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Sydney Metro West Mega Machines Touchdown at Sydney Olympic Park

Sydney Metro West Mega Machines Touchdown at Sydney Olympic Park The construction work to deliver the 24-km new Sydney Metro West railway power ahead. The mega project has recently achieved a slew ... More Information

Spotlight on Scandinavian Infrastructure: A Massive Opportunity on the Horizon

Press release - The Norwegian Public Roads Administration has announced a landmark project—the construction of the E134 Oslofjord connection, Stage 2. With a contract value estimated at NOK ... More Information

Snowy 2.0 confirms 4th TBM

A new tunnel boring machine will be deployed to help keep Snowy 2.0 on its delivery timeline, subject to approval by the NSW Department of Planning, Housing and Infrastructure. New ground testing ... More Information

Registration for WTC2025 is now open

The registration for the World Tunnel Congress 2025 in Stockholm is now open. In less than a year, WTC2025 will take place at Stockholmsmässan in Stockholm. Join WTC2025 to connect with ... More Information

TBM breaks ground in Watsonia for North East Link

The first of two massive TBMs - 90 m long, 15.6 m high, and 4000 t weight - has begun digging the 6.5 km twin road tunnels between Watsonia and Bulleen that will take 15,000 trucks off local roads ... More Information

Reusing dirt and rock as we build the North East Link tunnels

The TBM involved in the construction of the 6.5km North East Link road tunnels will excavate around 5 million tonnes of very deep underground dirt and rock: natural material that can be ... More Information

Breakthrough on Two Lines and First Connecting Passage of the Guangzhou Haizhu Bay Tunnel

Press release - On July 15th, the Guangzhou Haizhu Bay Tunnel project achieved a significant milestone with the successful breakthrough of both tunnel lines. This project marks the construction of ... More Information

Join Mapei’s Underground Technology Team for an Exciting Event at Our Mapei World London City Showroom

📅 Date: [Thursday 22nd AUGUST] 🕒 Time: [2 PM- 6 PM] 📍 Location: [Mapei World London City Showroom, 6 Great Sutton Street, London, EC1V ... More Information

PRESS RELEASE - We’re half way there! HS2’s Northolt Tunnel under the capital is 50% complete

Quartet of tunnelling machines boring the Northolt Tunnel between West Ruislip and Old Oak Common station have built half of the tunnel New video and images shows the unstoppable momentum of the ... More Information

TBM Ida completes 4 Km of the westbound tube of the Brenner Base Tunnel, H41 Lot

On 22 July, the TBM Ida celebrated the excavation of the first 4 km - out of its total 8.4 km - of the westbound line tunnel to the south at the Austrian H41 Sill-Pfons Gorge construction site. The ... More Information

TERRATEC Open TBM successfully breaks through on Mumbai's Ambitious Water Transfer Tunnel

TERRATEC celebrated a significant milestone in Mumbai’s ongoing water infrastructure development with the breakthrough of a 3.2m diameter Open TBM used by Contractor Soma Enterprise Limited on ... More Information

FAT passed for TBM 1412 to be involved in Palermo-Catania Railway Lot 1+2

The TBM 1412, an EPB with a diameter of 9.48 m, set to excavate Fiumetorto - Lercara Diramazione section (Lot 1+2), as part of the Palermo-Catania-Messina railway line project, has successfully ... More Information

Changsha Xiangya Road River-crossing Tunnel Is Opened to Traffic

On July 5th, Changsha Xiangya Road river-crossing tunnel was opened to traffic. The tunnel is the largest diameter shield machine tunnel in Hunan Province, China. The opening of the tunnel will ... More Information

Italy - Three new TBMs launched on the Naples-Bari and Catania-Messina Railway Lines

The works of RFI-Rete Ferroviaria Italiana (Leading Company of the FS Group Infrastructure Hub) for the major projects in Southern Italy continues at full speed. On 23 July the launch ceremony of ... More Information

Six contractors prequalify to build the new Roldal tunnel on the E134 in Norway

The following six contractors have asked to be prequalified to build Norway's fourth longest road tunnel, the single-tube 12.4km Roldal tunnel on the E134, which is one of the main connections ... 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

Fehmarnbelt Link updates

The construction of the 18 km Fehmarnbelt tunnel - between Rødbyhavn on Lolland and Puttgarden on the island of Fehmarn - formally began at the beginning of 2021 east of Rødbyhavn. The ... More Information

HSR Asia 2024

HSR Asia 2024 is a comprehensive 2-day programme that aims to explore the transformative benefits of high-speed rail, focusing on its impact on the environment, economies and societies. The ... More Information

Implenia wins contract for large, complex inner-city railway project in Gothenburg, Sweden

Press release - Contract to build a section of the “West Link” scheme, including railway tunnel and station, that will improve mobility in Gothenburg and western Sweden | ... More Information

Australia - Preferred bidder announced for second tunnelling contract of Suburban Rail Loop (SRL) East

Consortium Terra Verde - composed of Webuild (leader), GS Engineering & Construction of South Korea’s GS Group and Bouygues Construction Australia of France’s Bouygues - is the ... More Information

Billion dollar Gateway Tunnel Project Secures Federal Funding

Press release - After years of political wrangling and logistical setbacks, the $16 billion Gateway Tunnel Project, a critical infrastructure initiative aimed at improving the rail connection ... More Information

Preferred bidder announced for second tunnelling contract

Press release - Consortium Terra Verde is the preferred bidder for the second SRL East tunnelling contract to build the 10km of twin tunnels between Glen Waverley and Box Hill. The global ... More Information

TBMs nearly ready to dig Victoria's longest road tunnels

The 2 TBMs that will dig the North East Link road tunnels are a step closer to starting digging. The TBM cutterheads have been lowered into place in Watsonia. Next, the TBMs will be tested and ... More Information

First TBM Breakthrough for the Greater Cairo Metro Line 4 Project

On the 1st of July, Hassan Allam Construction celebrated the first successful TBM breakthrough for the Greater Cairo Metro Line 4 Project-Phase 1 from Station 6 to Station 7. Click here for the ... More Information

Brazil - Breakthrough at the Analia Franco station of the São Paulo Line 2 extension

On 27 June, the TBM Cora Coralina, broke through at the Analia Franco station, the second TBM for the extension from Vila Prudente to Penha of the São Paulo Metro Line 2-Green. The TBM - ... More Information

Western Sydney Airport metro tunnels complete

Press release - Greater Western Sydney is now home to landmark new 9.8-kilometre twin metro railway tunnels, with major tunnelling officially complete on the city-shaping Sydney Metro – ... More Information

TERRATEC EPBM to build Klong Saen Saeb Drainage Tunnel in Thailand

A new TERRATEC TBM will take part in the Klong Saen Saeb Drainage Tunnel Project in Thailand. TERRATEC celebrated the successful Factory Acceptance Tests of a new 4.27m diameter Earth Pressure ... More Information

USA/California - Caltrans Selects Tunnel Alternative for Last Chance Grade Project

Last Chance Grade (LCG) is a 4.83 km (3-mile) segment of US 101 just north of Wilson Creek, between Klamath and Crescent City. Landslides and road failures have been an ongoing problem for decades ... More Information

LEEA Builds #GLAD2024 Content to Finale

Press release - The Lifting Equipment Engineers Association (LEEA) has revealed more plans for Global Lifting Awareness Day (GLAD) on 18 July. A multidimensional campaign has been running since the ... More Information

VTA Celebrates its West Portal Groundbreaking Milestone for BART Silicon Valley Phase II Extension Project

On Friday, June 14th Santa Clara Valley Transportation Authority (VTA) held a historic ground breaking ceremony to mark the start of construction of its West Portal facility. This is the site where ... More Information

June updates for BBT

Press Release - H53 Pfons-Brenner construction site: the first segments reach the construction site The two TBMs Wilma and Olga - which from September 2024 will dig and line the twin tube 7.5km ... More Information

CM Lafer Srl equipment for new Himalayan railways in India

Italian company CM Lafer Srl in collaboration with Indian company Eurostar Engineering Pvt-Ltd has completed the supply of 30 formworks for in-situ final lining of tunnels excavated with NATM system ... More Information

Italy/Trentino-South Tyrol – Work has started on the southern entrance to the Trento railway bypass

Work continues on the construction of 13 km (Lot 3A) of the new railway line - almost entirely underground – linking to the future Brenner Base Tunnel. The new infrastructure will begin from ... More Information

MTBM Victoria completes its digging for Central Interceptor Project at Auckland

Victoria, the smallest of the three TBMs working on Watercare’s Central Interceptor project, has completed her micro-tunnelling work beneath Auckland and joined Domenica at the finish ... More Information

Switzerland – Inauguration of the new Albula railway tunnel

On Saturday 8th June 2024 - at the Preda portal at 1,800 meters above sea level - the Rhaetian Railway (RhB) officially inaugurated the new Albula railway tunnel (5860 m). The ... More Information

Brenner Base Tunnel update

Every year BBT organises an Open Day for the Brenner Base Tunnel project. They take place at the Austrian construction site H41 Sill-Pfons Gorge, and at the construction site of the Eisack ... More Information

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Tunnelling News

Monica Breaks Ground on Snowy 2.0

Monica the tunnel boring machine, with the renewable energy mega-project now more. TBM Monica is among the world's most advanced tunnel boring machines... More Information

Snowy 2.0 sets new tunnel boring machine to work, completes 46 underground concrete pours

Snowy 2.0 has set to work a fourth tunnel boring machine, a $75 million piece of drilling equipment purpose built to complete excavation of the huge pumped hydro project’s “geologically ... More Information

World's 'largest' underground assembly of tunnelling machines happening beneath Sydney

Workers are craning into place about 167 major pieces that will form the first of two giant boring machines. Once assembled like giant Meccano sets, ... More Information

Tunneling Begins on Major Water Pipeline for South Hillsborough

TAMPA, Fla. — Tampa Bay Water has begun construction on a major underground pipeline project aimed at meeting rising water demand in southern Hillsborough County, where population growth ... More Information

The massive £3billion tunnel designed to connect two continents under the sea

The construction of a huge underwater multi-tiered tunnel is underway in Turkey, that will create a direct route from Asia to Europe - and is expected to carry 1.3 million passengers a ... More Information

Riederwald Tunnel in Frankfurt is further delayed

Traffic was supposed to start flowing through the controversial Riederwald Tunnel in Frankfurt in 2033. But that's unlikely to happen. The €1.5 billion project is facing further delays – ... More Information

What happens to our metro tunnel boring machines when they hit the end of the line?

These mechanical behemoths were Betty and Dorothy, the tunnel boring machines tasked with digging the Sydney Metro West tunnels. Loading. The ... More Information

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

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