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Mühlhäuser launches customer-friendly website

Mühlhäuser launches customer-friendly websiteLong-time tunnelbuilder client Mühlhäuser has a new home page designed to provide information needed by customers in their project planning. Product ... More Information

NZ Transport Agency seeks registrants for Auckland job

NZ Transport Agency seeks registrants for Auckland jobRegistrations of interest are sought, at the latest by 21st July 2010, from suitably qualified and experienced consortia to deliver the design ... More Information

Book early for Hong Kong Tunnel Design & Construction conference!

Book early for Hong Kong Tunnel Design & Construction conference!Tunnel Design & Construction Northeast Asia takes place at Harbour Grand, Hong Kong 24-25 November, 2010. Register before 13 ... More Information

New video detection management system from Traficon

New video detection management system from TraficonTraficon Flux collects traffic data, alarms and video images generated by video detectors in tunnels and on the open road, providing an interface ... More Information

First section of Gautrain Rapid Rail Link opens for World Cup

First section of Gautrain Rapid Rail Link opens for World Cup The first section of the 160 km/h Gautrain Rapid Rail Link, between Sandton Station and the OR Tambo International Airport in ... More Information

New heavy duty rock drills from Atlas Copco

New heavy duty rock drills from Atlas CopcoAtlas Copco has launched three heavy duty versions of its popular 1800-series hydraulic rock drill intended for face drilling in tough underground mining ... More Information

Breakthrough at Sellero tunnel on SS 42 in Brescia

Breakthrough at Sellero tunnel on SS 42 in BresciaSellero tunnel broke through on 18.06.2010 as part of the refurbishment work on the SS 42 Tonale-Mendola for the completion of the ... More Information

Madrid-Barcelona-French border high-speed railway

Madrid-Barcelona-French border high-speed railwayOn 17.06.2010 the TBM Gerundi completed the first 480 m of the 3.6 km-long Girona section on the Madrid-Barcelona-French border high-speed railway. ... More Information

Largest Robbins TBM winning at Niagara

Largest Robbins TBM winning at NiagaraThe 14.4 m-diameter Robbins hardrock TBM is now two-thirds along the challenging alignment at Niagara, having broken a few records in between times. Contractor ... More Information

North American Tunneling show underway in Portland

North American Tunneling show underway in PortlandThe conference and exhibition organized by UCA of SME for Portland, Oregon started today at the Marriott Waterfront and will continue until ... More Information

Tunnel Design & Construction Europe

Tunnel Design & Construction EuropeThe Tunnel Design & Construction Europe conference to be held in Zurich, Switzerland 25th-28th October 2010 will bring together international industry ... More Information

Tunnel Design & Construction Europe

Tunnel Design & Construction EuropeInternational conference scheduled for Zurich, Switzerland 25-28th October 2010. Early birds can register by 25th June 2010 and get up to EUR465 off standard ... More Information

Hits and misses

Hits and missesTen years ago, when Internet advertising was in its infancy and mega-hits were the order of the day, we started to see a variation between hits and visits. In short, hits were running ... More Information

EN12101-3 certification for large Flakt Woods JM axial fans

EN12101-3 certification for large Flakt Woods JM axial fansFlakt Woods has achieved EN12101-3 certification for 400 degrees C for 2 hours (F400) on its range of large axial fans up to 2.8 m-diameter ... More Information

Meet Babendererde Engineers at NAT in Portland

Meet Babendererde Engineers at NAT in Portland Babendererde Engineers is an independent engineering company specializing in underground tunneling. Together with the sister company in ... More Information

Normet increases production capacity in Finland

Normet increases production capacity in FinlandNormet has extended and modernized its factory at Iisalmi, Finland, signalling its recovery from the recent economic downturn in mining and tunnelling ... More Information

Herrenknecht giant EPB for Italy

Herrenknecht giant EPB for ItalyThe largest TBM ever built, a 15.55 m-diameter Herrenknecht EPB, will be used on the extension of the A1 highway between Bologna and Florence in 2011. Read the press ... More Information

Success at Brightwater conveyance tunnel in Seattle, WA

Success at Brightwater conveyance tunnel in Seattle, WAThe JV JCT (Jay Dee Contractors/Frank Coluccio Construction/Taisei Corporation) has announced that their EPB TBM is stopped just short of the ... More Information

Cooling the Tube in London

Cooling the Tube in LondonFlakt Woods has been commissioned to produce a mix of bespoke ventilation products to help improve the airflow on station concourses and in tunnels on the London Tube. For ... More Information

See you at Intertunnel in Torino!

See you at Intertunnel in Torino!The tunnelbuilder team will be at Intertunnel in Torino, Italy on June 8-10 this week, so look out for us! We will be visiting our clients to ensure they are getting ... More Information

Swiss Tunnel Congress 2010

Swiss Tunnel Congress 2010 The Swiss Tunnel Society (STS) is hosting the Swiss Tunnel Congress in the Lucerne Culture and Convention Centre from June 9-11, 2010. With nearly 800 registrations, just ... More Information

Paiesco tunnel on SS337 in Val Vigezzo opens

Paiesco tunnel on SS337 in Val Vigezzo opens The new single-bore 1,431 m-long, 9% gradient Paiesco tunnel opened on ... More Information

Final launch at B1 metro in Rome

Final launch at B1 metro in Rome On 26.05.2010, the 9.8 m-diameter EPB launched on construction of the Conca d'Oro-Jonio section, a single tube tunnel for the B1 metro line in Rome. Preparatory ... More Information

Refurbishment plans for Swiss road tunnels

Refurbishment plans for Swiss road tunnelsIn 2008 a survey by ASTRA, the Federal Roads Office, revealed that 126 of the 220 national road tunnels in Switzerland are not fully compliant with the ... More Information

Curved microtunnel success in United States

Curved microtunnel success in United StatesOn 19.05.2010 contractor Northeast Remsco Construction completed the first planned curved microtunnel in the US at Hartford, CT as part of the USD1.6 ... More Information

Stop-go in US

Stop-go in USNewspapers in the US are reporting that the Seattle tunnel will take a year longer than expected, due to long lead times on TBM delivery. End-2016 now seems to be the likely completion ... More Information

First Expomatec for Madrid in 2011

First Expomatec for Madrid in 2011The first of a series of triennial business conferences and exhibitions is scheduled for Ifema, Madrid from 17-20 May, 2011. Organised by Ifema and Grupo TPI, ... More Information

Robbins EPB claims record at Chengdu

Robbins EPB claims record at ChengduA 6.26 m-diameter Robbins EPB has achieved daily rates of 24 m in the alluvium of Chengdu metro in China, setting a record amongst the 12 machines working on the ... More Information

Google newsfeed comes to tunnelbuilder

Google newsfeed comes to tunnelbuilderTo complement our daily updates dealing with contract news, bids and awards, we have introduced a Google newsfeed which culls the best of the daily newspaper ... More Information

Work starts on Perca by-pass in Tirol

Work starts on Perca by-pass in TirolGeological investigation for the new Perca bypass on SS 49 Val Pusteria started on 19.05.2010. The project, awarded to JV Ing Mario Valdemarin (Bressanone), ... More Information

News from Turin-Lyon AV railways

News from Turin-Lyon AV railwaysThe preliminary design for the new Lyon-Turin rail link, including environmental impact study and cost analysis, is scheduled for the end of June, 2010. Click here. ... More Information

Work starts on Merano bypass in Tyrol

Work starts on Merano bypass in TyrolWork started on 14.05.2010 on Lot 1 of Merano northwest bypass between Lagundo and FS station interchanges. The JV PAC Spa (Bz), Consorzio stabile costruttori ... More Information

Inauguration of SS125 Orientale Sarda

Inauguration of SS125 Orientale SardaOn 25.05.2010 Lot 1, section Terra Mala-CapoBoi of the new SS125 Orientale Sarda, km 5,985 to km 14,765 will be opened. The 8,780 m-long section includes four ... More Information

Kishanganga TBM handed over

Kishanganga TBM handed overOn 13.05.2010 Italian manufacturer SELI handed over a specially designed 400 t DSU TBM to main contractor Hindustan Construction Company (HCC) to bore the Kishanganga ... More Information

Tunnelling on Andora-San Lorenzo section of Genoa-Ventimiglia line

Tunnelling on Andora-San Lorenzo section of Genoa-Ventimiglia lineOn 07.05.2010 in tunnelling was completed at the 3,054 m-long Bardellini tunnel at Caramagna on the Ventimiglia side of the new ... More Information

Taiwan to upgrade coastal highway

Taiwan to upgrade coastal highwayTaiwan's Council for Economic Planning and Development has approved a EUR985 million plan to upgrade the Suhua Highway, linking Yilan County and Hualien City, also ... More Information

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Tunnelling News

Jacobs Has Design-CM Role on $640M Denmark Tunnel, With Ramboll as Key Consultant

Set to begin construction in 2028, Marselis Tunnel project is core component of the country's 10-year Infrastructure Plan 2035. By Emell D. Adolphus. More Information

Elon Musk's $760,000,000 plan to build underground tunnels beneath Houston, Texas

Elon Musk's next big construction plan from The Boring Company could build $760000 worth of tunnels beneath Houston to help with flooding... More Information

Kerala Moves Closer To Vizhinjam–Balaramapuram Tunnel Rail Project

The Kerala government is preparing to invite bids next month for the tunnel rail project linking Vizhinjam International Seaport with ... More Information

Norway's Ship Tunnel Project Under Threat as Costs Rise

New cost estimates suggest the ambitious project will far exceed its approved budget, raising questions about whether it will ever be built. More Information

Davao City Bypass southbound tunnel nears breakthrough

The Department of Public Works and Highways (DPWH) announced that the southbound tunnel of the Davao City Bypass Construction Project (DCBCP) is ... More Information

CA should pursue better alternatives to the costly Delta Tunnel Project Stocktonia

Governor Gavin Newsom is attempting to fast-track the construction of a massive, budget-busting water tunnel through the Delta to ship freshwater to ... More Information

Physical Origins of Shear Strength Fluctuations in Fault Gouges

Fault gouge is rock texture within fault zones that may include rock fragments (RF) and foliated structures. Previous studies have primarily focused on remould soils, the natural structure ... More Information

Webuild expands its role in high-speed rail projects

Four modern tunnel boring machines will be deployed to ensure precision and safety in complex geological conditions. Once completed, the old single- ... More Information

Hudson Tunnel Project advances as tunnel boring machines near completion

The Hudson Tunnel Project hit a key milestone as massive tunnel boring machines near completion, with delivery set for November. More Information

Nagdhunga tunnel in final stages of construction

If we look at the history of road construction and development in Nepal, there are various records of road construction starting from the Rana period. According to articles published in ... More Information

Boring of tunnel across Yellow River completed in China's Shandong

Constructed by using a "Shanhe" shield machine with a 17.5-meter excavation diameter, this double-deck, two-way, six-lane tunnel stands as the world's ... More Information

The £1.6bn plan for world's deepest underwater road tunnel leaving 'no room for error'

Opening of Rogfast tunnel under construction. The Rogfast tunnel will be the longest and deepest undersea road tunnel on Earth. (Image: SKANSA). A ... More Information

Tunnelling complete on NSW's Coffs Harbour bypass project

Tunnelling has been completed on the A$2.2bn (£1.1bn) Coffs Harbour bypass project in New South Wales, Australia, with the excavation of the third ... More Information

Veidekke acquires tunnel construction contract for Gothenburg's West Link Project

Veidekke has received a contract from the Swedish Transport Administration to build the Stora Hamnkanalen tunnel, a component of the West Link ... More Information

German Rail completes construction of Rastatt Tunnel

GERMAN Rail (DB) has completed civil works on the new 4270m twin-bore Rastatt Tunnel, a major component of the project to widen to four tracks the ... More Information

Final contracts signed for Eastern Freeway transformation

A huge amount of work is underway to build North East Link and upgrade the freeways – two tunnel boring machines are digging deep under Rosanna ... More Information

Progress on Sydney pipeline duplication

Bouygues Construction Australia and Rob Carr have launched a tunnel boring machine (TBM) on Sydney Water's Thornleigh pipeline duplication ... More Information

The latest plan to connect BART to downtown San Jose: One tunnel rather than two

When BART and Santa Clara Valley Transportation Authority first discussed plans to send trains rolling under downtown San Jose, transit officials contemplated a design with two tunnels ... More Information

Nashville Tesla tunnel: Here's when construction could start on the Music City Loop

Elon Musk's The Boring Company is currently in the design phase of constructing a tunnel connecting downtown Nashville to the Nashville ... More Information

World's longest underwater 'mega tunnel' to cost $46 billion but will halve 21-hour drive

Oddvar Kaarmo, the Rogfast project manager, cited additional motivation for the tunnel's construction: "The port at Mortavika is quite exposed and ... More Information

China's first vertical large model for tunnel, underground space sector released

The project which is in the Guangdong-Hong Kong-Macao Greater Bay Area. The model helps make tunnel construction safer, higher-quality, more efficient and ... More Information

BMC Begins Major Water Supply Upgrade Mumbai

The project commenced in 2023 and has adopted tunnel boring machine (TBM) technology to minimise surface disruptions in crowded neighbourhoods. Of ... More Information

Slurry tunnel boring machines to be deployed for Bengaluru Twin Tunnel Road Project

B-SMILE opts for slurry TBMs over hard rock TBMs for Twin Tunnel Road project in Bengaluru due to mixed terrain... More Information

Tunnel along railway linking Shenzhen and Shanwei special cooperation zone under construction

Technicians check a tunnel boring machine (TBM) at the construction site of a tunnel in Pingshan, Shenzhen City, south China's Guangdong Province, Aug ... More Information

Construction staging area approved for Nashville's airport tunnel project

The Music City Loop will be a 10 mile tunnel connecting downtown Nashville to the Nashville International Airport (BNA)... More Information

Zojila tunnel deadline pushed to 2028: Here's why Asia's longest tunnel project is delayed

Zojila Tunnel Latest Update: On completion, the project will not only play an important role in the country's infrastructure development but also ... More Information

W.A. Rasic Construction Awarded Major Subcontract on Dragados' $630M Effluent Outfall

The tunnel project is a critical component of Southern California's long-term infrastructure resilience strategy. The project directly supports the ... More Information

VDOT gives HRBT expansion update

Construction on the Hampton Roads Bridge-Tunnel Expansion Project hit key milestones as tunneling progresses and traffic shifts to new lanes. More Information

HS2 lifts third TBM following 3.4-mile journey

HS2 Ltd has lifted Tunnel Boring Machine Emily's 9.11-metre diameter cutterhead, front and middle shield, weighing 880 tonnes, from below the ... More Information

Musk's Boring Company unveils Music City Loop tunnel project for Nashville

The big picture: The project has an ambitious timeline of completing the 10-mile route in less than two years. The tunnel would move vehicles at warp ... More Information

Progress Update on East Dallas Tunnel Project to Address Flooding Problems

With so much rainfall throughout the metroplex, NBC 5 wanted an update on a project expected to mitigate flooding in East Dallas... More Information

KIB gets go-ahead for landmark Kuwait tunnel revamp project

On the key tunnel beautification project, Vice Chairman and CEO Raed Jawad Bukhamseen said: "This initiative reflects KIB's vision of supporting ... More Information

From hills to hope

As night falls over the northern highlands of Lesotho in early July, winter's chill sets in. Yet, the Polihali Transfer Tunnel construction site ... More Information

Tunnel boring machines reach Parramatta in major Metro West milestone

Tunnel boring machines have reached Parramatta, marking a major milestone in the construction of the Metro West project. More Information

Completion of hyperbaric excavated tunnel marks major milestone for Naples-Bari rail project

The construction of the Casalnuovo Tunnel, a critical and technically challenging segment of the high-speed railway line between Naples and Bari ... More Information

Multraship tugs support Antwerp Scheldt tunnel construction

Tugboats are supporting the construction of a motorway tunnel in the River Scheldt in Antwerp by towing and manoeuvring concrete structures and ... More Information

Europe's $45BN Mega Tunnels through the Alps

Discover the record-breaking network of tunnels being constructed beneath the Alps. This video explores the top 6 longest tunnels in the region, .. More Information

AFRY secures contract for Switzerland's Twann Tunnel project

Construction oversight of the Twann Tunnel in the country. The tunnel on the Lake of Bienne is intended to ease traffic congestion in Twann by ... More Information

Line 5 Tunnel Project: Public comments now open for proposal to build under Straits of Mackinac

"The purpose of the project is to facilitate the construction of a tunnel beneath Lake Michigan bottomlands to replace the Line 5 dual pipelines ... More Information