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

SAIE 2018

SAIE 2018

The construction market is in a transformation phase. The entire construction supply chain is going through a transition phase towards new markets and new production methods. The SAIE show, which ... More Information

Plans for USD1.2 Billion Tunnelling Project in Westchester County

On the  12.07.2018 the New York City Department of Environmental Protection (DEP) announced plans for a EUR1.03 bn (USD1.2 bn) tunnelling project that will improve operational flexibility ... More Information

Fugro awarded pre-construction site investigation for HS2 Chliterns tunnel

Fugro awarded pre-construction site investigation for HS2 Chliterns tunnel

Fugro has been awarded a £5.2M site characterisation package by Align JV as part of design and construction preparation works for HS2 Phase 1 (Area: Central 1). The international ... More Information

ITA newsletter #65

ITA newsletter #65

MESSAGE FROM TARCISIO CELESTINO, ITA PRESIDENT     Dear ITA Friends The World Tunnel Congress 2018 in Dubai was successful and all the beneficial consequences for the industry are ... More Information

Monitoring, Surveying and Information Technology

Monitoring, Surveying and Information Technology

Geodata offers an easy access to data and information with 24/7 availability is a factor of success for our customers. A high degree of data integrity and reliability is therefore a key parameter ... More Information

Twin Robbins Crossover TBMs to bore on Mumbai Metro Line 3

Twin Robbins Crossover TBMs to bore on Mumbai Metro Line 3

Massive Metro Project Will Improve Traffic and Rail Congestion in One of India’s Largest Cities On June 11, 2018, a Robbins Crossover XRE destined for Line 3 of India’s Mumbai Metro ... More Information

11th Annual breakthroughs in tunneling short course

11th Annual breakthroughs in tunneling short course

Celebrating its 11th year, the Breakthroughs in Tunneling Short Course is the longest running and most-attended course of its kind. Presented by leading practitioners from around the globe, the ... More Information

Tideway update

Tideway update

Going Underground: Tideway’s first tunnelling machines lowered 53 metres into the ground  First two tunnelling machines have been lowered underground Tunnelling to ... More Information

Short-Term Rockburst Prediction in TBM Tunnels

ABSTRACT: Rockbursts in the tight confines of a TBM tunnel can be highly hazardous events given the proximity of vital equipment and workers to the rockburst source, and the space constraints that ... 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

Route 2020 update

Route 2020 update

On 30.06.2018 the Roads and Transport Authority (RTA) in Dubai, announced the completion of key tunnelling works for the Route 2020 Project stretching 3.2 km at a depth ranging from 12 to 36 ... More Information

TBM La Carolina completes its journey for the Quito Metro

TBM La Carolina completes its journey for the Quito Metro

On the 19.06.2018  TBM La Carolina reached the end of its underground journey after boring 3.55 km of tunnel and installing 2,281 concrete rings for the Quito Metro. The TBM began the ... More Information

40 years of Geofluid

40 years of Geofluid

2018 is a special year for Geofluid, as it celebrates its first 40 years, getting to stage its 22nd edition. at Piacenza Expo from 3rd to the 6th of October. The Piacenza is around 30,000 square ... More Information

Melbourne Metro Tunnel HQ opens

Melbourne Metro Tunnel HQ opens

This week marks the unveiling of Metro Tunnel HQ, an information centre where visitors can learn how this once-in-a-generation project will be built and get up-to-date information about works in ... More Information

First TBM on its way for Sydney Metro

First TBM on its way for Sydney Metro

The first of five double-shield TBMs which will deliver the next stage of the Metro is on its way to start digging deep under Sydney on Australia’s biggest public transport project. The TBM ... More Information

3rd International Roads, Bridges and Tunnels Fair

3rd International Roads, Bridges and Tunnels Fair

Mega Projects Call Their Heroes  “Where the Continents Meet” is the motto that best describes the goal of the Expo which will be held in Istanbul, a city that serves as a bridge ... More Information

Stockholm’s Metro to be expanded

Construction and civil engineering companies will be informed about the Stockholm’s metro extension at the Supplier Day 2018, organized by SLL (Stockholms lans landsting) on  Tuesday ... More Information

TERRATEC meets the gold standard in Colombia

TERRATEC meets the gold standard in Colombia

In early June, TERRATEC successfully completed the Factory Acceptance Testing of a TR2000 Raise Boring Machine (RBM), which will be deployed by Peruvian mining contractor INCIMMET on Continental ... More Information

Spain - Breakthrough in the Requejo rail tunnel

On the 20.06.2018 Adif completed the excavation of the left tube of the Requejo tunnel (2.5 km), on the Pedralba de la Praderia - Padornelo Tunnel subsection (province of Zamora) of the AV ... More Information

Let’s Be Clear: Transparency is a Boon, not a Bust, for the Tunnelling Industry

Let’s Be Clear: Transparency is a Boon, not a Bust, for the Tunnelling Industry

Posted by Lok Home | Jun 18, 2018 | Redefining the Industry The idea of transparency is one that we most often hear touted in politics and policies.  But transparency is a concept that ... More Information

2019 World Tunnel Congress - 1000 abstracts received

2019 World Tunnel Congress - 1000 abstracts received

1000 abstracts is an important result, if compared with the previous editions. The figure is a good indicator of the high expectations for the next WTC 2019 in Naples. The Organizing Secretariat ... More Information

NCE Tunnelling Festival 2018

NCE Tunnelling Festival 2018

We are proudly supporting this year's New Civil Engineer's ... More Information

Mining and tunnel construction - GHH opens training centre

Mining and tunnel construction - GHH opens training centre

Getting the most out of things: This is the motto of the company GHH Fahrzeuge GmbH from Gelsenkirchen, not just for special mining and tunnel construction vehicles. With the inauguration of its new ... More Information

Two new Australian contracts for CBE Group

Two new Australian contracts for CBE Group

CBE Group has recently won two sizable contracts in Australia. The French midcap company will take part in two substantial projects: the Melbourne metro and the West Gate Tunnel,  located in ... More Information

Lima expressway update

Lima expressway update

On the 15.06.2018 the MML (Municipalidad Metropolitana de Lima) opened the new Linea Amarilla expressway in Lima in Peru, also named the Via Parque Rimac, linking 11 districts of Lima. The new 9 km ... More Information

Record-Setting Robbins TBM breaks through at China’s Jilin project

Record-Setting Robbins TBM breaks through at China’s Jilin project

Hard Rock Machine crosses Finish Line Nearly Five Months Ahead of Schedule In mid-May 2018 the national-record-setting 7.9 m (26 ft) Robbins Main Beam TBM at the Jilin Lot 3 Tunnel broke through. A ... More Information

The Boring Company awarded Chicago Express Loop Contract

The Boring Company awarded Chicago Express Loop Contract

Chicago Infrastructure Trust (CIT) awarded the Boring Company the contract to design, build, finance, operate and maintain the Chicago Express Loop, an O’Hare Express service between ... More Information

Pune Metro Project

Pune is the second largest city in the Indian state of Maharashtra and ninth most populated city of the country. The population of the Pune metro region is more than 6 million. In order to improve ... More Information

Monte Sperone tunnel update

Monte Sperone tunnel update

CIPA S.p.A. has recently signed a contract with the company Autostrade per l'Italia which involves the upgrading of tunnels on the A12. The joint venture between Cipa Spa and Paolo Barghi Srl are ... More Information

ITA Tunnelling Awards 2018 – Extended Deadline

The deadline for the project for the ITA Tunnelling Awards 2018 has been extended  to June 18th, 2018 (9AM CET). The 2018 edition will take place on 7 November, in Chuzhou-Nanjing during the ... More Information

The TBM Masha breaks through in Turin

On the 07.06.2018 the TBM Masha completed the Southern extension of the Metro Line 1 in Turin. The TBM, had been launched last November 2017, and has finished driving the last 690 m section between ... More Information

Nepal - The Dudhkoshi Storage Hydroelectric Project

The Nepal Electricity Authority (NEA) has planned the use of another TBM to dig the 13km tunnels of the Dudhkoshi Storage Hydroelectric Project which is currently under study. The TBM will be used ... More Information

Nepal – The Bheri Babai project updates

A Robbins Double Shield TBM 5.06 m diameter has had a successful time with its drive as part of the Bheri Babai Diversion Multipurpose Project. The Bheri Babai project is the only project in Nepal ... More Information

The Dirt!

The Dirt!

The dirt is a newsletter written for the BTSYM (British Tunnelling Society Young Members) so far they have had two issues. The first was in March ... More Information

Brenner Base Tunnel Update

Brenner Base Tunnel  Update

The first 100 m of Exploratory tunnel had started being excavated for the Brenner base tunnel overnight the 24th  and 25th  May. The TBM Serena started at the beginning of May, has now ... More Information

Costruzioni Elettrotecniche Cear Srl and the Blue Line of Milan

Costruzioni Elettrotecniche Cear Srl and the Blue Line of Milan

  Costruzioni Elettrotecniche Cear Srl continues to improve Milan's road network by participating in the construction of the M4 underground or "Blue Line", which will connect the historic ... More Information

Tunnelling News

New game-changing tunnel boring, reef cutting 'meeting and beating' all expectations

UG2 reef at Bokoni is the target of the twin mobile tunnel boring and narrow reef cutter. Tunnelling will be done with the mobile tunnel borer for ... More Information

Mota-Engil CEO confirms winning bid for Santos-Guaruja tunnel

The company's subsidiary, Mota-Engil, has won the tender for the construction and operation of Brazil's first underwater tunnel, connecting the ... More Information

Metro Vancouver Utility Nearing Finish of $288M Annacis Water Tunnel

“Resilience is at the heart of this project,” said Nedim Alca, COWI's North America market director. “What makes this milestone so significant is not ... More Information

Fehmarnbelt: Danish tunnel portal nears completion

The work on the entrance to the Fehmarnbelt tunnel at Rødbyhavn on Lolland is almost complete. photo courtesy of The Fehmarnbelt Project. More Information

Final decision on airport tunnel 'now or never'

Alderman Jim Stevenson and City administrators are making a dramatic last push for the airport tunnel before construction on the new north/south ... More Information

Athens Metro Line 4 works to finish by 2029

The construction of Athens Metro Line 4 is progressing steadily, with the entire project ... Tunnel mistakenly excavated in Athens metro project. More Information

First trains on track to run through Metro Tunnel within three months

Melbourne's $15.5 billion Metro Tunnel could be switched on in as little as three months as construction wraps up at two CBD stations and trains ... More Information

Petersburg crews to begin tunnel project in response to ongoing flooding, damage - WRIC

As ongoing water issues have caused significant damage to infrastructure around Petersburg, the Old Towne neighborhood ... More Information

Intelligent optimization framework for tunnel construction

Tunnel construction forms the foundation of railway development and is essential for ensuring route continuity and operational efficiency. However, ... More Information

São Paulo positions TBM for next phase of Line 2-Green

A major milestone was reached on Monday (1 September) with the lowering of the cutter head of the tunnel boring machine (TBM) Cora Coralina... More Information

The 700-ton machine that'll dig NYC's Second Avenue subway extension

NYC has a new tunnel boring machine in its toolbox for the expansion of the line under 2nd ave. If you've never seen some BIG earth moving machines, ... More Information

Light at the end of the tunnel showing for Mount Washington transit project

The project is expected to be completed in October. New tracks finally emerge from the Mount Washington Transit Tunnel as a part of Pittsburgh ... More Information

Davao City Bypass South Tunnel hits breakthrough towards improved connectivity

The Construction Project with the ceremonial breakthrough of the southbound tunnel, marking the complete excavation from opposite ends of the ... More Information

Which companies are bidding for the US$2.3bn highway and tunnel contracts in Brazil?

The project in Brazil, as it will be the country's first underwater tunnel,” the person added. The project involves construction of a 1.5km tunnel ... More Information

US Northeast Rail Corridor Gets a Major Makeover with Tunnel and Bridge Replacements

This project is designed to replace tunnels severely damaged by Superstorm Sandy, ensuring smoother and more reliable service for Amtrak, NJ Transit, ... More Information

DPWH, JICA celebrate breakthrough of Southbound Tunnel in Davao Bypass

The event marked the successful connection of the tunnel's north and south ends. The ... More Information

Jacobs joins Ramboll on Marselis road tunnel project in Denmark

Danish Road Directorate senior project manager Michael Schmidt Vosgerau said: “It is a complex task to build a tunnel on one of the busiest access ... More Information

Planning continues for Midway Tunnel, Safe Streets for All projects

The Midway Tunnel project is a $13.4 million plan ... construction of a new overpass bridge and pedestrian and bicycle walkway above the tunnel. More Information

Four million tons of clay moved in HS2 excavation

Construction on HS2's second-longest tunnel started in October 2022. The rotating cutters cut away clay and other material at a rate of about 50ft ... More Information

Jacobs Has Design-CM Role on $640M Denmark Tunnel, With Ramboll as Key Consultant

Set to begin construction in 2028, Marselis Tunnel project is core component of the country's 10-year Infrastructure Plan 2035. By Emell D. Adolphus. More Information

Elon Musk's $760,000,000 plan to build underground tunnels beneath Houston, Texas

Elon Musk's next big construction plan from The Boring Company could build $760000 worth of tunnels beneath Houston to help with flooding... More Information

Kerala Moves Closer To Vizhinjam–Balaramapuram Tunnel Rail Project

The Kerala government is preparing to invite bids next month for the tunnel rail project linking Vizhinjam International Seaport with ... More Information

Norway's Ship Tunnel Project Under Threat as Costs Rise

New cost estimates suggest the ambitious project will far exceed its approved budget, raising questions about whether it will ever be built. More Information

Davao City Bypass southbound tunnel nears breakthrough

The Department of Public Works and Highways (DPWH) announced that the southbound tunnel of the Davao City Bypass Construction Project (DCBCP) is ... More Information

CA should pursue better alternatives to the costly Delta Tunnel Project Stocktonia

Governor Gavin Newsom is attempting to fast-track the construction of a massive, budget-busting water tunnel through the Delta to ship freshwater to ... More Information

Physical Origins of Shear Strength Fluctuations in Fault Gouges

Fault gouge is rock texture within fault zones that may include rock fragments (RF) and foliated structures. Previous studies have primarily focused on remould soils, the natural structure ... More Information

Webuild expands its role in high-speed rail projects

Four modern tunnel boring machines will be deployed to ensure precision and safety in complex geological conditions. Once completed, the old single- ... More Information

Hudson Tunnel Project advances as tunnel boring machines near completion

The Hudson Tunnel Project hit a key milestone as massive tunnel boring machines near completion, with delivery set for November. More Information

Nagdhunga tunnel in final stages of construction

If we look at the history of road construction and development in Nepal, there are various records of road construction starting from the Rana period. According to articles published in ... More Information

Boring of tunnel across Yellow River completed in China's Shandong

Constructed by using a "Shanhe" shield machine with a 17.5-meter excavation diameter, this double-deck, two-way, six-lane tunnel stands as the world's ... More Information

The £1.6bn plan for world's deepest underwater road tunnel leaving 'no room for error'

Opening of Rogfast tunnel under construction. The Rogfast tunnel will be the longest and deepest undersea road tunnel on Earth. (Image: SKANSA). A ... More Information

Tunnelling complete on NSW's Coffs Harbour bypass project

Tunnelling has been completed on the A$2.2bn (£1.1bn) Coffs Harbour bypass project in New South Wales, Australia, with the excavation of the third ... More Information

Veidekke acquires tunnel construction contract for Gothenburg's West Link Project

Veidekke has received a contract from the Swedish Transport Administration to build the Stora Hamnkanalen tunnel, a component of the West Link ... More Information

German Rail completes construction of Rastatt Tunnel

GERMAN Rail (DB) has completed civil works on the new 4270m twin-bore Rastatt Tunnel, a major component of the project to widen to four tracks the ... More Information

Final contracts signed for Eastern Freeway transformation

A huge amount of work is underway to build North East Link and upgrade the freeways – two tunnel boring machines are digging deep under Rosanna ... More Information

Progress on Sydney pipeline duplication

Bouygues Construction Australia and Rob Carr have launched a tunnel boring machine (TBM) on Sydney Water's Thornleigh pipeline duplication ... More Information

The latest plan to connect BART to downtown San Jose: One tunnel rather than two

When BART and Santa Clara Valley Transportation Authority first discussed plans to send trains rolling under downtown San Jose, transit officials contemplated a design with two tunnels ... More Information

Nashville Tesla tunnel: Here's when construction could start on the Music City Loop

Elon Musk's The Boring Company is currently in the design phase of constructing a tunnel connecting downtown Nashville to the Nashville ... More Information

World's longest underwater 'mega tunnel' to cost $46 billion but will halve 21-hour drive

Oddvar Kaarmo, the Rogfast project manager, cited additional motivation for the tunnel's construction: "The port at Mortavika is quite exposed and ... More Information