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Luxembourg Builds Grouft Tunnel

Luxembourg Builds Grouft TunnelWith a population of 465,000 and an area of 2,586 sq km, the Grand Duchy of Luxembourg is a tiny country landlocked by Belgium, France and Germany. It is among the ... More Information

Hitachi TBM Completes Providence CSO Main Spine Tunnel

Hitachi TBM Completes Providence CSO Main Spine TunnelOn 1st December, 2005 an Hitachi single shield TBM reached its final destination at the bottom of a termination shaft 80 metres below the ... More Information

Lovat Appoints New Managers for Australia, New Zealand and South Pacific Region

Lovat Appoints New Managers for Australia, New Zealand and South Pacific RegionLovat has expanded its expertise to include local support in Australia, New Zealand and the South Pacific, by ... More Information

Drivers Do Not Know How to Face Risks in Tunnels

Drivers Do Not Know How to Face Risks in TunnelsA study entitled "Experimental psychological results from driving in tunnels - Contributions to road safety", elaborated by Segtúnel, a team from the ... More Information

Press Releases at tunnelbuilder.com

Press Releases at tunnelbuilder.comIf you are an established advertiser with tunnelbuilder, we invite you to submit your 2006 press releases to us for publication. This will bring news about your ... More Information

MEI - World Leader in Mining Equipment Supply

MEI - World Leader in Mining Equipment SupplyMining Equipment Inc, based in Durango, CO, US has built a strong legacy over the last quarter century in the supply of a huge variety of quality ... More Information

Second Stage of Izmir Light Rail Under Construction

Second Stage of Izmir Light Rail Under ConstructionThe second stage of the Izmir light rail system in Turkey is under construction by the Rail Systems Directorate of the Izmir Metropolitan ... More Information

End of Tunnelling on Apennine Section of Bologna-Florence High Speed Link

End of Tunnelling on Apennine Section of Bologna-Florence High Speed LinkThe breakthrough of the Vaglia tunnel on 21st October, 2005 marks the end of tunnelling on the Apennine section between ... More Information

Andorra Builds Dos Valires Tunnel

Andorra Builds Dos Valires TunnelThe Principality of Andorra is in southwest Europe on the Mediterranean slope of the eastern Pyrenees between France and Spain. It is a small country, maybe 35 or 40 ... More Information

Hsinchuang Line in Taiwan Marks Breakthrough of 10 km Tunnel

Hsinchuang Line in Taiwan Marks Breakthrough of 10 km TunnelA celebration was held on 19th November, 2005 to mark the breakthrough of a 10 km tunnel on Taipei mass rapid transit system's Hsinchuang ... More Information

COP 3038 Rock Drills Shape Norwegian Hydro

COP 3038 Rock Drills Shape Norwegian HydroBirkeland Entreprenørforretning is in joint venture with Spilde Entreprenør to build the first phase of the 41.8 GWh Kløvtveit project in Hordaland, ... More Information

Atlanta Builds West Area CSO Tunnels

Atlanta Builds West Area CSO Tunnels The West Area CSO tunnel in Atlanta will collect, convey and store up to 567.8 million litres of combined sewer overflow from the Clear Creek, Tanyard and North ... More Information

Two Lovat TBMs for Lower Lea Valley Cable Tunnel in London

Two Lovat TBMs for Lower Lea Valley Cable Tunnel in LondonAt the Underground Construction 2005 conference and exhibition held 26th-27th October, 2005 in London, J Murphy & Sons signed a contract ... More Information

Eagle's Nest Tunnel Breaks Through

Eagle's Nest Tunnel Breaks ThroughThe construction of Route 8 in Hong Kong has reached a significant milestone with the breakthrough on 19th October, 2005 of the Eagle's Nest tunnel. The tunnel ... More Information

Rushing to Meet the 2006 Winter Olympics Deadline in Turin

Rushing to Meet the 2006 Winter Olympics Deadline in TurinThe 1,055 m Craviale tunnel and the 664 m Turina tunnel along state road SS 23, 50 km northwest of Turin, Italy are currently being ... More Information

Deep Tunnel Sewerage System Wins Engineering Awards

Deep Tunnel Sewerage System Wins Engineering AwardsSingapore's Deep Tunnel Sewerage System (DTSS) has won this year's Prestigious Engineering Achievement Award handed out by the Institution of ... More Information

NFM Technologies Appoints New Manager

NFM Technologies Appoints New ManagerNFM Technologies has just boosted its service activities with the arrival of Philippe Patret, who occupies the position of external services manager. A 48 ... More Information

Major Road Works in Trieste

Major Road Works in TriesteThe so-called second stretch of the third lot on Trieste's road network, northeast Italy is a new 5.5 km road alignment that connects the section of Trieste's major ... More Information

Fae Exploratory Tunnel

Fae Exploratory TunnelWork is under way to build the 2,215 m-long Fae exploratory tunnel, which forms part of the widening and improvement of road SS 43 in Non Valley between Mostizzolo and Cles, in ... More Information

New COP 1132 Rock Drill from Atlas Copco

New COP 1132 Rock Drill from Atlas CopcoAtlas Copco's new COP 1132 rock drill represents the latest trend in high speed technology in small class equipment offering users 30% more speed than its ... More Information

Start of the End for Hallandsas Tunnel

Start of the End for Hallandsas TunnelWith the safety of their miners a top priority the Skanska Vinci joint venture has ordered a CE certified rescue chamber from MineArc Systems of Australia for ... More Information

New Section Andora-San Lorenzo al Mare on Genoa-Ventimiglia Line

New Section Andora-San Lorenzo al Mare on Genoa-Ventimiglia LineThe Andora-San Lorenzo al Mare section on the Genoa-Ventimiglia railroad in Liguria, Italy will be built in the hills and moved away ... More Information

Conference

Conference "Instruments and Solutions to Guarantee Safety in Tunnels"The objective of this conference, which will take place in Milan on 16th and 17th November, 2005 is to illustrate what are the ... More Information

Strabag to Use Robbins TBM for Niagara Falls Project

Strabag to Use Robbins TBM for Niagara Falls ProjectOntario Power Generation's third Niagara Falls tunnel project involves boring a CAD985 million, 10.4 km tunnel at a depth of up to 140 metres ... More Information

Bookmark Stuva Tagung '05

Bookmark Stuva Tagung '05Germany's STUVA organises its conference and exhibition STUVA Tagung '05, on 29th-30th November and 1st December in Leipzig congress centre. The event combines an ... More Information

Two Other TBMs Start in Pajares

Two Other TBMs Start in PajaresIn mid-September 2005 the second of the five TBMs started its job at the Pajares tunnels, which form part of the Leon-Asturias high speed line. This is a NFM ... More Information

Lovat Selected for RAV Line by SNC-Lavalin and SELI

Lovat Selected for RAV Line by SNC-Lavalin and SELILovat has been selected by the SNC-Lavalin - SELI JV to supply a soft rock Earth Pressure Balance TBM, that will be used to bore 2.1 km twin ... More Information

Mitsubishi-Duro Felguera Readies Giant TBM for M-30 in Madrid

Mitsubishi-Duro Felguera Readies Giant TBM for M-30 in MadridIt is a giant machine which features a 15,010 mm nominal diameter and a 15,045 mm maximum diameter, a 14 m-long 3,600-tonne EPB shield, a ... More Information

Fourth Conference on Tunnels

Fourth Conference on TunnelsSpain's Technical Road Association organises on 26th, 27th and 28th October in Andorra the 4th conference on tunnels, under the theme "Why are tunnels safe?". The ... More Information

Wirth Tunnel Bore Extender at Uetliberg Receives Award

Wirth Tunnel Bore Extender at Uetliberg Receives AwardWirth has been chosen as the winner of this year's TTC Award for Innovation in the Large Bore Mechanised TunnelIing Machine sector. Mr Niko ... More Information

Bolu Tunnel Breaks Through in Turkey

Bolu Tunnel Breaks Through in TurkeyTurkish Prime Minister Recep Tayyip Erdogan and Italian Ambassador to Turkey Carlo Marsili presided on 4th September, 2005 the breakthrough ceremony of the right ... More Information

Fire Protection in Tunnels

Fire Protection in TunnelsVdS Schadenverhütung organises on 19th-20th October in Cologne, Germany conferences on fire protection in tunnels. The fire in the Frejus tunnel in the Alps last 4th June ... More Information

See You at IUT' 08 Live Fair

See You at IUT' 08 Live FairThe IUT' 05 Live Fair held on 14th-16th September in Switzerland has been one of the most special and popular tunnelling events this year. It is always received with ... More Information

Herrenknecht Breakthrough on Circle Line Stage 3 in Singapore

Herrenknecht Breakthrough on Circle Line Stage 3 in SingaporeOn 25th August, 2005, a Herrenknecht TBM brought down an 80 cm-thick retaining wall, into the tunnel at Lorong Chuan station on Stage 3 ... More Information

Highest Road Tunnel?

Highest Road Tunnel?The Eisenhower Tunnel is claimed to be the highest vehicular tunnel in the US, and maybe the world, at an altitude of 11,158 ft (3,403 m) on I-70 in Colorado. Construction on the ... More Information

Seven Years of Research Data - Free to Readers!

Seven Years of Research Data - Free to Readers!The tunnelbuilder archive has now been cataloguing bids and awards for seven years - some 4,000 reports, all of which can be retrieved instantaneously ... More Information

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Tunnelling News

New game-changing tunnel boring, reef cutting 'meeting and beating' all expectations

UG2 reef at Bokoni is the target of the twin mobile tunnel boring and narrow reef cutter. Tunnelling will be done with the mobile tunnel borer for ... More Information

Mota-Engil CEO confirms winning bid for Santos-Guaruja tunnel

The company's subsidiary, Mota-Engil, has won the tender for the construction and operation of Brazil's first underwater tunnel, connecting the ... More Information

Metro Vancouver Utility Nearing Finish of $288M Annacis Water Tunnel

“Resilience is at the heart of this project,” said Nedim Alca, COWI's North America market director. “What makes this milestone so significant is not ... More Information

Fehmarnbelt: Danish tunnel portal nears completion

The work on the entrance to the Fehmarnbelt tunnel at Rødbyhavn on Lolland is almost complete. photo courtesy of The Fehmarnbelt Project. More Information

Final decision on airport tunnel 'now or never'

Alderman Jim Stevenson and City administrators are making a dramatic last push for the airport tunnel before construction on the new north/south ... More Information

Athens Metro Line 4 works to finish by 2029

The construction of Athens Metro Line 4 is progressing steadily, with the entire project ... Tunnel mistakenly excavated in Athens metro project. More Information

First trains on track to run through Metro Tunnel within three months

Melbourne's $15.5 billion Metro Tunnel could be switched on in as little as three months as construction wraps up at two CBD stations and trains ... More Information

Petersburg crews to begin tunnel project in response to ongoing flooding, damage - WRIC

As ongoing water issues have caused significant damage to infrastructure around Petersburg, the Old Towne neighborhood ... More Information

Intelligent optimization framework for tunnel construction

Tunnel construction forms the foundation of railway development and is essential for ensuring route continuity and operational efficiency. However, ... More Information

São Paulo positions TBM for next phase of Line 2-Green

A major milestone was reached on Monday (1 September) with the lowering of the cutter head of the tunnel boring machine (TBM) Cora Coralina... More Information

The 700-ton machine that'll dig NYC's Second Avenue subway extension

NYC has a new tunnel boring machine in its toolbox for the expansion of the line under 2nd ave. If you've never seen some BIG earth moving machines, ... More Information

Light at the end of the tunnel showing for Mount Washington transit project

The project is expected to be completed in October. New tracks finally emerge from the Mount Washington Transit Tunnel as a part of Pittsburgh ... More Information

Davao City Bypass South Tunnel hits breakthrough towards improved connectivity

The Construction Project with the ceremonial breakthrough of the southbound tunnel, marking the complete excavation from opposite ends of the ... More Information

Which companies are bidding for the US$2.3bn highway and tunnel contracts in Brazil?

The project in Brazil, as it will be the country's first underwater tunnel,” the person added. The project involves construction of a 1.5km tunnel ... More Information

US Northeast Rail Corridor Gets a Major Makeover with Tunnel and Bridge Replacements

This project is designed to replace tunnels severely damaged by Superstorm Sandy, ensuring smoother and more reliable service for Amtrak, NJ Transit, ... More Information

DPWH, JICA celebrate breakthrough of Southbound Tunnel in Davao Bypass

The event marked the successful connection of the tunnel's north and south ends. The ... More Information

Jacobs joins Ramboll on Marselis road tunnel project in Denmark

Danish Road Directorate senior project manager Michael Schmidt Vosgerau said: “It is a complex task to build a tunnel on one of the busiest access ... More Information

Planning continues for Midway Tunnel, Safe Streets for All projects

The Midway Tunnel project is a $13.4 million plan ... construction of a new overpass bridge and pedestrian and bicycle walkway above the tunnel. More Information

Four million tons of clay moved in HS2 excavation

Construction on HS2's second-longest tunnel started in October 2022. The rotating cutters cut away clay and other material at a rate of about 50ft ... More Information

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