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Adtracker shows the way to success

Adtracker shows the way to successA year ago, tunnelbuilder adtracker was introduced to help fulfil our promise of maximum response for minimum cost throughout the recession. Our tunnelbuilder.com ... More Information

Finnfast crossing opens

Finnfast crossing opensOn the 30.10.2009 the 8,372 m-long Finnfast crossing project on national road Rv 519 in south western Norway was opened to traffic. It consists primarily of a 5,685 m-long ... More Information

Robbins EPB for Chengdu Metro

Robbins EPB for Chengdu MetroThe 11 million inhabitants of Chengdu, China will soon have a reduced commuting time thanks to an extensive new metro system. Chengdu Metro will have five lines ... More Information

Kjøsnesfjorden bypass opens

Kjøsnesfjorden bypass opensOn 02.11.2009 the 3,250 m Kjøsnesfjorden bypass on RV5 between Hammarsgrovi and Stølsneset in Sogn og Fjordane region in Norway was opened, including the Støylsnes ... More Information

tunnelbuilder.com now in nine languages

tunnelbuilder.com now in nine languagesThe latest version of Google translator is sufficiently technically accurate for us to be able to add six languages to our tunnelbuilder.com output. German, ... More Information

Cranes for operation in hazardous areas

Cranes for operation in hazardous areasBritish company J D Neuhaus manufactures air-operated cranes for use in hazardous areas as standard. These include options for increased spark protection and ... More Information

Sustainable solutions from Herrenknecht

Sustainable solutions from HerrenknechtHerrenknecht is presenting examples of innovative high-performance tunnelling technology on the German-Chinese Esplanade in Wuhan. Seven TBMs from the company ... More Information

Marche-Umbria quadrilateral scheme underway

Marche-Umbria quadrilateral scheme underwayOn 30.10.2009, Quadrilatero Marche-Umbria SpA approved the Foligno-Pontelatrave section of SS 77, which comprises 17.5 km of roadway in Umbria to ... More Information

Breakthrough in Sharjah

Breakthrough in SharjahThe twin 1.2 km-long Difah-Shis road tunnels are nearing completion, with the eastbound tube breaking through on 01.10.2009 and the second tube due to hole out in ... More Information

Normet reforms in Canada

Normet reforms in CanadaThe incorporation of Normet Canada Ltd increases to fifteen the number of countries in which Normet has a permanent presence. The new Canadian company will provide the ... More Information

Good progress on the Vitoria-Bilbao-San Sebastian high speed link

Good progress on the Vitoria-Bilbao-San Sebastian high speed linkConstruction of the 5.5 km-long Eskoriatza-Aramaio section on the Vitoria-Bilbao-San Sebastian high-speed railway, of which 3.5 km is ... More Information

Fire Protection and Safety in Tunnels

Fire Protection and Safety in TunnelsThe first Fire Protection and Safety in Tunnels conference is being held in Paris 17-18 November, 2009. The programme is designed to help attendees comply with ... More Information

O Curro tunnel excavation ended

O Curro tunnel excavation endedThe 110 sq m twin-track O Curro tunnel, at 840 m, is the longest of the eight planned tunnels on the 13.2 km Silleda (Dornelas) to Vedra-Boqueixón section of the ... More Information

Live Bids at tunnelbuilder.com!

Live Bids at tunnelbuilder.com!Live Bids is a new service provided by tunnelbuilder for readers whose interest lies in bids rather than awards or news. By clicking on the Live Bids box in the ... More Information

China - Beijing Metro Line 4 opens

China - Beijing Metro Line 4 opensBeijing metro Line 4 started trial operation on 28.09.2009. The 29 km underground line runs from Gongyixiqiao on the South Fourth Ring Road at Fengtai District, via ... More Information

Sandvik signs global agreement with BASF for MEYCO Equipment

Sandvik signs global agreement with BASF for MEYCO Equipment Sandvik Mining and Construction and BASF's unit MEYCO Equipment have signed an agreement on a global cooperation in the field of ... More Information

CAT excavator with tunnel boom boosts productivity

CAT excavator with tunnel boom boosts productivityA CAT 328D LCR compact radius excavator, the first of its type to operate in Switzerland, is at work on the A9 Autoroute project near Visp. With a ... More Information

DSI consolidates global business activities

DSI consolidates global business activitiesDYWIDAG-Systems International (DSI) is a global network of wholly-owned subsidiaries and associated companies with a key focus on developing, manufacturing ... More Information

Sandvik inaugurates largest production facility

Sandvik inaugurates largest production facility The latest and largest Sandvik production facility is located in China's Shanghai Jiading Industrial Zone, and has the capacity to manufacture most of ... More Information

American Chemical Technologies, Inc

American Chemical Technologies, IncMichigan-based American Chemical Technologies (ACT) produces a range of fire resistant and readily biodegradable hydraulic fluids formulated for use in high ... More Information

Final DTL2 civil works awards in Singapore

Final DTL2 civil works awards in SingaporeThe 40 km-long Downtown Line DTL, which is fully underground, is being built in three stages. DTL1 is targeted for completion in 2013, DTL2 in 2015, and ... More Information

NFM Technologies TBM sets record at Los Pontones

NFM Technologies TBM sets record at Los PontonesOn 24.09.2009, the 9.9 m-diameter NFM Technologies TBM completed excavation of the east tube of Los Pontones rail tunnel (5,939 m) on the 6.1 km-long ... More Information

Gotthard base tunnel excavation nearly complete

Gotthard base tunnel excavation nearly completeOf the 151.8 km of the tunnel system under the Gotthard, a total of around 137 km, or almost 91%, has now been excavated. Less than 5 km of the 57 km ... More Information

NFM Technologies EPB for Cairo Metro

NFM Technologies EPB for Cairo MetroThe second phase of the Cairo Metro Line 3, launched in parallel with the construction of the first phase, includes separate packages covering civil, ... More Information

Ampcontrol leads in electrics and electronics

Ampcontrol leads in electrics and electronicsEstablished in 1968, Ampcontrol is one of Australia's leading international suppliers of electrical and electronic products to the power and mining ... More Information

China completes Dali-Lijiang railway in Yunnan

China completes Dali-Lijiang railway in YunnanThe EUR458 million Dali-Lijiang single-track railway line opened to traffic on 28.09.2009 in southwest China's Yunnan Province. The 162.4 km-long track, ... More Information

Lovat EPBs for Toronto-York Spadina Subway Extension

Lovat EPBs for Toronto-York Spadina Subway Extension Four Lovat 6.12 m diameter RME241SE EPBs will be utilized in the construction of the 8.6 km-long Toronto-York Spadina Subway Extension, located ... More Information

SELI signs second contract with ILCI in Turkey

SELI signs second contract with ILCI in TurkeySELI has signed a new EUR15 million contract with Turkish commissioner ILCI INSAAT SANAYI VE TICARET A.S. for construction of a 17 km-long water tunnel ... More Information

Brisbane Northern Link design progress

Brisbane Northern Link design progressThe authorities in the Australian city of Brisbane will rely on loans to finance the EUR1 billion, 4.7 km-long Northern Link tunnel project under design by SKM ... More Information

InnoTek solutions for underground

InnoTek solutions for undergroundInnoTek Srl was at the recent WTC 2009 conference to present a new series of products and solutions for underground works. Five product families have been developed ... More Information

Balfour Beatty to acquire Parsons Brinckerhoff

Balfour Beatty to acquire Parsons BrinckerhoffNew York City-based engineering consultancy Parsons Brinckerhoff is recommending shareholder approval of its acquisition by London-based infrastructure ... More Information

Herrenknecht giants cross Yangtze river

Herrenknecht giants cross Yangtze riverA pair of 14.93 m-diameter Herrenknecht Mixshield TBMs have each successfully completed 3 km of tunnelling beneath the Yangtze river at Nanjing in Jiangsu, ... More Information

New section of Sofia metro Line 1 opens

New section of Sofia metro Line 1 opensThe 2 km section Serdika - Vasil Levski National Stadium of Sofia metro Line 1 opened on 08.09.2009, connecting the region's eastern and western boroughs and ... More Information

Traficon PR

Traficon PRTraficon of Belgium has 25 years field experience in video image processing for traffic analysis, with more than 60,000 video detection sensors operational worldwide. The company has been ... More Information

Dubai Metro - longest automated driverless train system

Dubai Metro - longest automated driverless train systemA section of Dubai Metro Red Line with 10 stations opened to the public on 10th September, 2009. Although the original planned opening date was ... More Information

Sri Lanka's Uma Oya launches forty years on

Sri Lanka's Uma Oya launches forty years onThe Uma Oya project to bring water and electricity to 500,000 parched Sri Lankans was first planned as part of the 1968 Mahaweli project, which was ... More Information

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Tunnelling News

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

ECRL Breakthrough: Genting Tunnel Becomes SEA's Longest Rail Tunnel

Genting Tunnel's construction used both Tunnel Boring Machines (TBM) and traditional drill-and-blast methods. The TBMs, built in China and ... More Information

Sydney tunnel factory creates 700 manufacturing jobs

The factory will support two of the largest tunnel boring machines (TBMs) in the Southern Hemisphere, set to arrive later this year. Once ... More Information