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Featured News

Robbins’ VP Joe Roby on cutting tools

Robbins hopes to see you at stand 26 at the Queen Elizabeth II Conference Centre during the BTS conference in London from October 23-24th, More Information

New website for ES Rubber

New website for ES Rubber

Since 1968, ES Rubber has designed, developed and manufactured superior rubber solutions for global industries. More Information

Terratec delivers number six TBM

Terratec delivers number six TBM

TBM manufacturer Terratec has now delivered six of the eight TBMs ordered for Delhi Metro Phase 3. More Information

40th birthday for Seven Service!

40th birthday for Seven Service!

In 2013 Seven Service Srl celebrates 40 years of activity in the business of industrial paints, road markings and road barriers assembly, production of signs, More Information

Geodata increases its presence

Geodata increases its presence

Austria-based monitoring, surveying and IT company Geodata has taken a foundation sponsorship at tunnelbuilder.es, More Information

Waterview TBM to launch

Waterview’s 2.4 km-long twin tunnels, up to 45 m beneath Avondale and Waterview, both three lanes wide, are the key feature of the new six-lane, 4.8 km-long motorway being built for the More Information

San Daniele tunnel opens

On 28.09.2013 the second lot of Ora ring road opened to traffic, including the 1,062 m-long San Daniele tunnel. More Information

Work starts at Forlanini station

On 26.09.2013 the company SP M4 Scpa, composed by Impregilo Spa, Astaldi SpA, Ansaldo STA SpA, Ansaldo Breda SpA, Azienda Trasporti Milanesi SpA and Sirti SpA More Information

ES Rubber at City Build

ES Rubber at City Build

ES Rubber, producers of engineered sealing solutions for tunnels around the world, will be exhibiting at City Build, Moscow 15-17th October, 2013. More Information

Savona TBM making ready

Savona TBM making ready

Work has started on assembling TBM Lucia, which will drive the 3.9 km tunnel for the national road SS 1 Nuova Aurelia, access to the Savona harbour. More Information

Finally, Hallandsas breakthrough

Finally, Hallandsas breakthrough

On 04.09.2013 the TBM Asa had its final breakthrough on the north side of Hallandsas, completing the second 8.7 km-long tube for the double-track railway tunnel. Opening for traffic is expected in 2015. More Information

High exposure at minimum cost

The key to Internet advertising is high exposure to qualified readers, something that is guaranteed at tunnelbuilder websites. More Information

Restoration of Biassa rail tunnel

On 13.10.2013 restoration of hydraulic functionality of the platform floor will begin in the 3.8 km-long Biassa tunnel, between Riomaggiore and La Spezia on the Genova-La Spezia railway line. More Information

Infra India conference

The 2013 Infra India conference takes place in Mumbai, 12-13th December, supported by tunnelbuilder as official media portal. More Information

Flakt Woods at Milan metro

Flakt Woods at Milan metro

Flakt Woods provided two high-efficiency axial JM Aerofoil fans, diameter 1,400 mm, for ventilation during the construction of the new 1.8 km-long Sesto FS-Cinisello/Monza More Information

Femern to submit German application

Femern A/S has now completed a 10,000pp application to build a fixed link across the Fehmarnbelt. More Information

Big Australian order for NFM

Big Australian order for NFM

NFM Technologies has received an order to supply four 6.99 m-diameter hard rock TBMs to the North West Rail Link in Sydney, Australia. More Information

Datwyler reliable sealing systems

Datwyler reliable sealing systems

Datwyler has taken a foundation sponsorship at tunnelbuilder.es, the Spanish-language edition of tunnelbuilder.com aimed at Spanish-speaking tunnelling engineers working in countries across the globe. More Information

tunnelbuilder readership

The number of visitors to tunnelbuilder websites exceeded 620,758 in the past 12 months, with tunnelbuilder.com alone averaging more than 1,000 visitors/day. More Information

CIFA and Zoomlion celebrate

CIFA and Zoomlion celebrate

CIFA has celebrated its 85th anniversary and the fifth anniversary of its acquisition by Zoomlion Group. On 12.09.2013 CIFA officially opened its renovated Senago headquarters and production building More Information

Second Gotthard tube

On 13.09.2013 the Swiss Federal Council sent to Parliament a proposal amending the Federal Law on road transit in the Alpine region to allow the construction of a second tube for the Gotthard tunnel without increasing capacity. More Information

PPS guidance for the world

PPS guidance for the world

PPS has taken a foundation sponsorship at tunnelbuilder.es, the Spanish-language edition of tunnelbuilder.com aimed at Spanish-speaking tunnelling engineers around the world. More Information

Maddalena survey tunnel

Maddalena survey tunnel

Assembly of the TBM is underway on the site of La Maddalena in Val di Susa, Italy. Excavation of the first 200 m of the 7.5 km-long survey tunnel of La Maddalena More Information

London Power Tunnels

The latest milestone in Costain’s EUR230 million contract on National Grid’s London Power Tunnels project, which is being constructed with Skanska, More Information

More work on Granada motorway A7

The Board of Ministers authorized additional work for the Almunecar (Taramay) - Salobrena (Lobres) section on the motorway A7, in the province of Granada, estimated value EUR30.12 million. More Information

tunnelbuilder archive

The tunnelbuilder archive is a unique reference of 15 years’ operations in the global tunnelling industry, covering short and long projects from inception to completion, More Information

Big NFM EPB docks in Sicily

Big NFM EPB docks in Sicily

The largest parts of the EPB TBM built by NFM in France have arrived by ship in Porto Empedocle, in the province of Agrigento. More Information

Putzmeister at PeruMin

Putzmeister at PeruMin

Putzmeister is exhibiting at the Mining Technology Exhibition hosted by PeruMin at Arequipa 16-20th September, 2013. More Information

CBE a step ahead in China

CBE a step ahead in China

CBE Group is present in 18 Chinese cities and with a manufacturing plant in Yangling. More Information

Gerald Karch heads Putzmeister

Germany-based concrete and mortar technology specialist Putzmeister has appointed Dr Gerald Karch as CEO to succeed Norbert Scheuch. More Information

News from Sluiskil

On 08.08.2013, 11.34 m-diameter Herrenknecht TBM Boorbara began excavation of the south tube of Skuiskil tunnel under the Ghent-Terneuzen canal. Excavation of the north tube, which started on 27.01.2013, ended mid-May. More Information

Eurasia tunnel excavation schedule

For driving the Eurasia tunnel beneath the Bosphorus, Turkish-South Korean construction consortium Yapı Merkezi Insaat ve Sanayi AS/SK Engineering & Construction ordered a specially developed 13.6 m-diameter Herrenknecht TBM Mixshield. More Information

Marti chooses Sandvik for Solbakk

Marti chooses Sandvik for Solbakk

Marti Group will employ four intelligent computer-controlled Sandvik DT1 series jumbo drilling rigs at 14.3 km-long Solbakk tunnel, the world’s longest subsea road tunnel More Information

Railworld summit in Bangkok

For those who like railways, metros and tunnels, the ninth Railworld Summit takes place in Bangkok, Thailand 23-25th October, 2013. More Information

BTS London conference

The British Tunnelling Society conference and exhibition is billed as the UK tunnelling event of the year, with over 50 booths sold. More Information

Australian conference call

Call for papers for the fifteenth edition of this triennial event to be held at Hilton Hotel, Sydney 17-19th September, 2014. More Information

Tunnelling News

Europe's $45BN Mega Tunnels through the Alps

Discover the record-breaking network of tunnels being constructed beneath the Alps. This video explores the top 6 longest tunnels in the region, .. More Information

AFRY secures contract for Switzerland's Twann Tunnel project

Construction oversight of the Twann Tunnel in the country. The tunnel on the Lake of Bienne is intended to ease traffic congestion in Twann by ... More Information

Line 5 Tunnel Project: Public comments now open for proposal to build under Straits of Mackinac

"The purpose of the project is to facilitate the construction of a tunnel beneath Lake Michigan bottomlands to replace the Line 5 dual pipelines ... More Information

ECRL Breakthrough: Genting Tunnel Becomes SEA's Longest Rail Tunnel

Genting Tunnel's construction used both Tunnel Boring Machines (TBM) and traditional drill-and-blast methods. The TBMs, built in China and ... More Information

Sydney tunnel factory creates 700 manufacturing jobs

The factory will support two of the largest tunnel boring machines (TBMs) in the Southern Hemisphere, set to arrive later this year. Once ... More Information

2.7 km Breakthrough Achieved in Bullet Train Tunnel

The tunnel also features a 7-kilometre undersea stretch beneath Thane Creek, a first of its kind in India. To ... More Information

Australian-first Sydney tunnel fabrication facility opens

The tunnel boring machines are expected to arrive in Sydney later this year, before being assembled deep underground below Birchgrove. They will ... More Information

ECRL Breakthrough: Genting Tunnel Becomes SEA's Longest Rail Tunnel

Genting Tunnel's construction used both Tunnel Boring Machines (TBM) and traditional drill-and-blast methods. The TBMs, built in China and ... More Information

4000-tonne machines dig arterial route under Melbourne's west

The West Gate Tunnel Project is in full swing beneath Melbourne's inner west, with tunnel boring machines (TBMs) Bella and Vida at the helm... More Information

Gotthard drilling machine gets no further - now it has to be blown up

Forced break in the Gotthard road tunnel: After 190 meters, the drilling machine working on the second tube has come to an end for the time being... More Information

Construction begins on 6 Cross Island Line Phase 2 stations

Tunnel Boring Machine measuring 12.8m in diameter. The machine will “bore through the ground only once for the construction of the tunnel which ... More Information

Tunnel boring machine returns after installing $22 million outfall

A 19.5 tonne tunnel-boring machine docked at Onehunga Wharf on Friday afternoon after successfully tunnelling the $22m Clarks Beach Outfall over ... More Information

Scarborough Subway Extension tunnelling progresses following maintenance stop

The remaining portion of the tunnel will be delivered by Scarborough Transit Connect, the development partner for the project's stations, rail and ... More Information

World's Deepest Underwater Tunnel to Have Cars Drive 16 Miles Under the Sea

Norway is building what is to become the longest and deepest road tunnel under the sea. The Rogfast project, measuring 26.7 kilometers (about 16.5 ... More Information

Tunnelling underway for National Grid’s 3.4km power tunnel in Snowdonia

The tunnel boring machine (TBM) Buddug has commenced excavation of National Grid’s 3.4km power tunnel in Wales’ Eryri National Park, otherwise known as Snowdonia. The tunnel is part of ... More Information

CPK signs contract for construction of HSR tunnel in Łódź

The contract for the construction of a 4.6 km long, 14-metre wide High-Speed Rail (HSR) tunnel will be carried out by construction company PORR. The project is valued at approximately PLN ... More Information

Underneath the busy Baltimore streets, the Howard Street Tunnel gets its makeover

A squad of construction workers descend daily under the streets of Baltimore. They labour deep down, in the semi-secret and highly restricted ... More Information

London Power Tunnels Milestone

We're thrilled to announce that our second 2.5km high-voltage circuit between Hurst and Crayford is now live. This £1 billion project is rewiring London, strengthening energy supply, and ... More Information

U.S. Tunneling Professionals Convene in Dallas at RETC 2025

The event drew approximately 1,400 people. Another highlight of the conference was the presentation of the now annual Underground Construction ... More Information

Construction of NY and NJ GatewayTunnel hits halfway mark

People are looking down at the ground from the Highline on Manhattan's West Side. Some parts of the new train tunnel structure ... More Information

Silicon Valley BART extension seeks new tunneling contractor

Silicon Valley BART extension seeks new tunneling contractor for construction. Maguire told reporters during a briefing Monday morning. He noted that VTA is trying to fill a $1.2 billion ... More Information

Tunneling In The Digital Age: Rethinking Subsurface Infrastructure

But successful construction is just the start of the journey. Underground infrastructure is a long-term investment—just look at the London Underground ... More Information

Sydney Moves Forward with Final Tunnelling for Harbour Project

Sydney prepares for the arrival of the largest TBMs in the Southern Hemisphere as the Western Harbour Tunnel project enters its final tunnelling ... More Information

Metrolinx seeks help to name 2 of its massive Ontario Line tunnel digging machines

Metrolinx is now accepting names for two of its giant tunnel boring machines (TBMs), which will be used for twin 16-metre-deep and six-kilometre-long ... More Information

Deutsche Bahn awards contract for Munich S-Bahn project

The contract involves structural works for the expansion, including the construction of tunnels and an underground station. The Tunnel Ostbahnhof JV, ... More Information

Excavation completed on Italian side of Brenner Base Tunnel

The tunnel boring machine (TBM) named “Flavia” successfully bored through the Alps beneath the Mules 2–3 section, reaching the Austrian border. More Information

Giant tunnel borer set for Shantou Bay project

A giant tunnel boring machine has been installed for tunnelling under Shantou Bay in Shantou, South China's Guangdong province. [Photo provided to ... More Information

€0.4bn road and tunnel project in Georgia

Work is proceeding on the Kvesheti-Kobi road and tunnel scheme in Georgia. The scheme is part of a larger project, being carried out with Chinese ... More Information

Lahore to transform with Rs49 billion tunnel boring project

Pakistan, April 27 -- The federal government has approved Lahore's Rs49 billion Tunnel Boring Project, marking a major development for the city... More Information

Construction at Cleveland Hopkins International Airport

The 2,100-foot-long tunnel connects the terminal to parking facilities and the tramway leading to the RTA public rail line. During the project, two of ... More Information

AFFHOLDER AND J.F. SHEA TEAM UP ON $700 MILLION CONTRACT

The tunneling subsidiary, Affholder LLC, will lead a joint venture with J.F. Shea Construction, Inc., to build the I-35 Capital Express Central ... More Information

Factory Testing Complete on DC Water's first tunnel boring machine for the Potomac River

Mary passed all the necessary requirements and is one of two TBM's on the project. The tunnel is part of DC Water's Clean Rivers Project, to ... More Information

Work on Chennai Metro tunnel racing to a finish

The machine Flamingo, which started boring in 2023 for the tunnel linking Light House with Thirumayilai, is expected to reach the other end in ... More Information

CPK awards contract to build high-speed rail tunnel in Lodz, Poland

The tunnel, to be constructed using a tunnel boring machine (TBM), will have a ... More Information

Inside HS2: Meet London's miners working on the Northolt tunnels

We are on a tunnel boring machine (TBM) inside High Speed Two's huge Northolt tunnels. These tunnel boring machines are part of a tunnelling ... More Information

Ontario Begins Construction Of Last Tunnel Segment Of The Eglinton Crosstown West Extension

The remaining eastern portion of tunnel construction (500-meter twin tunnels) will use the sequential excavation method, with daily progress of ... More Information

Norway is building the world's longest and deepest subsea road beneath its fjords

We have subsea road tunnels which have that construction. And the new tunnel between Germany and Denmark, there they are laying down cases and put ... More Information

CERN releases report on the feasibility of a possible Future Circular Collider

The estimated cost of construction of the FCC electron–positron stage, including the tunnel and all the infrastructure, is 15 billion Swiss francs... More Information

TBM break through on Auckland's £915M wastewater megaproject completes 16.2km tunnel

Auckland's major wastewater infrastructure project, the Central Interceptor, has reached a significant milestone with the final breakthrough of ... More Information