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Master's Course on Tunnels and Underground Works

Master's Course on Tunnels and Underground WorksGiven the ongoing importance of tunnels and tunnelling in Spain and around the world, the Spanish tunnelling association (AETOS) has set put a ... More Information

Work Progress on the Apennine Road Bypass to Highway A1 between Bologna and Florence

Work Progress on the Apennine Road Bypass to Highway A1 between Bologna and FlorenceAs part of the upgrading of highway A1 Milan-Naples on its Apennine section between Sasso Marconi (Emilia ... More Information

Groundwater Management at the Variante di Valico

Groundwater Management at the Variante di ValicoDuring tunnelling, the groundwater seeping from the tunnel face must be treated before being discharged in superficial waters or sewers because, ... More Information

Upgrading of Section Florence North-Florence South of the A1 Highway

Upgrading of Section Florence North-Florence South of the A1 HighwaySouth of the Variante di Valico, the highway section running from Barberino di Mugello to North Florence and Incisa, south of ... More Information

Atlas Copco's Intermat 2006 Preview

Atlas Copco's Intermat 2006 PreviewIntermat 2006, to be held at Paris Nord Villepinte exhibition centre on 24th-29th April, is this year's big construction event. Intermat 2006 is proud to ... More Information

First Section Breaks Through on Line 3 of the Madrid Metro Extended from Legazpi to Villaverde

First Section Breaks Through on Line 3 of the Madrid Metro Extended from Legazpi to Villaverde'Guster' has concluded its mission to extend Line 3 of the Madrid metro from Legazpi to San Cristobal de ... More Information

Rome to Present Project Finance of Metro Line D

Rome to Present Project Finance of Metro Line D On 13th April, 2006 at 11:00 am, the project finance of Line D will be presented in Rome at the Auditorium Parco della Musica, Room Petrassi in Avenue ... More Information

400 years of experience at tunneljournalists.com

400 years of experience at tunneljournalists.comThis week sees the relaunch of one of tunnelbuilder's most popular websites, tunneljournalists.comThe most important part of any company's marketing ... More Information

Madrid: Biggest Tunnelling Worksite in the World

Madrid: Biggest Tunnelling Worksite in the WorldMadrid's regional autonomous government, through its transport infrastructure department MINTRA, is implementing during the 2003-2007 term the ... More Information

Tunnelling to Begin on DLR Extension to Woolwich Arsenal in London

Tunnelling to Begin on DLR Extension to Woolwich Arsenal in London The Docklands Light Railway's extension to Woolwich Arsenal will run from the existing King George V station, going ... More Information

Reaching Los Teques in 13 Minutes

Reaching Los Teques in 13 Minutes Metro Los Teques, which will link El Tambor to Las Adjuntas on Line 2 of the Caracas metro, is a new 9.5 km rail line, whereof 6.2 km in tunnel, with ... More Information

Book on "Fire Protection in Vehicles and Tunnels for Public Transport"

Book on "Fire Protection in Vehicles and Tunnels for Public Transport"Fire Protection in Vehicles and Tunnels for Public Transport is the title of a bilingual German/English book that presents ... More Information

Tunnelling of Lausanne Metro Nears End

Tunnelling of Lausanne Metro Nears EndLine M2 of the Lausanne metro in Switzerland, between Ouchy and Croisettes, consists in building a new section between Flon and Croisettes and upgrading ... More Information

Lausanne Puts the Final Touches to Garbage Tunnel

Lausanne Puts the Final Touches to Garbage TunnelAnother major project in Lausanne is TRIDEL, which stands for Traitement et Incinération des Déchets de Lausanne (treatment and incineration of the ... More Information

Rowa Tunnelling Logistics Back-up for Niagara Falls Tunnel

Rowa Tunnelling Logistics Back-up for Niagara Falls TunnelA 10,421 m-long tunnel underneath the City of Niagara Falls will feed more water to the existing Sir Adam Beck hydroelectric plant in ... More Information

Italy Inaugurates Lecco-Ballabio Road Link SS 36 Dir

Italy Inaugurates Lecco-Ballabio Road Link SS 36 DirThe new road link Lecco-Ballabio (SS 36 dir) opened to traffic on 24th February, 2006 between Lecco and provincial road SP 62 to Val ... More Information

Security at the Heart of the Double-Deck Tunnel on the A86 West of Paris

Security at the Heart of the Double-Deck Tunnel on the A86 West of ParisThe A86 is currently an incomplete orbital highway around the Greater Paris area. Two tunnels will provide the missing links ... More Information

Stägjitschugge Tunnel to Improve Access to Narrow Zermatt Valley

Stägjitschugge Tunnel to Improve Access to Narrow Zermatt ValleyThe Stägjitschugge tunnel is located on road H213 between the cities of Visp and Zermatt in the Wallis canton, Switzerland. This ... More Information

Breakthrough of the Campanas Tunnel on the Navarre Canal

Breakthrough of the Campanas Tunnel on the Navarre Canal The Campanas tunnel, on section 4 of the Navarre canal between Tiebas and Añorbe (9.03 km), broke through on 27th February, 2006. ... More Information

Astaldi Receives New Major Contract for Line 5 of Milan Metro

Astaldi Receives New Major Contract for Line 5 of Milan MetroA joint venture led by Astaldi - with Torno Internazionale, Ansaldo Trasporti Sistemi Ferroviari, Ansaldobreda, Alstom Trasporti and ATM ... More Information

Second TBM to Start in March on South Bypass of M-30 Orbital Motorway in Madrid

Second TBM to Start in March on South Bypass of M-30 Orbital Motorway in Madrid The mayor of Madrid, Alberto Ruiz-Gallardon, celebrated the start-up of 'Tizona', a MHI-Duro Felguera TBM ... More Information

Abdalajis East Tunnel Breaks Through on Cordoba-Malaga High Speed Rail Link

Abdalajis East Tunnel Breaks Through on Cordoba-Malaga High Speed Rail Link A ceremony presided by Magdalena Alvarez, Spain's minister of public works, was held on 13th February, 2006 to ... More Information

Second International Symposium on Tunnel Safety and Security (ISTSS)

Second International Symposium on Tunnel Safety and Security (ISTSS)The second International Symposium on Tunnel Safety and Security (ISTSS) to be held in Madrid on 15th-17th March will be an ... More Information

Astaldi-led JV Wins Contract for Line C of Rome Metro with EUR2.17 Billion Bid

Astaldi-led JV Wins Contract for Line C of Rome Metro with EUR2.17 Billion BidA joint venture headed by Astaldi will design and build the new Line C of the Rome metro, a driverless fully automatic ... More Information

Expressions of Interest Extended to End April for L-SURF

Expressions of Interest Extended to End April for L-SURFIn March 2005, the EU launched L-SURF, which stands for Large-Scale Underground Research Facility, a planning and organization project for a ... More Information

Privately Financed Project Proposed for Road Connection in North Milan

Privately Financed Project Proposed for Road Connection in North MilanAt the conference "Underground roads: an opportunity to live better on the territory" held on 10th February, 2006 and organized ... More Information

The Avigliana Bypass Opens for the Winter Olympic Games in Turin

The Avigliana Bypass Opens for the Winter Olympic Games in TurinOne of the worst traffic black spots in Turin province travelling towards Susa valley was the Avigliana crossing. SITAF inaugurated on ... More Information

Sealing Gaskets from Phoenix DT

Sealing Gaskets from Phoenix DTThe merger of North German suppliers of elastomer products Contitech AG of Hannover and Phoenix AG of Hamburg has been announced. Both companies are global players in ... More Information

Automatic Conductor-less Line 1 of the Metro Opens in Turin as City Hosts XXth Winter Olympics

Automatic Conductor-less Line 1 of the Metro Opens in Turin as City Hosts XXth Winter Olympics On 4th February, 2006 the first 7.5 km section of Line 1 of Turin's metro has been ... More Information

Conference and Training Course on Safety in Tunnels

Conference and Training Course on Safety in TunnelsItaly today holds the world's main records regarding underground structures. Recently, risks have been increasing due to ageing tunnels while road ... More Information

Tunnelling & Trenchless Technology in the 21st Century

Tunnelling & Trenchless Technology in the 21st CenturyThe Institution of Engineers, Malaysia is organizing the International Conference and Exhibition on "Tunnelling and Trenchless Technology in ... More Information

Lower Northwest Interceptor's Sacramento River Crossings Near Completion

Lower Northwest Interceptor's Sacramento River Crossings Near Completion Two tunnels are required to cross the Sacramento River in California. The two tunnels are part of a massive 59.5 km ... More Information

Fourth TBM Starts at Pajares Railway Bypass in Spain

Fourth TBM Starts at Pajares Railway Bypass in SpainADIF- the administration responsible for the design and construction of Spain's high speed lines - officially launched on 28th January, 2006 the ... More Information

Wirth Gripper TBM Drives Alborz Tunnel on Shomal Freeway near Tehran

Wirth Gripper TBM Drives Alborz Tunnel on Shomal Freeway near TehranToday only a two-lane highway with a length of 200 km connects Tehran and the city of Chalus at the Caspian Sea. By 2010 both ... More Information

First Tunnel in Europe Equipped with Automatic Fire-fighting System Sets New Standards

First Tunnel in Europe Equipped with Automatic Fire-fighting System Sets New StandardsImproved escape routes and dualling single-tube tunnels are the solutions so far implemented from the ... More Information

TUNCONSTRUCT, a Project to Boost the Use of Underground Space in Europe

TUNCONSTRUCT, a Project to Boost the Use of Underground Space in Europe The utilization of underground space can have a significant impact on living conditions. For example, underground trains ... More Information

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Tunnelling News

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

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

Hong Kong: Robotics And AI Enhance Tunnel Construction

It is leveraging artificial intelligence (AI), robotics and automation to advance the Trunk Road T2 and Cha Kwo Ling Tunnel project. These ... More Information

Single-Bore Tunnel Method Chosen for BART Silicon Valley Phase II

This decision allows VTA to advance project design towards 60%, stay on a critical path to tunnel construction and meet the projected revenue service ... More Information

Boring Co. begins 'controlled blasting' for Nashville tunnel at TN capitol

The Boring Co. has started excavation work at a state-owned parking lot on Rose Parks Boulevard for the Music City Loop project Wednesday, Aug. 13, ... More Information

TBM arrives in Montreal for delayed metro extension project

A custom-built tunnel boring machine (TBM) has arrived in Canada for use on a 6km extension of the Montreal Metro... More Information

Spain Confirms Feasibility of €8.5 Billion Morocco-Europe Tunnel

The study was conducted by German company Herrenknecht, the world leader in tunnel boring machines, at the request of the Spanish government's ... More Information

TxDOT spends $748M to burrow bus-size tunnels under Central Austin

The first tunnel boring machine will be deployed near ... Industry experts say tunnel boring machines typically advance about 50 feet per day. More Information

6 TBMs on Duty on the 27-Kilometer Line in Körfezray

Two of the six Tunnel Boring Machines (TBMs) that will serve in the first 27-kilometer phase are actively excavating tunnels, while the ... More Information

Construction on HS2's Euston tunnel will start 'fairly soon', says rail minister

Construction on the HS2 tunnel from Old Oak Common station to Euston station will start “fairly soon”, the rail minister has said... More Information

Blue Line Extension TBM Arrives at Port of Montreal

Railway Track and Structures Construction site of the future Vertières station (Pie-IX) in June 2025. Caption and photo courtesy of STM. MONTREAL - The tunnel boring machine (TBM) ... More Information

Tunnel break through milestone for Mt Messenger Bypass project

A 110 tonne excavating machine, called Hinetūparimaunga, has broken through at the northern end of the project's 235 metre-long tunnel ... More Information

$3.9 billion tunnel and bridge link for VA

Costing around $3.9 billion, the Hampton Roads Bridge-Tunnel (HRBT) upgrade Expansion project for Virginia will improve traffic flow for a key ... More Information

Extended North Tunnel Flood Mitigation Project Receives $18.2 Million in State Funding

The funding advanced by the board includes a $17.2 million loan and $1 million grant for the construction of the mile-long tunnel, which will divert ... More Information

Gateway Project faces new uncertainty amid government shutdown

Federal funding for the $16B Hudson Tunnel Project, aka Gateway, has been paused during the government shutdown, sparking political backlash. More Information

Tunnel Boring Machine Emily Passes Key Factory Test for DC Water Potomac River Tunnel Project

Tunnel boring machine (TBM), Emily. This test confirms that Emily is ready to begin excavating the southern leg of the Potomac River Tunnel — a ... More Information

Sydney Metro West achieves world-first in tunnelling technology

Sydney Metro West has achieved a world-first in tunnel construction with a Lining Erector Machine (LEM) successfully being used to line the mined ... More Information

Gateway construction continues despite Trump's claim of termination

Tutor Perini, the general contractor on the Manhattan Tunnel Project, confirmed construction activity is currently continuing as planned... More Information

Tunnelling complete for Annacis water supply project

Metro Vancouver has completed the tunnelling phase of the $450 million Annacis Water Supply Tunnel, which will complete in 2028... More Information

Santa Clara VTA confirms single tunnel plan for BART extension

With VTA now owning the tunnel boring machine, the agency assumes full responsibility for its performance, agency officials said. To manage the risk, ... More Information