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Tunnelling Starts at Pajares with Herrenknecht TBM

Tunnelling Starts at Pajares with Herrenknecht TBMJose Luis Rodriguez Zapatero, the Spanish PM, and Magdalena Álvarez, the minister of public works, celebrated on 13th July, 2005 the launch of the ... More Information

CMC to Use Two Lovat TBMs for Algerian Water Scheme

CMC to Use Two Lovat TBMs for Algerian Water Scheme Cooperativa Muratori e Cementisti (CMC) has placed and order with Lovat for twin hard rock 3.7 m-diametre TBMs, ancillary equipment and services ... More Information

ACTEURS - a Project to Study how Human Behaviour is Crucial during Fire in Tunnels

ACTEURS - a Project to Study how Human Behaviour is Crucial during Fire in TunnelsThe fire which erupted on 4th June in the 12.9 km Frejus tunnel, killing two Slovak truck drivers, recalls that ... More Information

Longest Croatian Road Tunnel Opens on Zagreb-Split Motorway

Longest Croatian Road Tunnel Opens on Zagreb-Split MotorwayThe entire 375.5 km Zagreb-Split motorway A1, which connects Croatia's north and south, was officially opened on 26th June, 2005 by Prime ... More Information

First Atlas Copco WL4C30 Drill Rig at Work in Finland

First Atlas Copco WL4C30 Drill Rig at Work in FinlandThe Vuosaari harbour rail line in Helsinki is a new 19 km-long single-track freight infrastructure to handle ten trains a day in each direction. ... More Information

Pianoro Tunnel Breakthrough on Bologna-Florence High Speed Line

Pianoro Tunnel Breakthrough on Bologna-Florence High Speed LineOn 15th June, 2005 at kilometre point 7+372 and a distance of 2,266 m from the north entrance, the Pianoro tunnel broke through. The ... More Information

Zitron Commissions New Test Bench for Fans

Zitron Commissions New Test Bench for FansThe Zitron test bench is the biggest in the world of its type. It has been built in compliance with standard 210-99 of AMCA (Association for air movement ... More Information

Robbins Double-shield TBM Breaks Through Quarry Tunnel in Italy

Robbins Double-shield TBM Breaks Through Quarry Tunnel in ItalyA 150 m-long Robbins double-shield TBM broke through on 31st May, 2005 the tunnel linking the raw material quarries with the ... More Information

Second Guadarrama Tunnel Breaks Through

Second Guadarrama Tunnel Breaks ThroughThe Ministry of public works concluded on 1st June, 2005 after almost three years of work the excavation across the Guadarrama mountain range of the second of ... More Information

Les Vaches du Viande - not for Vegetarians

Comedy of ErrorsLes Vaches du Viande - not for VegetariansOn 13th June 2005, five cows took shelter from thunderstorms in the Viande tunnel, Tarn-et-Garonne, France. Next morning, they were found ... More Information

1 Herrenknecht, 1 Lovat for Istanbul LRT and Metro

1 Herrenknecht, 1 Lovat for Istanbul LRT and MetroThe Otogar-Bagcilar LRT system project in Istanbul consists of three double-tube tunnels. The first double-tube tunnel will be constructed from ... More Information

Vietnam Opens Hai Van Tunnel

Vietnam Opens Hai Van TunnelPrime minister Phan Van Khai officially opened on 5th June, 2005 the Hai Van tunnel, which links the central province of Thua Thien Hue to the north and Da Nang City to ... More Information

Mega TBM for Madrid M-30

Mega TBM for Madrid M-30Monday 6th June saw the factory acceptance trials of the world's largest diameter TBM at the Herrenknecht home plant in Schwanau, southern Germany. Leading the client ... More Information

EuroTAP to Assess 150 Road Tunnels in Europe

EuroTAP to Assess 150 Road Tunnels in EuropeSince 1999, EuroTest, the joint test organisation of the European automobile clubs, investigates the safety level in road tunnels throughout Europe. ... More Information

Fire in Frejus Tunnel Kills Two

Fire in Frejus Tunnel Kills TwoTwo people died on Saturday 4th June, 2005 when a truck carrying tyres caught fire inside the 12.9 km-long 9 m-wide Frejus tunnel, shutting off a major route under ... More Information

Robbins TBM to Excavate Venaus Exploratory Tunnel on Lyon-Turin HSL

Robbins TBM to Excavate Venaus Exploratory Tunnel on Lyon-Turin HSLA Robbins high performance open type hard rock TBM will be used by the CMC-led JV including Strabag, Bentini Costruzioni, Cogeis ... More Information

International Congress on Safety Criteria and Innovations in Tunnels

International Congress on Safety Criteria and Innovations in TunnelsThe international congress on Safety Criteria and Innovations in Tunnels will be celebrated in the Congress Palace in Gijon, ... More Information

Conference on the Lyon-Turin Transalpine Line

Conference on the Lyon-Turin Transalpine LineURIS AR, the Regional Union of Engineers and Scientists of the Ain and Rhone departments (France), organises on 9th and 10th June, 2005 a conference on ... More Information

Cogemacoustic – ventilating the underground environment

Cogemacoustic – ventilating the underground environmentCogemacoustic, the specialist manufacturer of underground ventilation and dust extraction equipment, has developed an enviable reputation for ... More Information

Lovat TBM for Krolsky Tunnel in Siberia

Lovat TBM for Krolsky Tunnel in SiberiaRussian contractor Bamtonnelstroy of Krasnoryarsk took delivery three months ahead of schedule of their new TBM 'Martha', a 9.5 m-diameter hard rock machine ... More Information

Bolivia Inaugurates Misicuni Tunnel

Bolivia Inaugurates Misicuni TunnelThe 19.5 km trans-Andean tunnel to transport water from the Misicuni river in the Andes mountain range in Bolivia, the world's most infamous and slowest tunnel, ... More Information

Historic Tunnel Breakthrough at Loetschberg

Historic Tunnel Breakthrough at LoetschbergWorkers have blasted their way through the final metres of rock on 28th April, 2005 to pierce the 34.6 km Loetschberg rail tunnel, a key component of ... More Information

Tunnelling Equipment for Sale

Tunnelling Equipment for SaleA JV of Razel, Bouygues and Spie Batignolles TPCI sells a CSM Bessac TBM and associated equipment fabricated in 2001, used on the Blagis-Cachan sewer tunnel built for ... More Information

Two Atlas Copco L2 C Drill Rigs at Arlaban Tunnel

Two Atlas Copco L2 C Drill Rigs at Arlaban TunnelHighway AP-1 Eibar-Vitoria in Spain's Basque region spans 46.2 km, whereof 31.9 km in Gipuzkoa province and 14.3 in Alava province. The highway has ... More Information

NFM Technologies Wins Contract for 2 TBMs for Road Tunnel in Wuhan, China

NFM Technologies Wins Contract for 2 TBMs for Road Tunnel in Wuhan, ChinaNFM Technologies, part of the Wirth group, has been awarded a contract by the China Railway Tunnel Group for the design, ... More Information

Herrenknecht Extends Market Range with New Company Herrenknecht Vertical

Herrenknecht Extends Market Range with New Company Herrenknecht VerticalTo make the company ready for the future, Herrenknecht extends its technological and market range. The newly founded ... More Information

IPS to Supply TBM Specialists to Skanska Vinci JV for Hallandsas Tunnel

IPS to Supply TBM Specialists to Skanska Vinci JV for Hallandsas TunnelOn Friday 8th April, 2005, a Letter of Intent for the supply of TBM specialists has been signed between IPS and Skanska Vinci ... More Information

Third International Conference on Traffic and Safety in Road Tunnels to be Held in May

Third International Conference on Traffic and Safety in Road Tunnels to be Held in MayThe 3rd International Conference on Traffic and Safety in Road Tunnels - Developments and Trends in Equipment ... More Information

Model of Wirth TBM for Castellanza Tunnel on Exhibit at Samoter

Model of Wirth TBM for Castellanza Tunnel on Exhibit at SamoterIn Lombardy, Italy the Malpensa airport is connected to Milan by the Malpensa Express, operated by the private railway company Ferrovie ... More Information

NFM Technologies TBM Completes Tunnelling on First Metro Line in Turin

NFM Technologies TBM Completes Tunnelling on First Metro Line in Turin'Valeria', a second hand NFM Technologies TBM, broke through into Porta Nuova station on 19th March, 2005. This completes ... More Information

At last, tunnelbuilder in Italian!

At last, tunnelbuilder in Italian!Another milestone along the information superhighway has been reached with the launch of tunnelbuilder in Italian. Apart from its stand-alone status, the new ... More Information

First Boart Longyear-AMV Mining and Tunnelling Jumbos Ready for Industrial Production

First Boart Longyear-AMV Mining and Tunnelling Jumbos Ready for Industrial ProductionBoart Longyear and the Norwegian tunnelling equipment manufacturer Andersens Mek. Verksted (AMV) entered a year ... More Information

Sicily's A20 - more tunnel than motorway

Hall of FameSicily's A20 - more tunnel than motorway On 21st December, 2004 the 41.2 km Furiano-Castelbuono section was opened to complete the A20 Messina-Palermo motorway in Sicily, Italy. On the ... More Information

Full Success for CSM Bessac First EPB TBM

Full Success for CSM Bessac First EPB TBMJust less than nine months have been required to complete the last downstream section of the VL10 sewer, which will bring wastewater into the Valenton ... More Information

Italian Renaissance

Italian RenaissanceThe revival in the fortunes of the Italian tunnelling industry over the last ten years is remarkable, with some 100 projects now listed in the tunnelbuilder.com Archive. The whole ... More Information

Tunnels are Safer than Roads

Tunnels are Safer than RoadsAltogether, there are more than 200 km of tunnels on the Spanish road network and there are 70 km under construction or study. Technicians involved in tunnel ... More Information

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Tunnelling News

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

China's first vertical large model for tunnel, underground space sector released

The project which is in the Guangdong-Hong Kong-Macao Greater Bay Area. The model helps make tunnel construction safer, higher-quality, more efficient and ... More Information

BMC Begins Major Water Supply Upgrade Mumbai

The project commenced in 2023 and has adopted tunnel boring machine (TBM) technology to minimise surface disruptions in crowded neighbourhoods. Of ... More Information

Slurry tunnel boring machines to be deployed for Bengaluru Twin Tunnel Road Project

B-SMILE opts for slurry TBMs over hard rock TBMs for Twin Tunnel Road project in Bengaluru due to mixed terrain... More Information

Tunnel along railway linking Shenzhen and Shanwei special cooperation zone under construction

Technicians check a tunnel boring machine (TBM) at the construction site of a tunnel in Pingshan, Shenzhen City, south China's Guangdong Province, Aug ... More Information

Construction staging area approved for Nashville's airport tunnel project

The Music City Loop will be a 10 mile tunnel connecting downtown Nashville to the Nashville International Airport (BNA)... More Information

Zojila tunnel deadline pushed to 2028: Here's why Asia's longest tunnel project is delayed

Zojila Tunnel Latest Update: On completion, the project will not only play an important role in the country's infrastructure development but also ... More Information

W.A. Rasic Construction Awarded Major Subcontract on Dragados' $630M Effluent Outfall

The tunnel project is a critical component of Southern California's long-term infrastructure resilience strategy. The project directly supports the ... More Information

VDOT gives HRBT expansion update

Construction on the Hampton Roads Bridge-Tunnel Expansion Project hit key milestones as tunneling progresses and traffic shifts to new lanes. More Information

HS2 lifts third TBM following 3.4-mile journey

HS2 Ltd has lifted Tunnel Boring Machine Emily's 9.11-metre diameter cutterhead, front and middle shield, weighing 880 tonnes, from below the ... More Information

Musk's Boring Company unveils Music City Loop tunnel project for Nashville

The big picture: The project has an ambitious timeline of completing the 10-mile route in less than two years. The tunnel would move vehicles at warp ... More Information

Progress Update on East Dallas Tunnel Project to Address Flooding Problems

With so much rainfall throughout the metroplex, NBC 5 wanted an update on a project expected to mitigate flooding in East Dallas... More Information

KIB gets go-ahead for landmark Kuwait tunnel revamp project

On the key tunnel beautification project, Vice Chairman and CEO Raed Jawad Bukhamseen said: "This initiative reflects KIB's vision of supporting ... More Information

From hills to hope

As night falls over the northern highlands of Lesotho in early July, winter's chill sets in. Yet, the Polihali Transfer Tunnel construction site ... More Information

Tunnel boring machines reach Parramatta in major Metro West milestone

Tunnel boring machines have reached Parramatta, marking a major milestone in the construction of the Metro West project. More Information

Completion of hyperbaric excavated tunnel marks major milestone for Naples-Bari rail project

The construction of the Casalnuovo Tunnel, a critical and technically challenging segment of the high-speed railway line between Naples and Bari ... More Information

Multraship tugs support Antwerp Scheldt tunnel construction

Tugboats are supporting the construction of a motorway tunnel in the River Scheldt in Antwerp by towing and manoeuvring concrete structures and ... More Information

Europe's $45BN Mega Tunnels through the Alps

Discover the record-breaking network of tunnels being constructed beneath the Alps. This video explores the top 6 longest tunnels in the region, .. More Information

AFRY secures contract for Switzerland's Twann Tunnel project

Construction oversight of the Twann Tunnel in the country. The tunnel on the Lake of Bienne is intended to ease traffic congestion in Twann by ... More Information

Line 5 Tunnel Project: Public comments now open for proposal to build under Straits of Mackinac

"The purpose of the project is to facilitate the construction of a tunnel beneath Lake Michigan bottomlands to replace the Line 5 dual pipelines ... More Information