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Brenner Base Aica-Mules pilot bore breaks through

Brenner Base Aica-Mules pilot bore breaks throughOn 03.11.2010, a 6.3 m-diameter double shield TBM completed excavation of the 10.5 km-long exploratory tunnel between Aica and Mules as part of the ... More Information

EU funding reduction for Turin-Lyon line

EU funding reduction for Turin-Lyon lineOn 27.10.2010 the European Commission published its mid-term review of 92 priority Trans-European Networks infrastructure projects, co-financed by the ... More Information

Garibaldi-San Siro section of Milan M5 metro underway

Garibaldi-San Siro section of Milan M5 metro underway Work starts on 14.11.2010 in Milan on the 6.7 km-long Garibaldi-San Siro section of the M5 metro line including 10 stations: Monumentale, ... More Information

ES Rubber Industries seeks more representation

ES Rubber Industries seeks more representation ES Rubber offers the tunnelling industry tailor-made gasket solutions adjusted to specific projects. Together with Dr Werner Grabe with more than 20 ... More Information

Atkins acquires Gimsing & Madsen

Atkins acquires Gimsing & MadsenTo boost Atkins' capability in bridge and tunnel design in Scandinavia, the group has acquired independent specialist consultancy Gimsing & Madsen. Atkins is ... More Information

Key executive appointment at Normet

Key executive appointment at NormetNormet Group now employs 540 professionals worldwide to sustain its EUR90 million turnover. The company develops, manufactures and markets underground equipment ... More Information

Sochi tunnel holes through

Sochi tunnel holes through On 12.10.2010, the top heading of the single-track 441 m Krasnaya Polyana tunnel no 4 holed through at km 37 of the Adler-Alpika Servis combined railway and motorway that ... More Information

tunnelbuilder.com - first news source for the tunnelling industry

tunnelbuilder.com - first news source for the tunnelling industryOnly one tunnelling website on earth updates every day of the week, including weekends! Whenever there is important news for our ... More Information

Veteran Robbins goes back to work in Faroe Islands

Veteran Robbins goes back to work in Faroe IslandsIn an era when the retirement age does nothing but increase, a 26 year-old Robbins main beam TBM keeps on proving the point. The 3.35 m-diameter ... More Information

Large tunnels rig from Atlas Copco

Large tunnels rig from Atlas CopcoThe Boomer XL3 D has been developed by Atlas Copco with a traditional direct control system, placing great emphasis on the interaction between operator and machine. ... More Information

Aker Wirth roadheader success in Brisbane

Aker Wirth roadheader success in BrisbaneFour Aker Wirth T3.20 heavy-duty roadheaders are at work on different sections of the Airport Link tunnel project in Brisbane, Australia. The machines weigh ... More Information

Robbins EPBs at Zhengzhou Metro

Robbins EPBs at Zhengzhou MetroA pair of Robbins 6.3 m-diameter EPBs will excavate parallel Zhengzhou Metro Line 1 tunnels for 3.6 km at shallow depths through four downtown stations between Kaixuan ... More Information

Scooptrams get ground engaging bucket

Scooptrams get ground engaging bucketAtlas Copco has announced its new GIII bucket for Scooptrams that will save loading time and reduce fuel consumption. When equipped with ground engaging tools, ... More Information

Piazzale Bologna Stretch of Rome B1 metro completed

Piazzale Bologna Stretch of Rome B1 metro completed The contract for the new metro B1 line was awarded to the JV Salini Costruttori - Tecnimont by the client, Roma Metropolitane. The JV awarded SELI ... More Information

Herrenknecht triumph at Gotthard

Herrenknecht triumph at GotthardThe breakthrough of the eastern tube at the Gotthard Base Tunnel on 15.10.2010 not only completed a final link in the world's longest rail tunnel, but also signed up ... More Information

Vital BASF and MEYCO contributions at Gotthard

Vital BASF and MEYCO contributions at GotthardAt the Gotthard base tunnel, which holed out on 15.10.2010 as the world's longest rail tunnel, BASF supplied concrete admixtures for around 20 km of the ... More Information

Ross Dimmock joins TAM-Normet

Ross Dimmock joins TAM-NormetInternationally-recognized as an expert on sprayed concrete tunnelling design, Ross Dimmock has taken up an appointment as regional director of TAM International group. ... More Information

Gotthard breaks through as longest rail tunnel

Gotthard breaks through as longest rail tunnelThe 57 km-long Gotthard base tunnel, first suggested in 1947 by Basel engineer Carl Eduard Gruner, broke through at 14.20 local time on 15.10.2010. It ... More Information

Tunnel Design and Construction

Tunnel Design and ConstructionThe northeast Asia presentation of this popular international event takes place in Hong Kong 24/25 November, 2010. Focus is on best practice strategies for cost ... More Information

Deepest rescue shaft ever drilled

Deepest rescue shaft ever drilledAfter 33 days drilling, on 09.10.2010, a Schramm T130XD (Layne Christensen www.laynechristensen.com/Boyles Bros Geotec www.geotec.cl, US/Chile) top head rig ... More Information

Expomatec 2011 for Madrid

Expomatec 2011 for MadridExpomatec is designed as a meeting point for supply and demand within the civil works, mining machinery and infrastructure sectors, focussing on boosting exhibitor ... More Information

PPS guidance system for Limmern

PPS guidance system for LimmernThe 8.03 m-diameter, 24% gradient Limmern access tunnel at Tierfehd in the Swiss canton of Glarus poses a challenge for both the Aker Wirth TBM and its PPS guidance ... More Information

Suruc water tunnel starts in Turkey

Suruc water tunnel starts in TurkeyThis month the 7.83 m-diameter SELI TBM Double Shield will start excavation of the 17.2 km Suruc water tunnel in Southern Turkey. Tunnel elevation is at an ... More Information

Big 5 PMV exhibition in Dubai

Big 5 PMV exhibition in DubaiThe fourth edition of the Big 5 PMV construction machinery show takes place in Dubai from November 22-25, 2010. For the first time, visitors will be able to travel to ... More Information

Oshlid road tunnel opens to Iceland traffic

Oshlid road tunnel opens to Iceland trafficThe 5,435 m-long single-tube, two-lane Oshlid (or Bolungarvikur) tunnel opened to traffic on 25.10.2010. Original plans were to place the tunnel nearer the ... More Information

Srisailam project hits the brakes

Srisailam project hits the brakesIndia's three-decades-old Srisailam Left Bank Canal project SLBC, previously known as the AMR project, has stalled due to reported non-payment of contractors. The ... More Information

Marketing agent required for North America

Marketing agent required for North AmericaEin Shemer Rubber Industries is seeking a representative for marketing rubber sealing gaskets to the North American tunnel construction industry. For ... More Information

Progress at Hallandsas rail tunnel

Progress at Hallandsas rail tunnelSeventeen years since the first abortive start on the 8.6 km-long Hallandsas rail tunnel the first tube between Forslov in the south and Bastad in the north finally ... More Information

New small Boomer from Atlas Copco

New small Boomer from Atlas CopcoAtlas Copco has launched the Boomer T1 D for narrow tunnels and mines. The machine has a Tier 3 diesel engine and an impressive array of features including improved ... More Information

Austrian Tunnelday

Austrian Tunnelday October 6-9 next week sees the 59th Geomechanics Colloquy in Salzburg, Austria, which features the annual Austrian Tunnelday. A major topic will be NATM: its design, contract ... More Information

Line 3 for Bilbao metro

Line 3 for Bilbao metroCurrently Bilbao Metro has 40.61 km of rail tracks, with 38 stations of which 22 are underground. Line 1 and Line 2 serve the city centre and the Greater Bilbao area. The new ... More Information

Southern section of Prague ring motorway opens

Southern section of Prague ring motorway opens On 20.09.2010 the Road and Motorway Directorate of the Czech Republic (RSD) opened the 23 km-long southern part of the Prague ring road. The section ... More Information

Bilbao Metro Line 3 Txurdinaga-Casco Viejo alignment

Bilbao Metro Line 3 Txurdinaga-Casco Viejo alignmentFrom the beginning of the stretch (km 3+400 to km.4+350) the design consists of a double-track tunnel 950 m long of 58 m2 in cross section. In the ... More Information

Line 3 for Bilbao metro

Line 3 for Bilbao metro The Txurdinaga-Casco Vejo section of Bilbao metro Line 3 More Information

Four tenders closing this week

Four tenders closing this weekAt this time of year, when tenders are thin on the ground as the system recovers from the northern hemisphere holiday season, every little counts. Our Live Bids section ... More Information

Innotrans 2010 opens in Berlin

Innotrans 2010 opens in BerlinToday sees the opening of the largest rail transport technology show to be held in Berlin. Innotrans 2010 features 2,242 exhibitors from 45 countries, and takes up the ... 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