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Lochkov Tunnel under Construction on Prague South Ring Road

Lochkov Tunnel under Construction on Prague South Ring RoadLot 514 Slivenec-Lahovice of the Prague ring road project is currently under construction. This 6,013 m project, which is located in ... More Information

Austrian and Italian Governments Sign in Vienna Memorandum on Brenner Base Tunnel

Austrian and Italian Governments Sign in Vienna Memorandum on Brenner Base TunnelAustrian Chancellor Alfred Gusenbauer, Italy's minister for infrastructure Antonio Di Pietro and the Austrian ... More Information

French-Swiss Cooperation to Build, Operate and Maintain a Cross-border Sewage Tunnel

French-Swiss Cooperation to Build, Operate and Maintain a Cross-border Sewage TunnelThe Canton and Republic of Geneva, Switzerland and the Community of municipalities of the Gex territory (CCPG) in ... More Information

Second Driverless Metro Line Opens in Toulouse

Second Driverless Metro Line Opens in ToulouseToulouse's second fully automatic metro line was inaugurated on Saturday 30th June, 2007 by Jean-Louis Borloo, France's minister for ecology, ... More Information

Record-breaking Robbins TBM Demolishes Rock at Kárahnjúkar

Record-breaking Robbins TBM Demolishes Rock at KárahnjúkarOn 25th June, 2007, a Robbins 7.23 m main beam TBM set its second world record in the 7 to 8 m size range while boring at ... More Information

Vedeggio-Cassarate Tunnel under Construction in Lugano, Switzerland

Vedeggio-Cassarate Tunnel under Construction in Lugano, SwitzerlandThe Vedeggio-Cassarate tunnel in Lugano, Switzerland is the first piece within Lugano’s transport plan. This big scheme ... More Information

Last Breakthrough at Grouft Tunnel in Luxembourg

Last Breakthrough at Grouft Tunnel in LuxembourgThe entrance of the Grouft rescue tunnel was holed through on 18th June, 2007 near the Lorentzweiler-Blaschette road, thus marking the last ... More Information

Work Finishes on Olympic Power Tunnel in London

Work Finishes on Olympic Power Tunnel in LondonConstruction of two tunnels to take power into the Olympic Park has been completed. Four Lovat TBMs dug the two 6 km-long bores, and despite a delay to ... More Information

Betuwe Line Starts Operating between the Netherlands and Germany

Betuwe Line Starts Operating between the Netherlands and GermanyQueen Beatrix of the Netherlands opened the Betuwe line on 16th June, 2007 at Barendrecht station where, besides the Betuwe line, four ... More Information

Preparatory Works at Allegheny River Tunnel in Pittsburgh Awaiting TBM Arrival in August

Preparatory Works at Allegheny River Tunnel in Pittsburgh Awaiting TBM Arrival in AugustThe work to prepare for Pittsburgh's first underwater tunnels is marching forward on schedule. Excavators, ... More Information

First Section of Pajares Tunnel is Completed

First Section of Pajares Tunnel is CompletedOf the five machines used to bore the Pajares high speed rail tunnels in Spain, the NFM Technologies 9.88 m-diameter hard rock tunnel boring machine ... More Information

First, West Mont Sion Tunnel Breaks Through in France

First, West Mont Sion Tunnel Breaks Through in FranceAfter eight months of tunnelling under the Mont Sion, Herrenknecht’s TBM dubbed ‘Adelaide’ has emerged to light on 12th June, 2007 at ... More Information

Loetschberg Base Tunnel Officially Opens

Loetschberg Base Tunnel Officially OpensThe Loetschberg rail tunnel has been officially opened by Swiss transport minister Moritz Leuenberger on 15th June, 2007. Leuenberger and other ... More Information

First LIRR's East Side Access TBM Arrived in NYC

First LIRR's East Side Access TBM Arrived in NYCLong Island Rail Road's East Side access project includes two new tunnels under Manhattan and Queens to connect with the existing 63rd Street tunnel ... More Information

Capilano-Seymour Water Project in Progress in Vancouver

Capilano-Seymour Water Project in Progress in VancouverWater from the Capilano reservoir will be pumped through a 3.8 m-diameter tunnel to the filtration plant in the Lower Seymour Conservation ... More Information

World's Biggest TBMs at Work at Yangtze Tunnel in China

World's Biggest TBMs at Work at Yangtze Tunnel in ChinaThe People's Republic of China is one of the most dynamic economic regions in the world. With its unprecedented growth, the country ... More Information

China's SHMG Takes Control of NFM Technologies amid Booming Domestic Market

China's SHMG Takes Control of NFM Technologies amid Booming Domestic MarketThe Lyon Commercial Court agreed upon the safeguard plan of NFM Technologies on 24th May, 2007. This plan will be approved ... More Information

Grands Goulets Tunnel Breaks Through in Gorges of Vercors

Grands Goulets Tunnel Breaks Through in Gorges of VercorsThe breakthrough of the Grands Goulets tunnel on 27th April, 2007 is a historical milestone for the economic development and the ... More Information

San Cristobal Tunnel Breakthrough in Santiago de Chile

San Cristobal Tunnel Breakthrough in Santiago de ChileThe San Cristobal tunnel will connect Huechuraba and Recoleta, two municipalities north of Santiago de Chile, with Providencia and Las ... More Information

South Tunnel on M-30 South Bypass Opens in Madrid

South Tunnel on M-30 South Bypass Opens in MadridAlberto Ruiz Gallardon, the Mayor of Madrid, inaugurated on 8th May, 2007 the south tunnel of the south bypass on the inner ring road, a 4.2 ... More Information

Andorra Completes Service Tunnel at Dos Valires

Andorra Completes Service Tunnel at Dos ValiresThe 2,870 m-long Dos Valires service tunnel broke through in the Principality of Andorra. The first blast took place on 19th October, 2005 and ... More Information

TBM Breaks Through Beacon Hill in Seattle

TBM Breaks Through Beacon Hill in SeattleA Mitsubishi Heavy Industries tunnel boring machine broke through the east side of Beacon Hill in the Seattle's south end a little after 8:15 a.m on ... More Information

Godwin Pumps at RETC

Godwin Pumps at RETCThe Godwin Dri-Prime® - an automatic self-priming centrifugal pump set available in sizes from 2" to 18" (50 mm to 450 mm) - has been proven in tunnel and shaft ... More Information

Third China International Tunnel and Underground Space Exhibition and Conference

Third China International Tunnel and Underground Space Exhibition and ConferenceThe Third China International Tunnel and Underground Space Exhibition and Conference, or Tunnel China 2007 as it is ... More Information

Martin Knights Elected President of ITA

Martin Knights Elected President of ITAAs widely expected, Martin Knights was elected president of the ITA at the recent Prague conference. Martin has 35 years post graduate civil engineering ... More Information

Bauma 2007 Sheds Light on Atlas Copco's E-series Drill Rig and New Roofex Bolt

Bauma 2007 Sheds Light on Atlas Copco's E-series Drill Rig and New Roofex BoltTo further enhance the success of Rocket Boomer E-series - Atlas Copco's new series of face drilling rigs for ... More Information

Two CSM Bessac TBMs at Work in Algiers

Two CSM Bessac TBMs at Work in AlgiersIn November 2001, the poor districts of Bab El Oued, Frais Vallon and Beau Fraisier on the western side of Algiers were struck by devastating floods and ... More Information

Seen at Bauma 2007

Seen at Bauma 2007At Bauma 2007 held in Munich, Germany on 23rd-29th April, manufacturers of machinery for tunnels and mines have put a lot of effort into easy assembly. Assembly times have ... More Information

ITA Presidency Battle Hots Up

ITA Presidency Battle Hots UpBallots for the next three years presidency of ITA will be cast on 5th May, 2007 at the ITA Assembly in Prague. A leading contender is Martin Knights of Jacobs ... More Information

Robbins-MHI EPBMs To Excavate Delhi Metro Extension

Robbins-MHI EPBMs To Excavate Delhi Metro ExtensionRobbins will team up with Mitsubishi Heavy Industries (MHI) to design and manufacture two 6.5 m-diameter earth pressure balance machines (EPBMs) on ... More Information

Bosphorus Tunnel Reaches Major Milestone

Bosphorus Tunnel Reaches Major MilestoneThe first immersed tube section of a new rail tunnel joining Europe and Asia was recently placed in a trench at the bottom of the Bosphorus Straits in ... More Information

Herrenknecht's Triple TBM Launch on Metro Lines in Athens, Sao Paulo and Budapest

Herrenknecht's Triple TBM Launch on Metro Lines in Athens, Sao Paulo and BudapestThree Herrenknecht TBMs have been put at work around the world in recent weeks to build three new metro lines ... More Information

Bauma Mining 2007, a Must-See Place for Tunnelling Professionals

Bauma Mining 2007, a Must-See Place for Tunnelling ProfessionalsThe 2007 edition of Bauma, the world fair for machinery for the building and construction, building materials and mining industries, ... More Information

Lovat’s Double Olympic Achievement in London and Vancouver

Lovat’s Double Olympic Achievement in London and VancouverTunnelling work on major infrastructure developments for the 2012 Summer Olympic Games in London and the 2010 Winter Olympics in ... More Information

Water Arrives in Kunming

Water Arrives in KunmingAfter nearly five years struggling with extremely difficult geological conditions, the official inauguration ceremony of the Zhangjiuhe River Water Diversion and Water ... More Information

Lovat to Supply TBM for Hobson Bay Sewer in Auckland

Lovat to Supply TBM for Hobson Bay Sewer in AucklandLovat and contractors McConnell Dowell and Fletcher Construction have recently signed a contract for the supply of a new Lovat RME170SE Series ... More Information

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Tunnelling News

IN MEMORIAM - OLIVIER VION (1962-2024)

Through the past decades, the energy and foresight to lead the management of the ITA International Tunnelling and Underground Space Association has been in the hands of Olivier Vion, a man ... More Information

Amtrak awards construction contract for East River Tunnel rehabilitation

The $1.6 billion project calls for demolishing all existing tunnel systems down to the liner, then restoring both tubes. During the project, one tube ... More Information

Strabag in €110 million deal to equip transalpine tunnel

Austrian contractor Strabag has won a €110 million (US$120 million) to equip a transalpine tunnel linking Austria and Slovenia... More Information

19 tunnel boring machines for Manila subway set

A close-up of the tunnel boring machine head, with a diameter of 6.9 meters. ... The first cutter head of the first tunnel boring machine (TBM), named ... More Information

$16 billion Gateway Tunnel Project gets federal funding boost after years of delays

The $16.1 billion project includes a new rail tunnel linking New York and New Jersey — and is set to be open by 2035 ... More Information

Preferred bidder announced for second tunnelling contract

The global consortium of WeBuild S.p.A, GS Engineering and Construction Australia and Bouygues Construction ... Tunnel Project, North East Link ... More Information

Bechtel Picked as CM for $12.7B Single-bore BART Extension

Officials with the VTA are aiming to begin major construction and tunnelling for the $12.7-billion BART Silicon Valley Phase II Extension Project next ... More Information

Stonehenge could be put on world heritage danger list over tunnel plan

The United Nations Educational, Scientific and Cultural Organization (UNESCO) has recommended that Stonehenge be listed as ‘World Heritage in Danger’ due to the A303 upgrade scheme and is ... More Information

World’s longest railway tunnel to reopen after a year

The tunnel closed on 10th August last year following the derailment of a freight train, and SBB has since been pushing ahead with repair work... More Information

Afcons Infrastructure Wins Bid for Thane Tunnel Project

Afcons Infrastructure secures the L1 bid for a tunnel project in Thane, marking a significant milestone in infrastructure development. More Information

Kolkata Metro: D-Wall's Construction Work At Victoria Metro Station Is Advancing Swiftly

For the tunnelling work of the stretch from the Khidderpore to Park Street stretch of this Corridor, two Tunnel Boring Machines (TBM) will be deployed ... More Information

K2D Skøyen – Vækerø

Implenia has been awarded the contract for section K2D Skøyen - Vækerø, which is part of the entire Fornebu line that will be completed in 2030... More Information

Massey Tunnel replacement project hits design-build proposal stage

Tunnel replacement project has finally hit the design-and-build proposal stage. The Transportation Ministry announced Wednesday that three bid ... More Information

Barhale wins £36m East London sewer remediation

Thames Water has appointed Barhale to deliver essential remediation works on a Victorian gravity sewer as it passes above the Jubilee Line and Docklands Light Railway in East London... More Information

Reaping Rewards From Continuous Innovation

In boring underground tunnels for Malaysia's MRTs, Gamuda developed the world's first autonomous tunnel boring machine (A-TBM), utilizing in-house ... More Information

5 of the longest tunnels in the world and how they were built

Since the invention of the tunnel boring machine in 1853, engineers have used advanced technology to drill, blast, and bore into the earth. From ... More Information

Femern - inauguration of the first tunnel element

We are pleased to announce that H.M. King Frederik X will take part in the inauguration of the first tunnel element on the construction site on 17 June. H.M. King Frederik X will arrive at ... More Information

HOCHTIEF-MURPHY Joint Venture (HMJV)

A busy first half of the year on the HOCHTIEF-MURPHY Joint Venture (HMJV) Package 5 Headhouses & M&E contract on National Grid’s LPT Phase 2... More Information

Tesla Cybertruck escorts Boring Co's Prufrock-3 tunnel boring machine

The Boring Company's Prufrock-3 tunnel boring machine (TBM) recently completed a tunnel to Giga Texas, and in true Elon Musk fashion, ... More Information

Kazakhstan’s First Automobile Tunnel and Largest Bridge to be Completed this Year

As reported by the Kazakhstan’s Ministry of Transport, Kazakhstan’s first automobile tunnel through the Shakpak Baba Pass and the country’s largest bridge over the Bukhtarma Reservoir ... More Information

HRBT Expansion Project hits big milestone, could be on track for early completion

The tunnel boring machine, known as Mary ... construction of our two new bored tunnels,” said Project Director Ryan Banas... More Information

TBMs Pass Factory Test For Lesotho Highlands Water Project

A team of engineers and tunnel experts from the Lesotho Highlands Development Authority (LHDA) together with consultants and contractors working on the Polihali transfer tunnel recently ... More Information

Royal Cargo opts for Goldhofer heavy transport equipment

It has also been in action moving tunnel boring machines (TBM) for the Metro Manila Subway project ... machine part posed a significant challenge due ... More Information

Tunnel breakthrough on NI Water's £7.8M Portadown wastewater project

The tunnel boring machine excavated roughly 1,000m3 of material, which would have risen to 8,000m3 of spoil with a more traditional open-cut method. More Information

The Boring Company announces Cybertunnel at Tesla Texas HQ

In January, the company's latest tunnel boring machine (TBM), Prufrock 3, was first spotted near Tesla's Giga Texas. Prufrock-3 has ... More Information

How do you build tunnels and bridges underwater?

Underground construction usually uses powerful tunnel-boring machines to excavate soil directly. This machine is often called a mole for a reason. More Information

Five Huge New Construction Projects Coming To The US

A spokesperson for the project told Newsweek: "The Hudson Tunnel Project is a generational investment that is expected to create 95,000 new jobs and ... More Information

Chennai Metro Corridor 3: Adyar River Tunnel Work Hampered By Geological Setbacks

For the stretch between Greenways Road and Adyar, CMRL engaged two TBMs, 'Kauvery' and 'Adyar.' These machines were launched from Greenways Road ... More Information

French and Danish firms to build Valby 'cloudburst tunnel'

The underground tunnel will be 2,380m long and will be constructed as a drilled tunnel with an internal diameter of 3.4m. The tunnel will have the ... More Information

Howard's approved budgets include $44.9M for Ellicott City tunnel

The Howard County Council has approved a $2.4 billion operating budget for fiscal 2025, along with a $413 million capital construction budget that ... More Information

DC Water Breaks Ground On Potomac River Tunnel Project

DC Water on May 21 hosted a groundbreaking ceremony to officially commence construction activities for the Potomac River Tunnel Project... More Information

Silvertown Tunnel portal connections completed

A complete transformation of the tunnel shape was needed to connect the circular tunnel boring machine (TBM) constructed ... More Information

The $4BN Tunnel to Save Stockholm - The B1M

Above: A tunnel entrance under construction. When it completes in 2030, the $4BN project will be one of the longest road tunnel systems in the world. More Information

OHLA awarded the Gjønnes tunnel in Norway for nearly 160 million euros

The Norwegian Public Roads Administration (Statens Vegvesen) has awarded the company the design and construction of the Gjønnes tunnel for 156 ... More Information

Utilities tunnel dug through 'challenging' ground conditions under River Tees

Main contractor Farrans Construction worked with specialist contractor Joseph Gallagher to construct the tunnel. During its five weeks of tunnelling ... More Information

China develops world's first boring and blasting machine

In a groundbreaking development, the world's first boring and blasting machine, jointly developed by Tsinghua University and China Railway Science and Industry Group, has successfully ... More Information

Tunnel boring machine wedged in hard rock, leaving Snowy 2.0 hydropower project with new issues

Tunnelling problems are plaguing the $12 billion Snowy 2.0 hydropower project, with a boring machine previously bogged in soft ground now wedged in ... More Information

Construction Complete On New High-Speed Rail Tunnel

Inside the completed Desheng Tunnel, and inset, a Chinese high-speed train. Work on the project is now complete. © China ... More Information

DC Water Breaks Ground on Potomac River Tunnel Project

The Project consists of a large-diameter deep sewer tunnel, diversion facilities, drop shafts, and support structures to capture flows from existing ... More Information