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Featured News

Third Robbins webinar schedule

The Robbins Company president Lok Home is hosting the company’s third webinar in mid-November, entitled Insight on Onsite Assembly: Why OFTA is Revolutionizing TBM Tunnelling. In ... More Information

Setronic ARGO at Expotunnel

Setronic Verona Srl is an ISO 9001:2008 certified company, specialized in design, manufacture and after sales service for optical beam smoke and fire detectors, opacity analyzer, calibrating and ... More Information

WTC2015 submission extended

By popular request, the deadline for abstract submissions for WTC2015 in Croatia has been extended to 01.11.2014. To date, more than 500 abstracts for WTC 2015 have been received, showing a strong ... More Information

Normet training simulators

For several years Normet Academy has used simulators as the vital part of service in hydraulic and automation, concrete spraying and scaling training programs for mining and tunnelling operators. ... More Information

Papers for Arabian Tunnelling Conference

For the second edition of the Arabian Tunnelling Conference in Abu Dhabi deadline to submit an abstract is 15 October 2014. The conference theme will be: Sustainable Tunnelling in GCC ... More Information

Ritchie Bros. breaks site records in Caorso, Italy

Ritchie Bros. Auctioneers, the world’s largest industrial auctioneer, held a record-breaking multi-million Euro auction at its site in Caorso, Italy on 02.10.2014. More than 1,360 ... More Information

Innovation in the construction of underground works

During ExpoTunnel, on October 23-24, the SIG - Italian Tunnelling Society has organized the international conference Innovation in the construction of underground works. Among the speeches on 23 ... More Information

Thimphu-Wangdue feasibility

The Thimphu-Wangdue road is classified as the primary national highway in Bhutan. Except for an undefined weak zone near the portal at Nabisa, the 10.5 km-long road tunnel road Yusipang in Thimphu ... More Information

Breakthrough in Bhutan

Excavation of the headrace tunnel from adit 1 to the de-silting chamber has been completed at Punatshangchhu-II HEP in Bhutan. The de-silting chamber helps clean up the raw water between intake and ... More Information

Invitation to Expotunnel

Expotunnel will be in Bologna, Italy from 23 to 25 October 2014, where tunnelbuilder team welcomes you to our stand D2-E1 in Hall 19. Fill out the registration form and you'll receive by email ... More Information

Caltanissetta in Sicily.

By 28.09.2014 EPB TBM Barbara (diameter 15.08 m, length 115 m) owned by consortium Empedocle 2, comprising CMC (leader), Tecnis and CCC, reached the 1 km mark driving the Caltanissetta tunnel on SS ... More Information

Bjornabakkane start

Metrostav and Havnen Anlegg have started drill/blast construction of the 1,565 m-long Bjornabakkane tunnel in Central Norway. The tunnel, commissioned by Statens vegvesen, will provide avalanche ... More Information

Northgate Link Extension update

Northgate Link Extension will connect the Northgate, Roosevelt and U District neighborhoods to downtown Seattle, US and the airport. A second TBM is beginning its 5.79 km journey from the Maple ... More Information

Robbins TBM in Queensland coalmine

In August, 2014 major progress was made at a coalmine in Queensland, Australia when a specialized Robbins Dual Mode EPB/Rock TBM was successfully rolled out after completing the first of two access ... More Information

Expotunnel on-line registration

The exhibiting companies and those that make up the Promotion Committee are working in the underground field in Italy and abroad with their innovative solutions. For example: Spea Ingegneria ... More Information

Sao Paulo green metro line 2 extension

The Sao Paulo, Brazil green metro line 2 extension will be a new 14.4 km-long section between Vila Prudente and Dutra stations, including 15 shafts, turnout tracks and the following 13 stations: ... More Information

Brenner Base Tunnel

Excavations on the Tulfes-Pfons construction lot began on 18.09.2014 with a solemn ceremony. The BBT project along the 9,000 km north-south corridor from Helsinki to La Valletta is very important ... More Information

Turin metro funding

On 18.09.2014 Piedmont Region and the company Infra.To signed the agreement for funding EUR35 million for the construction of the Lingotto-Bengasi section 4 of Line 1 of Turin metro. The section ... More Information

Indian tunnels progress

The Border Roads Organization (BRO) reported the construction of the 8.8 km-long Rohtang tunnel in the State of Himachal Pradesh, India is underway, with 4.4 km completed to date. Meantime, ... More Information

iBBT Project

On 12.09.2014 was held the final conference of the three-year Interreg Italy-Austria IBBT project on flooring, lining and innovative lighting for tunnels. The project, co-funded Interreg IV ... More Information

Reno-Alps corridor news

On 18.09.2014 the 4th International Corridor Reno-Alps Conference was held in Genoa, Italy. The Swiss Confederation aims to transfer freight from road to rail through the Lotschberg (opened in ... More Information

Power on the Fehmarnbelt link

The 18 km-long Fehmarnbelt tunnel with its electrified rail operation and a fully lit road tunnel requires the security of an uninterrupted power supply. It will have its own, major substation at ... More Information

Complimentary Robbins Web Seminar on Field Experience

The latest in the Robbins Webinar series is entitled Lessons Learned from the Field: the Greatest Challenges in TBM Tunnelling. The discussion is scheduled for one hour on Tuesday, 30th September ... More Information

Over 900 items for Caorso auction

Ritchie Bros next auction in Caorso, Italy is on Thursday 2nd October, 2014. Over 900 items are currently included in the inventory, and more will be added in the coming weeks. This wide variety of ... More Information

Biel bypass go-ahead

The Federal Council of Berne, capital of Switzerland, has approved construction of the western branch of Biel bypass, including the junction to the right bank of Lake Biel (port tunnel) and ... More Information

Expotunnel for Bologna

ExpoTunnel is dedicated to the world of tunnelling, drilling, mining, underground construction and research. Following a successful first show in 2013, the second edition will take place in Bologna, ... More Information

Australian conference imminent

The 15th triennial Australian Tunnelling Conference takes place in Sydney 17-19th September, with more than 80 technical papers due for presentation. ES Rubber, the manufacturer and international ... More Information

London power tunnels update

Contractors Costain Skanska JV recently completed the 3.4 km-long stretch of tunnel under the River Thames between Wandsworth and Earls Court using TBM Evelyn. This involved the twin challenges of ... More Information

Coguaro4 underground mixer

An underground concrete machinery open house dedicated to tunnelling machines was held in July at CIFA headquarters in Senago (MI). On the CIFA test field, which was set up for the occasion, ... More Information

Approval for wider Eppenberg

Datec has approved the FFS project for the widening to four tracks of the Olten–Aarau rail section, including the new 3 km-long Eppenberg tunnel. Work starts on the tunnel next spring. Value ... More Information

Opportunities at Qatar Rail

Middle East Rail convention takes place in Dubai 17-18 March, 2015. The CEO of Qatar Rail has given an overview of the 14-year plan for the construction of Qatar Metro’s complex tunnel design ... More Information

Terratec TBM ready for Istanbul

Terratec has handed over a factory tested, customized 6.56 m-diameter EPB with versatile electric drive cutterhead designed to excavate the mixed geology along the alignment of Istanbul metro in ... More Information

Huge CBE moulds for Wuhan

French supplier CBE Group will provide 30 segment moulds for a 15.2 m external diameter combined road-subway tunnel in Wuhan, China. Read the press release and visit www.cbe-tunnels.com. CBE ... More Information

Turkey motorway financing

The EUR457 million financing agreement for Phase 2A of the Gebze-Orhangazi-Izmir motorway in Turkey has been signed. This section includes the bi-tube Selcukgazi tunnel, length 1,037 m. Overall, the ... More Information

Transjura A16 section opened

A 9 km-long stretch of A16 motorway between Bure and Porrentruy was inaugurated and opened to traffic on 21.08.2014. The last link of the A16 connecting the canton of Jura with France, this highway ... More Information

Submission deadline extended

The deadline to submit abstracts for the WTC 2015 in Dubrovnik, Croatia from 22 to 28 May 2015 has been extended to September 15th. Visit http://wtc15.com. 36/14. More Information

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Tunnelling News

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

In pics: construction site of Chongming-Taicang tunnel

A smart assembling vehicle works at "Linghang" large diameter shield tunneling machine at the construction site of the Chongming-Taicang tunnel, part of the Shanghai-Chongqing-Chengdu ... More Information

IN PICTURES: Spectacular images of the removal of HS2's huge tunnelling machine

TBM Sushila was used to construct part of the Northolt Tunnel – an 8.4-mile tunnel ... construction/london-tunnels/progress-3/northolt-tunnel/tbm- ... More Information

Historic tunnels uncovered beneath Salisbury station during £5.3M upgrade project

Engineers from Network Rail and South Western Railway have uncovered a network of tunnels and rooms beneath Salisbury station during ongoing £5.3M upgrades to the station’s forecourt... More Information

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels

Massive $450m road project connecting Russia and Georgia with six bridges & five tunnels. The new road will pass through Georgia along a trade route ... More Information

Buca Metro Tunnel Excavations Reached 50 Percent Level

Important progress is being made in the construction of the line, where four tunnel boring machines (TBMs), each 100 meters long, 7 meters wide and ... More Information

'Very promising' narrow-reef boring technology nearing rollout stage

A novel tunnel boring machine (TBM) will open up Bokoni's narrow tabular dipping PGM orebody to allow narrow-reef boring to take place, so that ... More Information

A vast undersea tunnel is being built

The 7.4 billion-euro ($7.7 billion) project is a huge undertaking, in every sense. Each section of the tunnel is colossal. These concrete structures ... More Information

National Grid gets planning permission for Grain to Tilbury upgrade with new Thames tunnel

National Grid has secured full planning approval for the Grain to Tilbury project, which includes a new power tunnel under the River Thames... More Information

Right track tunnel of Huangjialing Tunnel in NW China's Gansu drilled through

A staff member works on the construction site of the right track tunnel of the Huangjialing Tunnel in Linxia Hui Autonomous Prefecture, northwest ... More Information

Shetland Islands tunnels plan takes 'huge step forward' with sonar investigations

This phase will further inform the project's development and feasibility. The tunnel project, seen by locals as pivotal for improving ... More Information

Construction of the Tarande tunnel begins next week

On March 17th, in Vilnius district Construction of a tunnel and other related infrastructure will begin at Taranda and Bukiškis. This project aims ... More Information

Delhi Metro's Golden Line achieves major tunnel breakthrough;

The construction of Delhi Metro's Golden Line achieved a major milestone on Thursday as the Tunnel Boring Machine (TBM) broke through at the ... More Information

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