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Bolivia Inaugurates Misicuni Tunnel

Bolivia Inaugurates Misicuni TunnelThe 19.5 km trans-Andean tunnel to transport water from the Misicuni river in the Andes mountain range in Bolivia, the world's most infamous and slowest tunnel, ... More Information

Historic Tunnel Breakthrough at Loetschberg

Historic Tunnel Breakthrough at LoetschbergWorkers have blasted their way through the final metres of rock on 28th April, 2005 to pierce the 34.6 km Loetschberg rail tunnel, a key component of ... More Information

Tunnelling Equipment for Sale

Tunnelling Equipment for SaleA JV of Razel, Bouygues and Spie Batignolles TPCI sells a CSM Bessac TBM and associated equipment fabricated in 2001, used on the Blagis-Cachan sewer tunnel built for ... More Information

Two Atlas Copco L2 C Drill Rigs at Arlaban Tunnel

Two Atlas Copco L2 C Drill Rigs at Arlaban TunnelHighway AP-1 Eibar-Vitoria in Spain's Basque region spans 46.2 km, whereof 31.9 km in Gipuzkoa province and 14.3 in Alava province. The highway has ... More Information

NFM Technologies Wins Contract for 2 TBMs for Road Tunnel in Wuhan, China

NFM Technologies Wins Contract for 2 TBMs for Road Tunnel in Wuhan, ChinaNFM Technologies, part of the Wirth group, has been awarded a contract by the China Railway Tunnel Group for the design, ... More Information

Herrenknecht Extends Market Range with New Company Herrenknecht Vertical

Herrenknecht Extends Market Range with New Company Herrenknecht VerticalTo make the company ready for the future, Herrenknecht extends its technological and market range. The newly founded ... More Information

IPS to Supply TBM Specialists to Skanska Vinci JV for Hallandsas Tunnel

IPS to Supply TBM Specialists to Skanska Vinci JV for Hallandsas TunnelOn Friday 8th April, 2005, a Letter of Intent for the supply of TBM specialists has been signed between IPS and Skanska Vinci ... More Information

Third International Conference on Traffic and Safety in Road Tunnels to be Held in May

Third International Conference on Traffic and Safety in Road Tunnels to be Held in MayThe 3rd International Conference on Traffic and Safety in Road Tunnels - Developments and Trends in Equipment ... More Information

Model of Wirth TBM for Castellanza Tunnel on Exhibit at Samoter

Model of Wirth TBM for Castellanza Tunnel on Exhibit at SamoterIn Lombardy, Italy the Malpensa airport is connected to Milan by the Malpensa Express, operated by the private railway company Ferrovie ... More Information

NFM Technologies TBM Completes Tunnelling on First Metro Line in Turin

NFM Technologies TBM Completes Tunnelling on First Metro Line in Turin'Valeria', a second hand NFM Technologies TBM, broke through into Porta Nuova station on 19th March, 2005. This completes ... More Information

At last, tunnelbuilder in Italian!

At last, tunnelbuilder in Italian!Another milestone along the information superhighway has been reached with the launch of tunnelbuilder in Italian. Apart from its stand-alone status, the new ... More Information

First Boart Longyear-AMV Mining and Tunnelling Jumbos Ready for Industrial Production

First Boart Longyear-AMV Mining and Tunnelling Jumbos Ready for Industrial ProductionBoart Longyear and the Norwegian tunnelling equipment manufacturer Andersens Mek. Verksted (AMV) entered a year ... More Information

Sicily's A20 - more tunnel than motorway

Hall of FameSicily's A20 - more tunnel than motorway On 21st December, 2004 the 41.2 km Furiano-Castelbuono section was opened to complete the A20 Messina-Palermo motorway in Sicily, Italy. On the ... More Information

Full Success for CSM Bessac First EPB TBM

Full Success for CSM Bessac First EPB TBMJust less than nine months have been required to complete the last downstream section of the VL10 sewer, which will bring wastewater into the Valenton ... More Information

Italian Renaissance

Italian RenaissanceThe revival in the fortunes of the Italian tunnelling industry over the last ten years is remarkable, with some 100 projects now listed in the tunnelbuilder.com Archive. The whole ... More Information

Tunnels are Safer than Roads

Tunnels are Safer than RoadsAltogether, there are more than 200 km of tunnels on the Spanish road network and there are 70 km under construction or study. Technicians involved in tunnel ... More Information

Atlas Copco Strengthens Presence in Asia

Atlas Copco Strengthens Presence in Asia Atlas Copco has received approval from the Chinese Authorities to convert its 92% equity joint venture, Nanjing Atlas Copco Construction Machinery Ltd, into ... More Information

Real-Scale Fire Demonstration in Italian Tunnel

Real-Scale Fire Demonstration in Italian TunnelSince September 2002, motorway company Autostrada del Brennero has been taking part in the UPTUN (UPgrading of existing TUNnels) project, started ... More Information

Smopyc Becomes a Key Event

Smopyc Becomes a Key EventThe 13th edition of Smopyc, the international show of public works, construction and mining machinery, was held in Saragossa, Spain from 1st to 5th March, 2005. The event ... More Information

Long Rail Tunnel Holes Through in Japan

Long Rail Tunnel Holes Through in JapanThe last metre of bedrock marking the breakthrough of the Hakkoda tunnel was blasted on Sunday 27th February, 2005 at an official ceremony, drawing cheers ... More Information

Juan Carlos I Tunnel Breaks Through in Vielha

Juan Carlos I Tunnel Breaks Through in VielhaThe junction between the two drives of the new Vielha tunnel in Aran valley in the Spanish Pyrenees was made at 12:57 pm on 2nd March, 2005. The new ... More Information

Odebrecht Readies Wirth Double Shield TBM in Ecuador - ec/18

Odebrecht Readies Wirth Double Shield TBM in Ecuador - ec/18The San Francisco hydroelectric power project is located 15 km east of the town of Banos on the Pastaza river in central Ecuador. When ... More Information

Longest Horizontal Water Abstraction Well

Hall of FameLongest Horizontal Water Abstraction WellIn 2004 the precision horizontal directional drilling contractor Longbore drilled a 600 m-long blind well in London, UK using a directional ... More Information

Two Herrenknecht TBMs for the Jucar-Vinalopo Water Scheme

Two Herrenknecht TBMs for the Jucar-Vinalopo Water SchemeThe Jucar-Vinalopo aqueduct will transfer 80 million cubic metres of water a year from the Jucar river to the Upper and Medium Vinalopo, ... More Information

Fast and Safe at Brixlegg

Fast and Safe at BrixleggThe client, Brenner Eisenbahn, awarded a contract in May 2004 for the construction of the 3.5 km Brixlegg tunnel, which is part of the Lower Inn Valley railway in Austria. ... More Information

Skanska - behind the UK's most prestigious underground projects

Skanska - behind the UK's most prestigious underground projectsThe Tunnelling Division of Skanska UK Civil Engineering, incorporating the tunnelling activities of Cementation UK, is a most ... More Information

Wirth TBE Breaks Through First Uetliberg Tunnel in Switzerland

Wirth TBE Breaks Through First Uetliberg Tunnel in SwitzerlandWirth's Tunnel Bore Extender (TBE), an innovative tunnelling system, broke through the first bore of the Uetliberg tunnel on 1st ... More Information

Herrenknecht TBM Breaks Through DTSS Tunnel T-05 in Singapore

Herrenknecht TBM Breaks Through DTSS Tunnel T-05 in SingaporeSembcorp Engineers and Constructors successfully completed the 12.3 km Kranji tunnel as part of Contract T-05 for the Public Utilities ... More Information

New Record for NFM Technologies TBM

New Record for NFM Technologies TBM'Besi', the 11.95 m-diameter TBM supplied by NFM Technologies (Wirth Group) for the excavation of Line 9 of the Barcelona metro, has just established a new world ... More Information

Low Road to Orkney - a ferry story

Theatre of DreamsLow Road to Orkney - a ferry storyProposals to build a 11.2 km long subsea tunnel across the Pentland Firth linking Orkney to the Scottish mainland were presented to the Orkney ... More Information

Barcelona Metro Service Tunnel Collapses

Barcelona Metro Service Tunnel CollapsesOn 27th January a major collapse occurred on a 233 m-long service tunnel under NATM construction as part of line 5 extension to Spain's Barcelona metro, ... More Information

Testing Verifies Creep Resistance of Steel Fibre Concrete

Testing Verifies Creep Resistance of Steel Fibre ConcreteAs a world leader in steel fibre technology, Bekaert operates a fully serviced concrete laboratory capable of testing all types of fibre ... More Information

Microtunnelling System For Immediate Sale

Microtunnelling System For Immediate SaleUsed Herrenknecht AVN 500 microtunnelling system for sale with 665 mm-diameter machine and range of additional equipment, from job site in Ventspils, Latvia. ... More Information

Robbins Breakthrough in Singapore

Robbins Breakthrough in SingaporeOn 26th January, 2005 Robbins 4.3 m-diameter double shield TBM 1413-301 broke through in Singapore. This completed the excavation of the second and final tunnel on ... More Information

European Commission Grants EUR620 Million to Major Transport Infrastructure Projects

European Commission Grants EUR620 Million to Major Transport Infrastructure ProjectsThe European Commission has just granted EUR620 million for the assessment and construction of trans-European ... More Information

Atlas Copco Drill Rigs for Tunnels in Mecca

Atlas Copco Drill Rigs for Tunnels in MeccaAtlas Copco has supplied seven drill rigs for the construction of four motorway tunnels to ease the movement of the millions of pilgrims who visit Mecca ... More Information

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Tunnelling News

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

Rome digs deep for railway that burrows beneath the Colosseum

Tunnellers used lasers to check whether ancient columns at the nearby Forum were not wobbling as their 300ft long tunnel boring machine churned ... More Information

World’s largest-diameter high-speed railway shield tunneling machine reaches milestone

The world's largest-diameter high-speed railway shield tunneling machine independently developed by China, “Linghang,” for the Chongming-Taizhou ... More Information

Third circuit on £1bn London Power Tunnels 2 project energised

Electricity has begun flowing through a new section of National Grid's London Power Tunnels 2 (LPT2) project after the energisation of a ... More Information

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