Tunnelbuilder Promoting the world's tunnelling industry to a huge qualified audience

View the Spanish Tunnelbuilder website View the Italian Tunnelbuilder website

Archive - News

Featured News

Komatsu acquires Joy Global to expand mining business

Komatsu acquires Joy Global to expand mining business

Joy Global Inc. will be renamed Komatsu Mining Corp.,headquarters remains in Milwaukee, WI Komatsu America Corp., a subsidiary of Komatsu Ltd. (TYO: 6301) (“Komatsu”) has completed ... More Information

Fugro seminars – Project Risk Management

Fugro seminars – Project Risk Management

FUGRO SEMINARS EXAMINE ROLE OF SITE CHARACTERISATION IN PROJECT RISK MANAGEMENT    A lack of timely, comprehensive site data is often cited as a factor in unplanned design changes, ... More Information

Malaysia to host WTC 2020

Malaysia to host WTC 2020

The announcement was made  at the closing ceremony in Bergen, Norway that Maylasia had would be the country to host the World Tunnel Congress in 2020! Well done Malaysia! ... More Information

Bane NOR  Arna-Bergen – tunnel update

Bane NOR  Arna-Bergen – tunnel update

Bane NOR is constructing a double track line between Arna and the centre of Bergen. The biggest part of the section passes through a tunnel under Mount Ulriken where Bane NOR now is constructing a ... More Information

Normet launches a new generation of equipment at WTC2017

Normet launches a new generation of equipment at WTC2017

The new offering from Normet improves the mechanization and automation of the most demanding underground work phases and sets the new standard for sprayed concrete, charging and lifting & ... More Information

WTC 2017 opening ceremony – a great success so far!

WTC 2017 opening ceremony – a great success so far!

The World Tunnel Congress 2017 in Bergen, Norway opened yesterday its theme ‘Underground Solutions for Surface Problems’ . The event began with an opening address by H.K.H. Crown ... More Information

Robbins refresh with new website

Robbins refresh with new website

Robbins is committed to bringing thought-provoking and in-depth information to the industry—a credo that their new website certainly fulfils.  Robbins is excited to bring you their ... More Information

TUCA  courses available

TUCA  courses available

If you are looking to improve your tunnelling qualifications the Tunnelling and Underground Construction Academy (TUCA) can help. The courses currently available are tunnel entry and emergency ... More Information

WTC2017 – Visit Palmieri at Booth T19

WTC2017 – Visit Palmieri at Booth T19

If you are attending WTC 2017 in Bergen, Norway you should visit Palmieri at booth T19. Palmieri is a leader in the mechanized tunnelling business, as well as a worldwide recognised leader in ... More Information

Toronto Eglinton Crosstown Project

Toronto Eglinton Crosstown Project

The Crosstown project, owned by Metrolinx and operated by the Toronto Transit Commission (TTC), is a light rail transit (LRT) line that will run across Eglinton Avenue between Mount Dennis (Weston ... More Information

NAT2018 - call for papers

The 2018 North American Tunneling (NAT) conference organizing committee has issued a call for papers which are due in by June 30th  2017. NAT 2018 will be taking place in Washington, D.C. from ... More Information

Moscow Metro update

Moscow Metro update

Moscow has built almost 21 km of metro tunnels since early 2016. Eight of 29 TBMs are currently tunnelling their way through the Moscow’s underground. Six of them, diameter 6 m, are ... More Information

First section of the Moscow TIC to open soon

Construction of the first section of the Moscow Metro Second Circle line (or Third Interchange Circuit - TIC,  61 km with 30 stations) from the station Business Center to the  Petrovsky ... More Information

Formkret - Putzmeister’s innovative formwork filling system

Formkret - Putzmeister’s innovative formwork filling system

Putzmeister will launch internationally their automated formwork filling system, Formkret at the World Tunnel Congress which will be taking place from June 9th to the 15th  in Bergen, Norway. ... More Information

TBM Angeli-Construction milestone for Regional Connector Transit Project

TBM Angeli-Construction milestone for Regional Connector Transit Project

The TBM Angeli, boring twin tunnels for the Regional Connector Transit Project, broke through at Grand Avenue Arts/Bunker Hill Station at 2nd Place and Hope Street in Downtown Los Angeles on June ... More Information

Breakthrough of the Vadlaheidi tunnel in North Iceland

Breakthrough of the Vadlaheidi tunnel in North Iceland

On 28.04.2017 the joint venture Osafl Sf Marti Contractors (50%) and IAV (50%) from Reykjavik (Iceland), completed the driving operations on the Vadlaheidi road toll tunnel in Iceland. They blasted ... More Information

TERRATEC EPBMs get into gear on Istanbul’s new DudulluBostancı Metro Line

TERRATEC EPBMs get into gear on Istanbul’s new DudulluBostancı Metro Line

 Senbay Madencilik - Kolin - Kalyon Joint venture has made good early progress on the Dudullu - Bostancı Metro Line, in Turkey, with TBM tunnel drives now fully underway .   Two TERRATEC ... More Information

Drilling & tunnelbuilding equipment up for auction

Drilling & tunnelbuilding equipment up for auction

Companies that are looking to buy heavy machinery for their current and next jobs may be able to secure a good deal at Ritchie Bros. upcoming auction in Ocaña (Central Spain). The auction - held on June 7 & 8 - features more than 2,000 pieces of equipment, trucks and other items. More Information

TELT Project update

TELT Project update

On 22.05.2017 the first stage of the “TELT at Work” roadshow was held in Turin. TELT is a project that covers the  cross-border works for the Lyon-Turin railway line. The TELT ... More Information

A dynamic time for VMT in the Asia-Pacific regions

A dynamic time for VMT in the Asia-Pacific regions

VMT are pleased to announce that the past year has been something of a good one for their tunnel guidance systems as well as for all other product solutions of the VMT portfolio – with the ... More Information

Tehran-North Freeway Project

Tehran-North Freeway Project

At the end of April 2017 the construction of the section 1 of the Tehran-Shomal Freeway (or Tehran-North Freeway) project, connecting Tehran to the city of Chalus at the Caspian Sea in the northern ... More Information

Robbins celebrates tough tunnels for clean energy

Robbins celebrates tough tunnels for clean energy

In April 2017, a ceremony was held to celebrate the commissioning of the Dariali Hydropower Project in the Republic of Georgia. Many attended the ceremony marking the first carbon-neutral ... More Information

Los Angeles Purple Line updates

On the 25.04.2017 the Los Angeles Metro held a pre-proposal conference for the Section 3 tunnel contract. They are using an innovative approach by delivering the stations and tunnels separately for ... More Information

Normet wins large order

Normet, the innovative underground technology company, has won several new orders from Hindustan Zinc, India’s only and the world leading producer of Zinc-Lead-Silver.  Hindustan ... More Information

The Fifteen Billion Pound Railway

The Fifteen Billion Pound Railway

BBC TWO’s (UK) The Fifteen Billion Pound Railway returns for a second series on 22 May at 9pm GMT to follow the construction of the Elizabeth line under London. Crossrail provided exclusive ... More Information

IWMA Conference Webpage online now!

IWMA Conference Webpage online now!

The conference webpage for the 17th International Water Mist Conference (IWMC) is now active and online! The event will take place on 25th and 26th October 2017 in Rome, Italy. The conference ... More Information

Downtown Bellevue tunnelling update

Downtown Bellevue tunnelling update

Excavation of the downtown Bellevue light rail tunnel began in February 2017 and construction crews have been working 24 hours a day, 7 days a week on tunnel construction ever since. Sound Transit ... More Information

tunnelbuilder - gives global reach for even the smallest of tunnelling companies

tunnelbuilder -  gives global reach for even the smallest of tunnelling companies

tunnelbuilder opens the doors to all tunnelling companies, putting their products in front of thousands of qualified readers. All advertisers, large and small, have one thing in common – the ... More Information

CREG Gripper TBMs First Breakthrough in Lebanon

CREG Gripper TBMs First Breakthrough in Lebanon

On 5th  May 2017, CREG’s 3.5m diameter gripper TBM LEA made its first breakthrough of its Tunnel Drive 3 as part of the Greater Beirut Water Supply Project. A celebration was held in ... More Information

Tunnelbuilder welcomes SWEDFAN

Tunnelbuilder welcomes SWEDFAN

Tunnelbuilder welcomes SWEDFAN as a new advertiser .SWEDFAN undertake the design, calculations, manufacturing and supply of complete underground ventilation systems with heavy-duty high pressure ... More Information

Robbins Special Edition Newsletter

Robbins Special Edition Newsletter

Check out Robbins Special Edition Newsletter from The Robbins Company so you can catch up on all that they have been doing lately ! For all the latest information please click on this link ... More Information

Tunneljobs needs you!

Tunneljobs needs you!

Tunneljobs is recruiting for a major tunnelling contract in the United Kingdom. So if you are looking for work currently or within the next 2 months please either send your current resume to the ... More Information

California High-Speed Rail at RETC

California High-Speed Rail at RETC

California High-Speed Rail will make a stop at the Rapid Excavation and Tunneling Conference (RETC) in San Diego, California, June 4 – 7. Featuring 100 technical sessions, short courses and ... More Information

Terratec - Extreme articulation for Bangkok flood prevention

Terratec - Extreme articulation for Bangkok flood prevention

TERRATEC Tight Radius Shields (TRS) facilitate a challenging curved alignment on a major new drainage tunnel project for the Bangkok Metropolitan Administration (BMA) .   In April 2017, ... More Information

Athens’ Line 3 Extension from Haidari to Piraeus

Athens’ Line 3 Extension from Haidari to Piraeus

On 22.03.2017 a TBM broke through at Maniatika Station on the Athens Line 3 extension to Piraeus.  By the end of March 67% of the tunnel had been completed  which equates to 50% of the ... More Information

Hopper of Almohades

Hopper of Almohades

Preparation work for a hopper for Almohades in Casablancabegan at the beginning of 2017 has now finished. This will allow for tunnelling works to start shortly. In July 2016 the turkish company ... More Information

Tunnelling News

The Boring Company Launches Free Tunnel Contest: AI Applications for Smart Infrastructure

According to Sawyer Merritt on Twitter, The Boring Company has announced a contest to build a one-mile tunnel for free, inviting proposals for ... More Information

Out of sight: spectacular HS2 tunnels offer glimmer of hope for stalling project

Despite much soul-searching over UK’s inability to build infrastructure, two sections of HS2 under Chilterns are being hailed for their engineering... More Information

HS2 January 2026 update

We’re making progress building the main infrastructure for the new line. We’ve completed 80% of tunnelling and are working on major bridges, viaducts and embankments, and HS2’s new ... More Information

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