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Mitsubishi TBM Breaks Through Parbati Stage II Hydropower Shaft

Mitsubishi TBM Breaks Through Parbati Stage II Hydropower ShaftA Mitsubishi-Boretec-NFM refurbished TBM has achieved the breakthrough of the second inclined pressure shaft of the Parbati stage ... More Information

Last TBM Breakthrough at Kárahnjúkar

Last TBM Breakthrough at KárahnjúkarThe third and last Robbins TBM at the main Kárahnjúkar headrace tunnel broke through its 11.5 km section on 5th December, 2006. The breakthrough marks ... More Information

Croatia Finalizes Construction of Zagreb-Macelj Motorway

Croatia Finalizes Construction of Zagreb-Macelj MotorwayThe Zagreb-Macelj motorway forms part of the European and Croatian road network between Zagreb and the Slovenian border in Macelj, ... More Information

Construction Starts on Marconi-Lingotto Section of Turin's Metro

Construction Starts on Marconi-Lingotto Section of Turin's MetroOn Monday 8th January, 2007 construction of section 2 Marconi-Lingotto on the Porta Nuova-Lingotto section of Turin's ... More Information

Construction of Jucar-Vinalopo Water Transfer Scheme to Start Soon

Construction of Jucar-Vinalopo Water Transfer Scheme to Start Soon The Spanish government repealed four sections of the Jucar-Vinalopo water transfer scheme a year and a half ago after ... More Information

DSI Acquires Alwag and ACI

DSI Acquires Alwag and ACIDSI (DYWIDAG Systems International) consolidates its existing tunnelling activities with the newly acquired companies Alwag Tunnelausbau Ges.m.b.H. (Alwag) of Austria and ... More Information

Arlaban Tunnel Breakthrough Unites Basque Provinces in Spain

Arlaban Tunnel Breakthrough Unites Basque Provinces in SpainBoring of the 3,377 m-long Arlaban tunnel (now named Isuzkitza) was completed on 28th December, 2006 thus uniting 1,300 metres that ... More Information

Sentvid Tunnel Nears Completion in Slovenia

Sentvid Tunnel Nears Completion in SloveniaThe Sentvid tunnel, which is currently under construction in Ljubljana, Slovenia is a section of the future highway between the Karavanke tunnel ... More Information

Construction in Full Swing at Malmö City Tunnel

Construction in Full Swing at Malmö City TunnelThe Öresund connection between Sweden and Denmark, a combination comprising both bridge and tunnel structures, was officially opened in July ... More Information

Longest Tunnel Breaks Through on Sweden's Bothnia Line

Longest Tunnel Breaks Through on Sweden's Bothnia LineThe 5.6 km Namntall tunnel, one of 16 such constructions on the Bothnia line and Sweden's longest railway tunnel, broke through on 30th ... More Information

Tunnelling Ends on the M-30 South Bypass in Madrid

Tunnelling Ends on the M-30 South Bypass in Madrid'Tizona', the world's biggest TBM with its twin 'Dulcinea', finished its job on 30th October, 2006 in the eastbound, south tunnel on the south ... More Information

Moutier Tunnel Breaks Through during Saint Barbara Day

Moutier Tunnel Breaks Through during Saint Barbara DayThe Moutier tunnel holed through on Monday 4th December, 2006 after a mass celebrated in honor of Saint Barbara, the patron saint of ... More Information

Steady Progress at Hallandsås

Steady Progress at HallandsåsAt the southern tunnel portal in Förslöv, commissioning of the 250 m-long TBM and its ancillary installations has been in progress since autumn 2005. ... More Information

2012 Olympic Games Powerline Tunnel Breaks Through in London

2012 Olympic Games Powerline Tunnel Breaks Through in LondonTunnelling work took a significant step forward with a scheduled breakthrough in one of the two tunnels being built to underground ... More Information

Lovat Readies TBM for Bosphorus Railway Tube Crossing in Istanbul

Lovat Readies TBM for Bosphorus Railway Tube Crossing in IstanbulThe Marmaray project in Istanbul will provide a fully upgraded commuter rail line, connecting Halkali on the European side with ... More Information

Second Tunnel Breakthrough at Castellanza

Second Tunnel Breakthrough at CastellanzaOn 18th November, 2006 the second tunnel for the project to sink underground the railway operated by Ferrovie Nord Milano through Castellanza, on the ... More Information

First TBM Breaks Through Metro Gold Line Eastside Extension in Los Angeles

First TBM Breaks Through Metro Gold Line Eastside Extension in Los AngelesA Herrenknecht machine dubbed 'Lola' has completed a 2.75 km tunnel for the USD898 million eastside extension of the ... More Information

BWARI Tunnel Breaks Through

BWARI Tunnel Breaks ThroughOn 25th October, 2006 the Jay Dee-Michels Pipeline Construction-Traylor joint venture broke through on the Big Walnut Augmentation/Rickenbacker Interceptor (BWARI) ... More Information

Second South Gotthard TBM Arrives in Faido

Second South Gotthard TBM Arrives in Faido Three years and eight months after starting out from Bodio in February 2003 and driving some 13.5 km of the west Gotthard base tunnel, the ... More Information

Third WBI International Short Course on Rock Mechanics, Stability and Design of Tunnels and Slopes

Third WBI International Short Course on Rock Mechanics, Stability and Design of Tunnels and SlopesAfter two successful events in the past two years, WBI International organizes on 23rd and 24th ... More Information

GBP371 Million Hindhead Tunnel Gets Green Light… at Last

GBP371 Million Hindhead Tunnel Gets Green Light… at LastThe long-running A3 tunnel saga may finally be drawing to a close after the Highways Agency revealed work could start next year and be ... More Information

Orica Buys Minova

Orica Buys MinovaExplosives, paint and chemicals firm Orica from Australia said it had signed an agreement to acquire UK-based chemical products maker Minova for a purchase price of AUD857 million ... More Information

Robbins TBM Will Challenge New Heights in the Andes

Robbins TBM Will Challenge New Heights in the AndesAssembly of a Robbins 5 m-diameter main beam TBM was completed in September 2006 for the Olmos trans-Andean project in Peru. Odebrecht ... More Information

Atlas Copco Launches an Improved 10t Underground Loader - the Scooptram® ST1030

Atlas Copco Launches an Improved 10t Underground Loader - the Scooptram® ST1030An improved electrical system, an EPA Tier 3 diesel engine and a new instrument panel represent the major ... More Information

Mont Sion Tunnel to Start Imminently in French Alps

Mont Sion Tunnel to Start Imminently in French AlpsThe A41 north stretch is the missing link on the A41 between Villy-le-Pelloux / Saint-Martin-Bellevue and Saint-Julien-en-Genevois in the ... More Information

Conference and Training Course on Safety in Tunnels

Conference and Training Course on Safety in TunnelsItaly today holds the world's main records regarding underground structures. Recently, risks have been increasing due to ageing tunnels while road ... More Information

Herrenknecht Tunnelling Systems Acquires Construction & Tunneling Services

Herrenknecht Tunnelling Systems Acquires Construction & Tunneling ServicesWith the common goal to provide optimal and thorough services to contractors and tunnelling projects in the North ... More Information

Internet Advertising Overtakes Magazines

Internet Advertising Overtakes MagazinesGuy Phillipson, CEO of the Internet Advertising Bureau www.iabuk.net has reported that spending on online advertising in the first half of 2006 has ... More Information

8th International Conference on Tunnel Construction and Underground Structures

8th International Conference on Tunnel Construction and Underground StructuresThe Slovenian Society for Underground and Geotechnical Constructions, the University of Ljubljana with the Faculty ... More Information

China International Symposium and Exhibition on High Speed Railway Tunnels

China International Symposium and Exhibition on High Speed Railway TunnelsAccording to statistics, 7,504 railway tunnels - with a total length of 4,305 km - were already in operation in China ... More Information

Madrid Completes All New Tunnels for its Metro Expansion

Madrid Completes All New Tunnels for its Metro ExpansionAll tunnelling required as part of the 2003-2007 expansion plan of the Madrid metro ended on 27th September, 2006 on Line 7 to east of ... More Information

Long Rock Bores Are a Good Match for Robbins MSBU

Long Rock Bores Are a Good Match for Robbins MSBURobbins announces its newest trenchless product, the Motorized Small Boring Unit (MSBU). The Robbins MSBU is a technically advanced type of ... More Information

Tunnels for Safer Roads in Mountainous South Tyrol

Tunnels for Safer Roads in Mountainous South TyrolThe Bolzano province in South Tyrol, Northern Italy has adopted an active policy to guarantee a safer road access to famous valleys like Val ... More Information

Upgrading the Orte-Falconara Rail Line

Upgrading the Orte-Falconara Rail LineThe Orte-Falconara line is one of the few transversal lines on the Italian rail network. It actually crosses the central Apennines from the Marche region ... More Information

Iceland TBMs Make a Strong Finish and Tie a World Record

Iceland TBMs Make a Strong Finish and Tie a World RecordThe Kárahnjúkar hydroelectric project includes approx. 72 km of tunnels that will transfer water to a powerhouse in the Fljótsdalur ... More Information

First Breakthrough on Andora-San Lorenzo al Mare Section on Genoa-Ventimiglia Line Dualling

First Breakthrough on Andora-San Lorenzo al Mare Section on Genoa-Ventimiglia Line DuallingOn 24th September, 2006 in San Bartolomeo al mare, next to Cervo torrent valley, tunnelling ended at ... More Information

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Tunnelling News

TUNNEL VISION Mega £7.4bn undersea tunnel connecting two CONTINENTS just got one step closer

A MAJOR £7.4 billion underwater tunnel connecting two continents has taken a step closer to construction. Experts have said the 24-mile tunnel is “technically viable”, paving the way for ... More Information

TBM breakthrough in Sydney

Tunnel boring machine (TBM) Jane Starkey successfully completed her 1.2km underground journey through challenging Sydney sandstone... More Information

Hochul announces $25 million for Harlem crosstown subway tunnel design

At E. 120th St., a pair of tunnel-boring machines — currently under construction in Germany — will bore new, 8,400-foot tunnels north from the end ... More Information

Tunnelling under the Yarra River

Our two Tunnel Boring Machines (TBMs) will soon be travelling underneath the Yarra River... Approximately 300 metres of the 6.5 kilometre North East Link will be under the Yarra ... More Information

The Boring Company says its tunneling machine is 'ready to mine in Nashville'

The Music City Loop project is aimed at transporting people from Nashville International Airport to Lower Broadway in roughly 10 minutes. By Li ... More Information

Norway Is Building the World's Longest and Deepest Tunnel Beneath the Sea

The Rogfast project, short for Rogaland Fixed Link, is an underwater road tunnel being built beneath Norway's fjords as part of the E39 coastal ... More Information

Future engineers become 'TBM Captains' for Suburban Rail Loop

Tunnel Boring Machines (TBMs) that will begin work this year. The tour of the eastern tunnel entrance was part of a long-term initiative, with ... More Information

Image gallery: Civil works completed on HS2's longest tunnel

Main construction on the Buckinghamshire structure began in May 2021 with the launch of two 2,000-tonne tunnel boring machines (TBMs), named Florence ... More Information

The Boring Company Launches Free Tunnel Contest: AI Applications for Smart Infrastructure

According to Sawyer Merritt on Twitter, The Boring Company has announced a contest to build a one-mile tunnel for free, inviting proposals for ... More Information

Out of sight: spectacular HS2 tunnels offer glimmer of hope for stalling project

Despite much soul-searching over UK’s inability to build infrastructure, two sections of HS2 under Chilterns are being hailed for their engineering... More Information

HS2 January 2026 update

We’re making progress building the main infrastructure for the new line. We’ve completed 80% of tunnelling and are working on major bridges, viaducts and embankments, and HS2’s new ... More Information

Implenia Secures EUR 350 Mln Projects For Bridges, Tunnel Works In Germany

Tunnel to join motorway sections and connecting roads. The Swiss construction and real estate company said the Peene Bridge project in Wolgast, ... More Information

Incredible new $7.9bn mega rail and road tunnel to be the world's longest

The safety of our workers is of utmost importance during the construction of the Fehmarn Belt Tunnel. We will await the findings of the ... More Information

TBM launch from Rukanpura soon as metro work gains pace

The tunnel boring machine (TBM) for the underground network is likely to be launched from Rukanpura on Bailey Road, which falls under Corridor I ... More Information

World's largest-diameter boring machine used for Yangtze River railway tunnel

China's domestically developed, world's largest-diameter vertical shaft boring machine 'Qiming' was officially put into operation in Taicang City ... More Information

HCMC approves sea-crossing route with undersea tunnel between Can Gio and Vung Tau

Ho Chi Minh City has approved a strategic proposal by Vingroup to construct a direct sea-crossing road connecting the Can Gio coastal urban area with Vung Tau beach town, cutting travel ... More Information

Changi Airport’s new underground link to take passengers from future T5 to T2 in 4 minutes

SINGAPORE – Passengers at the future Changi Airport Terminal 5 can expect to reach Terminal 2 in four minutes via the airport’s new underground link... More Information

SRL inspires TBM Captains - Victoria's Big Build

Tunnel Boring Machine (TBM) Captains. When SRL East opens in 2035 ... Construction of SRL East is powering ahead, with more than 3000 people ... More Information

Beneath winter's fjords: 17 miles of rock, 1300 ft deep

Rogfast tunnel construction beneath Norway's winter fjords, 17 miles long and 1,300 feet deep,. Credits: Ground Engineering. For years, the E39 ... More Information

Massive Sinkhole Opens Near $26 Billion Tunnel Project in Melbourne

A massive sinkhole has suddenly opened up in Melbourne near a major highway tunnel construction site, sparking safety fears and halting ... More Information

The world's longest expressway tunnel: China's Tianshan Shengli Tunnel

At the same time, the project also implemented China's first 'three-tunnel parallel construction' plan, which increased the number of workfaces. At ... More Information

'Not really where you want to be': Ground preparation for Lower Thames Crossing tunnelling

The Lower Thames Crossing is a major new road and tunnel project in the UK, intended to alleviate congestion at the Dartford Crossing and enhance. More Information

Funding problems affect metro line extensions

In the Athens metropolitan area, construction of Line 4 is continuing, with the Avax-Ghella-Alstom consortium saying the two tunnel-boring machines ... More Information

Transport Minister inspects progress on Cairo Metro Line 4 phase one

Four tunnel boring machines (TBMs) are in operation—two in each direction. According to the project timeline, the first TBM has reached the Grand ... More Information

Here's what happened with Toronto's Scarborough Subway Extension in 2025

SSE tunnelling, which began in January 2023, is being carried out with the largest tunnel boring machine (TBM) ever used on a Canadian transit project ... More Information

NHAI connects Tunnel No. 4 on Shimla bypass

NHAI PIU Shimla Project Director Anand Kumar, Bharat Construction ... The tunnel was constructed using the New Austrian Tunnelling Method (NATM) ... More Information

Mumbai-Ahmedabad Bullet Train Update: Palghar Tunnel Breakthrough Achieved

NHSRCL Bullet Train Project | India First Bullet Train Update: Last year, the Ministry of Railways achieved a breakthrough in the construction of ... More Information

Main tunnel works connecting future Changi Airport T5 to existing T2 completed

Main tunnel works connecting the future Terminal 5 to the existing Terminal 2 are completed, as the Changi East development gathers pace... More Information

Testing completed on Hudson River Tunnel boring machines

The project calls for construction of 9 miles of passenger-rail track between New York ... More Information

World's longest motorway tunnel finally opens in £3BILLION project

The Tianshan Shengli (Victory) Tunnel, located in the Tianshan Mountains of Xinjiang, China, measures some 22 kilometres – roughly 13.75 miles – and ... More Information

Cross-river tunnel of Nanjing Metro Line 4 Phase II completes tunneling

This photo taken on Dec. 27, 2025 shows the rear of the "Xinzhengcheng" tunnel boring machine at the construction site of Nanjing Metro Line 4 ... More Information

Tunnels Design and Construction Market is Going to Boom

HTF Market Intelligence projects that the global Tunnels Design and Construction market will expand at a compound annual growth rate (CAGR) of 6.80% from 2025 to 2032, from 72 Billion in ... More Information

Longest tunnel in the world costing £7billion will connect 3 European cities

The Brenner Base Tunnel is currently under construction and will connect the countries of Austria and Italy. The impressive tunnel, which is set ... More Information

Georgian Officials Mark Completion of Railway Modernization, Hoping to Boost Transit

The works also included the construction of the 8,300-meter dual-tube tunnel near Kvishkheti, 10 bridges, six tunnels, and around 100 engineering ... More Information

Israeli municipality approves budget for new tunnel project south of Jerusalem

The Jerusalem Governorate said that the project aims to connect the Har Homa settlement, built on Jabal Abu Ghneim land, to the Begin bypass road near ... More Information

Megaprojects Under Construction Around World In 2026

Described as the largest road tunnel in the U.K., the Lower Thames Crossing will link Tilbury in Essex via a tunnel underneath the Thames with ... More Information

Delhi Metro expansion: Cabinet approved Rs 12,015 crore project

The project, planned over a construction timeline of three years, will be executed largely underground using tunnel boring machines to minimise ... More Information

World's Longest Expressway Tunnel to Open, Linking North and South Xinjiang

Engineers used innovative methods and specially designed machines called tunnel boring machines (TBMs) to dig through hard rock faster and safer than ... More Information

The huge £21bn mega-tunnel that goes right through the middle of a mountain

Huge boring machines will create a 57.5km (35.7mile) tunnel through the Alps to connect French and Italian high-speed rail networks and link Lyon ... More Information