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Chicago Finishes Deep Tunnel

Chicago Finishes Deep TunnelAfter 30 years and more than USD3 billion, the 176 km of tunnels were completed recently when the 12.9 km Little Calumet leg near Calumet City, Lansing and South ... More Information

Lovat TBM Starts Canada Line in Vancouver

Lovat TBM Starts Canada Line in VancouverA Lovat TBM, nicknamed 'Sweet Leilani', was launched with champagne on 10th June, 2006 at an official ceremony at the future False Creek South station ... More Information

Robbins Signs Contract for Very Long Water Tunnel in India

Robbins Signs Contract for Very Long Water Tunnel in IndiaJaiprakash Associates Limited (JAL) has signed contracts with Robbins for the AMR project in Andhra Pradesh, India on 26th May, 2006. The ... More Information

Eiksund Tunnel Sets New Record

Eiksund Tunnel Sets New RecordThe 7,765 m-long Eiksund tunnel in Norway has set a new world record when the deepest point excavated so far (-266 m below sea level) was reached on 31st May, ... More Information

Hsuehshan Tunnel Opens in Taiwan

Hsuehshan Tunnel Opens in TaiwanThe 12.9 km Hsuehshan, or Snow Mountain, tunnel has opened to traffic on 16th June, 2006 in eastern Ilan county, Taiwan. It is the longest road tunnel in Asia ... More Information

Robbins Readies TBMs for Capilano-Seymour Water Scheme in Vancouver

Robbins Readies TBMs for Capilano-Seymour Water Scheme in Vancouver Deployment of the first of two Robbins tunnel boring machines represents a significant step in construction of the ... More Information

Double Breakthrough with Two Lovats in Bologna

Double Breakthrough with Two Lovats in Bologna Sergio Cofferati, the mayor of Bologna, and Elio Catania, the president and CEO of the Italian railways, presided on 31st May, 2006 the ... More Information

Norway Builds SILA Project

Norway Builds SILA Project Sweden's LKAB supplies highly upgraded iron ore products to the steel industry and custom-adapted mineral products to other industrial sectors. Most of LKAB's ... More Information

Chilean President Michelle Bachelet Kicks off San Cristobal Tunnel at Groundbreaking Ceremony

Chilean President Michelle Bachelet Kicks off San Cristobal Tunnel at Groundbreaking CeremonyChilean president Michelle Bachelet, minister of public works Eduardo Bitran, and Karl Traub, ... More Information

Flood Relief Tunnel Starts in Paris

Flood Relief Tunnel Starts in ParisAn impressive tunnel boring machine commences to work at the Ivry-Massena tunnel (TIMA) in Paris. Its mission is to dig Europe's biggest and deepest ... More Information

Last Breakthrough in the Uetliberg Tunnel with Tunnel Bore Extender Using Undercutting Technique

Last Breakthrough in the Uetliberg Tunnel with Tunnel Bore Extender (TBE) Using Undercutting TechniqueOn 18th May, 2006 the Uetliberg tunnel construction crew celebrated the TBE's last ... More Information

Katschberg Tunnel Breaks Through in Austria

Katschberg Tunnel Breaks Through in AustriaThe 5,414 m Katschberg tunnel on the A10 Tauern motorway connects Salzburg with Carinthia. It is a single bored tunnel and for obvious safety ... More Information

World's Largest TBM Ready to Cross the Yangtze in Shanghai

World's Largest TBM Ready to Cross the Yangtze in ShanghaiAt the end of April 2006, Herrenknecht handed over the first tunnelling machine with a diameter of 15.43 m to the Chinese client ... More Information

Angela Merkel Inaugurates New Central Station and Tunnel in Berlin as Germany Hosts World Cup

Angela Merkel Inaugurates New Central Station and Tunnel in Berlin as Germany Hosts Football World Cup Berlin inaugurated its new central station on 26th May, 2006. The new station is ... More Information

Nordoya Tunnel Opens in Faroe Islands

Nordoya Tunnel Opens in Faroe IslandsThe 6.2 km Nordoya subsea tunnel opened on 29th April, 2006 in the Faroe Islands, three months ahead of schedule. This is a single-tube dual-lane tunnel, the ... More Information

First Sections of Variante di Valico to Open Soon

First Sections of Variante di Valico to Open SoonThe upgrading project of the Apennine section between Sasso Marconi and Barberino di Mugello, first designed in 1993 and revised in 1999, goes from ... More Information

Construction Starts on Tunnel under Yangtze River in Wuhan

Construction Starts on Tunnel under Yangtze River in WuhanWuhan, capital of Hubei province, wants to decongest the only two bridges over the Yangtze River in the city centre. The 3,609 m-long ... More Information

Underground Drillrigs Launch

Underground Drillrigs LaunchAfter the Rocket Boomer E2, Atlas Copco has added a new member to the Rocket Boomer E-series family: the Rocket Boomer XE3, a three-boom drill rig. The Rocket ... More Information

East Rail's Lok Ma Chau Spur Line Extension in Hong Kong Nears End

East Rail's Lok Ma Chau Spur Line Extension in Hong Kong Nears EndIn Hong Kong's Northern New Territories lies a 25 hectare site of agricultural lands and ponds. This is the Long Valley ... More Information

One out of Four European Tunnels is Unsafe

One out of Four European Tunnels is UnsafeThe EuroTest firstly, then the European Tunnel Assessment Programme (EuroTAP) began in 2000 following the Mont Blanc tunnel disaster when 39 people ... More Information

Experts Invited to Workshop and Fire Test on Water Mist Systems

Experts Invited to Workshop and Fire Test on Water Mist SystemsIntensive research work over the last decade has shown that fixed automatic firefighting systems considerably can increase safety in ... More Information

Turin Hosts INTERtunnel 2006

Turin Hosts INTERtunnel 2006The 7th INTERtunnel will be held in Turin at the Lingotto Fiere exhibition centre from 16th to 18th May, 2006. Italy is the ideal host country for an exhibition covering ... More Information

Rome Presented Project Finance Scheme for Metro Line D

Rome Presented Project Finance Scheme for Metro Line DOn 13th April, 2006 the project finance scheme of Line D, the fourth subway line in Rome, has been presented. This is a new line to be developed ... More Information

First Castellanza Tunnel Breaks Through on Saronno-Malpensa Railway Section

First Castellanza Tunnel Breaks Through on Saronno-Malpensa Railway SectionThe first tunnel built to place underground the FNM tracks in Castellanza broke through on 19th April, 2006. The ... More Information

SMART Southern Tunnel Breaks Through in Kuala Lumpur

SMART Southern Tunnel Breaks Through in Kuala Lumpur The southern drive of the SMART (Stormwater Management and Road Tunnel) project in Kuala Lumpur, Malaysia was completed on 22nd ... More Information

Zitron to Supply Fans for World's Biggest Underground Project

Zitron to Supply Fans for World's Biggest Underground ProjectThe M-30 motorway in Madrid is a large thoroughfare built in the seventies between Manoteras junction and Los Franceses bridge, and ... More Information

Concrete Admixtures by Sika

Concrete Admixtures by SikaSika's latest products include several novelties in the range of concrete admixtures. Sigunit®-L52 AF S and Sigunita®-L53 AF S are ecological alkali-free ... More Information

Stockholm to Present Projects Worth EUR2.5 Billion at International Meeting

Stockholm to Present Projects Worth EUR2.5 Billion at International MeetingThe Stockholm region is currently undergoing a period of rapid expansion. Within the next ten years, several very large ... More Information

Wirth Exports its Tunnel Bore Extender to Japan

Wirth Exports its Tunnel Bore Extender to JapanTo protect an endangered species of hawk during expansion of the Tokyo Metropolitan Expressway, a 1,000 m-long tunnel is not being blasted but bored ... More Information

Fire Protection by Thermal Ceramics

Fire Protection by Thermal CeramicsTo meet the requirements of the French equipment and transport ministry's directive 2000-63 of 25th August, 2000 the Ariege provincial road agency (DDE) - project ... More Information

Cat Shows 321CCR Compact Tunnelling Excavator for First Time at Intermat

Cat Shows 321CCR Compact Tunnelling Excavator for First Time at IntermatGeneva-based Caterpillar Tunnelling Industries shows for the first time in a construction fair in Europe its 321CCR compact ... More Information

Lovat and Kawasaki Heavy Industries Form Strategic Alliance

Lovat and Kawasaki Heavy Industries Form Strategic AllianceLovat has agreed with Kawasaki Heavy Industries to combine resources and experience to form a worldwide collaboration agreement to provide ... More Information

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

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Tunnelling News

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

London's Thames Tideway Tunnel now fully connected

After 10 years of construction work, the last of the 21 connections of the Thames Tideway Tunnel was made to the city's Victorian sewage system. More Information

Silvertown Tunnel

Silvertown Tunnel is the Transport for London project looking to forge a brand-new connection between Silvertown and the Greenwich Peninsula... More Information

Dubai Loop: Elon Musk to Build Huge Underground Road Network

Musk's The Boring Company, which is responsible for building a similar project in Las Vegas, aims to create 17 kilometers of tunnel capable of ... More Information

Wisconsin approves $4.5m tunnel lighting project

Wisconsin Governor Tony Evers has approved a $4.5m lighting systems upgrade project in various tunnels in Milwaukee County, Wisconsin. More Information

$1.18bn Manhattan Tunnel contract awarded as part of $16bn Hudson Tunnel Project

The Hudson Tunnel Project is the key section of the Gateway Programme, which is a comprehensive rail infrastructure investment aimed at boosting ... More Information

North East Link continues to forge ahead towards completion

Tunnelling will soon commence on Victoria's longest twin road tunnels – the North East Link tunnels – as two massive tunnel boring machines (TBMs) are ... More Information

Africa's huge £8.5m tunnel cuts up to 26 minutes off journeys to major capital city

The tunnel is to be constructed within the next three years. This project will not only create 500 jobs in the construction ... More Information

CMRL's tunnel boring machine from Panagal Park reaches Kodambakkam station after a year

Chennai Metro Rail's Phase II Project faces delays as tunnel boring machines 'Pelican' and 'Peacock' progress towards Kodambakkam... More Information

$800-million twin-tube tunnel, longest in the Philippines, nears 'breakthrough'

A senior agency official stated on Thursday that the tunneling phase of the Davao City Bypass Construction Project will achieve a long-awaited ... More Information

The World’s Largest Immersed Tunnel Is Being Built—And It’s Done Without a Tunnel Boring Machine

When we think about groundbreaking advancements, our minds often jump to cutting-edge technology like smartphones or supercomputers. But some of the most awe-inspiring innovations are ... More Information

Brenner Base TBM enters 'highly fractured' fault zone

A tunnel boring machine (TBM) working on the northernmost active construction lot of the Brenner Base Tunnel project has entered a “highly ... More Information

India building a historic Undersea Tunnel for Mumbai-Ahmedabad Bullet Train Project

He stated, "All high-quality safety norms have been adopted in the construction of this India's first carefully designed undersea tunnel project." The ... More Information

Norway's Incredible Ship Tunnel Plan Is Back On Track

Despite pandemic-related and planning delays to the project, the Norwegian Coastal Administration is pressing ahead with plans to build the world's ... More Information

PM Modi inaugurates Z-Morh tunnel in J&K

The tunnel works with the under-construction Zojila tunnel to enhance travel efficiency and road connectivity. NEW DELHI: Prime Minister Narendra ... More Information

Metro's tunnel construction on track

Meanwhile, the 'Azad' TBM is already working on the 'up-line' tunnel for the same stretch. After arriving at Transport Nagar, both TBMs were 'dragged' ... More Information