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Mitsubishi-Duro Felguera Readies Giant TBM for M-30 in Madrid

Mitsubishi-Duro Felguera Readies Giant TBM for M-30 in MadridIt is a giant machine which features a 15,010 mm nominal diameter and a 15,045 mm maximum diameter, a 14 m-long 3,600-tonne EPB shield, a ... More Information

Fourth Conference on Tunnels

Fourth Conference on TunnelsSpain's Technical Road Association organises on 26th, 27th and 28th October in Andorra the 4th conference on tunnels, under the theme "Why are tunnels safe?". The ... More Information

Wirth Tunnel Bore Extender at Uetliberg Receives Award

Wirth Tunnel Bore Extender at Uetliberg Receives AwardWirth has been chosen as the winner of this year's TTC Award for Innovation in the Large Bore Mechanised TunnelIing Machine sector. Mr Niko ... More Information

Bolu Tunnel Breaks Through in Turkey

Bolu Tunnel Breaks Through in TurkeyTurkish Prime Minister Recep Tayyip Erdogan and Italian Ambassador to Turkey Carlo Marsili presided on 4th September, 2005 the breakthrough ceremony of the right ... More Information

Fire Protection in Tunnels

Fire Protection in TunnelsVdS Schadenverhütung organises on 19th-20th October in Cologne, Germany conferences on fire protection in tunnels. The fire in the Frejus tunnel in the Alps last 4th June ... More Information

See You at IUT' 08 Live Fair

See You at IUT' 08 Live FairThe IUT' 05 Live Fair held on 14th-16th September in Switzerland has been one of the most special and popular tunnelling events this year. It is always received with ... More Information

Herrenknecht Breakthrough on Circle Line Stage 3 in Singapore

Herrenknecht Breakthrough on Circle Line Stage 3 in SingaporeOn 25th August, 2005, a Herrenknecht TBM brought down an 80 cm-thick retaining wall, into the tunnel at Lorong Chuan station on Stage 3 ... More Information

Highest Road Tunnel?

Highest Road Tunnel?The Eisenhower Tunnel is claimed to be the highest vehicular tunnel in the US, and maybe the world, at an altitude of 11,158 ft (3,403 m) on I-70 in Colorado. Construction on the ... More Information

Seven Years of Research Data - Free to Readers!

Seven Years of Research Data - Free to Readers!The tunnelbuilder archive has now been cataloguing bids and awards for seven years - some 4,000 reports, all of which can be retrieved instantaneously ... More Information

Lovat Begins Tunnelling of Seville Light Rail

Lovat Begins Tunnelling of Seville Light Rail'La Giralda', the Lovat TBM ordered for Line 1 of the Seville light rail, has begun tunnelling on 11th August, 2005. The machine will bore 2 x 2,500 ... More Information

Ã…skottsberg Tunnel on Bothnia Line Breaks Through

Åskottsberg Tunnel on Bothnia Line Breaks ThroughFinnish contractor Lemcon (whose mother company is Lemminkäinen), who took over contract E 3431 commenced by the now bankrupt Oden Anläggning, ... More Information

Post-Graduate Master Course

Post-Graduate Master CourseThe fifth edition of the course on Tunnelling and Tunnel Boring Machines has been announced by Politecnico di Torino for November 2005 to October 2006. The course will ... More Information

Wirth TBM Bores Campanas Tunnel on Canal de Navarra

Wirth TBM Bores Campanas Tunnel on Canal de NavarraThe Itoiz dam and artificial lake are located in the north of Navarra in northern Spain, 30 km from Pamplona. From this 418 cu hm water reservoir ... More Information

Road Tunnel Openings around the World

Road Tunnel Openings around the WorldNew South Wales PM Morris Iemma officially opened on 28th August, 2005 Sydney's Cross City tunnel. The project has been delivered ahead of schedule. The AUD680 ... More Information

California to Build San Vicente Pipeline

California to Build San Vicente PipelineThe San Diego County Water Authority officially launched on 21st July, 2005 at a groundbreaking ceremony the construction on the San Vicente Pipeline project, ... More Information

NFM Technologies TBM Completes Atocha-Nuevos Ministerios Section on New Atocha-Chamartin Tunnel

NFM Technologies TBM Completes Atocha-Nuevos Ministerios Section on New Atocha-Chamartin Tunnel in MadridA NFM Technologies EPB TBM holed through on 27th July, 2005 the Atocha-Nuevos Ministerios ... More Information

Fourth IUT ´05 Live Fair in Sargans, Switzerland

Fourth IUT ´05 Live Fair in Sargans, SwitzerlandThe fourth IUT '05 Live in the Hagerbach Test Gallery (VSH) near Sargans, east Switzerland will be held on September 14th and 15th, 2005. This is an ... More Information

Frejus Tunnel Reopens in the Alps

Frejus Tunnel Reopens in the AlpsThe French-Italian Frejus tunnel in the Alps, which was closed since 4th June due to a fire that killed two truckers, reopened to traffic on 4th August. However, ... More Information

Mont Blanc Security Chief Sentenced to Jail for Tunnel Fire

Mont Blanc Security Chief Sentenced to Jail for Tunnel FireA court in the French Alpine town of Bonneville found 13 of the 16 defendants guilty on 27th July, 2005 in connection with the March 1999 ... More Information

Sapae Tunnel Breaks Through in South Korea

Sapae Tunnel Breaks Through in South KoreaSohn Hak-rae, president of the Korea Highway Corporation, executives from GS Engineering and Construction (ex LG Engineering and Construction) and ... More Information

Tunnelling Starts at Pajares with Herrenknecht TBM Update

Tunnelling Starts at Pajares with Herrenknecht TBM Update Spanish PM Zapatero and minister of public works Magdalena Alvarez at the launch of the first of five TBMs to be employed on the Pajares ... More Information

Mitsubishi TBM Arrives in Seattle for Beacon Hill Tunnel

Mitsubishi TBM Arrives in Seattle for Beacon Hill TunnelA Mitsubishi tunnel boring machine arrived in pieces on 11th July on the Seattle waterfront to be assembled over the next two months. After ... More Information

Asturias Inaugurates Test Tunnel in San Pedro de Anes

Asturias Inaugurates Test Tunnel in San Pedro de AnesIt is obvious that tunnels occupy an increasing place in the design and construction of civil works for roads, railways and urban transport. The ... More Information

Construction of Perthus Tunnel Starts on Figueras-Perpignan High Speed Link

Construction of Perthus Tunnel Starts on Figueras-Perpignan High Speed LinkMagdalena Alvarez, the Spanish minister of public works, and Dominique Perben, the French minister for transport, ... More Information

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

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Tunnelling News

Deutsche Bahn awards contract for Munich S-Bahn project

The contract involves structural works for the expansion, including the construction of tunnels and an underground station. The Tunnel Ostbahnhof JV, ... More Information

Excavation completed on Italian side of Brenner Base Tunnel

The tunnel boring machine (TBM) named “Flavia” successfully bored through the Alps beneath the Mules 2–3 section, reaching the Austrian border. More Information

Giant tunnel borer set for Shantou Bay project

A giant tunnel boring machine has been installed for tunnelling under Shantou Bay in Shantou, South China's Guangdong province. [Photo provided to ... More Information

€0.4bn road and tunnel project in Georgia

Work is proceeding on the Kvesheti-Kobi road and tunnel scheme in Georgia. The scheme is part of a larger project, being carried out with Chinese ... More Information

Lahore to transform with Rs49 billion tunnel boring project

Pakistan, April 27 -- The federal government has approved Lahore's Rs49 billion Tunnel Boring Project, marking a major development for the city... More Information

Construction at Cleveland Hopkins International Airport

The 2,100-foot-long tunnel connects the terminal to parking facilities and the tramway leading to the RTA public rail line. During the project, two of ... More Information

AFFHOLDER AND J.F. SHEA TEAM UP ON $700 MILLION CONTRACT

The tunneling subsidiary, Affholder LLC, will lead a joint venture with J.F. Shea Construction, Inc., to build the I-35 Capital Express Central ... More Information

Factory Testing Complete on DC Water's first tunnel boring machine for the Potomac River

Mary passed all the necessary requirements and is one of two TBM's on the project. The tunnel is part of DC Water's Clean Rivers Project, to ... More Information

Work on Chennai Metro tunnel racing to a finish

The machine Flamingo, which started boring in 2023 for the tunnel linking Light House with Thirumayilai, is expected to reach the other end in ... More Information

CPK awards contract to build high-speed rail tunnel in Lodz, Poland

The tunnel, to be constructed using a tunnel boring machine (TBM), will have a ... More Information

Inside HS2: Meet London's miners working on the Northolt tunnels

We are on a tunnel boring machine (TBM) inside High Speed Two's huge Northolt tunnels. These tunnel boring machines are part of a tunnelling ... More Information

Ontario Begins Construction Of Last Tunnel Segment Of The Eglinton Crosstown West Extension

The remaining eastern portion of tunnel construction (500-meter twin tunnels) will use the sequential excavation method, with daily progress of ... More Information

Norway is building the world's longest and deepest subsea road beneath its fjords

We have subsea road tunnels which have that construction. And the new tunnel between Germany and Denmark, there they are laying down cases and put ... More Information

CERN releases report on the feasibility of a possible Future Circular Collider

The estimated cost of construction of the FCC electron–positron stage, including the tunnel and all the infrastructure, is 15 billion Swiss francs... More Information

TBM break through on Auckland's £915M wastewater megaproject completes 16.2km tunnel

Auckland's major wastewater infrastructure project, the Central Interceptor, has reached a significant milestone with the final breakthrough of ... More Information

In pics: construction site of Chongming-Taicang tunnel

A smart assembling vehicle works at "Linghang" large diameter shield tunneling machine at the construction site of the Chongming-Taicang tunnel, part of the Shanghai-Chongqing-Chengdu ... More Information

IN PICTURES: Spectacular images of the removal of HS2's huge tunnelling machine

TBM Sushila was used to construct part of the Northolt Tunnel – an 8.4-mile tunnel ... construction/london-tunnels/progress-3/northolt-tunnel/tbm- ... More Information

Historic tunnels uncovered beneath Salisbury station during £5.3M upgrade project

Engineers from Network Rail and South Western Railway have uncovered a network of tunnels and rooms beneath Salisbury station during ongoing £5.3M upgrades to the station’s forecourt... More Information

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels. The new road will pass through Georgia along a trade route ... More Information

Buca Metro Tunnel Excavations Reached 50 Percent Level

Important progress is being made in the construction of the line, where four tunnel boring machines (TBMs), each 100 meters long, 7 meters wide and ... More Information

'Very promising' narrow-reef boring technology nearing rollout stage

A novel tunnel boring machine (TBM) will open up Bokoni's narrow tabular dipping PGM orebody to allow narrow-reef boring to take place, so that ... More Information

A vast undersea tunnel is being built

The 7.4 billion-euro ($7.7 billion) project is a huge undertaking, in every sense. Each section of the tunnel is colossal. These concrete structures ... More Information

National Grid gets planning permission for Grain to Tilbury upgrade with new Thames tunnel

National Grid has secured full planning approval for the Grain to Tilbury project, which includes a new power tunnel under the River Thames... More Information

Right track tunnel of Huangjialing Tunnel in NW China's Gansu drilled through

A staff member works on the construction site of the right track tunnel of the Huangjialing Tunnel in Linxia Hui Autonomous Prefecture, northwest ... More Information

Shetland Islands tunnels plan takes 'huge step forward' with sonar investigations

This phase will further inform the project's development and feasibility. The tunnel project, seen by locals as pivotal for improving ... More Information

Construction of the Tarande tunnel begins next week

On March 17th, in Vilnius district Construction of a tunnel and other related infrastructure will begin at Taranda and Bukiškis. This project aims ... More Information

Delhi Metro's Golden Line achieves major tunnel breakthrough;

The construction of Delhi Metro's Golden Line achieved a major milestone on Thursday as the Tunnel Boring Machine (TBM) broke through at the ... More Information

RiverRenew Tunnel Project Nearing Completion

The RiverRenew Tunnel System Project, the largest infrastructure investment in Alexandria's history, is nearing completion. More Information

Sydney Metro West tunnels enter final stretch after big breakthrough

Two tunnel boring machines (TBMs) constructing the huge Sydney Metro West tunnels have made a smashing entrance 24 metres below the surface. More Information

Chennai Metro Rail launches first tunnel boring machine for underground tunnelling in Kolathur

Corridor 5 begins at Madhavaram Milk Colony and connects through Koyambedu, Porur, Alandur and other residential/commercial areas of the city to ... More Information

Element Six, Master Drilling Announce Tunnel Development Partnership

Element Six and Master Drilling will deliver a diamond-enabled solution designed to increase tunneling development speed, reducing costs and minimize the environmental impact of tunnel ... More Information

Gateway Project Tunnel Connecting NY and NJ Moves Forward

Five Gateway contracts have been awarded so far, including one on Predergast's first day for construction on the Manhattan side of the tunnel... More Information

HSR Xi'an – Yan'an: Completion of All Tunnels in the Project

The HSR Xi'an – Yan'an has completed the excavation of all tunnels, including the Tongchuan Tunnel. This is a key milestone in the construction ... More Information

Brazil's US$1bn underwater tunnel project making waves among potential bidders

The first underwater road tunnel project in Brazil is attracting interest from multiple potential bidders, an official familiar with the matter ... More Information

Element Six and Master Drilling Announce Strategic Partnership for Advanced Tunnel

Achieving high quality, nonexplosive tunnel construction with various aspects of value generated compared to traditional rock excavation methods is a ... More Information

Tutor Perini Wins a $1.2 Billion NYC Contract

A joint venture of Sylmar-based civil construction firm Tutor Perini Corp. and its subsidiary Frontier-Kemper Constructors has won a $1.18 billion contract to construct a pair of rail ... More Information

Milestone reached for $1.6b Auckland wastewater tunne

Watercare's Central Interceptor project has passed an historic milestone with the southern half of the 16.2 kilometre tunnel – Blockhouse Bay ... More Information

Elon Musk's 'Wormhole' Tunnel Promises To Carry 20,000 People Per Hour In Dubai

It’s been more than eight years since Elon Musk decided he was fed up with traffic and declared he’d start digging tunnels to revolutionize public transport across the United States. So ... More Information

First tender for Dubai’s $22bn tunnels due within days

Dubai Municipality is expected to tender the first two packages of the $22bn Dubai Strategic Sewerage Tunnels (DSST) project imminently... More Information