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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

Funding Approval for World's Longest Lift

Funding Approval for World's Longest LiftThe opening of the 57 km Gotthard base tunnel in Switzerland is still nearly ten years away, but locals in the Surselva, one of the valleys under which it ... More Information

NFM Technologies TBMs for Tabriz Metro in Iran

NFM Technologies TBMs for Tabriz Metro in IranTwo NFM Technologies EPB shield boring machines will be used to drive a 7 km twin-tube tunnel for the Tabriz metro in Iran. The excavated diameter of ... More Information

MHI-Duro Felguera Delivers TBM for Pajares Tunnel

MHI-Duro Felguera Delivers TBM for Pajares TunnelMHI-Duro Felguera, the joint company established by Mitsubishi Heavy Industries (MHI) and Duro Felguera, has completed the assembly of the TBM ... More Information

North Tube of Nazzano Tunnel is Widened

North Tube of Nazzano Tunnel is WidenedThe widening of the Nazzano northbound tunnel on the Orte-Fiano Romano section of highway A1 Milan-Naples, a few kilometres north of Rome, ended on 17th ... More Information

E-News Weekly No 200

E-News Weekly No 200During the last four years, E-News Weekly has presented over 1,000 pages of focussed tunnelling contract news, providing its subscribers with reliable, up-to-the-minute ... More Information

Norway Builds Sauda Fjord Hydro Project

Norway Builds Sauda Fjord Hydro ProjectThe Sauda fjord hydro power project, an ambitious energy production infrastructure, is under construction in Rogaland county in south Norway, south of Bergen. ... More Information

Speedy Tunnelling with Lovat TBMs on High Speed Rail Tunnels in Bologna

Speedy Tunnelling with Lovat TBMs on High Speed Rail Tunnels in BolognaThe San Ruffillo JV between Necso of Spain (now Acciona Infraestructuras) and Ghella of Italy has reported record progress by ... More Information

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Tunnelling News

HS2 final tunnel drive to Euston starts next week

A team from SCS will drive a 4.5-mile twin-bore tunnel linking Old Oak Common to Euston using two tunnel boring machines, Karen and Madeleine. More Information

Work begins on £48M Knutsford sewer upgrade featuring 1.8km stormwater tunnel

Sean Reid, United Utilities county business lead for wastewater in Cheshire said: “This project highlights our ongoing commitment to improving water ... More Information

$14.6M boost moves Gering–Fort Laramie Canal Tunnel project forward

After nearly six years of planning, construction is moving forward on the Gering–Fort Laramie Canal tunnels... More Information

Webuild: second breakthrough at Trebisacce Tunnel along Jonica State Road 106

Project will help transform Jonica State Road 106 into a strategic corridor linking Ionian coasts of Calabria, Basilicata and Puglia... More Information

Ground preparation for Lower Thames Crossing tunnelling

Work is ongoing to overcome sub-optimal ground conditions in preparation for the start of tunnelling on the Lower Thames Crossing in late 2028, according to the project’s tunnels director... More Information

LA Metro approves massive $25B underground rail line to bypass 405 Freeway

The LA Metro Board unanimously approved an underground heavy rail line to connect the San Fernando Valley and the Westside, bypassing the congested 405 Freeway. The nearly 13-mile route, ... More Information

TUNNEL VISION Mega £7.4bn undersea tunnel connecting two CONTINENTS just got one step closer

A MAJOR £7.4 billion underwater tunnel connecting two continents has taken a step closer to construction. Experts have said the 24-mile tunnel is “technically viable”, paving the way for ... More Information

TBM breakthrough in Sydney

Tunnel boring machine (TBM) Jane Starkey successfully completed her 1.2km underground journey through challenging Sydney sandstone... More Information

Hochul announces $25 million for Harlem crosstown subway tunnel design

At E. 120th St., a pair of tunnel-boring machines — currently under construction in Germany — will bore new, 8,400-foot tunnels north from the end ... More Information

Tunnelling under the Yarra River

Our two Tunnel Boring Machines (TBMs) will soon be travelling underneath the Yarra River... Approximately 300 metres of the 6.5 kilometre North East Link will be under the Yarra ... More Information

The Boring Company says its tunneling machine is 'ready to mine in Nashville'

The Music City Loop project is aimed at transporting people from Nashville International Airport to Lower Broadway in roughly 10 minutes. By Li ... More Information

Norway Is Building the World's Longest and Deepest Tunnel Beneath the Sea

The Rogfast project, short for Rogaland Fixed Link, is an underwater road tunnel being built beneath Norway's fjords as part of the E39 coastal ... More Information

Future engineers become 'TBM Captains' for Suburban Rail Loop

Tunnel Boring Machines (TBMs) that will begin work this year. The tour of the eastern tunnel entrance was part of a long-term initiative, with ... More Information

Image gallery: Civil works completed on HS2's longest tunnel

Main construction on the Buckinghamshire structure began in May 2021 with the launch of two 2,000-tonne tunnel boring machines (TBMs), named Florence ... More Information

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