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Tideway project - TBM Charlotte completes connection tunnel drive

Tideway project - TBM Charlotte completes connection tunnel drive

At the beginning of this month TBM Charlotte completed her journey to the Carnwath Road reception chamber at Fulham, finishing a 1.1km connection tunnel, at a depth of 30 m. It will take sewage ... More Information

ITA ANNOUNCEMENT - WTC 2020 Kuala Lumpur, Malaysia

ITA ANNOUNCEMENT - WTC 2020 Kuala Lumpur, Malaysia

The Institution of Engineers, Malaysia (IEM) has advised the International Tunnelling and Underground Space Association (ITA) that WTC 2020 in Kuala Lumpur, Malaysia is cancelled. The Executive ... More Information

Grand Paris Express tunnel works restarted

 Grand Paris Express tunnel works restarted

Line 15 - On 18/06/20 the TBM Amandine, who started out from the Arcueil Cachan station (Line 15, lot T3C), broke through the wall of the future Villejuif IGR (Institut Gustave Roussy) station. The ... More Information

Fehmarn tunnel

Boskalis and joint venture partner Van Oord have started work on the construction of what will be the largest port in Europe for the Fehmarnbelt project in Robyhavn.  The working harbour ... More Information

Terratec - Argentina’s President kicks-off landmark Agua Sur tunnel

Terratec - Argentina’s President kicks-off landmark Agua Sur tunnel

CMC di Ravenna recently marked the commencement of the Río Subterráneo a Lomas tunnel, in Argentina, with a cutterhead lowering ceremony that was attended by the country’s President Alberto ... More Information

EU special infrastructures report: more speed needed in megaproject implementation

EU special infrastructures report: more speed needed in megaproject implementation

The ECA (European Court of Auditors) audited the Commission’s management of the following 8 cross-border transport megaprojects in thirteen Member States: 1) Rail Baltica: a rail line ... More Information

Feedback for Sydney Metro West EIS

The Sydney Metro West EIS (Environmental Impact Statement) went on exhibition 30th  April and the community has until 26/06/2020 to provide feedback. This is one of three EISs for the project ... More Information

Final Koralm tunnel breakthrough

Final Koralm tunnel breakthrough

On June 17th 20202 the final breakthrough in the north tube of the Koralm tunnel took place. Since 2014, tunnellers have dug through the mountain from Carinthian Lavanttal with the TBM Kora. After ... More Information

Warsaw metro Line 2 update

Warsaw metro Line 2 update

On the 12/06/2020 TBM Maria  broke through at the C20 Kondratowicza station. The TBM completed the first part of the right tunnel on the north-east section of metro Line 2 in Warsaw. The ... More Information

Tideway Sewer updates

Tideway Sewer updates

Tideway is building a new 25km super sewer,  deep beneath the Thames, where around two million tonnes of sewage overflowing from the pumping station and into the River every year, will be ... More Information

New images of 1ST Chiltern tunnels launch site

New images of 1ST Chiltern tunnels launch site

The excavation of the TBMs launch site and the construction of the concrete precast plant for the Chiltern tunnels on the London to Birmingham high speed rail line, HS2 First Phase project has now ... More Information

Zitron carries out successful test of axial fan

Zitron carries out successful test of axial fan

On the 04/06/2020 Zitron successfully carried out the most challenging high temperature test to date on a tunnel axial fan: 600 ºC for 120 minutes. These fans will be installed at the ... More Information

Successful passage of TBM Gaia under the Rhine-Schie canal

Successful passage of TBM Gaia under the Rhine-Schie canal

On the 16th of June comol5 celebrated a major milestone by successfully drilling under the Rhine-Schie Canal for the second time. It was the most difficult and exciting part of the drilling ... More Information

Green light from Michigan Court of Appeals for the Great Lakes oil pipeline tunnel

On the  11/06/2020 the Michigan Court of Appeals ruled that legislators did not violate the state constitution by allowing construction of an oil pipeline tunnel beneath a channel linking two ... More Information

Geofluid 2021

Geofluid 2021

Piacenza Expo has decided to postpone the GEOFLUID exposition until 2021. The new date for your diaries will be the 15th  to the 18th of  September 2021 at the exhibition centre ... More Information

A1 Santa Lucia tunnel breakthrough

On the 08/06/2020 the TBM EPB S-900 Herrenknecht (diameter 15.87 m) completed the excavation of the 7551 m Santa Lucia tunnel on Barberino di Mugello - Calenzano section, A1 Motorway in Italy. ... More Information

Prior Information Notice for the Sucre III Water Conveyance System

ELAPAS (Empresa Local de Agua Potable y Alcantarillado Sanitario) from the city of Sucre, Bolivia, has published the Prior Information Notice for the Sucre III Water Conveyance System (Lot ... More Information

WTC 2021 - deadline for abstracts extended

ITA-AITES and the Danish Society for Tunnels and Underground Works (DFTU) call for abstracts for the World Tunnel Congress 2021 in Copenhagen 16-19 May 2021 has been extended to the 16 June 2020. ... More Information

The Big 5 in Dubai postponed

The Big 5, the annual trade event connecting the global construction community in Dubai, is moving dates from 23-26 November 2020 and will be held next on 12-15 September 2021, at the Dubai World ... More Information

A Virtual visit to the Robbins booth at NAT

Don't forget to stop by the Robbins booth at the North American Tunnelling (NAT) virtual trade show, where you can view a curated selection of Robbins latest news, white papers, videos and ... More Information

NAT week is almost here!

Are you ready for the North American Tunnelling (NAT) Virtual Conference? Register and get a week full of informative talks on intriguing topics from June 8-12. Visit  ... More Information

The ITA tunnelling awards 2020

The call for entries has been extended until the 23rd  June 2020 for the 6th edition of the international tunnelling and underground space awards. The ITA Awards  will take place at the ... More Information

First two tenders for the Ontario Line

First two tenders for the Ontario Line

Infrastructure Ontario (IO) and Metrolinx have issued two Requests for Qualifications (RFQs) for the Ontario Line project.  The Ontario Line is a 15.5-km stand-alone rapid transit line that ... More Information

TBMs for Bangalore Metro Line-4

On 28/05/20 Larsen & Toubro began lowering parts of TBM DZ669 (named Avni) and DZ671 (named Vindhya) into the Shivajinagar and Cantonment stations, respectively, for driving tunnels on the ... More Information

Balfour Beatty joint venture awarded HK$7.2 billion (c. £760 million) major tunnel project at Hong Kong International Airport

Balfour Beatty today announces that its 50:50 joint venture, Gammon Construction, has been awarded a HK$7.2 billion (c. £760 million) contract to deliver tunnels and associated works for an ... More Information

Greenlight for E6 Ranheim-Vaernes highway

Greenlight for E6 Ranheim-Vaernes highway

Acciona and Nye Veier, the Norwegian state highway authority, have reached an agreement to proceed to the next stage of the design and construction of the E6 Ranheim-Værnes highway. Work is ... More Information

Deutsche Bahn milestone in Stuttgart.

Deutsche Bahn milestone in Stuttgart.

On the 06/05/2020 Deutsche Bahn reached another important milestone as part of the Stuttgart 21 project, by breaking through the east tube of the 9.5-km-long Filder tunnel: the last of four tunnels ... More Information

TERRATEC EPBMs achieving good progress on Istanbul Metro

TERRATEC EPBMs achieving good progress on Istanbul Metro

A number of TERRATEC Earth Pressure Balance TBMs are achieving great progress rates on new lines for Istanbul’s ongoing metro expansion despite the Covid-19 outbreak. TERRATEC is pleased to ... More Information

Penetron Crystalline Technology for new tunnel

Penetron Crystalline Technology  for new tunnel

The Penetron Italy team were approached to provide a waterproofing solution for an underground pedestrian tunnel, elevator shafts, and different concrete structures for the new San Martino ... More Information

EUROCK 2020 Postponed

The 2020 ISRM International Symposium will be held on 12-14 October 2020. The event will take place at the same venue in Trondheim, Norway. All associated ISRM meetings will also be moved to new ... More Information

Alice and Millie Tunnelling East

Alice and Millie Tunnelling East

Metro tunnel in Australia have reached another major milestone, with tunnel boring machines (TBM) Millie and Alice now both on their way to South Yarra. The green TBM Alice, named after wartime ... More Information

Metro Line 2 in Warsaw - update

Metro Line 2 in Warsaw - update

There are four TBMs Krystyna and Elisabetta, Maria and Anna that are being used to tunnel the central Targowek and Wola sections of the Warsaw metro line 2. TBMs Krystyna and Elisabetta will now ... More Information

First stone laid for SS 106 Ionian Highway

On the 19/05/20 in Francavilla Marittima in Cosenza province, the first stone was laid for the Mega Lot 3 of the SS 106 Ionian Highway. The EUR980 million project, was commissioned by state road ... More Information

STRATA LAUNCHES NEWLY DESIGNED EMERGENCY REFUGE CHAMBER (ERC)

 Strata Worldwide is excited to announce the global launch of its next generation emergency refuge chamber; the Strata ERCX. The Strata ERCX is a steel-sided, walk-in refuge chamber for use ... More Information

Brighter, lighter conditions for George Massey Tunnel

Work is underway to improve brightness and visibility in the George Massey Tunnel. Claire Trevena, Canadian Minister of Transportation and Infrastructure, said the government continues to move ahead ... More Information

Press release - Swiss Tunnel Congress (STC) 2020 – Webinar

This year’s Swiss Tunnel Congress will be taking place in the form of a webinar due to the current worldwide pandemic (COVID-19). A video of the recorded congress will be published on the ... More Information

Tunnelling News

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

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