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UK Government Backs Heathrow’s £49bn Third Runway Plan Featuring Major M25 Tunnel Works

The long‑debated expansion of Heathrow Airport has taken a decisive step forward, with the UK government formally backing the airport’s preferred proposal for a third runway — a ... More Information

Woodsmith Project Tunnel Reaches 30 km Milestone

The Woodsmith Project in North Yorkshire has achieved another landmark in global tunnelling, as its tunnel boring machine (TBM) Stella Rose passed the 30-kilometre mark on 3 December. The ... More Information

Next stage of construction begins at HS2’s longest green tunnel

Press release - The construction of HS2’s longest green tunnel took a major step forward  with the realignment of a key local road, freeing up space for the next phase of ... More Information

Top International Construction Machinery Brands - At Samoter 2026

Verona, 17 December 2025. SaMoTer 2026 (May 6-9 www.samoter.it) welcomes top names in the construction machinery industry to Verona: leading international brands have all confirmed attendance, ... More Information

Manufacturing of First Pair of Tunnel Boring Machines for Hudson Tunnel Project Completed

The Gateway Development Commission (GDC) has reached a major milestone in the Hudson Tunnel Project (HTP) with the completion of manufacturing and factory acceptance testing of the first two tunnel ... More Information

California’s Delta Tunnel: Still Central to Water Debates in 2025

The Delta Conveyance Project — often called the Delta Tunnel — remains one of California’s most hotly debated infrastructure proposals. Though not yet under construction, it looms ... More Information

International heavyweights step in as Shetland fixed-link project advances

The Shetland Islands Council (SIC) has taken a decisive step forward in its ambition to improve inter-island connectivity by appointing three major international tunnelling and civil-engineering ... More Information

BART Silicon Valley Phase II: Tunnel Work On Track, On Budget

Construction of the second phase of the BART Silicon Valley Extension — the six-mile leg running from San Jose’s West Portal through downtown toward Berryessa — remains “on ... More Information

Tunnelling News

Rome digs deep for railway that burrows beneath the Colosseum

Tunnellers used lasers to check whether ancient columns at the nearby Forum were not wobbling as their 300ft long tunnel boring machine churned ... More Information

World’s largest-diameter high-speed railway shield tunneling machine reaches milestone

The world's largest-diameter high-speed railway shield tunneling machine independently developed by China, “Linghang,” for the Chongming-Taizhou ... More Information

Third circuit on £1bn London Power Tunnels 2 project energised

Electricity has begun flowing through a new section of National Grid's London Power Tunnels 2 (LPT2) project after the energisation of a ... More Information

Westmead metro station cavern formwork the biggest in the southern hemisphere

Crews are now retrieving the 1,200-tonne Tunnel Boring Machines (TBMs) that arrived beneath Westmead in September and October, lifting each machine ... More Information

Webuild: excavation begins on three tunnels for Salerno-Reggio Calabria HS/HC Railway

All four TBMs planned for Lot 1A Battipaglia–Romagnano section are operational with launch of latest three Joining TBM Partenope, already active, are Leucosia and Ligea, whose names were ... More Information

SELI Overseas: 75 Years of Tunneling with TBMs

From Channel Tunnel to the Brenner Tunnel: When Tunneling Is Synonymous with Innovation ... SELI TBM at work on the construction site... More Information

Road realignment is major step for HS2, says firm

HS2 Ltd A view of the realigned B4525 on an overcast day. · HS2 Ltd An aerial view of the construction of Greatworth tunnel showing major earthworks ... More Information

Amtrak has made real progress in East River Tunnel rehabilitation

The tunnel has been stripped down to the concrete liner. Westbrook was told the project isn't just about modernizing and replacing what was, but also ... More Information

Madrid invests EUR 123 million in new metro stations on Line 11

TBM Mayrit enters into action in 2026 · November 2025 – February 2026: assembly of the tunnel boring machine in Comillas Park (Carabanchel district) ... Facebook Twitter Flag as ... More Information

Jerusalem Light Rail Construction Advances Ahead of Major Tunnel Work

Local reporting on city project materials notes that “the plan calls for a 2-km underground tunnel to be built beneath the city center, including ... More Information

Why and how the Civil Works Alliance changed Sizewell C tunnel designs from Hinkley Point C

Ground conditions around Sizewell C have required intense collaboration between the project’s contractors alliance to come up with new outfall and intake tunnel design solutions... More Information

AI planning of the first railway tunnel through challenging terrain

AI plans first rail tunnel through tough terrain. Artificial Intelligence China Uses AI for the Construction of Railway Tunnels. 2025-12-08 ... More Information

Will Tunneling Projects Be The Next Big Thing For Mumbai's Public Transport?

During the interview, she also called tunnel boring machines the safest and one of the most efficient ways of doing tunelling. "Only the place of the ... More Information

Chipolbrok vessels deliver tunnel boring machines to Sydney and mineral bulk to Peru

Chipolbrok delivers TBMs for Sydney Metro on Chipolbrok Star and loads 29000t minerals in Peru on Taixing, showcasing fleet versatility... More Information

How Seequent's software solutions help to manage tunnelling data

The second phase of Singapore's Cross Island Line (CRL) metro project is under way, assisted by a suite of software from Seequent. Singapore's CRL is ... More Information

Muography to Transform Tunnel Safety Monitoring

Underwater bridge tunnels have become vital arteries for cities, enabling smooth vehicular passage beneath rivers, bays, and inland waterways. More than 200 of these structures operate ... More Information

10 longest tunnels in the world that reshaped global transportation

Modern tunnel construction involves sophisticated techniques, including tunnel boring machines and advanced geological surveying. The project ... More Information

Čučković: Construction of the tunnel boring machine for the Belgrade Metro in final phase

It is a good thing that we, for example, acquired these tunnel boring machines at a lower price than other countries... More Information

Serbia plans to borrow 2.5 billion EUR in 2026 for the construction of the Belgrade metro

It is also stated that two TBMs (tunnel boring machines), the so-called moles, have already been ordered and are expected to be delivered to ... More Information

VSM starts operation at Tilbury

The pioneering Vertical Shaft Sinking Machine (VSM) from Herrenknecht, named “Verena”, after Verena Holmes, a pioneering British mechanical ... More Information

Metrolinx reveals names of Ontario Line tunnel boring machines

Following a contest, Metrolinx has officially named its two massive tunnel boring machines Libby and Corkie... More Information

Montreal blue line metro tunnel boring machine has arrived, time to dig

It's basically building the backbone of the blue line extension,” said project chief Maha Clour, pointing out that crews have reached the bottom of ... More Information

Norway Unveils The World's Longest Road Tunnel In A Majestic Engineering Marvel

The construction cost broke down to about 38,000 NOK (roughly £3,500) per meter, an impressive figure considering the complexity and scale of the ... More Information

Sydney Metro West construction captured on video ahead of 2032 opening

Two giant tunnel boring machines have made their way through the deepest section of Darling Harbour as part of works on the new Metro West. More Information

Bengaluru's ₹18,000-crore tunnel road project inches closer as four major firms submit bids

Four firms bid for Bengaluru's ₹18000 crore tunnel project linking Hebbal to Silk Board, expected to ease city traffic by 2029 under a 34-year ... More Information

Webuild advances Rocchetta Tunnel excavation

Upcoming construction milestones. Webuild is preparing for the next major phase on the Apice–Hirpinia section: the launch of the reinforced concrete ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Kathmandu-Tarai Expressway achieves 43.3% progress

The total length of the seven tunnels under the project is 10.979 km. ... Construction progress for the Chandram Bhir tunnel. (2,250 metres) has ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Hong Kong: Robotics And AI Enhance Tunnel Construction

It is leveraging artificial intelligence (AI), robotics and automation to advance the Trunk Road T2 and Cha Kwo Ling Tunnel project. These ... More Information

Single-Bore Tunnel Method Chosen for BART Silicon Valley Phase II

This decision allows VTA to advance project design towards 60%, stay on a critical path to tunnel construction and meet the projected revenue service ... More Information

Boring Co. begins 'controlled blasting' for Nashville tunnel at TN capitol

The Boring Co. has started excavation work at a state-owned parking lot on Rose Parks Boulevard for the Music City Loop project Wednesday, Aug. 13, ... More Information

TBM arrives in Montreal for delayed metro extension project

A custom-built tunnel boring machine (TBM) has arrived in Canada for use on a 6km extension of the Montreal Metro... More Information

Spain Confirms Feasibility of €8.5 Billion Morocco-Europe Tunnel

The study was conducted by German company Herrenknecht, the world leader in tunnel boring machines, at the request of the Spanish government's ... More Information

TxDOT spends $748M to burrow bus-size tunnels under Central Austin

The first tunnel boring machine will be deployed near ... Industry experts say tunnel boring machines typically advance about 50 feet per day. More Information

6 TBMs on Duty on the 27-Kilometer Line in Körfezray

Two of the six Tunnel Boring Machines (TBMs) that will serve in the first 27-kilometer phase are actively excavating tunnels, while the ... More Information

Construction on HS2's Euston tunnel will start 'fairly soon', says rail minister

Construction on the HS2 tunnel from Old Oak Common station to Euston station will start “fairly soon”, the rail minister has said... More Information

Blue Line Extension TBM Arrives at Port of Montreal

Railway Track and Structures Construction site of the future Vertières station (Pie-IX) in June 2025. Caption and photo courtesy of STM. MONTREAL - The tunnel boring machine (TBM) ... More Information

Tunnel break through milestone for Mt Messenger Bypass project

A 110 tonne excavating machine, called Hinetūparimaunga, has broken through at the northern end of the project's 235 metre-long tunnel ... More Information

Latest Tenders

Austria, Upper Austria

at/31
Road

Closing Date: 12/01/2026

Contract Notice Services – Underground Geotechnical Measurements and Tunnel Scanner ...
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Italy, Lombardy

it/16
Metro

Closing Date: 26/01/2026

Contract Notice Works – Upgrade of Generator Systems, Electrical Substations and Cable ...
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Spain, Basque Region

es/208
Road

Closing Date: 15/01/2026

Contract Notice Construction Works – Lamiako Under-River Tunnel (Lot 2) Procedure: ...
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Romania, Bucharest

ro/13
Subway

Closing Date: 20/01/2026

Contracting Authority  Metrorex SA Bucharest, Romania Contact: Cristina ...
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Netherlands, National

nl/39
Roads and Highways

Closing Date: 14/01/2026

Open procedure with a deadline of January 14, 2026, for the implementation of InSAR-based ...
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Austria, Carinthia and Land of Salzburg

at/21
Highway

Closing Date: 09/12/2025 (Tender Closed)

Open invitation to tender, deadline 09/12/2025, for the general refurbishment (EM & ...
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Austria, Salzburg

at/23
Highway

Closing Date: 09/12/2025 (Tender Closed)

Open invitation to tender, deadline 09/12/2025, for the general refurbishment (EM & ...
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Austria, Linz

at/31
Highway

Closing Date: 12/01/2026

Open invitation to tender, deadline 12/01/2026, for the underground geotechnical measurements ...
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Austria, Linz

at/31
Highway

Not awarded - the contract about the open invitation to tender, deadline 03/11/2025, for the ...
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Macedonia, National

mk/11
Railway

Prior information notice for the construction of new 24 km single-track railway section from ...
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Belgium, Brussels-Capitale

be/27
Roads, Ring Roads and Motorways

Closing Date: 10/12/2025 (Tender Closed)

Open invitation to tender, deadline 10/12/2025, for the maintenance of emergency exits and ...
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Finland, Helsinki

fi/34
Railway

Invitation to market dialogue to inform and solicit feedback from market actors on the ...
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Latest Awards

Spain, Asturias and Castile-Leon

es/55
High Speed Railway

Contract Award Notice Services – Maintenance of Signaling, Telecommunications, CTC, ...
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Switzerland, Canton of Grisons

ch/61
Motorway

Contract Award Notice Works – Construction of Fire-Fighting and Drinking Water Supply ...
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Spain, Asturias

es/55
High Speed Railway

Contract Award Notice Services – Maintenance of GSM-R Telecommunications Equipment La ...
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Switzerland, Cantons of Geneva and Vaud

ch/144
Railway

Contract Award Notice Services – Preliminary Design (SIA 31) New Double-Track Railway ...
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Netherlands, North Holland

nl/23
Road

Contract Award Notice Works – Supplementary Works for the Coentunnels First and Second ...
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Netherlands, North Holland

nl/23
Roads

Contract Award Notice Supplementary Works – Design, Construction, Financing & ...
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Romania, Moldova & Transylvania

ro/25
Motorways

Contracting Authority: Compania Națională de Investiții Rutiere S.A. (CNIR) Bucharest, ...
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Austria, Salzburg

at/23
Highway

Porr Bau GmbH from Salzburg secured the EUR 38.84 million contract, excluding VAT, for ...
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Austria, Tyrol & Vorarlberg

at/86
Motorway

HTB Baugesellschaft m.b.H. from Arzl im Pitztal secured the EUR4,27 million contract for the ...
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France, Rhone - Alps

fr/107
Motorway

Socomec from Decines Charpieu secured the EUR600,000 contract for the maintenance of the UPS ...
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Sweden, Norrbotten & Vasterbotten

se/95
Railway

Scior Geomanagement AB from Sundsvall secured the EUR 772,029.33 million (SEK8.49 million) ...
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Italy, Marche

it/227
Road

The joint venture formed between Toto Costruzioni Generali and Ubaldi Costruzioni has been ...
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STUVA 2025
ITEC 2025
3nd Roads, Bridges & Tunnels KSA 2026 Conference

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