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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

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

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

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

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 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

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

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

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

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

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Tunnelling News

The incredible £2.8bn underwater tunnel connecting Europe and Asia

A huge new tunnel will connect Europe and Asia - and construction has already started. The Great Istanbul Tunnel is a major project. It will carry ... More Information

China develops "smart brain" for tunnel boring machines to boost underground construction

A team from Hunan University in central China has collaboratively developed an intelligent operating system for tunnel boring machines, giving these massive underground giants a "smart ... More Information

How China rescued highway project under Yangtze River

The incident occurred in February 2023 during construction of the 6.4-kilometer Jiangyin–Jingjiang Yangtze River Tunnel. Midway through excavation, at ... More Information

HS2 final tunnel drive to Euston starts next week

A team from SCS will drive a 4.5-mile twin-bore tunnel linking Old Oak Common to Euston using two tunnel boring machines, Karen and Madeleine. More Information

Work begins on £48M Knutsford sewer upgrade featuring 1.8km stormwater tunnel

Sean Reid, United Utilities county business lead for wastewater in Cheshire said: “This project highlights our ongoing commitment to improving water ... More Information

$14.6M boost moves Gering–Fort Laramie Canal Tunnel project forward

After nearly six years of planning, construction is moving forward on the Gering–Fort Laramie Canal tunnels... More Information

Webuild: second breakthrough at Trebisacce Tunnel along Jonica State Road 106

Project will help transform Jonica State Road 106 into a strategic corridor linking Ionian coasts of Calabria, Basilicata and Puglia... More Information

Ground preparation for Lower Thames Crossing tunnelling

Work is ongoing to overcome sub-optimal ground conditions in preparation for the start of tunnelling on the Lower Thames Crossing in late 2028, according to the project’s tunnels director... More Information

LA Metro approves massive $25B underground rail line to bypass 405 Freeway

The LA Metro Board unanimously approved an underground heavy rail line to connect the San Fernando Valley and the Westside, bypassing the congested 405 Freeway. The nearly 13-mile route, ... More Information

TUNNEL VISION Mega £7.4bn undersea tunnel connecting two CONTINENTS just got one step closer

A MAJOR £7.4 billion underwater tunnel connecting two continents has taken a step closer to construction. Experts have said the 24-mile tunnel is “technically viable”, paving the way for ... More Information

TBM breakthrough in Sydney

Tunnel boring machine (TBM) Jane Starkey successfully completed her 1.2km underground journey through challenging Sydney sandstone... More Information

Hochul announces $25 million for Harlem crosstown subway tunnel design

At E. 120th St., a pair of tunnel-boring machines — currently under construction in Germany — will bore new, 8,400-foot tunnels north from the end ... More Information

Tunnelling under the Yarra River

Our two Tunnel Boring Machines (TBMs) will soon be travelling underneath the Yarra River... Approximately 300 metres of the 6.5 kilometre North East Link will be under the Yarra ... More Information

The Boring Company says its tunneling machine is 'ready to mine in Nashville'

The Music City Loop project is aimed at transporting people from Nashville International Airport to Lower Broadway in roughly 10 minutes. By Li ... More Information

Norway Is Building the World's Longest and Deepest Tunnel Beneath the Sea

The Rogfast project, short for Rogaland Fixed Link, is an underwater road tunnel being built beneath Norway's fjords as part of the E39 coastal ... More Information

Future engineers become 'TBM Captains' for Suburban Rail Loop

Tunnel Boring Machines (TBMs) that will begin work this year. The tour of the eastern tunnel entrance was part of a long-term initiative, with ... More Information

Image gallery: Civil works completed on HS2's longest tunnel

Main construction on the Buckinghamshire structure began in May 2021 with the launch of two 2,000-tonne tunnel boring machines (TBMs), named Florence ... More Information

The Boring Company Launches Free Tunnel Contest: AI Applications for Smart Infrastructure

According to Sawyer Merritt on Twitter, The Boring Company has announced a contest to build a one-mile tunnel for free, inviting proposals for ... More Information

Out of sight: spectacular HS2 tunnels offer glimmer of hope for stalling project

Despite much soul-searching over UK’s inability to build infrastructure, two sections of HS2 under Chilterns are being hailed for their engineering... More Information

HS2 January 2026 update

We’re making progress building the main infrastructure for the new line. We’ve completed 80% of tunnelling and are working on major bridges, viaducts and embankments, and HS2’s new ... More Information

Implenia Secures EUR 350 Mln Projects For Bridges, Tunnel Works In Germany

Tunnel to join motorway sections and connecting roads. The Swiss construction and real estate company said the Peene Bridge project in Wolgast, ... More Information

Incredible new $7.9bn mega rail and road tunnel to be the world's longest

The safety of our workers is of utmost importance during the construction of the Fehmarn Belt Tunnel. We will await the findings of the ... More Information

TBM launch from Rukanpura soon as metro work gains pace

The tunnel boring machine (TBM) for the underground network is likely to be launched from Rukanpura on Bailey Road, which falls under Corridor I ... More Information

World's largest-diameter boring machine used for Yangtze River railway tunnel

China's domestically developed, world's largest-diameter vertical shaft boring machine 'Qiming' was officially put into operation in Taicang City ... More Information

HCMC approves sea-crossing route with undersea tunnel between Can Gio and Vung Tau

Ho Chi Minh City has approved a strategic proposal by Vingroup to construct a direct sea-crossing road connecting the Can Gio coastal urban area with Vung Tau beach town, cutting travel ... More Information

Changi Airport’s new underground link to take passengers from future T5 to T2 in 4 minutes

SINGAPORE – Passengers at the future Changi Airport Terminal 5 can expect to reach Terminal 2 in four minutes via the airport’s new underground link... More Information

SRL inspires TBM Captains - Victoria's Big Build

Tunnel Boring Machine (TBM) Captains. When SRL East opens in 2035 ... Construction of SRL East is powering ahead, with more than 3000 people ... More Information

Beneath winter's fjords: 17 miles of rock, 1300 ft deep

Rogfast tunnel construction beneath Norway's winter fjords, 17 miles long and 1,300 feet deep,. Credits: Ground Engineering. For years, the E39 ... More Information

Massive Sinkhole Opens Near $26 Billion Tunnel Project in Melbourne

A massive sinkhole has suddenly opened up in Melbourne near a major highway tunnel construction site, sparking safety fears and halting ... More Information

The world's longest expressway tunnel: China's Tianshan Shengli Tunnel

At the same time, the project also implemented China's first 'three-tunnel parallel construction' plan, which increased the number of workfaces. At ... More Information

'Not really where you want to be': Ground preparation for Lower Thames Crossing tunnelling

The Lower Thames Crossing is a major new road and tunnel project in the UK, intended to alleviate congestion at the Dartford Crossing and enhance. More Information

Funding problems affect metro line extensions

In the Athens metropolitan area, construction of Line 4 is continuing, with the Avax-Ghella-Alstom consortium saying the two tunnel-boring machines ... More Information

Transport Minister inspects progress on Cairo Metro Line 4 phase one

Four tunnel boring machines (TBMs) are in operation—two in each direction. According to the project timeline, the first TBM has reached the Grand ... More Information

Here's what happened with Toronto's Scarborough Subway Extension in 2025

SSE tunnelling, which began in January 2023, is being carried out with the largest tunnel boring machine (TBM) ever used on a Canadian transit project ... More Information

NHAI connects Tunnel No. 4 on Shimla bypass

NHAI PIU Shimla Project Director Anand Kumar, Bharat Construction ... The tunnel was constructed using the New Austrian Tunnelling Method (NATM) ... More Information

Mumbai-Ahmedabad Bullet Train Update: Palghar Tunnel Breakthrough Achieved

NHSRCL Bullet Train Project | India First Bullet Train Update: Last year, the Ministry of Railways achieved a breakthrough in the construction of ... More Information

Main tunnel works connecting future Changi Airport T5 to existing T2 completed

Main tunnel works connecting the future Terminal 5 to the existing Terminal 2 are completed, as the Changi East development gathers pace... More Information

Testing completed on Hudson River Tunnel boring machines

The project calls for construction of 9 miles of passenger-rail track between New York ... More Information

World's longest motorway tunnel finally opens in £3BILLION project

The Tianshan Shengli (Victory) Tunnel, located in the Tianshan Mountains of Xinjiang, China, measures some 22 kilometres – roughly 13.75 miles – and ... More Information

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