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Zogno bypass start in Lombardy

Zogno bypass start in Lombardy Construction of Zogno bypass along the ex SS 470 in Bergamo province of Italy commenced in early-July. The new single carriageway road will be 4.3 km-long and will ... More Information

El Muron tunnel excavation complete

El Muron tunnel excavation completeBreakthrough of the 1,730 m El Muron tunnel on the 3.5 km Aspe-El Carrus section on the high-speed line to the east coast in Spain's Alicante province was achieved ... More Information

Galdakao tunnel excavation underway

Galdakao tunnel excavation underwayExcavation of the 1,830 m Galdakao tunnel on the 5.4 km section Lemoa-Galdakao of Vitoria/Gasteiz-Bilbao-Donostia/San Sebastian high-speed railway along the north ... More Information

Robbins TBMs score at Qinling railway tunnel

Robbins TBMs score at Qinling railway tunnelTwo 10.2 m-diameter Robbins main beam TBMs are returning record advances in predominantly phyllite and limestone on a remote railway tunnel beneath ... More Information

Advertisers of the year

Advertisers of the yearWhile tunnelbuilder is free to web and readership driven, somebody has to pay the tab. Our advertisers, who are readers themselves, are the people to thank. Amongst these, ... More Information

ES Rubber to supply Israel high speed tunnels

ES Rubber to supply Israel high speed tunnelsThe Tel Aviv-Jerusalem high speed railway tunnel project will be built by two joint venture contractors. One comprises Pizzarotti of Italy with Shapir of ... More Information

Newsfeed keeps you up to date

Newsfeed keeps you up to dateGet your daily tunnelling news fix from tunnelbuilder by clicking on the newsfeed main menu button. Updated continuously by Google in real time, the 10 most recent TBM ... More Information

New CEO for NFM Technologies

New CEO for NFM TechnologiesAlain Deleard is the new CEO of NFM Technologies, replacing Luc Devaux. NFM Technologies, which exports 75% of its products, exceeded EUR100 million turnover in 2010. The ... More Information

Putzmeister increases worldwide customer support

Putzmeister increases worldwide customer supportPutzmeister Iberica in Madrid has set up a 24/7 technical service hotline for emergencies. A qualified technician will be available to provide ... More Information

Rabat Tunnel des Oudayas open to traffic

Rabat Tunnel des Oudayas open to trafficOudayas tunnel is part of the Bouregreg valley development project in Rabat, capital of Morocco. The new route connects the river shore and the ocean coast, ... More Information

Salvador Injections solving sealing problems

Salvador Injections solving sealing problemsFor more than 30 years Italian company Salvador Injections has been working at strengthening, consolidation and waterproofing of wall structures. Over the ... More Information

RETC underway in San Francisco

RETC underway in San FranciscoThe much-anticipated RETC biennial tunnelling event starts at the Marriott Marquis in San Francisco on Sunday 19th June, 2011. The exhibition in the Yerba Ballroom is a ... More Information

GIA Swedvent fans for China

GIA Swedvent fans for ChinaThe new generation of Swedvent fans features improved silencers filled with processed mineral wool to reduce high frequency sounds. The results are dramatic over the whole ... More Information

Saint-Oyen bypass approved

Saint-Oyen bypass approvedAnas has approved the design for the 4,403 m Etroubles and Saint-Oyen bypass on road SS 27 to the Gran San Bernardo pass in Valle d'Aosta. The project includes the ... More Information

Palude excavation holes with difficulty

Palude excavation holes with difficultyOn 18.05.2011 CMC (Ravenna) broke through the south bore of the 1,166 m Palude tunnel, Maxi lot 1 of the Quadrilatero-Marche-Umbria. Several difficulties were ... More Information

TBM progress on Barcelona drives

TBM progress on Barcelona drives On the Madrid-Barcelona-French border high-speed railway line, Herrenknecht TBM Gerunda reached the Parc de la Devesa shaft on 17.05.2011, after boring 885 m of the ... More Information

World's highest road tunnel

World's highest road tunnelOn 25.05.2011 work began on the 7 km-long Trola tunnel in south-western Sichuan province on the 2,415 km-long Sichuan-Tibet highway in China. At a maximum altitude of ... More Information

Big Robbins breaks out at Niagara

Big Robbins breaks out at Niagara The 14.4 m-diameter Robbins Main Beam TBM, the largest of its type ever produced and affectionately known as Big Becky, has broken through at Niagara. The 10.143 ... More Information

Senior engineers required for Toronto Transit expansion

Senior engineers required for Toronto Transit expansionThe Toronto Transit Commission (TTC) keeps Toronto moving with a dedication to service, safety and convenience that is unparalleled in the ... More Information

Planning engineer required

Planning engineer requiredInternational tunnelling recruitment agency iPS is seeking a planning engineer to work for a UK client. Duties include planning of overall project, logistics, construction ... More Information

Highest railway tunnel

Highest railway tunnelFenghuoshan tunnel, located in Zadoi county, Qinghai on the new 1,142 km-long Qingzang railway to Tibet at an altitude of 4,905 m ASL, is the highest railway tunnel in the ... More Information

South Island Line contracts let

South Island Line contracts letLeighton Asia has been awarded two contracts by MTR Corporation for construction of the new 7 km-long South Island Line (East) in Hong Kong. The work includes 1.1 km ... More Information

Ann Lambrechts of Bekaert wins Inventor Award

Ann Lambrechts of Bekaert wins Inventor AwardToday it was announced that Ann Lambrechts, R&D manager with Bekaert has won the prestigious European Inventor Award for construction. The ... More Information

HSEQ manager wanted

HSEQ manager wantedIPS, the international personnel recruitment agency, is looking for a qualified German-speaking HSEQ manager with knowledge and experience in tunnelling construction to prepare ... More Information

Putzmeister customized shotcrete solutions

Putzmeister customized shotcrete solutionsWith concrete spraying reaches of up to 17 m and capacities up to 30 cu m/h, little wonder that Putzmeister machines are a common sight in the world's ... More Information

Aker Wirth TBMs for Koralm

Aker Wirth TBMs for KoralmAker Wirth will supply contractor Strabag AG with a pair of 9.93 m-diameter telescopic shield TBMs for the 20 km-long KAT 2 section of the 32.5 km-long Koralm tunnel on the ... More Information

Mine Radio Systems at Big Event

Mine Radio Systems at Big EventMRS will be presenting its Centrian Ethernet over leaky feeder solution at this year's Big Event in Timmins, Ontario on 18-19th May. The system provides integrated ... More Information

Tunnels and ITS symposium

Tunnels and ITS symposiumTunnels are currently the main application for ITS, intelligent transport systems. A new symposium scheduled for June 15-16th in Bergen, Norway will discuss the development ... More Information

Inaugural Expomatec fair for Madrid

Inaugural Expomatec fair for MadridExpomatec, the Spanish infrastructure, civil works, extraction and mining machinery fair, takes place 24-28th May at Feria de Madrid. This, the first in a series ... More Information

BASF additives aid concrete set at Limberg II

BASF additives aid concrete set at Limberg IIThe Limberg II hydro generating station in the Hohe Tauern high mountain range of Austria features two huge rock caverns with associated tunnel system. ... More Information

Follow the money in Brussels

Follow the money in BrusselsThe TEN-T info day on 29.06.2011 in Brussels will present the priorities for the EU transport calls for rail, river and motorway construction. Participants will be ... More Information

Early TBM completion at Lyon metro Line B

Early TBM completion at Lyon metro Line BOn 23.04.2011 Herrenknecht TBM Agata at Lyon metro Line B reached its exit shaft, some two months ahead of schedule. 300 m of the alignment is beneath the ... More Information

Unique Robbins hybrid EPB away at Sleemanbad

Unique Robbins hybrid EPB away at SleemanbadOn-site first time assembly of a 10 m-diameter hybrid EPB has been completed at the 12 km-long Sleemanbad carrier canal in Madhya Pradesh, India. The ... More Information

GIA upgrades underground cable bolter

GIA upgrades underground cable bolterThe latest mechanized grouting and cable insertion system (MEGSIS) from Swedish manufacturer GIA offers a guillotine effect cable cutter, improved piston pump ... More Information

Breakthrough for Almendral tunnel

Breakthrough for Almendral tunnel On 07.04.2011 excavation was completed on the 1.1 km-long single-tube, twin track Almendral tunnel, the major feature of the 1.67 km-long Barranco de ... More Information

Girona II tunnel excavation started

Girona II tunnel excavation startedOn 06.04.2011 the TBM Gerunda started excavation of Girona II tunnel on the Madrid-Barcelona-French border high-speed line. It will drive 1,565 m from the new ... More Information

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Tunnelling News

Will Tunneling Projects Be The Next Big Thing For Mumbai's Public Transport?

During the interview, she also called tunnel boring machines the safest and one of the most efficient ways of doing tunelling. "Only the place of the ... More Information

Chipolbrok vessels deliver tunnel boring machines to Sydney and mineral bulk to Peru

Chipolbrok delivers TBMs for Sydney Metro on Chipolbrok Star and loads 29000t minerals in Peru on Taixing, showcasing fleet versatility... More Information

How Seequent's software solutions help to manage tunnelling data

The second phase of Singapore's Cross Island Line (CRL) metro project is under way, assisted by a suite of software from Seequent. Singapore's CRL is ... More Information

Muography to Transform Tunnel Safety Monitoring

Underwater bridge tunnels have become vital arteries for cities, enabling smooth vehicular passage beneath rivers, bays, and inland waterways. More than 200 of these structures operate ... More Information

10 longest tunnels in the world that reshaped global transportation

Modern tunnel construction involves sophisticated techniques, including tunnel boring machines and advanced geological surveying. The project ... More Information

Čučković: Construction of the tunnel boring machine for the Belgrade Metro in final phase

It is a good thing that we, for example, acquired these tunnel boring machines at a lower price than other countries... More Information

Serbia plans to borrow 2.5 billion EUR in 2026 for the construction of the Belgrade metro

It is also stated that two TBMs (tunnel boring machines), the so-called moles, have already been ordered and are expected to be delivered to ... More Information

VSM starts operation at Tilbury

The pioneering Vertical Shaft Sinking Machine (VSM) from Herrenknecht, named “Verena”, after Verena Holmes, a pioneering British mechanical ... More Information

Metrolinx reveals names of Ontario Line tunnel boring machines

Following a contest, Metrolinx has officially named its two massive tunnel boring machines Libby and Corkie... More Information

Montreal blue line metro tunnel boring machine has arrived, time to dig

It's basically building the backbone of the blue line extension,” said project chief Maha Clour, pointing out that crews have reached the bottom of ... More Information

Norway Unveils The World's Longest Road Tunnel In A Majestic Engineering Marvel

The construction cost broke down to about 38,000 NOK (roughly £3,500) per meter, an impressive figure considering the complexity and scale of the ... More Information

Sydney Metro West construction captured on video ahead of 2032 opening

Two giant tunnel boring machines have made their way through the deepest section of Darling Harbour as part of works on the new Metro West. More Information

Bengaluru's ₹18,000-crore tunnel road project inches closer as four major firms submit bids

Four firms bid for Bengaluru's ₹18000 crore tunnel project linking Hebbal to Silk Board, expected to ease city traffic by 2029 under a 34-year ... More Information

Webuild advances Rocchetta Tunnel excavation

Upcoming construction milestones. Webuild is preparing for the next major phase on the Apice–Hirpinia section: the launch of the reinforced concrete ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Kathmandu-Tarai Expressway achieves 43.3% progress

The total length of the seven tunnels under the project is 10.979 km. ... Construction progress for the Chandram Bhir tunnel. (2,250 metres) has ... More Information

MMRDA plans 70-km underground tunnel road network across Mumbai

The project, being prepared in phases, will enhance multi-level connectivity and ease commuting. By KAILASH BABAR · Google preferences in ET Follow us ... More Information

Hong Kong: Robotics And AI Enhance Tunnel Construction

It is leveraging artificial intelligence (AI), robotics and automation to advance the Trunk Road T2 and Cha Kwo Ling Tunnel project. These ... More Information

Single-Bore Tunnel Method Chosen for BART Silicon Valley Phase II

This decision allows VTA to advance project design towards 60%, stay on a critical path to tunnel construction and meet the projected revenue service ... More Information

Boring Co. begins 'controlled blasting' for Nashville tunnel at TN capitol

The Boring Co. has started excavation work at a state-owned parking lot on Rose Parks Boulevard for the Music City Loop project Wednesday, Aug. 13, ... More Information

TBM arrives in Montreal for delayed metro extension project

A custom-built tunnel boring machine (TBM) has arrived in Canada for use on a 6km extension of the Montreal Metro... More Information

Spain Confirms Feasibility of €8.5 Billion Morocco-Europe Tunnel

The study was conducted by German company Herrenknecht, the world leader in tunnel boring machines, at the request of the Spanish government's ... More Information

TxDOT spends $748M to burrow bus-size tunnels under Central Austin

The first tunnel boring machine will be deployed near ... Industry experts say tunnel boring machines typically advance about 50 feet per day. More Information

6 TBMs on Duty on the 27-Kilometer Line in Körfezray

Two of the six Tunnel Boring Machines (TBMs) that will serve in the first 27-kilometer phase are actively excavating tunnels, while the ... More Information

Construction on HS2's Euston tunnel will start 'fairly soon', says rail minister

Construction on the HS2 tunnel from Old Oak Common station to Euston station will start “fairly soon”, the rail minister has said... More Information

Blue Line Extension TBM Arrives at Port of Montreal

Railway Track and Structures Construction site of the future Vertières station (Pie-IX) in June 2025. Caption and photo courtesy of STM. MONTREAL - The tunnel boring machine (TBM) ... More Information

Tunnel break through milestone for Mt Messenger Bypass project

A 110 tonne excavating machine, called Hinetūparimaunga, has broken through at the northern end of the project's 235 metre-long tunnel ... More Information

$3.9 billion tunnel and bridge link for VA

Costing around $3.9 billion, the Hampton Roads Bridge-Tunnel (HRBT) upgrade Expansion project for Virginia will improve traffic flow for a key ... More Information

Extended North Tunnel Flood Mitigation Project Receives $18.2 Million in State Funding

The funding advanced by the board includes a $17.2 million loan and $1 million grant for the construction of the mile-long tunnel, which will divert ... More Information

Gateway Project faces new uncertainty amid government shutdown

Federal funding for the $16B Hudson Tunnel Project, aka Gateway, has been paused during the government shutdown, sparking political backlash. More Information

Tunnel Boring Machine Emily Passes Key Factory Test for DC Water Potomac River Tunnel Project

Tunnel boring machine (TBM), Emily. This test confirms that Emily is ready to begin excavating the southern leg of the Potomac River Tunnel — a ... More Information

Sydney Metro West achieves world-first in tunnelling technology

Sydney Metro West has achieved a world-first in tunnel construction with a Lining Erector Machine (LEM) successfully being used to line the mined ... More Information

Gateway construction continues despite Trump's claim of termination

Tutor Perini, the general contractor on the Manhattan Tunnel Project, confirmed construction activity is currently continuing as planned... More Information

Tunnelling complete for Annacis water supply project

Metro Vancouver has completed the tunnelling phase of the $450 million Annacis Water Supply Tunnel, which will complete in 2028... More Information

Santa Clara VTA confirms single tunnel plan for BART extension

With VTA now owning the tunnel boring machine, the agency assumes full responsibility for its performance, agency officials said. To manage the risk, ... More Information

Chennai: Tunnel Boring Machine Vaigai achieves breakthrough at Mandaveli Metro Station

CHENNAI: The Chennai Metro Rail Limited (CMRL) on Saturday achieved a major milestone in Phase II tunnelling works, as Tunnel Boring Machine (TBM) ... More Information

Trump 'terminates' $16 billion Hudson River tunnel project linking N.J. and N.Y.C.

President Trump said funding for the $16 billion Gateway Tunnel project is "terminated" at a press conference. New Jersey officials said they will ... More Information

$676 million underwater tunnel for India

The project is expected to cost around $676 million, with a Detailed Project Report (DPR) having now been completed. India's road transport network is ... More Information

€1.4 billion Belgian tunnel project approved

The first phase of the €1.4 billion project for Belgium’s new Limburg Noord-Zuid link has been approved. Construction should commence in 2027 on the project, which will form a section of ... More Information