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Featured News

Italy - Gran Sasso Tunnel: measures to accelerate upgrading activities

The green light has been given for work on the Gran Sasso Tunnel to begin. They had needed to comply with current technical regulations on the tunnels safety in the trans-European road network ... More Information

Construction Begins on Cross Island Line Phase 2

The Land Transport Authority (LTA) has commenced civil construction works for Phase 2 of the Cross Island Line (CRL). Acting Minister for Transport Jeffrey Siow officiated the ground-breaking ... More Information

First Scheldetunnel Element Successfully Immersed in Antwerp

DEME Group has announced a major milestone in the construction of the Scheldetunnel, part of the Oosterweel Link in Antwerp. The first of eight prefabricated tunnel elements has now been ... More Information

Underground Breakthrough for €114M Athlone Drainage Project

The €114 million Athlone Main Drainage Scheme has recorded a successful breakthrough on its second underwater tunnel beneath the River Shannon—marking a significant milestone in the ... More Information

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Latest Tenders

Switzerland, Canton Neuchatel

ch/72
Road

No winner has been selected for the open procedure, deadline 26/06/2025, for the supply, ...
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Switzerland, Gotthard

ch/50
Highway

Closing Date: 26/08/2025

Open invitation to tender, deadline 26/08/2025, for the design of the Airolo junction ...
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Netherlands, Rotterdam

nl/17
Railway

Closing Date: 22/09/2025

Restricted invitation to tender, deadline 22/09/2025, for engineering services for the ...
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Spain, Madrid

es/184
Road

Closing Date: 09/07/2025 (Tender Closed)

Open invitation to tender, deadline 09/07/2025, for the supply of electricity for public ...
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Poland, Warsaw

pl/15
Ring Road

Closing Date: 05/08/2025

Open invitation to tender, deadline 05/08/2025, for the Technical‑Economic‑Environmental ...
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Spain, Gijion

es/73
Railway

Closing Date: 02/09/2025

Open invitation to tender, deadline 02/09/2025, for technical assistance during monitoring and ...
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Czech Republic, Prague

cz/22
Ring Road

Closing Date: 21/07/2025

Open invitation to tender, deadline 21/07/2025, for the repair of selected technologies in the ...
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Italy, Veneto

it/63
Motorway

Closing Date: 14/08/2025

Open invitation to tender, deadline 14/08/2025, for the implementation of technologies for ...
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Italy, Tuscany

it/281
Motorway

Closing Date: 15/09/2025

Open invitation to tender, deadline 15/09/2025, for the surveillance of infrastructures ...
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Switzerland, Cantons of Grsons

ch/61
Highway

Closing Date: 01/09/2025

Open invitation to tender, deadline 01/09/2025, for the renovation of the electrical system ...
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Spain, Malaga

es/58
Light Rail

Closing Date: 19/08/2025

Open invitation to tender, deadline 19/08/2025, for construction of the 510 m  Eugenio ...
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Germany, Frankfurt - on - Main

de/146
S Bahn Railway

Closing Date: 10/07/2025 (Tender Closed)

Open invitation to tender, deadline 10/07/2025, for the delivery and installation of voice alarm ...
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Latest Awards

Austria, Salzburg

at/96
Road

Oestu-Stettin Hoch- und Tiefbau GmbH from Leoben secured the EUR 2.25 million contract, ...
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Austria, Salzburg

at/101
Road

Strabag Infrastructure & Safety Solutions GmbH from Thalgau secured the EUR 1.25 million ...
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Spain, Guadarrama

es/16
High Speed Railway

The Joint Venture Tunel Guadarrama composed of Construcciones Rubau SA and Izer Ingenieria y ...
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Switzerland, Zurich - Thawil

ch/13
Railway

DE_B + S AG from Bern secured the EUR1.79 million (CHF1.67million) contract, excluding VAT, for ...
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Poland, Lodz - Masovia

pl/18
High Speed Railway

The company PORR secured the EUR400 million (PLN 1.7 billion), excluding VAT, contract for the ...
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Romania, Oltenia and Banat

ro/24
Railway

Ic Ictas Insaat SanayI Ve Ticaret AS (Istanbul, leader) and Rotary Constructii Mentenanta ...
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Germany, Baden Wurttemberg

de/15
Highway

BERNARD Gruppe ZT GmbH from Munich secured the contract for the management of waste material, in ...
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Italy, Rome

it/81
Metro

The joint Venture Salcef SpA  from Rome (leader) and Imaf Srl from Silea (Treviso) secured ...
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Norway, Oslo, Akershus & Buskerud counties

no/290
Road

Mesta as from Lisaker secured the EUR25.17 million (NOK297.04 million) contract, excluding VAT, ...
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Italy, Milan

it/16
Metro

The Joint Venture Eteria Consorzio Stabile Scarl (members Vianini lavori SpA, Itinera SpA and ...
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Croatia, Brod & Posavina and Pozega & Slavonia

hr/20
Expressway

PPG di Sarajevo (leader) and Linear Projeckt (Zagreb) secured the EUR 1.92 million contract ...
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Sweden, Norrbotten & Vasterbotten

se/95
Railway

Bricon AB from Umea secured the EUR 613,475.72 (SEK6.8 million) contract for a consultant in ...
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Tunnelling News

4000-tonne machines dig arterial route under Melbourne's west

The West Gate Tunnel Project is in full swing beneath Melbourne's inner west, with tunnel boring machines (TBMs) Bella and Vida at the helm... More Information

Gotthard drilling machine gets no further - now it has to be blown up

Forced break in the Gotthard road tunnel: After 190 meters, the drilling machine working on the second tube has come to an end for the time being... More Information

Construction begins on 6 Cross Island Line Phase 2 stations

Tunnel Boring Machine measuring 12.8m in diameter. The machine will “bore through the ground only once for the construction of the tunnel which ... More Information

Tunnel boring machine returns after installing $22 million outfall

A 19.5 tonne tunnel-boring machine docked at Onehunga Wharf on Friday afternoon after successfully tunnelling the $22m Clarks Beach Outfall over ... More Information

Scarborough Subway Extension tunnelling progresses following maintenance stop

The remaining portion of the tunnel will be delivered by Scarborough Transit Connect, the development partner for the project's stations, rail and ... More Information

World's Deepest Underwater Tunnel to Have Cars Drive 16 Miles Under the Sea

Norway is building what is to become the longest and deepest road tunnel under the sea. The Rogfast project, measuring 26.7 kilometers (about 16.5 ... More Information

Tunnelling underway for National Grid’s 3.4km power tunnel in Snowdonia

The tunnel boring machine (TBM) Buddug has commenced excavation of National Grid’s 3.4km power tunnel in Wales’ Eryri National Park, otherwise known as Snowdonia. The tunnel is part of ... More Information

CPK signs contract for construction of HSR tunnel in Łódź

The contract for the construction of a 4.6 km long, 14-metre wide High-Speed Rail (HSR) tunnel will be carried out by construction company PORR. The project is valued at approximately PLN ... More Information

Underneath the busy Baltimore streets, the Howard Street Tunnel gets its makeover

A squad of construction workers descend daily under the streets of Baltimore. They labour deep down, in the semi-secret and highly restricted ... More Information

London Power Tunnels Milestone

We're thrilled to announce that our second 2.5km high-voltage circuit between Hurst and Crayford is now live. This £1 billion project is rewiring London, strengthening energy supply, and ... More Information

U.S. Tunneling Professionals Convene in Dallas at RETC 2025

The event drew approximately 1,400 people. Another highlight of the conference was the presentation of the now annual Underground Construction ... More Information

Construction of NY and NJ GatewayTunnel hits halfway mark

People are looking down at the ground from the Highline on Manhattan's West Side. Some parts of the new train tunnel structure ... More Information

Silicon Valley BART extension seeks new tunneling contractor

Silicon Valley BART extension seeks new tunneling contractor for construction. Maguire told reporters during a briefing Monday morning. He noted that VTA is trying to fill a $1.2 billion ... More Information

Tunneling In The Digital Age: Rethinking Subsurface Infrastructure

But successful construction is just the start of the journey. Underground infrastructure is a long-term investment—just look at the London Underground ... More Information

Sydney Moves Forward with Final Tunnelling for Harbour Project

Sydney prepares for the arrival of the largest TBMs in the Southern Hemisphere as the Western Harbour Tunnel project enters its final tunnelling ... More Information

Metrolinx seeks help to name 2 of its massive Ontario Line tunnel digging machines

Metrolinx is now accepting names for two of its giant tunnel boring machines (TBMs), which will be used for twin 16-metre-deep and six-kilometre-long ... More Information

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

September 17 - 18, 2025

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HSR Asia 2025

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ACUUS 2025

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Australasian Tunnelling Conference

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November 24 - 27, 2025

BAUMA CHINA

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November 25 - 27, 2025

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