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

Kalkaji Mandir - Janakpuri Delhi West section of Line 8 inaugurated

Kalkaji Mandir - Janakpuri Delhi West section of Line 8 inaugurated

On the  28.05.2018 the flagging-off ceremony was held for the Kalkaji Mandir - Janakpuri West section of Line 8 (Magenta Line) in  Delhi. The 24.82 km Janakpuri West – Kalkaji Mandir ... More Information

Europe’s First Robbins Crossover Makes Breakthrough

Europe’s First Robbins Crossover Makes Breakthrough

Moglicë Headrace Tunnel - On May 3, 2018 a 6.2 m (20.3 ft) diameter Robbins Crossover (XRE) TBM broke through, marking the completion of the first TBM-driven tunnel in Albania. The TBM, ... More Information

Melbourne Metro – updated station designs revealed

Melbourne will be home to five stunning new landmarks when the underground stations for the Metro Tunnel open in 2025. Designs for the stations, unveiled earlier today, combine functionality, ... More Information

The Ahmedabad Metro Rail Project Phase-I

The Ahmedabad Metro Rail Project Phase-I

The 39.259 km Ahmedabad Metro Rail Project Phase-I with 32 stations will connect 4 corners of the Ahmedabad city with 2 corridors. The 18.522 km North-South Corridor, completely elevated with 15 ... More Information

ITA Tunnelling Awards 2018 in Chuzhou

ITA Tunnelling Awards 2018 in Chuzhou

A few days left to submit entries -  Since 2015, the international competition "the ITA Tunnelling Awards" seeks and rewards the most ground-breaking innovation and outstanding projects in ... More Information

TERRATEC TBMs continue to succeed in India

TERRATEC TBMs continue to succeed in India

As Gulermak-TATA Projects JV celebrates the early completion of TBM tunnelling on Phase 1 A of the Lucknow Metro, Larsen & Toubro India Ltd. gears up for launch on Package 2 of the Ahmedabad ... More Information

Spanish Puertollano bypass approved

The Fomento approved the public information document, the technical document of the project and the Environmental Impact Study for the northern bypass of Puertollano (Ciudad Real Province). The ... More Information

Crossrail - Moving Ahead

Europe’s biggest infrastructure project is now in its final stages - all the platform screen doors are installed with testing underway, installation of the overhead power equipment in the ... More Information

Fugro seminars to help clients reduce ground risk

Fugro seminars to help clients reduce ground risk

 Construction professionals can tap into cutting edge approaches to site characterisation and ground risk modelling at free seminars being run this summer by global geoscience leader ... More Information

The ITA tunnelling awards 2018

The ITA tunnelling awards 2018

ITA Tunnelling Awards 2018 in Chuzhou – One week left to submit entries Since 2015, the international competition "the ITA Tunnelling Awards" seeks and rewards the most ground-breaking ... More Information

Turn Key Tunnelling - USA Positions available

Turn Key Tunnelling - USA Positions available

Turn key tunneling are looking for the following personnel. To apply you must be eligible to work in the USA. Do not apply for these positions if you are not.     CONSTRUCTION ... More Information

NAT Conference - Register and Save Before It’s Too Late!

NAT Conference - Register and Save Before It’s Too Late!

Register by May 25 to receive the best conference rate and save! ... More Information

Helsinki-Tallinn tunnel Task Force

The report recently released about the Helsinki-Tallinn tunnel Task Force chaired by the Ministry of Transport and Communications states that due to the scale and complexity of ... More Information

International Seminar in Greece

 Challenges and Innovation 9 -15 NOVEMBER 2018 THESSALONIKI, GREECE ARISTOTLE UNIVERSITY OF THESSALONIKI SCHOOL OF CIVIL ENGINEERING THE SEMINAR IS ADDRESSED TO: Construction Engineers ... More Information

Zojila Tunnel Update

On 19.05.2018 the Prime Minister, Shri Narendra Modi, attended the Closing Ceremony of the Birth Centenary Celebration of the 19th Kushok Bakula Rinpoche in Leh and he unveiled a plaque to mark ... More Information

WTC 2019 - Naples

WTC 2019 - Naples

The deadline submission for the call for abstract has been postponed to June 8, 2018 Having ascertained an important response for the call, and in consideration of the fast-growing number of ... More Information

CIFA Newsletter 18

CIFA Newsletter 18

For all the latest information on CIFA and their 90 years of innovation please read their newsletter just click here! .20/18. More Information

COWI wins Singapore super sewer design contract

COWI wins Singapore super sewer design contract

In partnership with CPG Corporation, COWI has been awarded the design works for Contract T-09 of the Deep Tunnel Sewerage System (DTSS) Phase 2. The contract was awarded by Leighton Asia, who are ... More Information

Dos Santos International – Paris tunnelling project

Dos Santos International – Paris tunnelling project

DOS SANTOS INTERNATIONAL STARTS UP FIRST OF TWO SANDWICH CONVEYORS FOR PARIS TUNNELING PROJECT Marietta, GA - Dos Santos International is now starting up one of two DSI GPS (Gently Pressed ... More Information

Robbins White Papers

Robbins White Papers

If you need more in-depth explanations of Robbins products, browse through our white papers. These downloadable and printable papers, written by Robbins employees, cover everything from disc ... More Information

Norwegian Tunnel Safety Conference 2018

Norwegian Tunnel Safety Conference 2018

NORWEGIAN TUNNEL SAFETY CONFERENCE 2018 18 - 19 June 2018 in Stavanger, Norway Welcome and listen to the Norwegian view of tunnel safety. The NTSC’s unique approach brings together tunnel ... More Information

Future Trends in Infrastructure

Future Trends in Infrastructure

On the 15.05.2018 Pietro Salini, Chief Executive of Salini Impregilo spoke during a panel discussion called “Future Trends in Infrastructure”. The panel was organised and held at the ... More Information

Swedfan ventilation in China

Swedfan ventilation in China

SWEDFAN DELIVER VENTILATION TO KASHUANG WATER TUNNEL, CHINA. In the north-west corner of China in the Xinjiang province, tunnelling works have begun. This tunnel stretches along the Mongolian ... More Information

18th International Water Mist Conference – Event Page online now

18th International Water Mist Conference – Event Page online now

The conference webpage for the 18th International Water Mist Conference (IWMC) is now online if you wish book to attend! The event will take place in London, UK, on 19th and 20th September 2018. ... More Information

TfL granted powers to progress with Silvertown Tunnel

TfL granted a Development Consent Order (DCO) by the DfT "New river crossings are vital for the future prosperity of east London, and the scheme will have a substantial impact unlocking new jobs ... More Information

Two days left to enter Robbins Webinar

Two days left to enter Robbins Webinar

Event Information: Is Your TBM in A Tight Spot? How to Get Through Squeezing Ground, Rock Bursting, and More Registration is required to join this event. If you have not registered, please do so ... More Information

The 30th Annual BTS Dinner 2018

The 30th Annual BTS Dinner 2018

The BTS dinner was held at The Brewery in London, and this year was its 30th anniversary as it began in 1989. The annual dinner is a popular event within the tunnelling industry. This year the ... More Information

New appointment at AECOM

New appointment at AECOM

AECOM's Design and Consulting Services group appoints Nasri Munfah as Director of Tunneling and Underground Engineering NEW YORK, (May 10, 2018) — AECOM, a premier, fully integrated ... More Information

2018 North American Tunnelling Conference!

2018 North American Tunnelling Conference!

Register by May 25 to receive the best conference rate and save!   Don’t miss out on industry-leading FIELD TRIPS and SHORT COURSES at the 2018 North American Tunnelling Conference! ... More Information

USA - Three teams shortlisted for HRBT Extension Project

USA - Three teams shortlisted for HRBT Extension Project

Three private-sector teams will be invited to submit technical proposals and prices to design and construct improvements to the I-64 (Interstate 64) corridor between I-664 in Hampton and ... More Information

Turin/Lyon - EPSF go ahead with the preliminary safety dossier

On April 27th, the EPSF (Public Railway Safety Establishment) approved the preliminary safety file concerning the infrastructure of the cross-border section, in application of Decree 2006-1279 on ... More Information

BART to San Jose General Engineering Consultant Information Forum

BART to San Jose General Engineering Consultant Information Forum

BART to San Jose General Engineering Consultant Information Forum Date: Tuesday, May 15 Location: San Jose Convention Center 408 Almaden Blvd. San Jose, California The Santa ... More Information

Assembly of Millicent and Ursula nearing completion

Assembly of Millicent and Ursula nearing completion

The assembly of Tideway’s two largest Tunnel Boring Machines has reached a key milestone with their most important components now attached, as the start of tunnelling on London’s new ... More Information

Thames Tideway named in The Times Top 50 Employers for Women 2018

Thames Tideway named in The Times Top 50 Employers for Women 2018

Tideway, the company building London’s super sewer, has been named in The Times Top 50 Employers for Women 2018 with its Chief Executive Officer Andy Mitchell a finalist in the Gender ... More Information

Underground Construction Prague 2019

Call of Abstracts The 14th International Conference entitled “Underground Construction Prague 2019’’ will be held at the Clarion Congress Hotel in Prague, Czech Republic, on ... More Information

Upcoming railway projects in Norway

On 19.04.2018 the Bane NOR's Railway Tender Conference 2018 was held in Oslo. The conference focused on facilitating meetings between main contractors and suppliers within the field of railway and ... More Information

Tunnelling News

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

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