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Wirth Completes Shaft II in Sedrun for Gotthard Base Tunnel in Record Time

Wirth Completes Shaft II in Sedrun for Gotthard Base Tunnel in Record TimeThe breakthrough by a Wirth shaft boring machine of the tunnel floor level on 23rd June, 2003 marked another milestone at ... More Information

Crossrail Gets Green Light

Crossrail Gets Green LightThe UK government has given the go-ahead for the £10 billion Crossrail project that will link east and west London. But transport Secretary Alistair Darling has again ... More Information

Herrenknecht Reports Growth

Herrenknecht Reports GrowthHerrenknecht AG, in its 2002 Annual Report, has reported sales in excess of €300 million for the first time, consolidating its position as market leader in TBM ... More Information

Putzmeister Contribute to Building Taiwanese HSR in Record Time

Putzmeister Contribute to Building Taiwanese HSR in Record TimeA 345 km high speed railway is under construction in Taiwan between capital Taipeh and Kaohsiung in the south. Numerous Putzmeister ... More Information

Chancellor Schröder Inaugurates Germany's Longest Road Tunnel

Chancellor Schröder Inaugurates Germany's Longest Road TunnelChancellor Gerhard Schröder inaugurated on 5th July the nearly 8 km-long Rennsteig tunnel, Germany's longest road tunnel linking ... More Information

Mühlhäuser - world leader in transportation engineering

Mühlhäuser - world leader in transportation engineeringWesterschelde and Elbe highway tunnels; Athens, Singapore and Barcelona metros; Lesotho, New York and Isafahan water tunnels; ... More Information

Putzmeister and Sika Form Strategic Alliance

Putzmeister and Sika Form Strategic AllianceSika AG, Baar, Switzerland, a chemical specialities company, and Putzmeister AG, Aichtal, Germany have entered into a strategic global alliance in the ... More Information

Cat Launches 325 CCR Tunnel Excavator

Cat Launches 325 CCR Tunnel ExcavatorThe new 164 kw 35t Cat 325 CCR, with a swing radius of only 1.9 m, is designed specifically for tunnelling. It has a robust undercarriage, and a full size ... More Information

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

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