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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

Deutsche Bahn awards contract for Munich S-Bahn project

The contract involves structural works for the expansion, including the construction of tunnels and an underground station. The Tunnel Ostbahnhof JV, ... More Information

Excavation completed on Italian side of Brenner Base Tunnel

The tunnel boring machine (TBM) named “Flavia” successfully bored through the Alps beneath the Mules 2–3 section, reaching the Austrian border. More Information

Giant tunnel borer set for Shantou Bay project

A giant tunnel boring machine has been installed for tunnelling under Shantou Bay in Shantou, South China's Guangdong province. [Photo provided to ... More Information

€0.4bn road and tunnel project in Georgia

Work is proceeding on the Kvesheti-Kobi road and tunnel scheme in Georgia. The scheme is part of a larger project, being carried out with Chinese ... More Information

Lahore to transform with Rs49 billion tunnel boring project

Pakistan, April 27 -- The federal government has approved Lahore's Rs49 billion Tunnel Boring Project, marking a major development for the city... More Information

Construction at Cleveland Hopkins International Airport

The 2,100-foot-long tunnel connects the terminal to parking facilities and the tramway leading to the RTA public rail line. During the project, two of ... More Information

AFFHOLDER AND J.F. SHEA TEAM UP ON $700 MILLION CONTRACT

The tunneling subsidiary, Affholder LLC, will lead a joint venture with J.F. Shea Construction, Inc., to build the I-35 Capital Express Central ... More Information

Factory Testing Complete on DC Water's first tunnel boring machine for the Potomac River

Mary passed all the necessary requirements and is one of two TBM's on the project. The tunnel is part of DC Water's Clean Rivers Project, to ... More Information

Work on Chennai Metro tunnel racing to a finish

The machine Flamingo, which started boring in 2023 for the tunnel linking Light House with Thirumayilai, is expected to reach the other end in ... More Information

CPK awards contract to build high-speed rail tunnel in Lodz, Poland

The tunnel, to be constructed using a tunnel boring machine (TBM), will have a ... More Information

Inside HS2: Meet London's miners working on the Northolt tunnels

We are on a tunnel boring machine (TBM) inside High Speed Two's huge Northolt tunnels. These tunnel boring machines are part of a tunnelling ... More Information

Ontario Begins Construction Of Last Tunnel Segment Of The Eglinton Crosstown West Extension

The remaining eastern portion of tunnel construction (500-meter twin tunnels) will use the sequential excavation method, with daily progress of ... More Information

Norway is building the world's longest and deepest subsea road beneath its fjords

We have subsea road tunnels which have that construction. And the new tunnel between Germany and Denmark, there they are laying down cases and put ... More Information

CERN releases report on the feasibility of a possible Future Circular Collider

The estimated cost of construction of the FCC electron–positron stage, including the tunnel and all the infrastructure, is 15 billion Swiss francs... More Information

TBM break through on Auckland's £915M wastewater megaproject completes 16.2km tunnel

Auckland's major wastewater infrastructure project, the Central Interceptor, has reached a significant milestone with the final breakthrough of ... More Information

In pics: construction site of Chongming-Taicang tunnel

A smart assembling vehicle works at "Linghang" large diameter shield tunneling machine at the construction site of the Chongming-Taicang tunnel, part of the Shanghai-Chongqing-Chengdu ... More Information

IN PICTURES: Spectacular images of the removal of HS2's huge tunnelling machine

TBM Sushila was used to construct part of the Northolt Tunnel – an 8.4-mile tunnel ... construction/london-tunnels/progress-3/northolt-tunnel/tbm- ... More Information

Historic tunnels uncovered beneath Salisbury station during £5.3M upgrade project

Engineers from Network Rail and South Western Railway have uncovered a network of tunnels and rooms beneath Salisbury station during ongoing £5.3M upgrades to the station’s forecourt... More Information

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels. The new road will pass through Georgia along a trade route ... More Information

Buca Metro Tunnel Excavations Reached 50 Percent Level

Important progress is being made in the construction of the line, where four tunnel boring machines (TBMs), each 100 meters long, 7 meters wide and ... More Information

'Very promising' narrow-reef boring technology nearing rollout stage

A novel tunnel boring machine (TBM) will open up Bokoni's narrow tabular dipping PGM orebody to allow narrow-reef boring to take place, so that ... More Information

A vast undersea tunnel is being built

The 7.4 billion-euro ($7.7 billion) project is a huge undertaking, in every sense. Each section of the tunnel is colossal. These concrete structures ... More Information

National Grid gets planning permission for Grain to Tilbury upgrade with new Thames tunnel

National Grid has secured full planning approval for the Grain to Tilbury project, which includes a new power tunnel under the River Thames... More Information

Right track tunnel of Huangjialing Tunnel in NW China's Gansu drilled through

A staff member works on the construction site of the right track tunnel of the Huangjialing Tunnel in Linxia Hui Autonomous Prefecture, northwest ... More Information

Shetland Islands tunnels plan takes 'huge step forward' with sonar investigations

This phase will further inform the project's development and feasibility. The tunnel project, seen by locals as pivotal for improving ... More Information

Construction of the Tarande tunnel begins next week

On March 17th, in Vilnius district Construction of a tunnel and other related infrastructure will begin at Taranda and Bukiškis. This project aims ... More Information

Delhi Metro's Golden Line achieves major tunnel breakthrough;

The construction of Delhi Metro's Golden Line achieved a major milestone on Thursday as the Tunnel Boring Machine (TBM) broke through at the ... More Information

RiverRenew Tunnel Project Nearing Completion

The RiverRenew Tunnel System Project, the largest infrastructure investment in Alexandria's history, is nearing completion. More Information

Sydney Metro West tunnels enter final stretch after big breakthrough

Two tunnel boring machines (TBMs) constructing the huge Sydney Metro West tunnels have made a smashing entrance 24 metres below the surface. More Information

Chennai Metro Rail launches first tunnel boring machine for underground tunnelling in Kolathur

Corridor 5 begins at Madhavaram Milk Colony and connects through Koyambedu, Porur, Alandur and other residential/commercial areas of the city to ... More Information

Element Six, Master Drilling Announce Tunnel Development Partnership

Element Six and Master Drilling will deliver a diamond-enabled solution designed to increase tunneling development speed, reducing costs and minimize the environmental impact of tunnel ... More Information

Gateway Project Tunnel Connecting NY and NJ Moves Forward

Five Gateway contracts have been awarded so far, including one on Predergast's first day for construction on the Manhattan side of the tunnel... More Information

HSR Xi'an – Yan'an: Completion of All Tunnels in the Project

The HSR Xi'an – Yan'an has completed the excavation of all tunnels, including the Tongchuan Tunnel. This is a key milestone in the construction ... More Information

Brazil's US$1bn underwater tunnel project making waves among potential bidders

The first underwater road tunnel project in Brazil is attracting interest from multiple potential bidders, an official familiar with the matter ... More Information

Element Six and Master Drilling Announce Strategic Partnership for Advanced Tunnel

Achieving high quality, nonexplosive tunnel construction with various aspects of value generated compared to traditional rock excavation methods is a ... More Information

Tutor Perini Wins a $1.2 Billion NYC Contract

A joint venture of Sylmar-based civil construction firm Tutor Perini Corp. and its subsidiary Frontier-Kemper Constructors has won a $1.18 billion contract to construct a pair of rail ... More Information

Milestone reached for $1.6b Auckland wastewater tunne

Watercare's Central Interceptor project has passed an historic milestone with the southern half of the 16.2 kilometre tunnel – Blockhouse Bay ... More Information

Elon Musk's 'Wormhole' Tunnel Promises To Carry 20,000 People Per Hour In Dubai

It’s been more than eight years since Elon Musk decided he was fed up with traffic and declared he’d start digging tunnels to revolutionize public transport across the United States. So ... More Information

First tender for Dubai’s $22bn tunnels due within days

Dubai Municipality is expected to tender the first two packages of the $22bn Dubai Strategic Sewerage Tunnels (DSST) project imminently... More Information

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