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European Union to Strengthen Safety Rules for Road Tunnels

European Union to Strengthen Safety Rules for Road TunnelsThe transport ministers of the EU backed a directive proposal for stricter safety regulations in European tunnels, that were endorsed in a ... More Information

Weldgrip for one-stop ground and strata control

Weldgrip for one-stop ground and strata controlWeldgrip has a dedicated, purpose-built facility for the manufacture of machinery, tools and equipment for ground and strata control. Supplying a full ... More Information

Fourth Breakthrough at Lötschberg Base Tunnel

Fourth Breakthrough at Lötschberg Base TunnelAfter two years and four months, the Herrenknecht TBM which started working from Raron has completed on schedule a 10 km east tube section to the Ferden ... More Information

Hsueshan Tunnel Breaks Through

Hsueshan Tunnel Breaks ThroughTaiwan's President Chen Shui-bian, Premier Yu Shyi-kun, and Minister of transportation and communications Lin Ling-san attended the breakthrough by a Robbins TBM of the ... More Information

Hai Van Pass Tunnel Breaks Through

Hai Van Pass Tunnel Breaks ThroughA major breakthrough took place at the Hai Van tunnel on 28th October when workers on either side of the 6,247 m-long 11.9 m-wide tunnel met each other. Workers of ... More Information

First Robbins TBM for Karahnjukar - is/14

First Robbins TBM for Karahnjukar - is/14The Owner, the Consultant and Impregilo have signed off on delivery of the first of three Robbins TBMs for the Karahnjukar project in Iceland. The first TBM ... More Information

NFM Technologies to Supply Second TBM to Excavate Kazan's First Metro Line

NFM Technologies to Supply Second TBM to Excavate Kazan's First Metro LineKazmetrostroy, in charge of building Kazan's metro, has ordered a second hand TBM from NFM Technologies. This machine will ... More Information

US Department of Transport Publishes Recommendations for Bridge and Tunnel Safety

US Department of Transport Publishes Recommendations for Bridge and Tunnel SafetyThe Federal Highway Administration (FHWA) has published a report stressing that tunnels and bridges in the United ... More Information

Consultant Wanted for Major Highway Tunnel

Consultant Wanted for Major Highway TunnelA well-qualified M & E control consultant is required for the twin-tube, 18 km-long Qinling Zhongnanshan, tunnel, currently under construction as ... More Information

Tunnelling Sub-Contractor Urgently Required

Tunnelling Sub-Contractor Urgently RequiredValecha Engineering has received a design work order to commence Udaipur city's Mansi Wakal water supply project near Dewas in India, value Rs165 million. ... More Information

King Juan Carlos Inaugurates Madrid to Lleida HSL

King Juan Carlos Inaugurates Madrid to Lleida HSLKing Juan Carlos and Queen Sofia inaugurated on 10th October the Madrid to Lleida high speed line during a inaugural trip which took four hours to ... More Information

Section of A86 Tunnel in Paris Breaks Through

Section of A86 Tunnel in Paris Breaks ThroughThe Herrenknecht TBM boring the east tunnel on the A86 motorway west of Paris broke through on 14th October the first section, named VL1 and 4.5 km in ... More Information

Herrenknecht TBM to Build Martignano Tunnel in South Tyrol

Herrenknecht TBM to Build Martignano Tunnel in South TyrolA Herrenknecht hard rock single shield TBM is arriving in pieces in Trento province, Italy to drive a twin tunnel on the 4 km Martignano ... More Information

European Commission Proposes New Projects and New Funds to Dynamise Europe

European Commission Proposes New Projects and New Funds to Dynamise EuropeThe European Commission proposed on 1st October adapting the guidelines for the trans-European transport network (TEN-T) to ... More Information

Antraquip for tunnel excavation, support and specialist plant services

Antraquip for tunnel excavation, support and specialist plant servicesAntraquip Corporation offers a wide range of plant and equipment expertise in the supply, refurbishment and rebuilding of ... More Information

Dataline Tunnelling 2003 Event in Madrid

Dateline Tunnelling 2003 Event in MadridTo highlight the booming civil engineering sector, and more particularly tunnelling both at Spanish and international levels, IIR Spain organises on 28th-30th ... More Information

Code of Practice for Risk Management of Tunnel Works

Code of Practice for Risk Management of Tunnel Works The BTS has published a joint code of practice agreed with British insurers designed to promote and secure best practice for the minimization and ... More Information

Read All About It!

Read All About It!E-News Weekly from tunnelbuilder is the only weekly tunnelling market intelligence e-newsletter available from any source. This week, issue No 93 describes the punishment meted out ... More Information

World's Deepest Underground Station Mooted at Gotthard

World's Deepest Underground Station Mooted at GotthardPlans are afoot to build the world's deepest underground railway station in Switzerland, nearly one kilometre below the surface. The "Porta ... More Information

Tests to Better Understand Fire Propagation in Tunnels

Tests to Better Understand Fire Propagation in TunnelsIn recent years a number of road tunnels fires have occurred throughout Europe with catastrophic outcome. Among these are the fire in the Mont ... More Information

Second TBM Start for Line 9 in Barcelona

Second TBM Start for Line 9 in BarcelonaLlobri, this is the name of the second TBM that will drive the 44 km metro line 9 in Barcelona. The machine started to tunnel the new line between the Gorg ... More Information

Putzmeister Concrete Pumps for Lötschberg Base Tunnel

Putzmeister Concrete Pumps for Lötschberg Base TunnelPutzmeister concrete pumps and concrete wet spray machines are being used on several contract sections of the Lötschberg. Consortium Satco is ... More Information

Welcome to the Future!

Welcome to the Future!tunnelbuilder.com front page has undergone a substantial revision this week, as part of a complete upgrade of our operating software. Page presentation is now database-driven, ... More Information

Four Road Headers Now Work on Cross City Tunnel in Sydney

Four Road Headers Now Work on Cross City Tunnel in SydneyFour roadheaders are now tunnelling underneath Sydney to build the Cross City Tunnel (CCT). Since the first machine started work on 19th May, ... More Information

Dateline Underground Construction 2003

Dateline Underground Construction 2003It's high time to make travel plans for the UC 2003 conference and exhibition, which takes place at ExCeL, London on 24-25th September. ExCeL is at the old ... More Information

Busy Time for Robbins

Busy Time for RobbinsIn the US, the first of two Robbins TBMs has started on the 14km long Nancy Creek sewer tunnel in Atlanta, GA, while a Robbins 5.6 m-diameter hard rock machine at Chicago TARP ... More Information

Geokon - world-class geotechnical instrumentation

Geokon - world-class geotechnical instrumentationGeokon is the most successful designer and manufacturer of vibrating wire geotechnical instrumentation, with a line of products that is unsurpassed ... More Information

Spanish Tunnellers Rescued from Guadarrama Tunnel

Spanish Tunnellers Rescued from Guadarrama TunnelThirty-four workers have been rescued after being trapped by fire for five hours on 6th August in the Guadarrama railway tunnel under construction on ... More Information

New Concept in Lighting Control from Mayer

New Concept in Lighting Control from MayerMayer International (UK) Ltd has introduced an advanced new concept in automated light switching technology for road tunnels. Known as System-1600, it ... More Information

Muck Cars Designed by CSM Bessac Receive Innovation Award

Muck Cars Designed by CSM Bessac Receive Innovation AwardThe Roll and Rock process designed by CSM Bessac, a small-to-midsize TBM maker based near Toulouse, France has received a French construction ... More Information

Wirth Completes Shaft II in Sedrun for Gotthard Base Tunnel in Record Time

Wirth Completes Shaft II in Sedrun for Gotthard Base Tunnel in Record TimeThe breakthrough by a Wirth shaft boring machine of the tunnel floor level on 23rd June, 2003 marked another milestone at ... More Information

Crossrail Gets Green Light

Crossrail Gets Green LightThe UK government has given the go-ahead for the £10 billion Crossrail project that will link east and west London. But transport Secretary Alistair Darling has again ... More Information

Herrenknecht Reports Growth

Herrenknecht Reports GrowthHerrenknecht AG, in its 2002 Annual Report, has reported sales in excess of €300 million for the first time, consolidating its position as market leader in TBM ... More Information

Putzmeister Contribute to Building Taiwanese HSR in Record Time

Putzmeister Contribute to Building Taiwanese HSR in Record TimeA 345 km high speed railway is under construction in Taiwan between capital Taipeh and Kaohsiung in the south. Numerous Putzmeister ... More Information

Chancellor Schröder Inaugurates Germany's Longest Road Tunnel

Chancellor Schröder Inaugurates Germany's Longest Road TunnelChancellor Gerhard Schröder inaugurated on 5th July the nearly 8 km-long Rennsteig tunnel, Germany's longest road tunnel linking ... More Information

Mühlhäuser - world leader in transportation engineering

Mühlhäuser - world leader in transportation engineeringWesterschelde and Elbe highway tunnels; Athens, Singapore and Barcelona metros; Lesotho, New York and Isafahan water tunnels; ... 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