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Blue Plains Tunnel TBM

On 09.04.2013 the District of Columbia Water and Sewer Authority (DC Water) named its massive Blue Plains Tunnel TBM Lady Bird, More Information

Meditunnel 2013 in Croatia

The symposium on tunnelling in the Mediterranean region takes place 7-8th May, 2013 in Porec on the Adriatic coast of Croatia More Information

ISTSS 2014 calling

Call for papers for the 6th International Symposium on Tunnel Safety and Security, ISTSS 2014, to be held at World Trade Centre (WTC) in Marseille, France, 12-14th March, 2014. More Information

Coatzacoalcos elements immersed

Coatzacoalcos elements immersed

On 11.03.2013 and 21.03.2013 the first and second elements of the 1.6 km-long Coatzacoalcos River tunnel in Veracruz, Mexico were successfully immersed. More Information

Phyllis reaches Bond Street

On 25.03.2013 TBM Phyllis reached the south end of the new Crossrail Bond Street western ticket hall at Davies Street, having constructed 2,000 tunnel rings and completed 3.2 km of new tunnels. More Information

More safety of the Frejus trans-European tunnel

The European Investment Bank (EIB) has made a tangible commitment to the cross-border Frejus Tunnel project in the form of a EUR120 million loan. It will enable a second tube to be built alongside the existing tunnel connecting Piedmont to Savoie. More Information

Gotthard Base Tunnel test runs

From April, 2013 rail tracks in both tubes of Gotthard Base Tunnel, for 20 km between Erstfeld and Sedrun, will be fully installed. More Information

EIB funds Warsaw Metro

The European Investment Bank (EIB) is lending EUR238 million towards the construction of the 6.7 km-long central section of Warsaw’s new metro line. More Information

ES Rubber in Gdansk

Twin 1.1 km-long, 12.2 m-diameter TBM-driven tunnels under the Vistula River in Gdansk, More Information

Metrorail kicks off in Madrid

The three-day Metrorail conference opens at Hilton Madrid Airport Hotel on Tuesday, 9th April More Information

Important visitors to Bauma

Some very important people will be attending Bauma in Muenchen later this month from 15-21 April. More Information

Devil’s Slide tunnels open

Devil’s Slide tunnels open

On 26.03.2013 the California Department of Transportation (Caltrans) officially opened the northbound and southbound Highway 1-Devil’s Slide Tunnels to traffic overnight. More Information

Follo Line from Oslo to Ski

The new 22 km-long double track Oslo-Ski line is part of the Follo project, which comprises 64 km of rail track. Preliminary works will start in 2013, and the contract for the 19.5 km-long twin tunnel will be tendered soon afterwards. More Information

The Northgate Link Extension

The Northgate Link Extension construction began in late-2012 with demolition of the Roosevelt Station site. More Information

SR 99 TBM docks in Seattle

The 41 parts that comprise the world’s largest EPB, with a 17.45 m diameter and weighing 7,000 t, arrived in Seattle, US from Osaka, Japan on 02.04.2013. More Information

Milan metro double

Milan metro double

On 26.03.2013 twin Herrenknecht EPBs owned by Astaldi simultaneously reached Pozzo Parco in the CityLife area having started from San Siro Harar–Dessie in April, 2012. This completed the 3 ... More Information

Saverne second tube complete

On 25.02.2013, TBM Charlotte, diameter 10 m, length 110 m, weight 2,220 tons, broke through the second tube of the 4,020m Saverne tunnel driving east-west. More Information

Rome Line C construction

Construction of the 3 km-long T3 section, San Giovanni - Fori Imperiali/Colosseo, Line C of the Rome metro will start in April, 2013. More Information

Pir Panjal tunnel opening

Pir Panjal tunnel opening

The 10.96 km-long, 8.40 m-wide, 7.39 m-high Pir Panjal railway tunnel on the Banihal-Qazigund section of J & K railway line is the India’s longest and Asia’s second largest. More Information

EasyJoint from G&G

EasyJoint from G&G

G&G Partners is a modern and dynamic company located in northern Italy, established and run by qualified managers in the ventilation field for tunnelling and mining applications. More Information

Meet iPS at Bauma

Meet iPS at Bauma

The iPS tunnelling team will be at Bauma, Muenchen from April 15-21 in Hall C, booth 529 to advise visitors on current and future employment More Information

Call for papers ISTSS 2014

Call for Papers for the 6th International Symposium on Tunnel Safety and Security (ISTSS 2014), to be held at World Trade Centre (WTC) in Marseille, France, 12-14th March, 2014. More Information

Italy tops tunnelbuilder league

This week saw the opening of tunnelbuilder file it/200, a landmark indicating that Italy has started more projects than any other country over the last fifteen years. During the same period, we reported 187 large projects in Norway and 171 in Spain. More Information

Air cushion carrier from Palmieri

Air cushion carrier from Palmieri

The innovative air cushion based carrier system Airmover 3000, conceived, designed and manufactured by Palmieri Group, was used for the first time to shift 3000 t TBM Martina at Sparvo More Information

Caterpillar at Toronto Metro

On 05.03.2013 the 6.12 m-diameter Caterpillar TBM EPB, nicknamed Moley, broke through the headwall of Downsview extraction shaft in the city of Toronto, More Information

Kathmandu-Hetauda postponed

The Nepal Infrastructure Development Company (NIDC) that conducted the detailed project report (DPR) of the Kathmandu-Hetauda tunnel highway couldn’t come up with convincing plans for a concession agreement with the government. More Information

CIPE funds new lines

CIPE funds new lines

On 08.03.2013 CIPE approved the final design for the first phase of technological and infrastructural alignment of the Battipaglia-Reggio Calabria railway in Italy, amount EUR157.4 million. More Information

Sesto-Monza metro extension

The JV Coestra/Bonciani/ACMAR of Florence was awarded the contract for the 1.8 km-long Line 1 metro extension from Sesto FS to Monza, in Italy. More Information

Tunnel safety and fire protection

Conference scheduled 4-5th June, 2013 for Brisbane, Australia will examine risk management, emergency response and fire prevention in tunnels. More Information

Kathmandu-Hetauda Tunnel Highway

Kathmandu-Hetauda Tunnel Highway

The Nepal Ministry of Physical Planning, Works and Transport Management will sign the final agreement with the Nepal Purbadhar Bikas Company (NPBC) More Information

Last chance for ExpoTunnel deal

Last chance for ExpoTunnel deal

ExpoTunnel, scheduled for Bologna, Italy from October 17-20th, 2013 is offering favourable reservation rates until end-February on all applications received by end of business on that day More Information

Strabag and Rio Tinto in partnership

Global mining company Rio Tinto, in cooperation with TBM manufacturers, recently developed two new tunnel boring systems (TBS) and one shaft boring system (SBS). More Information

Breakthrough at El Alto hydro

Breakthrough at El Alto hydro

The main underground structures on the new El Alto hydropower plant in Chiriqui province of Panama, in the district of Renacimiento near the Costa Rica border, More Information

Tunnel fitter required

International personnel recruitment agency iPS is seeking a fitter with general knowledge of the mechanical equipment used in tunnels. More Information

CP Technology for formworks

CP Technology for formworks

Milan-based CP Technology manufactures tunnel formwork, prefabrication forms, straddle carriers, and specialized structures and equipment. More Information

Robbins Slurry TBM emerges at Zhanjiang Bay

Robbins Slurry TBM emerges at Zhanjiang Bay

After advancing up to 392 m/month, the 6.26 m-diameter Robbins Slurry TBM broke through at the end of 2012 in China’s southern-most city. More Information

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