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Breakthrough for Sofia Metro Extension Project

On the 27.02.2019 the Dogus Construction-Via Group Construct-Ultrastroy Joint Venture, completed the 5978 m tunnel using a TBM for the Sofia Metro Extension Project Line3, Lot 4 in Bulgaria. The ... More Information

iPS opens offices in Saudi Arabia and Bahrain

iPS opens offices in Saudi Arabia and Bahrain

iPS – Powerful people has opened a local office in Al Khobar, Saudi Arabia and in Manama, Bahrain. iPS is constantly looking for new opportunities to grow and expand our current business ... More Information

ACCIONA Press Release

ACCIONA Press Release

The high-speed rail project will connect the city of Oslo with the town of Ski via twin 19.5 km tunnels, the longest in Scandinavia. 28 February 2019- ACCIONA and Ghella have completed ... More Information

First TERRATEC TBM breaks through on Mumbai Metro

First TERRATEC TBM breaks through on Mumbai Metro

The first of seven TERRATEC TBMs being used on Mumbai Metro’s highly anticipated 33.5km underground Line 3 corridor, in India, breaks through on its inaugural drive. In mid-February, TERRATEC ... More Information

"Victory Boogie Woogie” tunnel completed

"Victory Boogie Woogie” tunnel completed

TBM Catherina-Amalia broke through on the 10th of January 2019 to complete the Victory Boogie Woogie tunnel in the Hague. The TBM was 80 metres long and 11 meters in diameter and bored a tunnel ... More Information

Bucharest M6 metro line

In February 2019 the European Commission (EC) endorsed the EUR 517 million funding dedicated to a section of  the M6 metro line planned to link the Bucharest airport  ( Henri Coanda in ... More Information

Double breakthrough for the Follo Line

On 26.02.2019 at 14h00 Bane NOR reached an important milestone with the final double breakthrough on the Follo Line project. Anna and Magda, the last two of the 4 Follo Line TBMs broke through at ... More Information

Robbins Webinar - Rapid Excavation: How to Speed up Your TBM Tunnel

Robbins Webinar - Rapid Excavation: How to Speed up Your TBM Tunnel

In this complimentary 40-minute webinar, Robbins Engineering Director Brad Grothen and Elisa Comis, Associate at McMillen Jacobs, will discuss what rapid excavation really looks like in the field. ... More Information

M4 Metro Line breakthrough

M4 Metro Line breakthrough

On the 25.02.2019 the second of the two TBMs that are excavating the tunnels of the Western Section of the M4 in Milan reached Frattini Station. In only 22 days the TBM excavated approximately 570 ... More Information

Thames Tideway Super Sewer

Thames Tideway Super Sewer

Rachel, the TBM digging the west section of the Thames Tideway Tunnel, has been lowered 35 m down the shaft at Tideway's Carnwath Road site in Fulham. Over the coming months, she will begin her ... More Information

WTC 2019

WTC 2019

THE WORLD TUNNEL CONGRESS 2019 IN NAPLES, ITALY FROM MAY 3RD TO MAY 9TH 2019. The whole underground industry will meet in Naples to study and discuss the state of art of tunnelling in connection ... More Information

6th Breakthrough on Mumbai Metro 3

6th Breakthrough on Mumbai Metro 3

On the 20.02.2019 Mumbai Metro 3 Colaba-Bandra-SEEPZ corridor achieved a 6th TBM breakthrough at Sahar Road Metro station, which is being built under Mumbai’s crucial Tansa water ... More Information

STUVA Expo 2019 - 150 exhibitors already registered!

STUVA Expo 2019 - 150 exhibitors already registered!

STUVA Expo 2019 - one of the world's leading and largest events in the tunnel. The current demand to exhibit at STUVA Expo 2019 in Frankfurt am Main again indicates a strong participation. Already ... More Information

4th TBM for the Grand Paris Express

4th TBM for the Grand Paris Express

On the 7th of February the shield for the fourth TBM, which will drive 3.4 km of the Line 15 South for the Grand Paris Express was lowered into place. The TBM will begin its journey at what will ... More Information

Press release for BBT

Press release for BBT

Breakthrough in the Tulfes–Pfons section - On February 12th, 2019, the last breakthrough by blasting took place in the Tulfes-Pfons section. On that occasion, a small ceremony was held for ... More Information

TELT update

Paris, 19 February 2019 - The Board of Directors of TELT (the public promoter entrusted by Italy and France with the construction of the cross-border section of the Lyon-Turin railway line), ... More Information

Undersea tunnel planned for Cua Luc Bay in Vietnam

Undersea tunnel planned for Cua Luc Bay in Vietnam

The People’s Committee in the northern province of Quang Ninh want to build an undersea tunnel at Cua Luc Bay. They have submitted the pre-feasibility report to Prime Minister Nguyen Xuan ... More Information

Robbins Crossover TBM completes Turkey’s Longest Water Tunnel

Robbins Crossover TBM completes Turkey’s Longest Water Tunnel

Excavation of Turkey’s longest water tunnel came to an end on December 18, 2018. To get there, a 5.56 m (18.2 ft) diameter Robbins Crossover (XRE) TBM and the contractor JV of Kolin/Limak had ... More Information

ITACET Training Courses during WTC2019

ITACET Training Courses during WTC2019

Two ITACET training sessions will be organized on the 3rd and 4th of May during WTC2019. •             Tunnelling 4.0 information ... More Information

Struma Motorway - Lot 3.2.1 update

There have been ten offers for the design and construction of the 13.2 km Struma motorway in the 23.6 km section between Kresna and Krupnik, through the Kresna Gorge (Lot 3.2.1). The Lot 3.2.1 ... More Information

News from Australia’s longest road tunnel project

News from Australia’s longest road tunnel project

The last truck of spoil excavated from the NorthConnex tunnel was delivered to Hornsby Quarry on 25.01.2019. More than one million cubic metres of spoil was placed to partially fill the quarry, ... More Information

Bahrain Metro Project

Bahrain Metro Project

Press release-Bahrain announces consultancy tenders for phase one of its metro project. Bahrain's Ministry of Transportation has launched tenders for the appointment of a transaction advisor and ... More Information

Press release - Fourth mega borer starts work on metro tunnels

The fourth of five mega tunnel boring machines (TBMs) has started tunnelling under Sydney. TBM Mabel has been launched at Chatswood to help deliver 31km of tunnels between Marrickville and ... More Information

5th TBM Breakthrough for Colaba-Bandra-SEEPZ

5th TBM Breakthrough for Colaba-Bandra-SEEPZ

On the 13th of February 2019 a fifth TBM breakthrough was reached for Mumbai Metro 3 corridor at Chhatrapati Shivaji Maharaj International Airport (CSMIA) - T2 metro station. The TBM Wainganga 3, ... More Information

First TBM setting sail for Teesside (UK)

First TBM setting sail for Teesside (UK)

First TBM (length 225 m, weight 1,800 t), after final checks in Germany, is ready to be shipped to Wilton International, Redcar. The TBM will be reassembled and start tunnelling in the second ... More Information

Foundation stone laid for Sela tunnel project

On the 09.02.2019 Prime Minister Shri Narendra Modi laid the foundation stone for the Sela Tunnel Project in Arunachal Pradesh. The Project (BRO) will be completed in the next three years. The ... More Information

First TBM breakthrough on MRT SSP line

First TBM breakthrough on MRT SSP line

The first tunnel boring machine (TBM) breakthrough for the MRT Sungai Buloh-Serdang-Putrajaya (SSP) Line took place on 29 January 2019 at the Chan Sow Lin MRT Station construction site, marking a ... More Information

Forrestfield TBMs stopped due to mechanical issue

On Friday January 18, workers operating TBM Grace reported a potential mechanical issue with the machine. Since then tunnelling experts from SI-NRW and German TBM manufacturer Herrenknecht have been ... More Information

Femern A / S receives German approval.

On 06.02.2019  Femern A / S received the signed German regulatory approval for the Fehmarn tunnel in Kiel. The German approval concerns only the construction on the German side. Activities on ... More Information

Sydney Metro tunnel

Sydney Metro tunnel

On the 16.01.2019 Sydney Metro’s third mega TBM started digging the 6.2 km of tunnel from Chatswood to the edge of Sydney Harbour at Blues Point. This marks the next stage in delivering the ... More Information

MaMaJo TBM

The cutter head of the more than 400-foot long TBM MaMaJo was lowered nearly 200 feet down Monday, Feb. 4, 2019. The machine will drill a 5-mile tunnel designed to protect rivers from sewer overflow ... More Information

Twin Breakthrough on the Tel Aviv Light Rail

Twin Breakthrough on the Tel Aviv Light Rail

The TBMs Wonder Woman and Niki Haley breakthrough into the Ben Gurion station shaft. This completes 18.5 km of the 20km of tunnelling on the eastern section of the redline project in Tel Aviv. The ... More Information

West Link update

West Link update

On the 01.02.2019 the Supreme Court decided not to grant ‘leave to appeal’ in the case of awards for construction of the West Link (Vastlanken) railway project in Gothenburg. The ... More Information

AFD signed EUR245million funding for Pune Metro

On the 28.01.2019 AFD (French Development Bank) and DEA (Department of Economic Affairs) on behalf of the Government of India signed a Credit Facility Framework agreement in New Delhi for extending ... More Information

Twin Tunnel Breakthrough in India

Twin Tunnel Breakthrough in India

On 31.01.2019 Mumbai Metro Rail Corporation (MMRC) witnessed a twin tunnel breakthrough of the third and fourth TBM of Colaba-Bandra-SEEPZ Metro3 corridor at Dadar Metro Station. Krishna 1, the ... More Information

Robbins Blog

Robbins Blog

A Brief History of Rapid Excavation in 7 Key Points Posted by Brad Grothen | Jan 29, 2019 Rapid Excavation: It’s a term bandied about throughout our industry, but what does it mean? ... More Information

Tunnelling News

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

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