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Atlas Copco Gets SEK94 Million Order in Turkey

Atlas Copco Gets SEK94 Million Order in TurkeyAtlas Copco has received an order in Turkey to supply tunnelling equipment to the Cengiz-IC Ictas-Belen consortium, which is building a high speed ... More Information

Sandvik Bags Order for Hindhead Tunnel in the UK

Sandvik Bags Order for Hindhead Tunnel in the UKBalfour Beatty has appointed Sandvik Mining and Construction to supply the tunnelling jumbos for the 1.83 km Hindhead tunnel on the A3 in Surrey. The ... More Information

Caighei Tunnel Breaks Through on Genoa-Ventimiglia Rail Dualling

Caighei Tunnel Breaks Through on Genoa-Ventimiglia Rail DuallingWith a deep roar coming from inside the hill and a loud cracking of rock, the last diaphragm of rock obstructing the Caighei ... More Information

Maccaferri Acquires Elas Geotecnica

Maccaferri Acquires Elas GeotecnicaBologna-based Maccaferri, world leader in geotechnics and soil erosion control, announced the acquisition of Elas Geotecnica, based in Segrate near Milan. Thanks ... More Information

Boring the Diftah-Shis Tunnel through Hard Rock Mountains in UAE

Boring the Diftah-Shis Tunnel through Hard Rock Mountains in UAEAlthough just 11.5 km long, the proposed Diftah-Shis road and tunnel project, partially located in both Ras Al Khaimah (RAK) and ... More Information

Colle Urania Tunnel Breaks Through in Italy

Colle Urania Tunnel Breaks Through in ItalyOn 22nd November, 2007 the Colle Urania water tunnel broke through, as part of the enhancement of the Ruzzo del Gran Sasso aqueduct, on Teramo side ... More Information

Celebrating Saint Barbara at Tunnel Job Sites

Celebrating Saint Barbara at Tunnel Job SitesAccording to legend, Saint Barbara's father Dioscorus closed her up inside a high tower with only two windows, because she didn't want to marry the man ... More Information

Construction of DML Line Officially Starts in Zurich

Construction of DML Line Officially Starts in ZurichAfter nine years of planning, the Swiss Federal Railways (SBB) president Andreas Meyer and Zurich regional president Rita Fuhrer officially ... More Information

Second Perthus Breakthrough

Second Perthus BreakthroughTunnelling at the trans-Pyrenean Perthus tunnel on the Barcelona-Perpignan high speed link ended on 23rd November, 2007 close to Le Boulou in France, when TBM ... More Information

STUVA Prize 2007 Awarded to Betuwe Line

STUVA Prize 2007 Awarded to Betuwe LineThe yardstick for awarding this year's STUVA Prize '07 was once again set very high. The Dutch Betuwe line project was able to finish ahead of the field in ... More Information

Fire Suppression in Tunnels

Fire Suppression in TunnelsThe international tunnel safety conference organized by the International Water Mist Association (IWMA) with ITA's Committee on Operational Safety of Underground ... More Information

EU Grants Co-Financing to Priority Projects

EU Grants Co-Financing to Priority ProjectsThe European Commission has disclosed its proposals for funding the trans-European transport network (TEN-T) projects for the period 2007-2013. In its ... More Information

World Record for Hard Rock Shield TBM Advance at La Cabrera Tunnel

World Record for Hard Rock Shield TBM Advance at La Cabrera TunnelConstruction of the La Cabrera tunnel on the Siete Aguas-Buñol section of the high speed line Madrid-Castilla La ... More Information

Barrie Willis appointed Manager of IPS Tunnelling Department

Barrie Willis appointed Manager of IPS Tunnelling DepartmentInterocean Personnel Services (IPS) has appointed Barrie Willis to manage its tunnelling department, strengthening its international ... More Information

Germany Signs Financing Agreement to Build Maglev Line in Munich

Germany Signs Financing Agreement to Build Maglev Line in MunichBavaria, Germany's richest state, agreed on 25th September, 2007 to build the country's and Europe's first commercial high speed ... More Information

High Speed Rail Service Begins Operating from St Pancras in London

High Speed Rail Service Begins Operating from St Pancras in LondonFaster, more frequent, and more punctual high speed Eurostar trains between London and Brussels and Paris began operating on ... More Information

Talave-Cenajo Water Tunnel Breaks Through in Spain

Talave-Cenajo Water Tunnel Breaks Through in SpainConstruction of the tunnel that links the Talave and Cenajo reservoirs in Castilla La Mancha to improve the quality of water supplied to 2.5 million ... More Information

Great challenge for a Tunnel Fire Protected with Fire Barrier 135

Great challenge for a Tunnel Fire Protected with Fire Barrier 135In two weeks time, a fire resistance system has been installed over a frost-free drainage complex in the entrance of Maurice Lemaire ... More Information

Consultants Invited to Bid for Planning of Stuttgart 21 Project in Germany

Consultants Invited to Bid for Planning of Stuttgart 21 Project in GermanyStuttgart 21, the largest railway construction project in southwest Germany in many years, is going ahead. The first tenders ... More Information

Bekaert Obtains CE Marking for Dramix® Steel Fibres

Bekaert Obtains CE Marking for Dramix® Steel FibresBekaert conforms to European Standard and product requirements. To guarantee the quality and the strength of steel fibre-reinforced concrete in ... More Information

HI-FOG® Water Mist Fire Protection System for Tunnels

HI-FOG® Water Mist Fire Protection System for TunnelsMarioff's HI-FOG® water mist fire protection system has been fire-tested extensively for use in road tunnels, most recently in Norway ... More Information

Doubling the Pfänder Tunnel on the Trans-European Road Network

Doubling the Pfänder Tunnel on the Trans-European Road NetworkThe Pfänder tunnel is part of the main highway route A14 north of Bregenz in Vorarlberg in direction to Germany. Situated on the ... More Information

Breakthrough of Katzenberg Tunnel on Main North-South European Line

Breakthrough of Katzenberg Tunnel on Main North-South European LineEngineers celebrated the breakthrough on 30th October, 2007 of the twin Katzenberg rail tunnel on the Basel-Karlsruhe line ... More Information

Amsteg-Sedrun Section of Gotthard Base Tunnel Completed Nine Months Early

Amsteg-Sedrun Section of Gotthard Base Tunnel Completed Nine Months EarlyThe 17 km west section of the Gotthard base tunnel between Amsteg and Sedrun holed through on 17th October, 2007, with ... More Information

Reference Book about Underground Mining Methods in a New Edition

Reference Book about Underground Mining Methods in a New Edition Atlas Copco has for many decades had the ambition to provide the underground mining industry with interesting and educational ... More Information

Construction of Access Adits Underway on Lyon-Turin High Speed Line

Construction of Access Adits Underway on Lyon-Turin High Speed Line First envisaged in 1990 as a mere extension of the high speed passenger network between France and Italy, the ... More Information

Normet Goes Global

Normet Goes GlobalNormet, the Finnish manufacturer of mining equipment, is reorganizing its structure in order tobecome a truly global player in the underground market. The establishment of a new ... More Information

STUVA Conference 2007 in Cologne

STUVA Conference 2007 in CologneThe economic boom in Germany and Europe also is having a positive impact on tunnel construction. According to statistics gathered in the last few years, the ... More Information

British PM Gordon Brown Gives Go-Ahead to Crossrail

British PM Gordon Brown Gives Go-Ahead to CrossrailA project to build a GBP16 billion railway across central London was finally approved on 5th October, 2007 by British Prime minister Gordon ... More Information

Robbins Hybrid EPB TBM for Kavacik-Beykoz Wastewater Tunnels in Istanbul

Robbins Hybrid EPB TBM for Kavacik-Beykoz Wastewater Tunnels in IstanbulA 3.1 m-diameter Robbins hybrid EPB TBM in Istanbul can bore in two very different situations. The versatile machine can ... More Information

First Breakthrough on Perthus High Speed Rail Tunnel

First Breakthrough on Perthus High Speed Rail TunnelThe first, west Perthus tunnel, a major engineering project on the 44.4 km Perpignan-Figueras high speed link between France and Spain, has been ... More Information

Peter Stauffer - the face of CAT for the tunnelling industry

Peter Stauffer - the face of CAT for the tunnelling industryIn a relatively short time we at tunnelbuilder ltd came to know Peter as a great friend as well as a valued colleague. He first came ... More Information

Construction of Diabolo Project in Belgium to Start Soon

Construction of Diabolo Project in Belgium to Start SoonDiabolo, the northern connection with the Brussels-Mechelen-Antwerp route, is a next step in improving Brussels airport's accessibility by ... More Information

Monte d'Oro Tunnel Breaks Through on Road Link Between Italy and Slovenia

Monte d'Oro Tunnel Breaks Through on Road Link Between Italy and SloveniaConstruction of the motorway link between Lacotisce, in Trieste province, and the Rabuiese Pass between Italia and Slovenia ... More Information

New Low Profile Team from Atlas Copco

New Low Profile Team from Atlas CopcoThe Scooptram ST1030LP and the Minetruck MT436LP are two new vehicles designed to optimize the economic, mechanized extraction of ore in low seam ... More Information

Spain Invites Tunnelbuilder Readers to International Congress and Exhibition

Spain Invites Tunnelbuilder Readers to International Congress and ExhibitionThe Spanish Tunnelling Association (AETOS) organises an international tunnelling congress and technical exhibition in ... 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