that will serve in the first 27-kilometer phase are actively excavating tunnels, while the ... More Information

Construction on HS2's Euston tunnel will start 'fairly soon', says rail minister

Construction on the HS2 tunnel from Old Oak Common station to Euston station will start “fairly soon”, the rail minister has said... More Information

Blue Line Extension TBM Arrives at Port of Montreal

Railway Track and Structures Construction site of the future Vertières station (Pie-IX) in June 2025. Caption and photo courtesy of STM. MONTREAL - The tunnel boring machine (TBM) ... More Information

Tunnel break through milestone for Mt Messenger Bypass project

A 110 tonne excavating machine, called Hinetūparimaunga, has broken through at the northern end of the project's 235 metre-long tunnel ... More Information

$3.9 billion tunnel and bridge link for VA

Costing around $3.9 billion, the Hampton Roads Bridge-Tunnel (HRBT) upgrade Expansion project for Virginia will improve traffic flow for a key ... More Information

Extended North Tunnel Flood Mitigation Project Receives $18.2 Million in State Funding

The funding advanced by the board includes a $17.2 million loan and $1 million grant for the construction of the mile-long tunnel, which will divert ... More Information

Gateway Project faces new uncertainty amid government shutdown

Federal funding for the $16B Hudson Tunnel Project, aka Gateway, has been paused during the government shutdown, sparking political backlash. More Information

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