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Robbins Double Shield sees the light in Sochi

Robbins Double Shield sees the light in SochiIn early March 2011, the 6.2 m-diameter Robbins Double Shield TBM crossed the finish line in Sochi, Russia. The machine completed a 4.5 km-long section ... More Information

BASF expands in Norway

BASF expands in NorwayBASF is investing EUR1 million in a new production plant for alkali-free accelerators at Granerud, Norway. The product, launched in 2010, increases the early strength of the ... More Information

Job opportunities in Central America

Job opportunities in Central AmericaiPS has the following vacancies in Central America for a highway construction project using drill/blast techniques. Contract duration is expected to be a minimum ... More Information

Gotthard base tunnel final breakthrough

Gotthard base tunnel final breakthroughOn 23.03.2011 at 12.20 pm miners excavated the last few metres of rock in the west tube of the Gotthard base tunnel between Faido and Sedrun. Coming some five ... More Information

Geodata - turning data into information

Geodata - turning data into informationThe GEODATA group supplies integrated, IT-based solutions and services for monitoring, engineering surveying and information technology. Backed by 20 years of ... More Information

Extension of line B of Lyon metro

Extension of line B of Lyon metroOn 02.03.2011 Herrenknecht TBM Agata entered the future Oullins station of the extension of Line B of Lyon metro. The event signalled completion of excavation of the ... More Information

Excavation starts on Avraysa tunnel beneath Bosphorus

Excavation starts on Avraysa tunnel beneath Bosphorus On 26.02.2011 Turkish Prime Minister Recep Tayyip Erdogan attended the groundbreaking ceremony of the 5.4 km-long, double-deck Avraysa tunnel ... More Information

Fiasco breakthrough in Calabria

Fiasco breakthrough in CalabriaOn 23.02.2011 tunnelling subcontractor Cipa SpA broke through in the Fiasco road tunnel (521 m, 482 m), lot DG21 on the SS106 Jonica in Calabria, Italy bringing the ... More Information

New Tyne road tunnel opens in north England

New Tyne road tunnel opens in north England The 1.5 km-long second Tyne road tunnel opened to traffic on 25.02.2011 after nearly three years work. The new tunnel will initially have one lane of ... More Information

Chamartín-Atocha rail tunnel through

Chamartín-Atocha rail tunnel throughDuring February 2011 the 7.3 km-long trans-Madrid railway tunnel linking the stations of Atocha and Chamartin broke through. The tunnel is 45 m below the ... More Information

SEBHSA launches new shotcrete pump

SEBHSA launches new shotcrete pumpFor nearly four decades Sociedad Española de Bombas de Hormigón S.A. (SEBHSA) has manufactured all kinds of concrete pumps with its own technology, and ... More Information

Elche rail tunnel excavation complete

Elche rail tunnel excavation complete Excavation of the 1,288 m-long Elche tunnel, of which 255 m was cut/cover, was completed on 24.02.2011. The tunnel is on the El Carrus-Elche section of the ... More Information

SMOPYC 2011 in Zaragoza

SMOPYC 2011 in ZaragozaThis important international show of public works, construction and mining equipment takes place in sunny Zaragoza in northern Spain from 5-9th April, 2011. SMOPYC has ... More Information

Fiscal-Balopur tunnel refurbishment approved

Fiscal-Balopur tunnel refurbishment approved The provisional plan for the improvement of the Fiscal-Balupor tunnel section of the N-260, Pyrenean axis, in the Spanish province of Huesca has received ... More Information

Samoter at Verona in March

Samoter at Verona in MarchThe 28th edition of Samoter at Verona from March 2-6, 2011 will welcome the best Italian and international brands in the following sectors: earth moving, concrete, road ... More Information

New section of Torino metro Line1 opens

New section of Torino metro Line1 opensConstruction of six new stations on the new 3.7 km underground section of the metro Line 1 was completed mid-January, 2011. These are at Marconi, Nizza, Dante, ... More Information

Registration still open for Auckland conference

Registration still open for Auckland conferenceThere are just two weeks to go until the 14th Australasian Tunnelling Conference in Auckland, New Zealand on 8-10th March, 2011. The theme "Development ... More Information

MRS Underground Intelligence

MRS Underground IntelligenceFor 25 years, MRS has provided the tunnelling industry with advanced custom designed engineered communications and safety solutions. These are designed and implemented to ... More Information

CIFA for construction equipment

CIFA for construction equipmentHeavy investment in research, development and product quality has enhanced CIFA know-how and experience, creating a solid foundation for customers in the worldwide ... More Information

BASF MEYCO team for Crossrail

BASF MEYCO team for CrossrailThe MEYCO UK tunnel team is being doubled in size to support London's Crossrail project, where the company is supplying a whole range of solutions for sprayed concrete, ... More Information

Coentunnel elements readied for Amsterdam

Coentunnel elements readied for Amsterdam Four completed tunnel elements occupy the construction dock on the old Maas at Barendrecht, each 178 m-long x 26 m-wide. They will be individually towed by ... More Information

Central Pyrenees rail crossing invitation

Central Pyrenees rail crossing invitationCommunauté de Travail des Pyrénées (CTP) has published a second invitation, deadline 03.05.2011, requesting proposals for the rail crossing through the ... More Information

Viatec road construction and infrastructure maintenance show

Viatec road construction and infrastructure maintenance showFrom 17th to 20th March 2011 in Bolzano Exposition Centre the 7th trade show for road construction and infrastructural planning in the ... More Information

Perpignan-Figueres cross-border rail link opens

Perpignan-Figueres cross-border rail link opens On 27.01.2011 the 44.4 km Perpignan-Figueras railway section was inaugurated between France and Spain, including the new 8 km-long bi-tube Perthus ... More Information

Daetwyler for reliable sealing systems

Daetwyler for reliable sealing systemsDaetwyler is a leading provider of innovative, custom-designed solutions for sealing in high quality applications in the tunnelling industry, offering a wide ... More Information

Tendering process resumes for Alpine tunnels

Tendering process resumes for Alpine tunnels The Intergovernmental Committee for the improvement of the links in the Southern Alps (CIG) held on 31.01.2011 in Paris has unlocked the tender ... More Information

Robbins TBMs underway at Pahang-Selangor

Robbins TBMs underway at Pahang-SelangorThree Robbins 5.2 m-diameter high performance main beam TBMs are being deployed to drive the tunnels of the Pahang-Selangor project that will provide water ... More Information

Shaft construction for Barcelona TBM

Shaft construction for Barcelona TBM On 01.02.2011 construction of the 25.3 m-long, 17.4 m-wide, 26.8 m-deep TBM exit shaft began at the intersection of routes Entenca and Provenca street in ... More Information

Blanka tunnel breakthrough in Prague

Blanka tunnel breakthrough in PragueThe final blast took place on 13.01.2011 in the north tube of the Blanka tunnel between Letna and Troja. The tunnel passes under the junction of Korunní and Jana ... More Information

Top job at Aker Wirth

Top job at Aker WirthAs a consequence of the recession, Aker Wirth CEO Christoph Kleuters foresees a shortage of skills that could impede recovery. He feels this can be overcome by intensive ... More Information

GIA pulls large order for Pahang Selangor

GIA pulls large order for Pahang SelangorGia Industrie AB, the Swedish manufacturer of ventilation fans, loaders, locomotives and rolling stock is supplying the Pahang Selangor water transfer ... More Information

Four weeks to Auckland conference

Four weeks to Auckland conferenceThe technical programme has been released for the 14th Australasian Tunnelling Conference in Auckland, New Zealand on 8-10th March, 2011, the theme of which is ... More Information

BASF workshop for waterproofing designers

BASF workshop for waterproofing designersMEYCO Underground Construction solutions will be the focus of a workshop in Trondheim, Norway on 15-16th March, 2011. Permanent waterproof single-shell ... More Information

Quejigares TBM excavation complete

Quejigares TBM excavation complete On 11.01.2011 TBM EPB excavation of the second tube of Quejigares tunnel was completed on the 4.9 km Arroyo de la Viñuela-Quejigares section of the ... More Information

Excavation commences on Vitoria-Bilbao-San Sebastián line

Excavation commences on Vitoria-Bilbao-San Sebastián line Conventional excavation has commenced of San Roman tunnel (778 m, section 95 sq m) and Ganzelai tunnel (1,405 m, section 85 sq m) on the ... More Information

ISTSS 2012 call for papers

ISTSS 2012 call for papers The 5th international symposium on tunnel safety and security is scheduled for the Roosevelt Hotel, New York, NY on March 14-16, 2012. Second call for papers has been ... More Information

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Tunnelling News

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

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