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Metro construction in Santiago

On 09.11.2013 construction started on the Los Leones station of Santiago metro Line 6. More Information

Transmission line Sorgente-Rizziconi

Transmission line Sorgente-Rizziconi

The underground link between the Favazzina arrival location of the submarine cables and the Scilla power station is key to the new 380 kV AC double-circuit Sorgente-Rizziconi transmission line to link Sicily and Calabria. More Information

World TBM records

For a comprehensive list of TBM records by diameter and type visit More Information

Sandvik jumbos for Tampere

Sandvik jumbos for Tampere

Top Finnish infrastructure company Lemminkainen has chosen Tamrock DT1131i jumbos to excavate the 2.3 km-long Rantavayla tunnel on its Lakeside Route project in Tampere More Information

2nd Eastern European Tunnelling Conference

Abstract submission deadline for next year’s Eastern European Tunnelling Conference is 30.11.2013. More Information

Breakthrough for Crossrail

Breakthrough for Crossrail

On 07.11.2013 Crossrail reached another important milestone as 1,000 t TBM Elizabeth broke into Stepney Green Cavern, one of Europe’s largest mined caverns, in the East End of London. More Information

Fehmarnbelt pre-bid conference

From 12-15th November, Femern A/S will gather together around 125 representatives from the nine consortia that have pre-qualified to bid for work on the immersed tunnel. More Information

TBM Bertha stops for maintenance

A week ago, Seattle’s SR 99 tunnelling machine Bertha stopped near South King Street for scheduled maintenance. More Information

Visit ES Rubber at STUVA

Visit ES Rubber at STUVA

A warm invitation from ES Rubber, renowned manufacturer of gaskets for segmental lining elements, to visit booth G122 More Information

Sandvik roadheaders for Confederation Line

Sandvik roadheaders for Confederation Line

Three Sandvik MT720 roadheaders will be used to excavate the 2.5 km-long tunnel on Ottawa’s 12.5 km-long Confederation Line. More Information

STUVA Conference 2013 in Stuttgart

STUVA Conference 2013, with the slogan ‘’Tunnels – Infrastructure for the Future’’ will be held at the Congress Centrum of Stuttgart from 27-29th November, 2013 More Information

New Irvington Tunnel excavated

On 08.10.2013 the final breakthrough for the 5.7 km-long New Irvington tunnel was recorded. More Information

Breakthrough at Steinbuehl

Breakthrough at Steinbuehl

On 30.10.2013 first breakthrough was accomplished on the 4.847 km-long Steinbuehl tunnel on the 15 km-long Wendlingen-Ulm section 2.2 at Stuttgart. More Information

Breakthrough in Abu Dhabi

On 08.10.2013 boring of the 41 km-long Abu Dhabi deep sewer tunnel was completed at internal diameters up to 5.5 m. More Information

News from Leeds

The third and final part of a major scheme to fix the Leeds Inner Relief Road can go ahead after the Department for Transport approved EUR19 million. More Information

Marmaray tunnel opens

The first tunnel to connect two continents has finally opened in Turkey. The Marmaray tunnel beneath the Bosphorus is the world’s deepest immersed tube at 55 m below sea level at its lowest point. More Information

ATS call for abstracts

Abstract submission deadline for next year’s Australasian Tunnelling Conference is 25.11.2013. More Information

Delhi metro start at INA

Delhi metro start at INA

DMRC has started TBM tunnelling Delhi metro from INA to South Extension on the Mukundpur-Shiv Vehar corridor as a part of its Phase 3 More Information

MineARC refuge chambers for tunnels

MineARC refuge chambers for tunnels

MineARC systems specializes in designing and custom building refuge chambers for the safe retreat of personnel engaged in tunnelling and underground construction. More Information

iPS in Middle East

iPS in Middle East

Barrie Willis, tunnelling manager with international recruitment agency iPS, is visiting the Middle East this week to discuss opportunities for various infrastructure and tunnelling projects in Qatar and elsewhere More Information

Femern A/S submission in Germany

Femern A/S has officially handed in its overall application for approval of the Fehmarnbelt Fixed Link in Germany. More Information

Toronto-York Spadina breakout

On 07.10.2013 TBM Yorkie broke through the headwall at the extraction shaft located on Highway 7, More Information

ILMEG products AB launches dust collector system

ILMEG products AB launches dust collector system

ILMEG develops, manufactures, markets and sells dust control systems for the construction, tunnelling and mining industries. More Information

Robbins’ VP Joe Roby on cutting tools

Robbins hopes to see you at stand 26 at the Queen Elizabeth II Conference Centre during the BTS conference in London from October 23-24th, More Information

New website for ES Rubber

New website for ES Rubber

Since 1968, ES Rubber has designed, developed and manufactured superior rubber solutions for global industries. More Information

Terratec delivers number six TBM

Terratec delivers number six TBM

TBM manufacturer Terratec has now delivered six of the eight TBMs ordered for Delhi Metro Phase 3. More Information

40th birthday for Seven Service!

40th birthday for Seven Service!

In 2013 Seven Service Srl celebrates 40 years of activity in the business of industrial paints, road markings and road barriers assembly, production of signs, More Information

Geodata increases its presence

Geodata increases its presence

Austria-based monitoring, surveying and IT company Geodata has taken a foundation sponsorship at tunnelbuilder.es, More Information

Waterview TBM to launch

Waterview’s 2.4 km-long twin tunnels, up to 45 m beneath Avondale and Waterview, both three lanes wide, are the key feature of the new six-lane, 4.8 km-long motorway being built for the More Information

San Daniele tunnel opens

On 28.09.2013 the second lot of Ora ring road opened to traffic, including the 1,062 m-long San Daniele tunnel. More Information

Work starts at Forlanini station

On 26.09.2013 the company SP M4 Scpa, composed by Impregilo Spa, Astaldi SpA, Ansaldo STA SpA, Ansaldo Breda SpA, Azienda Trasporti Milanesi SpA and Sirti SpA More Information

ES Rubber at City Build

ES Rubber at City Build

ES Rubber, producers of engineered sealing solutions for tunnels around the world, will be exhibiting at City Build, Moscow 15-17th October, 2013. More Information

Savona TBM making ready

Savona TBM making ready

Work has started on assembling TBM Lucia, which will drive the 3.9 km tunnel for the national road SS 1 Nuova Aurelia, access to the Savona harbour. More Information

Finally, Hallandsas breakthrough

Finally, Hallandsas breakthrough

On 04.09.2013 the TBM Asa had its final breakthrough on the north side of Hallandsas, completing the second 8.7 km-long tube for the double-track railway tunnel. Opening for traffic is expected in 2015. More Information

High exposure at minimum cost

The key to Internet advertising is high exposure to qualified readers, something that is guaranteed at tunnelbuilder websites. More Information

Restoration of Biassa rail tunnel

On 13.10.2013 restoration of hydraulic functionality of the platform floor will begin in the 3.8 km-long Biassa tunnel, between Riomaggiore and La Spezia on the Genova-La Spezia railway line. More Information

Tunnelling News

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

VSM starts operation at Tilbury

The pioneering Vertical Shaft Sinking Machine (VSM) from Herrenknecht, named “Verena”, after Verena Holmes, a pioneering British mechanical ... More Information

Metrolinx reveals names of Ontario Line tunnel boring machines

Following a contest, Metrolinx has officially named its two massive tunnel boring machines Libby and Corkie... More Information

Montreal blue line metro tunnel boring machine has arrived, time to dig

It's basically building the backbone of the blue line extension,” said project chief Maha Clour, pointing out that crews have reached the bottom of ... More Information

Norway Unveils The World's Longest Road Tunnel In A Majestic Engineering Marvel

The construction cost broke down to about 38,000 NOK (roughly £3,500) per meter, an impressive figure considering the complexity and scale of the ... More Information

Sydney Metro West construction captured on video ahead of 2032 opening

Two giant tunnel boring machines have made their way through the deepest section of Darling Harbour as part of works on the new Metro West. More Information

Bengaluru's ₹18,000-crore tunnel road project inches closer as four major firms submit bids

Four firms bid for Bengaluru's ₹18000 crore tunnel project linking Hebbal to Silk Board, expected to ease city traffic by 2029 under a 34-year ... More Information

Webuild advances Rocchetta Tunnel excavation

Upcoming construction milestones. Webuild is preparing for the next major phase on the Apice–Hirpinia section: the launch of the reinforced concrete ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Kathmandu-Tarai Expressway achieves 43.3% progress

The total length of the seven tunnels under the project is 10.979 km. ... Construction progress for the Chandram Bhir tunnel. (2,250 metres) has ... More Information