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First TBM Starts Line 9 of Barcelona Metro

First TBM Starts Line 9 of Barcelona MetroAn Earth Pressure Balance shield built by NFM Technologies, Wirth's sister company based in Lyon, started driving line 9 in Barcelona from Can Zam in Santa ... More Information

High Speed Tunnel Starts in Bologna

High Speed Tunnel Starts in BolognaPietro Lunardi, the Italian minister for infrastructure and transport, Vasco Errani, the president of the Emilia-Romagna region, Vittorio Prodi, the president of ... More Information

Developing DSL Broadband

Developing DSL BroadbandAccess to DSL Broadband is increasing rapidly, allowing us to install downloadable publications for more tunnelbuilder readers. However, the spread of DSL is not uniform. ... More Information

Two Wirth EPB Shields for Shiraz Metro - ir/19

Two Wirth EPB Shields for Shiraz Metro - ir/19The Wirth Group's sister company NFM Technologies will deliver two Earth Pressure Balance TBMs to the Shiraz Urban Railway Organization for the Shiraz ... More Information

France Confirms Lyon-Turin High Speed Link

France Confirms Lyon-Turin High Speed LinkFrench prime minister Raffarin confirmed to Italian premier Berlusconi France's commitment to build the Lyon-Turin high speed line, loosening the strained ... More Information

Putzmeister - speed and precision in shotcrete placement

Putzmeister - speed and precision in shotcrete placementFor many years the Putzmeister Wetkret 103 has been the standard wet shotcrete jumbo for tunnels, having made its reputation on durability, ... More Information

Robbins Receives Order for Three Machines for Kárahnjúkar Hydro Project

Robbins Receives Order for Three Machines for Kárahnjúkar Hydro ProjectUS TBM manufacturer, The Robbins Company, has received an order for three hard rock TBMs from Italian contractor Impregilo ... More Information

Zürich Thalwil Tunnel Inaugurated

Zürich Thalwil Tunnel InauguratedSwiss transport minister Moritz Leuenberger inaugurated the second double-track line Zürich-Thalwil on 6th June, 2003. This 10.7 km line allows long-distance ... More Information

Halcrow sponsors tunnelintelligence.com

Halcrow sponsors tunnelintelligence.comHalcrow Group is taking up a foundation sponsorship of tunnelintelligence.com, the industry's most-visited bids and awards website. The company is an ... More Information

Herrenknecht TBM Tackles Gotthard Base Tunnel from North

Herrenknecht TBM Tackles Gotthard Base Tunnel from NorthThe AGN JV between Murer and Strabag started excavation of the Gotthard base tunnel from the north side at the Amsteg jobsite on 27th May, ... More Information

Hsuehshan Tunnel Section Breaks Through

Hsuehshan Tunnel Section Breaks ThroughTaiwan's Premier Yu Shyi-kun presided over on 31st May, 2003 the breakthrough ceremony of the 5.7 km western section of the maintenance and emergency gallery ... More Information

Normet Celebrates Launching of Spraymec 7110 WPC at Intermat

Normet Celebrates Launching of Spraymec 7110 WPC at IntermatIntermat 2003 exhibition held in Paris 13th to 17th May, 2003 has been the occasion for Normet to launch its novelty - Spraymec 7110 WPC ... More Information

Atlas Copco Displays Impressive Product Line at Intermat

Atlas Copco Displays Impressive Product Line at IntermatAtlas Copco has been at the forefront at the big Intermat show held in Paris 13th to 17th May, 2003. Among the highlights from the Atlas Copco ... More Information

Extensive Geological Campaign Under Way for Stuttgart 21

Extensive Geological Campaign Under Way for Stuttgart 21Stuttgart 21 is one of Deutsche Bahn's largest projects consisting mainly of a comprehensive redesign of Stuttgart's dead-end central station, ... More Information

Mott MacDonald sponsors tunnelintelligence.com

Mott MacDonald sponsors tunnelintelligence.comMott MacDonald is taking up a foundation sponsorship of tunnelintelligence.com, the industry's favourite bids and awards website from tunnelbuilder. ... More Information

EuroTest Survey Assesses Safety in 25 European Road Tunnels

EuroTest Survey Assesses Safety in 25 European Road TunnelsThe survey "Safety in Road Tunnels 2003" carried out by several European motoring associations for the European ADAC motoring consortium ... More Information

Atlas Copco at Intermat 2003

Atlas Copco at Intermat 2003Visitors to this year's Intermat exhibition which will be held in Paris 13th to 17th May will be greeted by an array of equipment from the Swedish manufacturer Atlas ... More Information

Meet IPS at Amsterdam

Meet IPS at AmsterdamIPS, the supplier of specialist personnel to tunnelling projects, has improved its website so that vacancies and available personnel can now be searched by department. This ... More Information

Madrid Metrosur Commissioned on Schedule - es/24

Madrid Metrosur Commissioned on Schedule - es/24Madrid, Friday 11th April, 2003 Metrosur was officially opened today, completing the Madrid Metro 1999-2003 extension programme in just 40 months. ... More Information

Northbound Tunnel Opening for Boston's Big Dig

Northbound Tunnel Opening for Boston's Big DigThe 2.4 km northbound tunnel on Interstate 93 opened to motorists on 30th March. The tunnel runs under Atlantic Avenue starting near South Station. The ... More Information

Loan agreement for Nagdhunga Tunnel Construction Project

On December 22, the Japan International Cooperation Agency (JICA) signed a loan agreement with the Government of the Federal Democratic Republic of Nepal in Kathmandu, the capital city, to provide a ... More Information

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Tunnelling News

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

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