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Deo Ca Pass tunnel in Central Vietnam moves forward

Deo Ca Pass tunnel in Central Vietnam moves forwardThe twin tube Deo Ca Pass highway tunnel will have a total length of 5.45 km. Phu Yen and Khanh Hoa provincial administrations are supervising ... More Information

World's longest water diversion tunnel

World's longest water diversion tunnelThe 85.3 km-long, 8 m-diameter tunnel from Hengren county to Xinbin county in East Liaoning will deliver water from Dahuofang reservoir to more than 10 million ... More Information

Art and craft

Art and craftIn Ireland, Limerick County Council is advertising for artists to create permanent outdoor artwork for their ring road and tunnel, for which they will pay EUR500 to each of the five ... More Information

Safe tunnelling in urban areas

Safe tunnelling in urban areasMeyco Global Underground Construction has announced that the BASF TBM 2009 conference will take place in Singapore from 5-7th November. The emphasis will be on EPB and ... More Information

Big 5 PMV moves to Dubai Arena

Big 5 PMV moves to Dubai ArenaBig 5 PMV, the most important event for construction plant, machinery, equipment and vehicles in the Middle East, will take place from 23-26 November, 2009 in The ... More Information

Tunnel Construction Services RFQ

Tunnel Construction Services RFQNew York City Economic Development Corporation (NYCEDC) is inviting construction firms to submit a Statement of Qualifications for the provision of construction ... More Information

Recession survivors guide

Recession survivors guideOf the 14 major economies that went into recession, Japan, France and Germany have already hauled themselves out, and will progressively be followed by their peers. Most of ... More Information

Second Herrenknecht launched at Veligonda project

Second Herrenknecht launched at Veligonda projectThe 7.96 m-diameter hard rock double shield Herrenknecht TBM launched at Dornala last year on an 18.5 km water tunnel drive has been joined by a ... More Information

Big plans for Korea traffic

Big plans for Korea trafficKorea currently has 25 expressway routes totalling 3,103 km, a figure that will increase to 4,000 km by 2010 and 6,160 km by 2020. Design work will start in 2010 on a ... More Information

IWMA to meet in London

IWMA to meet in LondonThe International Water Mist Association conference is taking place at the Hilton Hotel in Paddington, London from 23.09.2009 to 24.09.2009. Sponsored by Fogtec, Tyco, Danfoss ... More Information

Tunnel waterproofing

Tunnel waterproofingTunnel waterproofing - a new level of protection Stirling Lloyd specializes in the development, manufacture and application of high-performance waterproofing and structural ... More Information

Progress on Guang-Fo line in Guangzhou

Progress on Guang-Fo line in GuangzhouThe 32.2 km-long Guang-Fo Line is part of the Chinese government's Intercity Rapid Rail Project to link nine cities in Guangdong Province by 2015, including ... More Information

Heavy going in Albania

Heavy going in AlbaniaBechtel-Enka, the US-Turkey consortium building the 57 km-long motorway between Rreshen and Kalimash, has reported its experience on the 5.5 km-long NATM twin tube tunnel at ... More Information

First section of Duplex A86 opens west of Paris

First section of Duplex A86 opens west of ParisThe first 4.5 km section of Duplex A86, between Rueil-Malmaison and the A13 motorway interchange in Vaucresson Le Chesna opened on 01.07.2009. The ... More Information

Three new lines for Dalian metro

Three new lines for Dalian metroConstruction of 58.1 km of subway lines 1, 2 and 4 commenced on 25.07.2009 at Dalian, one of the largest cities in northeast China's Liaoning Province, where a total ... More Information

Longest Indian rail tunnel progress

Longest Indian rail tunnel progressIndian Railways has almost completed the 7.5 km stretch of its 11 km Pir Panjal tunnel project in the State of Kashmir, the longest tunnel in the country (in/36). ... More Information

Sofia metro gets underway

Sofia metro gets underwayWork began in July, 2009 on the new stretch of Sofia metro line 1 to connect the Obelisk - Serdika and Vasil Levski Stadium - Mladost 1 sections, which themselves will be ... More Information

Barcelona St Just tunnel looking good

Barcelona St Just tunnel looking goodIn November, 2008, two 5.98 m-diameter double shield TBMs, one from SELI and the other from Herrenknecht, started to bore the 11.5 km-long St Just water tunnel ... More Information

Pajares twin tunnels completed

Pajares twin tunnels completedThe second tube of the 24.6 km-long Pajares twin tunnel on the high-speed railway link between Leon and Asturias in northern Spain was completed on 11.07.2009. The ... More Information

Santa Cristina bypass opens in Val Gardena

Santa Cristina bypass opens in Val GardenaThe new 1.6 km Santa Cristina bypass opened in Bozen province on 17.07.2009. Overall cost was EUR32.1 million, of which EUR4.8 million was spent on Monte ... More Information

Two more NATM tunnels completed on the Madrid-Murcia high speed line

Two more NATM tunnels completed on the Madrid-Murcia high speed lineThe single-tube, 85 sq m section, 2.2 km-long Loma del Carrascal tunnel on the 10.9 km-long Cuenca-Olalla section of the ... More Information

Mühlhäuser catalogue goes online at tunnelbuilder.com

Mühlhäuser catalogue goes online at tunnelbuilder.comOur good friends at Mühlhäuser, who have been celebrating over 100 years in the mining and tunnelling equipment business, have entrusted ... More Information

Major HATS award to Leighton Asia JV

Major HATS award to Leighton Asia JVThe design/construct contract for a 7.5 km-long drill/blast tunnelled section of Hong Kong's latest sewage conveyance system, value EUR235 million, has been ... More Information

Mike Rispin to head Normet in North America

Mike Rispin to head Normet in North AmericaNormet, the Iisalmi, Finland based provider of underground mining and tunnelling equipment and care solutions has announced the appointment of Mike Rispin ... More Information

Lyon metro Line B extension starts

Lyon metro Line B extension startsOn 09.07.2009 the 1.7 km extension of Line B of the Lyon metro from Gerland to Oullins, with a crossing of the Rhone river, got underway. A 9.5 m diameter TBM will ... More Information

Spanish line advances towards France

Spanish line advances towards FranceOn 07.07.2009 the 649 m-long Sant Andreu tunnel on the 3.3 km Sant Julia de Ramis-Cornella del Terri subsection of the Madrid-Barcelona-French border high-speed ... More Information

BASF Meyco updates its company profile

BASF Meyco updates its company profileLongtime sponsor of tunnelbuilder.com BASF Meyco has updated its profile to reflect the changes to the company over recent years, and its focus on expanding ... More Information

Progress on Madrid-Castilla La Mancha-Valencia-Murcia high-speed link

Progress on Madrid-Castilla La Mancha-Valencia-Murcia high-speed linkOn 02.07.2009, the 2.2 km-long Loma de Carrascal tunnel on the 10.9 km Cuenca-Olalla subsection of the Madrid-Castilla La ... More Information

Breakthrough on Camarillas railway bypass

Breakthrough on Camarillas railway bypassAfter a 140-day drive, on 03.07.2009, TBM Nenica broke through on the longest tunnel (2,250 m) of the Camarillas railway bypass on Spain's ... More Information

CAT man for Lovat

CAT man for LovatDick Cooper, general manager of Caterpillar Global Mining Operations for the Melbourne and Burnie facilities, has taken Lovat Tunnel Equipment under his wing, succeeding Rick Lovat ... More Information

ITA sets up training foundation

ITA sets up training foundationThe goal of the ITA-CET foundation is to be the link between universities, research facilities and consultancies and all types of professionals working in the ... More Information

BarChip fibre passes ten year milestone

BarChip fibre passes ten year milestoneBarChip is a highly engineered synthetic fibre produced by Elasto-Plastic Concrete (Europe) Ltd that has been developed to meet the toughest demands of the ... More Information

Robbins HP TBMs bore water tunnels in Andhra Pradesh

Robbins HP TBMs bore water tunnels in Andhra PradeshOn 24.06.2009 a 10.0 m High Performance (HP) Robbins Double Shield started to bore under the Nagarjuna Sagar National Park, the second tunnel of ... More Information

Singapore LTA awards two DTL2 stations to Sembawang

Singapore LTA awards two DTL2 stations to SembawangSembawang Engineers and Constructors, part of the Punj Lloyd group, has pocketed the EUR186 million contract for Botanic Gardens and Stevens ... More Information

Robbins HP TBMs bore water tunnels in Andhra Pradesh

Robbins HP TBMs bore water tunnels in Andhra Pradesh Minister for Major Irrigation Ponnala Lakshmaiah formally launched the drilling of the second tunnel of the Pula Subbaiah Veligonda project in ... More Information

GIA wins in small section Slovakian tunnel

GIA wins in small section Slovakian tunnelA complete line-up of GIA tunnelling equipment comprising two locomotives, four shuttle cars, and a crawler-mounted 9HR/B Haggloader were used by Skanska BS ... More Information

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Tunnelling News

Westmead metro station cavern formwork the biggest in the southern hemisphere

Crews are now retrieving the 1,200-tonne Tunnel Boring Machines (TBMs) that arrived beneath Westmead in September and October, lifting each machine ... More Information

Webuild: excavation begins on three tunnels for Salerno-Reggio Calabria HS/HC Railway

All four TBMs planned for Lot 1A Battipaglia–Romagnano section are operational with launch of latest three Joining TBM Partenope, already active, are Leucosia and Ligea, whose names were ... More Information

SELI Overseas: 75 Years of Tunneling with TBMs

From Channel Tunnel to the Brenner Tunnel: When Tunneling Is Synonymous with Innovation ... SELI TBM at work on the construction site... More Information

Road realignment is major step for HS2, says firm

HS2 Ltd A view of the realigned B4525 on an overcast day. · HS2 Ltd An aerial view of the construction of Greatworth tunnel showing major earthworks ... More Information

Amtrak has made real progress in East River Tunnel rehabilitation

The tunnel has been stripped down to the concrete liner. Westbrook was told the project isn't just about modernizing and replacing what was, but also ... More Information

Madrid invests EUR 123 million in new metro stations on Line 11

TBM Mayrit enters into action in 2026 · November 2025 – February 2026: assembly of the tunnel boring machine in Comillas Park (Carabanchel district) ... Facebook Twitter Flag as ... More Information

Jerusalem Light Rail Construction Advances Ahead of Major Tunnel Work

Local reporting on city project materials notes that “the plan calls for a 2-km underground tunnel to be built beneath the city center, including ... More Information

Why and how the Civil Works Alliance changed Sizewell C tunnel designs from Hinkley Point C

Ground conditions around Sizewell C have required intense collaboration between the project’s contractors alliance to come up with new outfall and intake tunnel design solutions... More Information

AI planning of the first railway tunnel through challenging terrain

AI plans first rail tunnel through tough terrain. Artificial Intelligence China Uses AI for the Construction of Railway Tunnels. 2025-12-08 ... More Information

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