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Overcoming Fault Zones at Bodio on Gotthard Base Tunnel

Overcoming Fault Zones at Bodio on Gotthard Base TunnelLot 452/554 between Bodio and Faido, in the south section of the Gotthard base tunnel, is built by consortium TAT, whose partners are Implenia, ... More Information

Lochkov Tunnel under Construction on Prague South Ring Road

Lochkov Tunnel under Construction on Prague South Ring RoadLot 514 Slivenec-Lahovice of the Prague ring road project is currently under construction. This 6,013 m project, which is located in ... More Information

Austrian and Italian Governments Sign in Vienna Memorandum on Brenner Base Tunnel

Austrian and Italian Governments Sign in Vienna Memorandum on Brenner Base TunnelAustrian Chancellor Alfred Gusenbauer, Italy's minister for infrastructure Antonio Di Pietro and the Austrian ... More Information

French-Swiss Cooperation to Build, Operate and Maintain a Cross-border Sewage Tunnel

French-Swiss Cooperation to Build, Operate and Maintain a Cross-border Sewage TunnelThe Canton and Republic of Geneva, Switzerland and the Community of municipalities of the Gex territory (CCPG) in ... More Information

Second Driverless Metro Line Opens in Toulouse

Second Driverless Metro Line Opens in ToulouseToulouse's second fully automatic metro line was inaugurated on Saturday 30th June, 2007 by Jean-Louis Borloo, France's minister for ecology, ... More Information

Record-breaking Robbins TBM Demolishes Rock at Kárahnjúkar

Record-breaking Robbins TBM Demolishes Rock at KárahnjúkarOn 25th June, 2007, a Robbins 7.23 m main beam TBM set its second world record in the 7 to 8 m size range while boring at ... More Information

Vedeggio-Cassarate Tunnel under Construction in Lugano, Switzerland

Vedeggio-Cassarate Tunnel under Construction in Lugano, SwitzerlandThe Vedeggio-Cassarate tunnel in Lugano, Switzerland is the first piece within Lugano’s transport plan. This big scheme ... More Information

Last Breakthrough at Grouft Tunnel in Luxembourg

Last Breakthrough at Grouft Tunnel in LuxembourgThe entrance of the Grouft rescue tunnel was holed through on 18th June, 2007 near the Lorentzweiler-Blaschette road, thus marking the last ... More Information

Work Finishes on Olympic Power Tunnel in London

Work Finishes on Olympic Power Tunnel in LondonConstruction of two tunnels to take power into the Olympic Park has been completed. Four Lovat TBMs dug the two 6 km-long bores, and despite a delay to ... More Information

Betuwe Line Starts Operating between the Netherlands and Germany

Betuwe Line Starts Operating between the Netherlands and GermanyQueen Beatrix of the Netherlands opened the Betuwe line on 16th June, 2007 at Barendrecht station where, besides the Betuwe line, four ... More Information

Preparatory Works at Allegheny River Tunnel in Pittsburgh Awaiting TBM Arrival in August

Preparatory Works at Allegheny River Tunnel in Pittsburgh Awaiting TBM Arrival in AugustThe work to prepare for Pittsburgh's first underwater tunnels is marching forward on schedule. Excavators, ... More Information

First Section of Pajares Tunnel is Completed

First Section of Pajares Tunnel is CompletedOf the five machines used to bore the Pajares high speed rail tunnels in Spain, the NFM Technologies 9.88 m-diameter hard rock tunnel boring machine ... More Information

First, West Mont Sion Tunnel Breaks Through in France

First, West Mont Sion Tunnel Breaks Through in FranceAfter eight months of tunnelling under the Mont Sion, Herrenknecht’s TBM dubbed ‘Adelaide’ has emerged to light on 12th June, 2007 at ... More Information

Loetschberg Base Tunnel Officially Opens

Loetschberg Base Tunnel Officially OpensThe Loetschberg rail tunnel has been officially opened by Swiss transport minister Moritz Leuenberger on 15th June, 2007. Leuenberger and other ... More Information

First LIRR's East Side Access TBM Arrived in NYC

First LIRR's East Side Access TBM Arrived in NYCLong Island Rail Road's East Side access project includes two new tunnels under Manhattan and Queens to connect with the existing 63rd Street tunnel ... More Information

Capilano-Seymour Water Project in Progress in Vancouver

Capilano-Seymour Water Project in Progress in VancouverWater from the Capilano reservoir will be pumped through a 3.8 m-diameter tunnel to the filtration plant in the Lower Seymour Conservation ... More Information

World's Biggest TBMs at Work at Yangtze Tunnel in China

World's Biggest TBMs at Work at Yangtze Tunnel in ChinaThe People's Republic of China is one of the most dynamic economic regions in the world. With its unprecedented growth, the country ... More Information

China's SHMG Takes Control of NFM Technologies amid Booming Domestic Market

China's SHMG Takes Control of NFM Technologies amid Booming Domestic MarketThe Lyon Commercial Court agreed upon the safeguard plan of NFM Technologies on 24th May, 2007. This plan will be approved ... More Information

Grands Goulets Tunnel Breaks Through in Gorges of Vercors

Grands Goulets Tunnel Breaks Through in Gorges of VercorsThe breakthrough of the Grands Goulets tunnel on 27th April, 2007 is a historical milestone for the economic development and the ... More Information

San Cristobal Tunnel Breakthrough in Santiago de Chile

San Cristobal Tunnel Breakthrough in Santiago de ChileThe San Cristobal tunnel will connect Huechuraba and Recoleta, two municipalities north of Santiago de Chile, with Providencia and Las ... More Information

South Tunnel on M-30 South Bypass Opens in Madrid

South Tunnel on M-30 South Bypass Opens in MadridAlberto Ruiz Gallardon, the Mayor of Madrid, inaugurated on 8th May, 2007 the south tunnel of the south bypass on the inner ring road, a 4.2 ... More Information

Andorra Completes Service Tunnel at Dos Valires

Andorra Completes Service Tunnel at Dos ValiresThe 2,870 m-long Dos Valires service tunnel broke through in the Principality of Andorra. The first blast took place on 19th October, 2005 and ... More Information

TBM Breaks Through Beacon Hill in Seattle

TBM Breaks Through Beacon Hill in SeattleA Mitsubishi Heavy Industries tunnel boring machine broke through the east side of Beacon Hill in the Seattle's south end a little after 8:15 a.m on ... More Information

Godwin Pumps at RETC

Godwin Pumps at RETCThe Godwin Dri-Prime® - an automatic self-priming centrifugal pump set available in sizes from 2" to 18" (50 mm to 450 mm) - has been proven in tunnel and shaft ... More Information

Third China International Tunnel and Underground Space Exhibition and Conference

Third China International Tunnel and Underground Space Exhibition and ConferenceThe Third China International Tunnel and Underground Space Exhibition and Conference, or Tunnel China 2007 as it is ... More Information

Martin Knights Elected President of ITA

Martin Knights Elected President of ITAAs widely expected, Martin Knights was elected president of the ITA at the recent Prague conference. Martin has 35 years post graduate civil engineering ... More Information

Bauma 2007 Sheds Light on Atlas Copco's E-series Drill Rig and New Roofex Bolt

Bauma 2007 Sheds Light on Atlas Copco's E-series Drill Rig and New Roofex BoltTo further enhance the success of Rocket Boomer E-series - Atlas Copco's new series of face drilling rigs for ... More Information

Two CSM Bessac TBMs at Work in Algiers

Two CSM Bessac TBMs at Work in AlgiersIn November 2001, the poor districts of Bab El Oued, Frais Vallon and Beau Fraisier on the western side of Algiers were struck by devastating floods and ... More Information

Seen at Bauma 2007

Seen at Bauma 2007At Bauma 2007 held in Munich, Germany on 23rd-29th April, manufacturers of machinery for tunnels and mines have put a lot of effort into easy assembly. Assembly times have ... More Information

ITA Presidency Battle Hots Up

ITA Presidency Battle Hots UpBallots for the next three years presidency of ITA will be cast on 5th May, 2007 at the ITA Assembly in Prague. A leading contender is Martin Knights of Jacobs ... More Information

Robbins-MHI EPBMs To Excavate Delhi Metro Extension

Robbins-MHI EPBMs To Excavate Delhi Metro ExtensionRobbins will team up with Mitsubishi Heavy Industries (MHI) to design and manufacture two 6.5 m-diameter earth pressure balance machines (EPBMs) on ... More Information

Bosphorus Tunnel Reaches Major Milestone

Bosphorus Tunnel Reaches Major MilestoneThe first immersed tube section of a new rail tunnel joining Europe and Asia was recently placed in a trench at the bottom of the Bosphorus Straits in ... More Information

Herrenknecht's Triple TBM Launch on Metro Lines in Athens, Sao Paulo and Budapest

Herrenknecht's Triple TBM Launch on Metro Lines in Athens, Sao Paulo and BudapestThree Herrenknecht TBMs have been put at work around the world in recent weeks to build three new metro lines ... More Information

Bauma Mining 2007, a Must-See Place for Tunnelling Professionals

Bauma Mining 2007, a Must-See Place for Tunnelling ProfessionalsThe 2007 edition of Bauma, the world fair for machinery for the building and construction, building materials and mining industries, ... More Information

Lovat’s Double Olympic Achievement in London and Vancouver

Lovat’s Double Olympic Achievement in London and VancouverTunnelling work on major infrastructure developments for the 2012 Summer Olympic Games in London and the 2010 Winter Olympics in ... More Information

Water Arrives in Kunming

Water Arrives in KunmingAfter nearly five years struggling with extremely difficult geological conditions, the official inauguration ceremony of the Zhangjiuhe River Water Diversion and Water ... More Information

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Tunnelling News

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

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