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Track Dualling on Milan-Lecco Rail Line

Track Dualling on Milan-Lecco Rail LineThe dualling of the Carnate Usmate-Airuno section on the Milan-Lecco rail line will improve the suburban train service provided by Line S8 from Milan via ... More Information

Lovat Receives Order for TBM for Line 9 of Beijing Metro

Lovat Receives Order for TBM for Line 9 of Beijing MetroLovat recently signed a contract to supply a new RME246SE earth pressure balance tunnel boring machine to the Beijing Urban Construction Group ... More Information

Long Pipejack in New Zealand

Long Pipejack in New ZealandA 55-tonne Herrenknecht AVND 1800 microtunnelling machine, painted in Canterbury colours and nicknamed 'Dora the Bora', completed the first underground stretch of ... More Information

Colombia Releases Pre-bidding Rules for South America's Longest Road Tunnel

Colombia Releases Pre-bidding Rules for South America's Longest Road TunnelColombia's national road and highway institute, Invias, published the pre-bidding rules for the studies, design, social and ... More Information

Second Stage of Big Walnut Interceptor Tunnel Breaks Through in Ohio

Second Stage of Big Walnut Interceptor Tunnel Breaks Through in OhioThe Big Walnut Augmentation/Rickenbacker Interceptor (BWARI) project is part of an overall programme for the City of Columbus, ... More Information

Conference on Design and Construction of Tunnels and Shafts for the DLR Woolwich Extension

Conference on Design and Construction of Tunnels and Shafts for the DLR Woolwich ExtensionThe Docklands Light Railway (DLR) Woolwich Arsenal extension is an integral part of Transport for London's ... More Information

New Life for Karahnjukar TBM at Ceneri Base Tunnel

New Life for Karahnjukar TBM at Ceneri Base TunnelTBM #1 that achieved successfully its task on the main headrace tunnel of the Kárahnjúkar hydropower project in Iceland will be the first Robbins ... More Information

First Concrete Element to be Placed on World's First Offshore Immersed Tunnel in Korea

First Concrete Element to be Placed on World's First Offshore Immersed Tunnel in KoreaIn 2005, construction commenced on two cable-stayed bridges, with main spans of 475 m and 230 m, and a 3.2 ... More Information

Construction of Deep Flood Relief Tunnel Under Way in Mexico

Construction of Deep Flood Relief Tunnel Under Way in MexicoThroughout the years, the regional landslides that affected the banks of the Río de la Compañía in Mexico Valley reached annually ... More Information

Malaysia Invites Contractors to Prequalify for Pahang-Selangor Water Transfer Scheme

Malaysia Invites Contractors to Prequalify for Pahang-Selangor Water Transfer SchemeContractors have until 19th September, 2007 to prequalify for the construction of the first package, which is also ... More Information

Ministry of Infrastructure and City of Milan Sign Agreement for Metro Lines in Milan

Ministry of Infrastructure and City of Milan Sign Agreement for Metro Lines in MilanDuring a meeting on 31st July, 2007 between minister for infrastructure Antonio Di Pietro, mayor of Milan ... More Information

TBM Finish on A86 Tunnel in Paris

TBM Finish on A86 Tunnel in ParisTunnelling on the second, 5.5 km section of the A86 double-deck tunnel linking Pont Colbert in Jouy-en-Josas, south of Versailles, and the A13 motorway in Vaucresson ... More Information

Recent Infrastructure Projects Motivate Hunter Personnel (UK) to Look to Spain for Engineering Expertise

Recent Infrastructure Projects Motivate Hunter Personnel (UK) to Look to Spain for Engineering ExpertiseAs we all know over recent years Spain has been alive with infrastructure projects ranging ... More Information

Sika and Putzmeister Apply Efficient Shotcrete and Concrete at Schmuecke Tunnel

Sika and Putzmeister Apply Efficient Shotcrete and Concrete at Schmuecke TunnelThe two 1,720 m and 1,729 m-long tunnels are part of the new construction section of the A 71 motorway between ... More Information

Lok Ma Chau Spur Line Inaugurated in Hong Kong

Lok Ma Chau Spur Line Inaugurated in Hong KongThe Kowloon-Canton Railway Corporation (KCRC) on 15th August, 2007 celebrated the commencement of service of Lok Ma Chau spur line of the East ... More Information

Mega Tunnel Projects: Myth or Reality?

Mega Tunnel Projects: Myth or Reality?At first view, mega tunnel projects seem science fiction, a theatre of dreams, with little connection to reality. And yet some of them are already in operation ... More Information

Kops II Hydro Nears Completion in Austria

Kops II Hydro Nears Completion in AustriaIn west Austria, construction of the new 450 MW Kops II pumped storage power plant by Vorarlberger Illwerke, the project owner, is nearing completion ... More Information

First Tunnel Section on Kallang-Paya Lebar Expressway to Open in October in Singapore

First Tunnel Section on Kallang-Paya Lebar Expressway to Open in October in SingaporeFrom 26th October, 2007, motorists will be able to move between the Pan-Island Expressway (PIE) and the East ... More Information

Martin Knights - First 100 days as ITA President

Martin Knights - First 100 days as ITA PresidentJust three months since the ITA Congress in Prague, and Martin Knight's election to the presidency, and already two ad-hoc meetings with the ITA ... More Information

Innovative Chemistry in World's Longest Railway Tunnel

Innovative Chemistry in World's Longest Railway TunnelThe new edition of BASF's innovation podcast "Chemistry of Innovations" talks about the applications of construction chemicals in extreme ... More Information

UK Invites Consultants to Bid for Support to Planning, Design and Construction of Thames Tideway

UK Invites Consultants to Bid for Support to Planning, Design and Construction of Thames Tideway TunnelUnder pressure from the European Commission whose urban waste water directive requires that ... More Information

Lovat Receives Order for TBM in Spain

Lovat Receives Order for TBM in SpainLovat has signed a contract with a joint venture whose members are FCC, OHL and Copisa for the supply of a new Lovat RME270SE earth pressure balance tunnel ... More Information

Unique Application of Formwork for East Side CSO Tunnel Project in Portland

Unique Application of Formwork for East Side CSO Tunnel Project in PortlandIn Portland, Oregon, a major 20-year USD1.4 billion overhaul programme dedicated to cleaning up the city's Willamette River ... More Information

Italy and France Sign Joint Request for EU Funding for Lyon-Turin High Speed Link

Italy and France Sign Joint Request for EU Funding for Lyon-Turin High Speed LinkItaly and France have made on 16th July, 2007 a joint request for European financing for the Lyon-Turin high speed ... More Information

DLR Completes Tunnel Extension to Woolwich

DLR Completes Tunnel Extension to WoolwichThe tunnel extending the Dockland Light Railway (DLR) under the River Thames to Woolwich Arsenal in East London was completed on time on 23rd July, 2007 as ... More Information

Herrenknecht Appoints New North American Sales Manager

Herrenknecht Appoints New North American Sales ManagerHerrenknecht, the world renowned manufacturer of TBM, shield and mixshield tunnelling machines, microtunnelling systems, shaft sinking ... More Information

TBM Begins Boring Sierra de La Cabrera on Madrid-Valencia High Speed Line

TBM Begins Boring Sierra de La Cabrera on Madrid-Valencia High Speed LineTBM excavation of the longest tunnel has commenced on the future 914 km Madrid-Castilla La Mancha-Valencia-Murcia ... More Information

Atlas Copco Introduces New COP 2238 Rock Drill

Atlas Copco Introduces New COP 2238 Rock DrillAtlas Copco is introducing COP 2238, a new 22 kW hydraulic rock drill for the hole range 51-76 mm. The rock drill is intended for drifting and ... More Information

Overcoming Fault Zones at Bodio on Gotthard Base Tunnel

Overcoming Fault Zones at Bodio on Gotthard Base TunnelLot 452/554 between Bodio and Faido, in the south section of the Gotthard base tunnel, is built by consortium TAT, whose partners are Implenia, ... More Information

Lochkov Tunnel under Construction on Prague South Ring Road

Lochkov Tunnel under Construction on Prague South Ring RoadLot 514 Slivenec-Lahovice of the Prague ring road project is currently under construction. This 6,013 m project, which is located in ... More Information

Austrian and Italian Governments Sign in Vienna Memorandum on Brenner Base Tunnel

Austrian and Italian Governments Sign in Vienna Memorandum on Brenner Base TunnelAustrian Chancellor Alfred Gusenbauer, Italy's minister for infrastructure Antonio Di Pietro and the Austrian ... More Information

French-Swiss Cooperation to Build, Operate and Maintain a Cross-border Sewage Tunnel

French-Swiss Cooperation to Build, Operate and Maintain a Cross-border Sewage TunnelThe Canton and Republic of Geneva, Switzerland and the Community of municipalities of the Gex territory (CCPG) in ... More Information

Second Driverless Metro Line Opens in Toulouse

Second Driverless Metro Line Opens in ToulouseToulouse's second fully automatic metro line was inaugurated on Saturday 30th June, 2007 by Jean-Louis Borloo, France's minister for ecology, ... More Information

Record-breaking Robbins TBM Demolishes Rock at Kárahnjúkar

Record-breaking Robbins TBM Demolishes Rock at KárahnjúkarOn 25th June, 2007, a Robbins 7.23 m main beam TBM set its second world record in the 7 to 8 m size range while boring at ... More Information

Vedeggio-Cassarate Tunnel under Construction in Lugano, Switzerland

Vedeggio-Cassarate Tunnel under Construction in Lugano, SwitzerlandThe Vedeggio-Cassarate tunnel in Lugano, Switzerland is the first piece within Lugano’s transport plan. This big scheme ... More Information

Last Breakthrough at Grouft Tunnel in Luxembourg

Last Breakthrough at Grouft Tunnel in LuxembourgThe entrance of the Grouft rescue tunnel was holed through on 18th June, 2007 near the Lorentzweiler-Blaschette road, thus marking the last ... More Information

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Tunnelling News

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

Tunnel boring machine S-639B achieves breakthrough under Kanpur Metro Phase I Project

The package KNPCC-06 involves design and construction of a tunnel through TBM, cut and cover tunnel, underground ramp from Kanpur Central end of ... More Information

Lawmakers propose construction of undersea tunnel to link Luzon and Visayas

Several lawmakers from the Visayas region are proposing the construction of an underground tunnel that will serve as a permanent land connection ... More Information

Oman-UAE rail project hits major milestone with start of tunnel excavation

Tunnel excavation has begun in Oman's Al Hajar Mountains, marking a major milestone for the cross-border Oman-UAE Railway... More Information

Engineering the depths: innovative tunnelling for hydropower projects

Major schemes in Austria, China, and Germany are applying advanced underground construction techniques for hydropower projects. More Information

New tunnel, new standard: Silvertown project showcases innovation in surface protection

Originally approved in 2018, construction of the tunnel began in March 2021. In September 2023, following the completion of tunnelling works, ... More Information

Metro Manila Subway Project: DOTr launches third tunnel boring machine

Dubai: The Department of Transportation (DOTr) has launched a third tunnel boring machine (TBM) for the Metro Manila Subway Project (MMSP), ... More Information

Skanska JV wraps up $450M Baltimore tunnel nearly 2 years early

A joint venture has reached substantial completion on the $450 million Howard Street Tunnel Project in Baltimore nearly two years ahead of the original completion date, according to a ... More Information

Work continues on NYC megaprojects, despite $18B federal funding pause

Contractors on two of New York City’s largest infrastructure projects will keep digging, but they might glance over their shoulders toward Washington... More Information

HS2 Chipping Warden tunnel project moves step forward

HS2 Ltd An aerial view of the HS2 tunnel construction at Chipping Warden. A road HS2 Ltd. The 1.55 mile (2.5km) Chipping Warden tunnel will be ... More Information

First of three Tunnel boring machines on way to SA as beams go up for tram overpass

The first of three tunnel boring machines that will be used to complete the northern and southern tunnels project is on its way to SA as part of a ... More Information

Chennai Metro Rail's TBMs to begin tunneling between Thiruvanmiyur and Indira Nagar

Chennai Metro Rail begins tunnelling work in challenging stretch for phase II project, facing obstacles due to hard rock... More Information

Custom lifting gantry aids TBM removal - Construction Briefing

The four TBMs excavated the 8.4 mile (14 km) Northolt Tunnel section. Two went in each way, digging a pair of tunnels from both ends towards each ... More Information

Tunnel construction begins on Barskoon — Bedel road in Issyk-Kul region

According to the project, two tunnels, 5,340 and 3,840 meters long, respectively, will be built at Sook and Ashuu-Suu passes. They will be among the ... More Information

China debuts world's mightiest centrifuge, unleashing ultra-intense gravity

China leads the way in shield tunnelling machine development · Shield machine of south line of Yellow River tunnel starts boring in Jinan · A close ... More Information

Boring Company Launches Global Operations Control Center in Bastrop, Texas

The Boring Company has officially opened its new Global Operations Control Centre in Bastrop, Texas, the tunnelling start-up announced on X... More Information

Port of Longview Lands $35.9MM Federal Loan for Rail Expansion

Active Construction on New Hudson Tunnel Project Supporting Domestic Jobs and Economic Output ... Bridges/Tunnels, Class 1, Freight, Ports, Track ... More Information

TBM Parvati Achieves Breakthrough At Kakadeo Station Of Kanpur Metro Line 2

Brief Scope: Design and Construction of TBM Tunnel, Cut and Cover Tunnel, ramp after Double Pullia, ramps in Agriculture Depot for main line and ... More Information

Howard Street tunnel reopens ahead of schedule, boosting Baltimore's freight capacity

The Howard Street Tunnel has been reopened after being out of service since February 2025.The nearly 130-year-old tunnel extends north from Camden Yards to the Mount Royal Station and is ... More Information