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Giant HS2 TBM cutterhead’s impressive journey back to start second dig in Warwickshire

After HS2’s first tunnel breakthrough by TBM Dorothy at the south portal site in July this year, the front part of the TBM has been dismantled and transported back to the tunnel’s ... More Information

KonNx launched in the UK

Launched this year, KonNx UK is a subsidiary of AusProof Pty Ltd, the original equipment manufacturer of electrical cable couplers and components. Providing greater accessibility to the KonNx ... More Information

Cross Island Line Phase 2

The Land Transport Authority (LTA) at Singapore announced the alignment and station locations of the Cross Island Line Phase 2 (CRL2) from Bright Hill to Jurong Lake District.   CRL2 is ... More Information

Central Interceptor TBM begins historic tunnelling under Manukau Harbour

Central Interceptor TBM begins historic tunnelling under Manukau Harbour

Last week the TBM EPB Hiwa-i-te-Rangi, involved in the construction of the 14.7-km-long and 4.5m diameter wastewater tunnel from Grey Lynn to Māngere Wastewater Treatment Plant at Auckland, started ... More Information

WTC2023 – Full Paper Submission process will remain open until September 30, 2022

WTC2023 – Full Paper Submission process will remain open until September 30, 2022

The paper submission process is currently underway. Authors with accepted abstracts have already received the link for full paper submission. You may also access the online paper submission form ... More Information

Impreservice srl has expanded the EASY click SMART family

Impreservice srl has expanded the EASY click SMART family

Press  release - Impreservice srl, who were at the WTC 2022. in Copenhagen have expanded the EASY click SMART family with two new variations.    The first is the high ... More Information

Nye Veier recommends a western route for the E6 Nedgard – Toset

Nye Veier recommends a western route for the E6 Nedgard – Toset

Nye Veier - after an evaluation of several route alternatives for the E6 section Nedgard - Toset within the planning area - has chosen two preferred alignments that have been put forward for ... More Information

Sydney Metro West to tunnel under Sydney Harbour

Sydney Metro has received the green light for tunnelling between The Bays and Sydney CBD, completing plans for the 24 km of twin tunnels from Westmead to Hunter Street in the Sydney ... More Information

Rail tunnel to be extended for North East Link

Major works are underway to get ready for construction of the twin 6.5 km North East Link Tunnels to finally fix the missing link in Melbourne’s freeway network.   When North East ... 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

Metro Alger line 1 - first section complete

On 07/09/2022 TBM Kahina broke through into an extraction shaft: click here for the video. This goal successfully concludes the first tunnel Oued Smar –Airport section, 5808 m long, of the ... More Information

Final breakthrough for TBM Dame Whina Cooper

Final breakthrough for TBM Dame Whina Cooper

In the early evening of the 14/09/2022 TBM Dame Whina Cooper (weight 910 t, length 130m and diameter 7.15m) reached the Te Waihorotiu Station (Aotea) completing the second tunnel of the Auckland's ... More Information

Final breakthrough for TBM Dame Whina Cooper

In the early evening of the 14/09/2022 the TBM Dame Whina Cooper (weight 910 t, length 130m and diameter 7.15m) reached the Te Waihorotiu Station (Aotea) completing the second tunnel of the ... More Information

A303 Stonehenge Updates

In response to the Secretary of State’s letter dated 26 August 2022 inviting comments on the Final Report on the joint World Heritage Centre / ICOMOS / ICCROM Advisory Mission to ... More Information

TfL Press Release - Tunnelling underway for new river crossing at Silvertown

Tunnelling of the new public-transport focused river crossing at Silvertown is now underway, Transport for London (TfL) and Riverlinx have confirmed. The 1.4km Silvertown Tunnel will link ... More Information

Pr. Arnold Dix elected ITA President Copenhagen

Pr. Arnold Dix elected ITA President Copenhagen

Professor Arnold Dix has been elected as the new International Tunneling and Underground Space Association President during the association’s 48th General Assembly held in Copenhagen. He ... More Information

Tunnel to ONT Project Takes Initial Steps Forward

At a September 7th meeting, the SBCTA Board of Directors took the initial steps to move forward with the Tunnel to Ontario International Airport (ONT) project in San Bernardino County (California). ... More Information

Call for papers for PIARC’s World Road Congress 2023

The XXVIIth World Road Congress of PIARC Int’l will take place at the Prague Congress Center (PCC) from 2 to 6 October 2023. The Congress theme will be " Together on the Road again". PIARC is ... 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

First breakthrough in the Lonato tunnel on the HS/HC railway line Brescia Est - Verona

Press release - At the Desenzano del Garda (BS) construction site, TBM Martina (diameter 10 m) completed the first 4751 m of the Lonato tunnel part of the new High Speed / High Capacity railway ... More Information

TERRATEC EPBM breaks through in Thailand helping Samui Island keep its title as a top Asian tourist destination

TERRATEC EPBM breaks through in Thailand helping Samui Island keep its title as a top Asian tourist destination

TERRATEC is proud to announce the completion of Samui Island Water Tunnel Project in Thailand. The tunnel was completed using a refurbished TERRATEC 3.2m diameter Earth Pressure Balance Tunnel ... More Information

Emissions application for the E134 Oslofjord connection under consultation

The Norwegian Public Roads Administration has applied for a permit under the Pollution Act for emissions during construction of the E134 - Oslofjord connection, construction stage 2.  In ... More Information

Milestones achieved on London Power Tunnel 2 project

Two months and two milestones for National Grid team members and the Hochtief Murphy Joint Venture (HMJV) for the London Power Tunnels  2 (LPT2) project.   On the 23/07/2022 the ... More Information

Innovative Design Suggestions Surface for BART Silicon Valley Phase II

On 26/08/2022 a joint committee of VTA and BART Board members will discuss the evolving design of the VTA’s BART Silicon Valley’s extension project into San Jose and Santa Clara: click ... More Information

Strata Worldwide Acquisition Boosts Its Safety and Proximity Detection Portfolio

Strata Worldwide Acquisition Boosts Its Safety and Proximity Detection Portfolio

Press Release - [ATLANTA, GEORGIA, USA] – Strata Products Worldwide LLC, a global leader in industrial communication and safety products has acquired the assets and intellectual property ... More Information

Patna metro - underground works begin

This month  the Chief Minister of Bihar Nitish Kumar and Deputy Chief Minister Shri Tejasvi Yadav inaugurated the underground work for the Corridor-2 of Phase-I of the 30.91 km subway in ... More Information

Lower Thames Crossing - Two Meet the Bidder events

Businesses interested on working on the Lower Thames Crossing are being offered an exciting opportunity to meet with the Main Works Bidders, currently competing for the three Main Works ... More Information

HS2 completes first tunnel cross passages

Press release - As the TBMs Florence and Cecilia under the Chilterns approach the 6.5km (4-mile) mark, HS2 completed the first of 38 bypasses - to be used in emergencies - between the northbound and ... More Information

Green light for Suburban Rail Loop East

The Suburban Rail Loop (SRL) East project in Melbourne reached a significant step closer following Ministerial endorsement of key recommendations made by an independent planning ... More Information

E6 Ranheim-Værnes project - excavation of the Hell tunnel is now complete

Earlier this month Nye Veier and Acciona marked the breakthrough of the new 3.9-km-long Hell tunnel for the E6 Ranheim-Værnes project. The tunnel excavation used the drill&blast method and ... More Information

The HRBT Expansion Project - August Updates

The HRBT Expansion Project - August Updates

Construction is underway across all 16 km/10 miles of the HRBT Expansion Project. Over the past four weeks there has been recognizable progress on the South Island for the HRBT Expansion Project . ... More Information

KonNx / AusProof – Global Leader in Low & High Voltage Cable Couplers

Launched this year, KonNx UK is a subsidiary of AusProof Pty Ltd, the original equipment manufacturer of electrical cable couplers and components. Providing greater accessibility for the KonNx ... More Information

TBM RECOVERED FROM SEABED OF THE ARABIAN GULF - IN ONLY 4 DAYS!

Press release - In the middle of July, something incredibly extraordinary took place in the Arabian Gulf, off the coast of Kuwait. The Emergency Sea Outfall - one of the world’s largest and ... More Information

TBM Rexy joins Renny in tunnelling the Eglinton Crosstown West Extension

TBM Rexy joins Renny in tunnelling the Eglinton Crosstown West Extension

Metrolinx reached another milestone for the Eglinton Crosstown West Extension with the second TBM, named Rexy, starting the journey from Renforth Drive to Scarlett Road. The second tunnel for the ... More Information

Read the latest news from TLT Turbo

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

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

Tunnelling News

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

Tunnel Boring Machine Emily Passes Key Factory Test for DC Water Potomac River Tunnel Project

Tunnel boring machine (TBM), Emily. This test confirms that Emily is ready to begin excavating the southern leg of the Potomac River Tunnel — a ... More Information

Sydney Metro West achieves world-first in tunnelling technology

Sydney Metro West has achieved a world-first in tunnel construction with a Lining Erector Machine (LEM) successfully being used to line the mined ... More Information

Gateway construction continues despite Trump's claim of termination

Tutor Perini, the general contractor on the Manhattan Tunnel Project, confirmed construction activity is currently continuing as planned... More Information

Tunnelling complete for Annacis water supply project

Metro Vancouver has completed the tunnelling phase of the $450 million Annacis Water Supply Tunnel, which will complete in 2028... More Information

Santa Clara VTA confirms single tunnel plan for BART extension

With VTA now owning the tunnel boring machine, the agency assumes full responsibility for its performance, agency officials said. To manage the risk, ... More Information