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Terratec achieves key landmarks on Chennai Metro Phase II

Terratec achieves key landmarks on Chennai Metro Phase II

TERRATEC has achieved key landmarks on Chennai Metro Phase II with the advancement of the TBM on Line 3 and the launch of another TBM on Corridor 5, reflecting strong collaboration with Tata ... More Information

Brenner Base Tunnel: Europe’s Alpine Rail Megaproject Nears Completion at £7 Billion Investment

The Brenner Base Tunnel (BBT), poised to become the longest underground railway connection in the world, represents one of Europe’s most ambitious cross-border transport infrastructure ... More Information

Zoji La Tunnel: Engineering an All-Weather Lifeline to Ladakh

The Zoji La Tunnel is a landmark infrastructure project currently under construction beneath the Zoji La Pass in the Himalayan range. Once completed, this high-altitude tunnel will provide ... More Information

Colorado hydrogen rail proposal places major new mountain tunnel at the heart of its vision

A Colorado company is promoting an ambitious clean‑energy rail concept that would hinge on one of the most significant new mountain tunnels proposed in the state in decades — a 3.6‑mile ... More Information

Universal Seeks Bids for Underground Tunnel / Transit Project in Orlando

Universal Orlando Resort has officially opened a bidding process for what could become a major new underground transportation system linking its upcoming Epic Universe theme park with the rest of ... More Information

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

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Tunnelling News

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

Cross-river tunnel of Nanjing Metro Line 4 Phase II completes tunneling

This photo taken on Dec. 27, 2025 shows the rear of the "Xinzhengcheng" tunnel boring machine at the construction site of Nanjing Metro Line 4 ... More Information

Tunnels Design and Construction Market is Going to Boom

HTF Market Intelligence projects that the global Tunnels Design and Construction market will expand at a compound annual growth rate (CAGR) of 6.80% from 2025 to 2032, from 72 Billion in ... More Information

Longest tunnel in the world costing £7billion will connect 3 European cities

The Brenner Base Tunnel is currently under construction and will connect the countries of Austria and Italy. The impressive tunnel, which is set ... More Information

Georgian Officials Mark Completion of Railway Modernization, Hoping to Boost Transit

The works also included the construction of the 8,300-meter dual-tube tunnel near Kvishkheti, 10 bridges, six tunnels, and around 100 engineering ... More Information

Israeli municipality approves budget for new tunnel project south of Jerusalem

The Jerusalem Governorate said that the project aims to connect the Har Homa settlement, built on Jabal Abu Ghneim land, to the Begin bypass road near ... More Information

Megaprojects Under Construction Around World In 2026

Described as the largest road tunnel in the U.K., the Lower Thames Crossing will link Tilbury in Essex via a tunnel underneath the Thames with ... More Information

Delhi Metro expansion: Cabinet approved Rs 12,015 crore project

The project, planned over a construction timeline of three years, will be executed largely underground using tunnel boring machines to minimise ... More Information

World's Longest Expressway Tunnel to Open, Linking North and South Xinjiang

Engineers used innovative methods and specially designed machines called tunnel boring machines (TBMs) to dig through hard rock faster and safer than ... More Information

The huge £21bn mega-tunnel that goes right through the middle of a mountain

Huge boring machines will create a 57.5km (35.7mile) tunnel through the Alps to connect French and Italian high-speed rail networks and link Lyon ... More Information

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

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Germany, Nurnberg

de/181
Subway

Closing Date: 26/01/2026

SPECIAL TUNNELING WORK – 110 KV CABLE SYSTEMS AT PLÄRRER, NÜRNBERG ...
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Germany, Bremen

de/180
Road and Motorway

Closing Date: 04/02/2026

A281 motorway – Tunnel T3–T22 & eastern cut-and-cover ...
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Norway, National

no/208
Road

Closing Date: 09/02/2026

TUNNEL MAINTENANCE 2026–2028 – NORDLAND COUNTY (NORWAY) Deadline for receipt of ...
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Germany, Hesse

de/179
Railway

Closing Date: 02/01/2026

Contract Notice Services – Construction Works for Nord Main S-Bahn (NMS) ...
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Bosnia and Herzegovina, Zenica - Doboj Canton

ba/18
Motorway

Closing Date: 29/01/2026

Contract Notice Services – Consultancy Services for Construction Supervision Ozimice ...
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Ireland, Dublin

ie/16
Metro

Closing Date: 23/01/2026

Contract Notice Services – Programme Delivery Partner Support Services MetroLink ...
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Spain, Basque Region

es/79
Railway

Closing Date: 06/02/2026

Contract Notice Services – Environmental Management Support Bilbao Southern Railway ...
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France, Île‑de‑France

fr/12
Motorways

Open Tender – Deadline Extension Services – Assistance for Tunnel Safety Management ...
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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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Spain, Asturias

es/73
Railway

Contract Award Notice Services – Tunnel Modernization Villabona 90i & 90ii ...
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Germany, Thuringia

de/13
Motorway

Contract Award Notice Services – Traffic Control System for Tunnel ...
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Switzerland, Canton of Bern

ch/34
Motorway

Contract Award Notice Services – Maintenance and Modernization of Tunnel Management and ...
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Denmark, National

dk/21
Railway

Contract Award Notice Supply and Installation – Tunnel Ventilation Systems Great Belt ...
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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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February 9 - 10, 2026

3nd Roads, Bridges & Tunnels KSA 2026 Conference

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April 21 - 23, 2026

UITP 2026

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May 6 - 9, 2026

Samoter

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June 17 - 18, 2026

ITEC 2026

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September 15 - June 19

EUROCK 2026

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October 6 - 8, 2026

BTS 2026

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October 7 - 10, 2026

SAIE 2026

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October 7 - 10, 2026

Geofluid

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October 12 - 14, 2026

AFTES International Congress

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November 30 - December 2

ISAVFT 2026

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strata black
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3nd Roads, Bridges & Tunnels KSA 2026 Conference

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