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First km for TBM Futura on the Naples-Bari HS/HC railway line

The TBM Futura, with a diameter of over 12 m, completed the excavation of the first kilometre of the Rocchetta tunnel (6.5 km). This is part of the first functional lot Apice-Hirpinia of the ... More Information

Two breakthroughs for the Rishikesh-Karnaprayag railway line in India

The construction works are progressing at full speed - on behalf of RVNL, Rail Vikas Nigam (the railways of India) – for the new 125 km Rishikesh-Karnaprayag railway line, 125 km long (105 ... More Information

HS2 TBM Sushila removed following Northolt tunnel excavation

Following its 8 km (5-mile) drive underneath the capital, HS2 lifted TBM Sushila out of the ground at the Green Park Way site in Greenford, West London. The cutterhead, ... More Information

ITA Tunnelling Awards 2025

The international competition "the ITA Tunnelling Awards" seeks and rewards the most ground-breaking innovation and outstanding projects in tunnelling and underground space ... More Information

Romania - First TBM of Bucharest metro line 6 under assembly

In the launch pit of the future Tokyo station of the M6 line of the Bucharest metro, assembly work is proceeding at a rapid pace on the TBM that from April will dig 24/7 one of the tunnels of the ... More Information

National Grid secures planning approval for Grain to Tilbury project

National Grid has received full planning approval for the Grain to Tilbury project from Thurrock Council in Essex and Gravesham Borough Council in Kent, a key milestone in strengthening the ... More Information

Mapei workshop - Injection systems for construction repair and soil consolidation

Press release - On 13 March at 10:00 a.m. the 1st edition of the workshop “Injection systems for construction repair and soil consolidation” will be held at Dorcol Platz, Belgrade. ... More Information

TERRATEC celebrates breakthrough on Delhi Metro Phase-IV Project

TERRATEC's EPBM achieved a breakthrough in the Delhi Mass Rapid Transit System Project - Phase-IV, Contract DC-08 for the Delhi Metro Rail Corporation Limited in ... More Information

First kilometre for Wilma, the Austrian TBM advancing north

While Flavia is only 300 m from its final destination and Ida has already passed the Werner fault zone, the TBM Wilma reached its first kilometre of excavation at 10:40 on Sunday 2 March after ... More Information

TBM breaks through at Cat Linh Station for Hanoi Metro Line 3

On March 7, 2025, the TBM ‘’Thanh Toc’’ - which was launched at the end of July 2024 from the S9 - Kim Ma station at a depth of 17.8 m - reached the S10 - Cat Linh station, ... More Information

Sydney Metro West tunnels enter the final stretch as TBMs advance towards Parramatta

Two TBMs constructing the 24-km twin metro railway tunnels for Sydney Metro West have broken through solid rock walls to arrive at the junction caverns 24-m below the surface at Clyde. This latest ... More Information

WTC2026 - Call for Abstracts will be open today March 3, 2025

The call for abstracts for the World Tunnel Congress 2026, which will take place from May 15 to 21 in Montreal, Quebec, Canada, open today 3 March 2025 Don’t miss the ... More Information

Stad ship tunnel: Four contractors have been prequalified

Four of the six contractors applied for prequalification to construct the Stad ship tunnel have been qualified to submit bids. The contractors advancing are: ... More Information

HS2 - Construction milestone at Long Itchington Wood Tunnel

HS2 has announced a significant milestone at Long Itchington Wood tunnel in Warwickshire – the first deep tunnel on the high-speed route to complete its civil engineering ... More Information

BBT - TBM Flavia is getting closer to its goal

The TBM Flavia, length 200 m and weight 2750 t - launched in April 2019 – which has advanced with a driving power of 4200 kW under a rock cover of over 1200 m. The TBM has now completed the ... More Information

Excavation of the Saginara tunnel on the new AV/AC Salerno-Reggio Calabria line has begun in Italy

Today, Friday 21 February in the Municipality of Campagna (SA), the first TBM was launched for the Saginara tunnel excavation on the Battipaglia - Romagnano section (Lot 1A), This project is 35 km ... More Information

West Gate Tunnel Project - Make your mark and name your twin tunnels!

You are invited to help name the West Gate Tunnel Project’s twin tunnels that will shape the future of travel for Melbourne’s west. As part of the Tunnel naming competition, you have the ... More Information

Chinese-made TBM Exported to the Solomon Islands for the First Time

On February 17th, the TBM Shuangjing No.1 with an excavation diameter of 4.48 m came off the production line at the second industrial park of China Railway Construction Heavy Industry Corporation ... More Information

TBM Breakthrough for the parallel Thimble Shoal Tunnel

The Parallel Thimble Shoal Tunnel Project at the Chesapeake Bay Bridge-Tunnel reached a significant milestone on Monday, January 27, 2025 when the Herrenknecht TBM Chessie - measuring 13.26 m (43.5 ... More Information

Swiss Tunnel Day

The Swiss Tunnel Day (STDay) will take place for the first time in Biel on the 12th June 2025. This new format will allow participants to learn about and discuss the most important and recent ... More Information

Launched two TBMs for the Second Gotthard tunnel

In Airolo (Ticino), the Marti 2TG Consortium—comprising Marti Tunnel AG, Mancini & Marti SA, and Ennio Ferrari Impresa Generale SA—launched TBM Paulina. This Single Shield TBM has a ... More Information

Dubai Strategic Sewerage Tunnels (DSST) project

Dubai Municipality is preparing to launch the tender process for the initial two packages of the $22 billion Dubai Strategic Sewerage Tunnels (DSST) project. According to previous reports by ... More Information

Italy/Veneto – Completion of the San Martino Buon Albergo Tunnel Excavation on the HS/HC Verona-Vicenza Line

The excavation of the San Martino Buon Albergo tunnel, a key structure on the HS/HC Verona-Vicenza railway line, has been successfully completed. The tunnel, located in San Martino Buon Albergo in ... More Information

Sydney Metro – Western Sydney Airport: Celebrating the completion of tunnelling and excavation

Sydney Metro – Western Sydney Airport (SM–WSA) has reached a significant milestone, with all major tunnelling and excavation work for the project now completed, including 9.8 kms of ... More Information

Breakthrough for Kanpur metro line 2 in India

On 23/01/2025 the KPIL and Gulermak joint venture achieved a significant milestone for the Kanpur metro line 2, KNPCC-11 package. The TBM EPB Gomati which is 6.6m diameter and built by ... More Information

Six contractors set to bid for Stad ship tunnel in Norway

The following six contractors - two from Norway, one from France, one from Spain/Norway, and two from China - have expressed interest in the construction of the Stad ship tunnel: Joint ... More Information

Italy/Trentino Alto Adige – Good progress on the construction of the Castelbello-Colsano ring road

The construction work on the 3.36 km Castelbello-Colsano ring road, 2,494 m of which are in tunnels, is proceeding at a rapid pace, with the aim of ensuring its completion by the end of the ... More Information

Philippines - DPWH Accelerates Davao City Bypass Construction Project

The Department of Public Works and Highways (DPWH) is advancing steadily on the 45.5km Davao City Bypass Construction Project (DCBCP). The P13.230 billion DCBCP Contract Package I-1 - awarded ... More Information

TERRATEC 3.2m Diameter Open TBM ready for CIDCO Fresh Water Tunnel Project in Maharashtra

TERRATEC is pleased to announce that its 3.2m diameter Open TBM is ready to commence work on the City and Industrial Development Corporation (CIDCO) Fresh Water Tunnel Project in Maharashtra. This ... More Information

Press release - Registration for WTC 2025 is open!

Secure your spot today and by registering before the 31st of January you can take advantage of our early bird rates. While planning your visit, book your accommodation early and start ... More Information

BBT - New milestones for TBM Ida

Since May and June of 2023, the two TBMs Lilia and Ida have been working southwards on the Austrian H41 Sill Gorge-Pfons construction site of the BBT project. The excavation work is being ... More Information

Be a part of extending the Stockholm metro! Registration open for Supplier Day 2025

Region Stockholm’s Extended Metro Administration invites you to the digital supplier day with focus on upcoming procurements in connection with the expansion of the yellow metro line, between ... More Information

Philippines – Camp Aguinaldo TBM launched for Metro Manila Subway Project

The Metro Manila Subway Project (MMSP) continues to gain traction as the Department of Transportation (DOTr) and Armed Forces of the Philippines (AFP) launched on January 16th the operations for the ... More Information

Italy/Liguria - Ministry of the Environment approves VIA of the Val Fontanabuona tunnel

On January 10, 2025, the Ministry of the Environment approved with requirements the VIA (Environmental Impact Assessment) of the final project for the construction of the ... More Information

France – News from Toulouse metro line C

On Friday 20 December 2024 - in the presence of the authorities - Lise Enjalbert, the fifth and final TBM of the Toulouse metro Line C, was lowered into the shaft of the future Ponts-Jumeaux ... More Information

North East Link Tunnel Reaches The One Kilometre Mark

Tunnelling is powering ahead on the Allan Labor Government’s North East Link – with the first of two 4,000 t TBM having tunnelled more than one kilometre. The TBMs Zelda and ... 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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