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Featured News

Tunnel Boring Machine Mary Underground for Potomac River Tunnel

Press release - Something big is happening underground, as DC Water marks a major step forward for the Potomac River Tunnel Project. Today, crews successfully lowered the massive cutterhead for the ... More Information

Thames Cable Tunnel TBM Passes Factory Acceptance Test

The tunnel boring machine (TBM) that will excavate National Grid’s Thames Cable Tunnel has successfully passed its factory acceptance test (FAT) at Herrenknecht AG’s manufacturing ... More Information

2026 TAC Achievement Awards: Submissions Now OPEN!

2026 TAC Achievement Awards: Submissions Now OPEN!

TAC is proud to launch the call for submissions for its 2026 Achievement Awards, celebrating excellence in Canada’s tunnelling and underground construction industry, and beyond. Whether ... More Information

ELENG d.o.o. for advanced technical solutions

ELENG d.o.o. for advanced technical solutions

ELENG d.o.o. is a Croatian engineering and automation company based in Vinkovci, founded in 2018 to deliver advanced technical solutions across industrial sectors, including tunnelling ... More Information

Robbins celebrates TBM acceptance for Ellicott City North Tunnel

Veteran TBM rebuild for major flood mitigation project - Robbins marked a major project milestone in October 2025 with the substantial completion of the factory acceptance test (FAT) for a ... More Information

Wilma TBM achieves breakthrough on Brenner Base Tunnel’s Pfons–Brenner section

The tunnel boring machine (TBM) Wilma has reached a major construction milestone on the H53 Pfons–Brenner section of the Brenner Base Tunnel (BBT), completing approximately 5 km of excavation ... More Information

HS2 completes civil works on Chiltern Tunnel

Civil engineering works have been completed on HS2’s Chiltern Tunnel, the longest tunnel on the UK high-speed rail project, marking a major milestone in the construction of the ... More Information

Safety: What We'll Do Differently In 2026

As we head into 2026, one thing is clear: Doing more of the same will not deliver different safety outcomes. Across the past year, the signals have been consistent — from incident ... More Information

Tunnelling News

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

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

Latest Tenders

Norway, Nordland

no/209
Road

Closing Date: 09/02/2026

Tendering Authority:  Nordland fylkeskommune (Nordland County Authority), ...
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Germany, Scheleswig - Holstein

de/167
Railway

Procedure Type: Negotiated procedure with prior publication of a contract notice ...
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Romania, Moldova & Transylvania

ro/25
Motorway

Closing Date: 26/01/2026

Tendering Authority: Compania Națională de Investiții Rutiere S.A. (CNIR), ...
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Finland, Helsinki-Uusimaa

fi/34
Railway

Closing Date: 03/02/2026

Contract Notice Services – Ground and Bedrock Investigations for Airport Line ...
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Denmark, Copenhagen

dk/32
Stormwater Tunnel

SST04 – Cloudburst Tunnel & Structures Project (Denmark) Tender Reference: ...
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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: 16/01/2026 (Tender Closed)

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 (Tender Closed)

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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View All Live Tenders

Latest Awards

France, Paris

fr/127
Grand Paris Express

Europe – France | Grand Paris Express Line 18 – West Tunnel Ventilation Works ...
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Singapore, Singapore

sg/32
DTL2

Singapore Downtown Line 2 Extension (DTL2e) – Tunnels Contract 1 Client / awarding ...
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United Kingdom, Thameside

uk/105
Road

Project: Bean Road Tunnel (Bean Road Underpass) — Kent Thameside, UK Client: Kent ...
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Germany, Thuringia

de/182
Motorway

Germany – Tunnelling Works – A71 Tunnel Schmücke: Lot 5 – Renewal of ...
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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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View All Latest Awards
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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May 15 - 21, 2026

World Tunnel Congress - WTC 2026

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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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STM
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Tunnel SKills
CIFA
3nd Roads, Bridges & Tunnels KSA 2026 Conference
Eleng Automation B2B
WTC 2026

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