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Welcome to our new advertiser MineARC Systems.

Welcome to our new advertiser MineARC Systems.

MineARC is the global leader in controlled environments and safety technologies for the underground mining, tunnelling, chemical processing, disaster relief and biotechnology industries. MineARC ... More Information

Delivering Australia’s largest road infrastructure project – WestConnex

Delivering a multi-billion-dollar, multi-record-breaking infrastructure project under immense public scrutiny is no easy feat – but it’s part of the challenge for James Holbrook, ... More Information

Breakthrough under the San Martino Hospital of Genoa

Breakthrough under the San Martino Hospital of Genoa

On 8 October 2018 the joint venture between Cipa Spa (LEAD), Injectosond Srl and Paolo Barchi Srl finished the tunnel underneath the San Martino hospital in Genoa. The tunnel was created to ... More Information

Albula tunnel breakthrough

On the 2nd of October 2018 the 5860 m Albula Tunnel broke through, it is part of the Rhaetian Railway. The tunnel has been built between the Albula valley and the upper Engadine in the Canton of ... More Information

Chilean La Piramide tunnel starts construction

Chilean La Piramide tunnel starts construction

This October the drill & blast excavation of the 2km La Piramide tunnel in the Recolet municipality started . The tunnel is one of the sections of the Americo Vespucio Oriente I (AVO I) which ... More Information

First breakthrough for Mumbai’s Metro-3

On the 24.09.2018 the TBM Wainganga completed its first tunnel for the 33.5-km Colaba-Bandra-Seepz (Metro-3 line). The 1.26-km tunnel between Pali ground in Marol, Andheri (East) and the ... More Information

Palmieri Group launch new website

Palmieri Group launch new website

Palmieri Group launched its new website http://www.palmierigroup.com/ at the 22nd edition of Geofluid. Visit it the site today to see the changes that make the site easier to use and is full of ... More Information

The Mumbai Coastal Road Project (MCRP)

The 35.6 km long Mumbai/Bombay Coastal Road will connect the southern part of Mumbai from Marine Lines with Kandivali in the north. It will have 8 lanes, two of which are reserved for the Bus ... More Information

Huge Robbins Slurry TBM makes the Cut

Huge Robbins Slurry TBM makes the Cut

On September 18, 2018, a Robbins mega-sized slurry machine, measuring 13.7 m (44.8 ft) in diameter, made its first cut into hard rock. The epic launch at an urban jobsite was made possible by Onsite ... More Information

Quito Metro tunnel completed

On Tuesday, October 2nd ,  the Metropolitan Public Company Metro de Quito informed the public that the TBM Luz de America reached the El Arbolito extraction shaft, completing the Quito Metro ... More Information

NIB finances new section of E18 motorway in Norway

NIB and the Norwegian toll-road operator Ferde AS have signed a EUR 104.5 million (NOK 1 billion) loan with a maturity of 17.5 years to finance the construction of a new 23km section of four-lane ... More Information

ISAVFT 2019 - Call for Papers is now open!

The 18th International Symposium on Aerodynamics, Ventilation and Fire in Tunnels Call for Papers is now open! ISAVFT 2019 will be taking place in Athens, Greece from the 25th -27th of September ... More Information

OSSA - verdict announced

The verdict involving Ossa and Statens Vegvesen (Norway) has been announced. The Spanish firm Ossa, a specialist in the construction of underground works, has won an appeal against SVV (Statens ... More Information

West Section of Tel Aviv Red Line Completed.

West Section of Tel Aviv Red Line Completed.

On September 20, 2018, the last CREG TBM (ø 7.54m) successfully broke through into the Carlibach Station in Tel Aviv, Israel.  The project used 6 sets of CREG EPBs and the contractor ... More Information

WTC 2019

The deadline to submit papers for WTC 2019 has been postponed until September 23rd  2018. Papers should be submitted in Microsoft Word (.doc) and PDF (.pdf not zipped) and according to the ... More Information

RO-KA-TECH 2019

The bi-annually German underground infrastructure trade fair will take at the Kassel Exhibition Center from May 8th  to 10th, 2019. Around 300 exhibitors are expected from around 20 ... More Information

Palermo railway link tunnel complete

Palermo railway link tunnel  complete

RFI and the Italian-Spanish consortium SIS celebrated the breakthrough of the Notarbartolo-Belgio tunnel for the Palermo railway. The Marisol TBM (diameter 9,40 m) completed the tunnel excavation ... More Information

Karavanke railway tunnel

The Karavanke tunnel between Slovenia and Austria has been undergoing maintenance and renovation work. The complete renovation of the tunnel is scheduled to be finished between 2020 and 2021. The ... More Information

Mumbai - Two new metro projects approved

On the 11th of September 2018 the Maharashtra government approved the implementation of two metro projects for Mumbai: the Dahisar-Mira Bhayander section for the metro Line 9, and the 3.17 km ... More Information

WTC 2019 - Deadline paper submission postponed

The deadline to submit papers for WTC 2019 has been postponed to September 16th 2018. Papers should be submitted in Microsoft Word (.doc) and PDF (.pdf not zipped) and according to the official ... More Information

Innotrans 2018

The international trade fair for Transport Technology, Innovative Components, Vehicles, Systems will be held at the Berlin Messe from the 18-21st September, 2018. The European Commissioner for ... More Information

Robbins Crossover TBM “Rosie” flexes her Muscle

Robbins Crossover TBM “Rosie” flexes her Muscle

Massive XRE Machine breaks through at Akron OCIT On August 29, 2018, a 9.26 m (30.4 ft) diameter Robbins Crossover (XRE) TBM crossed the finish line at the Akron Ohio Canal Interceptor Tunnel ... More Information

AGJV Press release

AGJV Press release

Celebrations as the TBMS of The Follo Line breakthrough at the same time. The tunnel excavation in the Nordic region's longest rail tunnel has just reached its target towards Oslo city ... More Information

HERRENKNECHT Rock-solid tunnelling: double breakthrough on the Follo Line

HERRENKNECHT Rock-solid tunnelling: double breakthrough on the Follo Line

Royal double breakthrough in Oslo.  After about 9 kilometers each through tough gneiss, on Tuesday, September 11, 2018 the twin tunnel boring machines from Herrenknecht "Queen Eufemia" and ... More Information

CTS Cordes seals for tunnel construction

CTS Cordes seals for tunnel construction

For almost 60 years CTS Cordes tubes & seals GmbH & Co.KG (Division of CORDES Group) from Germany has been a reliable industry partner in providing sealing solutions for pipeline and ... More Information

West Gate Tunnel borer naming competition launched

Victorians will play an important part in the Andrews Labour Government’s Metro Tunnel and West Gate Tunnel projects, naming the six gigantic tunnel boring machines (TBMs) that will begin ... More Information

Designs unveiled for North East Link

The Andrews Labour Government today unveiled detailed designs for the North East Link – giving Victorians their first look at the state’s biggest ever road project. With the ... More Information

Open Tunnel Day: Ahrental - Aldrans - Ampass, September 16th, 2018

This year, you have the unique chance to visit the entire underground area between the Ahrental access tunnel, Aldrans and Ampass and to see the different steps required to build a tunnel lining ... More Information

SAIE - BIM & DIGITAL Awards 2018

In July this year the BIM & DIGITAL Awards 2018 were launched. The awards are part of the SAIE program taking place in Bologna, Italy from the 17th to the 20th of October 2018. The aim of the ... More Information

Update for Metro Line 1 in Turin

Work continues on the construction of the Turin Metro, the TBM Masha, completed the excavation of the Lingotto-Bengasi tunnel line 1, and has been dismantled and extracted from the back station of ... More Information

Follo line project - Live streaming of the breakthrough available

Press release from Bane Nor Follow the tunnel race in Oslo: The event will be streamed from inside the mountain hall and you are most welcome to take part in the event on this website, ... More Information

Underground Construction Prague 2019 – call for abstracts

Underground Construction Prague 2019 – call for abstracts

Abstract Submission Deadline - September 30, 2018 Method of Submission - please click here On-line Abstract Submission Form Guidelines for submission of abstracts All abstracts must ... More Information

Quito Metro update

On the 27.08.2018 the TBM ‘Luz de America’ reached the La Alameda Station, Line 1 of the Quito Metro. The TBM, started excavating from the Solanda Station in April 2017, and has driven ... More Information

Colombia - Toyo Tunnel project

Colombia - Toyo Tunnel project

The Toyo tunnel project includes 18 tunnels divided into two sections. On the 26.01.2018 FCC Construccion began building section one, this section will improve connectivity between Medellin and ... More Information

Colombia - Tesalia Tunnel

Colombia - Tesalia Tunnel

To date more than 1000m of the main Tesalia tunnel (length 3.4km), which is part of the Pacifico 3 highway in Colombia has been excavated. The tunnel project will connect Antioquia, the Coffee ... More Information

Looking for the “Water Mist “Researcher 2019

Looking for the “Water Mist “Researcher 2019

Since 2016, the International Water Mist Association (IWMA) has honoured young researchers who dedicate their masters and/or Ph.D. theses to water mist technology. The call for submissions for ... 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