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Goodbye WT, hello TTC!

Goodbye WT, hello TTC!April edition of World Tunnelling magazine was the last of the series, and the title has closed after some 150 issues. Launched in March, 1988, WT was well-received by both ... More Information

Sandvik Tamrock Wins Order for Tunnelling Jumbos - cn/61

Sandvik Tamrock Wins Order for Tunnelling Jumbos - cn/61Sandvik Tamrock has signed a supply contract with the Leighton-Kumagai JV to deliver five new Tamrock Axera tunnelling jumbos for Route 8 ... More Information

Four Cat 330C HD Special Application Excavators on the World's Longest Tunnelling Project

Four Cat 330C HD Special Application Excavators on the World's Longest Tunnelling ProjectThe Sedrun intermediate adit is one of the most spectacular sections of the 2 x 57 km Gotthard base tunnel in ... More Information

France and Italy Sign Lyon-Turin High Speed Rail Link Agreement

France and Italy Sign Lyon-Turin High Speed Rail Link AgreementFrance and Italy on 5th May signed an agreement on the financing of a EUR12 billion transalpine high speed rail link between the cities ... More Information

Austria and Italy Sign Agreement on Brenner Base Tunnel

Austria and Italy Sign Agreement on Brenner Base TunnelHubert Gorbach, the Austrian deputy chancellor and minister for transport, innovation and technology, and Pietro Lunardi, Italy's minister for ... More Information

EU Welcomes New TEN Guidelines

EU Welcomes New TEN GuidelinesThe European Parliament and Council adopted 30 priority projects of the Trans-European transport Network (TEN) on 21st April, a few days before the enlargement of the ... More Information

Lovat Launches TBM in Singapore

Lovat Launches TBM in SingaporeDowner Engineering has launched a refurbished 6.15 m-diameter Lovat TBM, model RMP242SE Series 18500, for the Singapore cable tunnel contract C302, section from West ... More Information

Annual Tunnel Test Results Disclosed as EU Adopts New Directive on Safety

Annual Tunnel Test Results Disclosed as EU Adopts New Directive on SafetyADAC, the German motoring club, has presented the results of its sixth annual tunnel test survey since 1999. This year's ... More Information

Three Killed, One Missing at Singapore Metro Collapse

Three Killed, One Missing at Singapore Metro CollapseThree workers, one Malaysian, one Chinese and one Singaporean, have been killed on 20th April at a metro collapse on a Circle Line worksite in ... More Information

Eurotunnel Sells TBM as French Board is Appointed

Eurotunnel Sells TBM as French Board is AppointedAn Howden TBM used to build the Channel tunnel that links the south of England and France has been sold by online auction site eBay. The 580t machine ... More Information

Safer European Road Tunnels

Safer European Road TunnelsThe European Parliament will vote on 20th April a second reading recommendation on proposals to improve the safety of tunnels on the trans-European road network. The ... More Information

Berlusconi Attends Groundbreaking Ceremony of Base Tunnel on Bologna-Florence Motorway - it/21

Berlusconi Attends Groundbreaking Ceremony of Base Tunnel on Bologna-Florence Motorway - it/21Italian Premier Silvio Berlusconi and minister for infrastructure and transport Pietro Lunardi ... More Information

Kranji Tunnel Breaks Through in Singapore

Kranji Tunnel Breaks Through in SingaporeA Herrenknecht 4.88 m-diameter EPB TBM, machine S-171, has successfully completed the 4.8 km south drive of the Kranji tunnel as part of Contract T-05 for ... More Information

Atlas Copco Launches Super-fast 30 kW Hydraulic Rock Drill COP 3038

Atlas Copco Launches Super-fast 30 kW Hydraulic Rock Drill COP 3038Atlas Copco took Bauma by storm with the unexpected announcement of the launch of its super-fast COP 3038 hydraulic rock drill. ... More Information

Bauma Mining Reflects Dynamism of Mining and Tunnelling Sectors

Bauma Mining Reflects Dynamism of Mining and Tunnelling SectorsFrom 29th March to 4th April 2004, 514 manufacturers out of a total of over 2,740 companies from 48 countries exhibited their mining ... More Information

Improved TBM Guidance System

Improved TBM Guidance Systemtacs gmbh, specialist manufacturer of TBM guidance systems, has extended its acs guidance system software to integrate the geological profile and plan view of the ... More Information

First TBM Being Assembled for SMART Scheme in KL

First TBM Being Assembled for SMART Scheme in KLThe Stormwater Management and Road Tunnel (SMART) project is a flood mitigation project being implemented by the government of Malaysia. During ... More Information

Hybrid from Swellex

Hybrid from SwellexThe newly- announced Swellex Hybrid rockbolt combines the pre-tensioning capabilities of Swellex with the grouting convenience of MAI SDA to provide immediate, long-term support. ... More Information

Hsuehshan Tunnel Breaks Through

Hsuehshan Tunnel Breaks ThroughTaiwan's minister of transportation and communications Lin Ling-san pushed a button to detonate explosives, clearing away the final 2.8m of rock of the westbound tube ... More Information

AUA Awards for 2004

AUA Awards for 2004The American Underground Construction Association will present the following awards during its NAT 2004 conference in Atlanta, GA from 17th to 21st April:Outstanding Individual in ... More Information

VMT Celebrates 10th Anniversary at Bauma

VMT Celebrates 10th Anniversary at BaumaWhile Bauma celebrates its 5th decade, VMT is entering its 2nd decade, having been formed in April, 1994. The company started in survey technology, supplying ... More Information

New TBM Record at Amsteg

New TBM Record at AmstegAt end February, 2004 about 25% of all the 153 km of shafts, cross passages and tunnels have already been excavated at the Alptransit Gotthard tunnel in Switzerland.At ... More Information

Guadarrama Tunnels are 50% Complete

Guadarrama Tunnels are 50% CompleteThe four TBMs have bored half of the twin tunnels under Sierra de Guadarrama on the high speed line from Madrid to Valladolid via Segovia. At end-January 2004, ... More Information

Technical Seminar on TBMs

Technical Seminar on TBMsIIR Spain organises a technical seminar on the necessary steps in the selection of a TBM to get a maximum return on investment, estimate with a 100% accuracy the project ... More Information

Hunter Personnel - More positions on tunnelbuilder.com

Hunter Personnel - More positions on tunnelbuilder.comJoining a growing list of human resources specialists to be seen on the tunnebuilder web-site, Hunter Personnel was established in 1976, and ... More Information

Häny Grouting Systems - Simple and Reliable

Häny Grouting Systems - Simple and ReliableSwiss-based Häny is one of the best-known names in grouting, having researched and developed equipment suited to many of the current techniques. The ... More Information

Stonehenge Tunnel Inquiry Opens amid Claims for Longer Project

Stonehenge Tunnel Inquiry Opens amid Claims for Longer ProjectA public inquiry has opened on 17th February into a plan to build a road tunnel under Stonehenge, the famous circle of megalithic ... More Information

Swiss Reject Second Gotthard Road Tunnel

Swiss Reject Second Gotthard Road TunnelSwiss voters rejected on 8th February a proposal to expand roads to ease Alpine bottlenecks, including the addition of a second tunnel under the Gotthard ... More Information

Announcing Atlas Copco Drilling Solutions Division

Announcing Atlas Copco Drilling Solutions DivisionBob Fassl has been appointed President of Atlas Copco Drilling Solutions division, a newly-formed division within Atlas Copco's Construction and ... More Information

AlpTransit Rail Tunnels Exhaust Credit Line

AlpTransit Rail Tunnels Exhaust Credit LineThe construction of the two transalpine rail tunnels across the Loetschberg and St Gotthard in Switzerland will be more expensive than planned. A ... More Information

IPS at Bauma

IPS at BaumaIPS, the highly-skilled personnel specialist for maintenance and operation of TBMs, handwork, NATM, separation plants and shotcreting, will be present at the Bauma exhibition, Hall 3C ... More Information

Kawasaki TBM Breaks Through CTRL Tunnel to King's Cross Station

Kawasaki TBM Breaks Through CTRL Tunnel to King's Cross StationA Kawasaki Heavy Industries tunnel boring machine broke through at King's Cross in London on 27th January, 2004 completing ahead of ... More Information

Atlas Copco at Bauma 2004

Atlas Copco at Bauma 2004 The Atlas Copco Bauma display, located in the outdoor area, Block 1110, will feature computer-controlled drilling rigs for both surface and underground work; unique ... More Information

Wirth TBM Breaks Through CTRL Tunnel Section

Wirth TBM Breaks Through CTRL Tunnel SectionOn 3rd December, 2003 the first Wirth TBM of the Channel Tunnel Rail Link project broke through after record time. It took only 299 days to drive 4.7 km, ... More Information

Lovat Holes Through in Turin

Lovat Holes Through in Turin'Valentina', the first launched Lovat Earth Pressure Balance shield to excavate lot 3, between Fermi and Pozzo Strada (2,632 m), on the first metro line in Turin, Italy ... More Information

NFM Technologies TBM Breaks Through Green Heart Tunnel in the Netherlands

NFM Technologies TBM Breaks Through Green Heart Tunnel in the NetherlandsThe biggest diameter TBM ever built in the world, 14.87 m in diameter with a weight of 3,520 tons, broke through ahead of ... More Information

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Tunnelling News

$676 million underwater tunnel for India

The project is expected to cost around $676 million, with a Detailed Project Report (DPR) having now been completed. India's road transport network is ... More Information

€1.4 billion Belgian tunnel project approved

The first phase of the €1.4 billion project for Belgium’s new Limburg Noord-Zuid link has been approved. Construction should commence in 2027 on the project, which will form a section of ... More Information

Tunnel boring machine S-639B achieves breakthrough under Kanpur Metro Phase I Project

The package KNPCC-06 involves design and construction of a tunnel through TBM, cut and cover tunnel, underground ramp from Kanpur Central end of ... More Information

Lawmakers propose construction of undersea tunnel to link Luzon and Visayas

Several lawmakers from the Visayas region are proposing the construction of an underground tunnel that will serve as a permanent land connection ... More Information

Oman-UAE rail project hits major milestone with start of tunnel excavation

Tunnel excavation has begun in Oman's Al Hajar Mountains, marking a major milestone for the cross-border Oman-UAE Railway... More Information

Engineering the depths: innovative tunnelling for hydropower projects

Major schemes in Austria, China, and Germany are applying advanced underground construction techniques for hydropower projects. More Information

New tunnel, new standard: Silvertown project showcases innovation in surface protection

Originally approved in 2018, construction of the tunnel began in March 2021. In September 2023, following the completion of tunnelling works, ... More Information

Metro Manila Subway Project: DOTr launches third tunnel boring machine

Dubai: The Department of Transportation (DOTr) has launched a third tunnel boring machine (TBM) for the Metro Manila Subway Project (MMSP), ... More Information

Skanska JV wraps up $450M Baltimore tunnel nearly 2 years early

A joint venture has reached substantial completion on the $450 million Howard Street Tunnel Project in Baltimore nearly two years ahead of the original completion date, according to a ... More Information

Work continues on NYC megaprojects, despite $18B federal funding pause

Contractors on two of New York City’s largest infrastructure projects will keep digging, but they might glance over their shoulders toward Washington... More Information

HS2 Chipping Warden tunnel project moves step forward

HS2 Ltd An aerial view of the HS2 tunnel construction at Chipping Warden. A road HS2 Ltd. The 1.55 mile (2.5km) Chipping Warden tunnel will be ... More Information

First of three Tunnel boring machines on way to SA as beams go up for tram overpass

The first of three tunnel boring machines that will be used to complete the northern and southern tunnels project is on its way to SA as part of a ... More Information

Chennai Metro Rail's TBMs to begin tunneling between Thiruvanmiyur and Indira Nagar

Chennai Metro Rail begins tunnelling work in challenging stretch for phase II project, facing obstacles due to hard rock... More Information

Custom lifting gantry aids TBM removal - Construction Briefing

The four TBMs excavated the 8.4 mile (14 km) Northolt Tunnel section. Two went in each way, digging a pair of tunnels from both ends towards each ... More Information

Tunnel construction begins on Barskoon — Bedel road in Issyk-Kul region

According to the project, two tunnels, 5,340 and 3,840 meters long, respectively, will be built at Sook and Ashuu-Suu passes. They will be among the ... More Information

China debuts world's mightiest centrifuge, unleashing ultra-intense gravity

China leads the way in shield tunnelling machine development · Shield machine of south line of Yellow River tunnel starts boring in Jinan · A close ... More Information

Boring Company Launches Global Operations Control Center in Bastrop, Texas

The Boring Company has officially opened its new Global Operations Control Centre in Bastrop, Texas, the tunnelling start-up announced on X... More Information

Port of Longview Lands $35.9MM Federal Loan for Rail Expansion

Active Construction on New Hudson Tunnel Project Supporting Domestic Jobs and Economic Output ... Bridges/Tunnels, Class 1, Freight, Ports, Track ... More Information

TBM Parvati Achieves Breakthrough At Kakadeo Station Of Kanpur Metro Line 2

Brief Scope: Design and Construction of TBM Tunnel, Cut and Cover Tunnel, ramp after Double Pullia, ramps in Agriculture Depot for main line and ... More Information

Howard Street tunnel reopens ahead of schedule, boosting Baltimore's freight capacity

The Howard Street Tunnel has been reopened after being out of service since February 2025.The nearly 130-year-old tunnel extends north from Camden Yards to the Mount Royal Station and is ... More Information

Progress update on the Tunnel Boring Machine for National Grid

Following its launch in May this year, Buddug, the Eryri VIP tunnel boring machine (TBM) is making good progress digging the tunnel which will ... More Information

Mumbai-Ahmedabad Bullet Train Project Clears Major Hurdle

After months of delay, the tunnel-boring machine stuck in China is being shipped to India, clearing the path for underground construction of the ... More Information

Bright lights: This Las Vegas tunnel is getting a major upgrade

Construction is underway on Desert Inn Road between Paradise Road and Joe W Brown Drive as part of a $9.2 million improvement project on Friday, ... More Information

Panama Canal Tunnel Boring Machine Crosses Under the Canal, Marking a Milestone

Panama Canal Tunnel Boring Machine Crosses Under the Canal, Marking a Milestone on Metro Line 3. Auto-dubbed. 398 views · 6 hours ago ...more ... More Information

Major breakthrough achieved in Mumbai-Ahmedabad bullet train tunnel construction

Mumbai: A breakthrough was achieved for a 4.88 km-long tunnel between Shilphata and Ghansoli for the... More Information

New Austrian tunnelling method achieves milestone breakthrough in BKC-Shillphata undersea tunnel project

In a significant milestone for the ambitious undersea tunnel project between BKC and Shillphata, g Method (NATM) has ... More Information

World's Longest Railway Connection Makes Construction Breakthrough

The Brenner Base Tunnel, built deep beneath the Alps, is set to reshape freight and passenger transport across Europe... More Information

New game-changing tunnel boring, reef cutting 'meeting and beating' all expectations

UG2 reef at Bokoni is the target of the twin mobile tunnel boring and narrow reef cutter. Tunnelling will be done with the mobile tunnel borer for ... More Information

Mota-Engil CEO confirms winning bid for Santos-Guaruja tunnel

The company's subsidiary, Mota-Engil, has won the tender for the construction and operation of Brazil's first underwater tunnel, connecting the ... More Information

Metro Vancouver Utility Nearing Finish of $288M Annacis Water Tunnel

“Resilience is at the heart of this project,” said Nedim Alca, COWI's North America market director. “What makes this milestone so significant is not ... More Information

Fehmarnbelt: Danish tunnel portal nears completion

The work on the entrance to the Fehmarnbelt tunnel at Rødbyhavn on Lolland is almost complete. photo courtesy of The Fehmarnbelt Project. More Information

Final decision on airport tunnel 'now or never'

Alderman Jim Stevenson and City administrators are making a dramatic last push for the airport tunnel before construction on the new north/south ... More Information

Athens Metro Line 4 works to finish by 2029

The construction of Athens Metro Line 4 is progressing steadily, with the entire project ... Tunnel mistakenly excavated in Athens metro project. More Information

First trains on track to run through Metro Tunnel within three months

Melbourne's $15.5 billion Metro Tunnel could be switched on in as little as three months as construction wraps up at two CBD stations and trains ... More Information

Petersburg crews to begin tunnel project in response to ongoing flooding, damage - WRIC

As ongoing water issues have caused significant damage to infrastructure around Petersburg, the Old Towne neighborhood ... More Information

Intelligent optimization framework for tunnel construction

Tunnel construction forms the foundation of railway development and is essential for ensuring route continuity and operational efficiency. However, ... More Information

São Paulo positions TBM for next phase of Line 2-Green

A major milestone was reached on Monday (1 September) with the lowering of the cutter head of the tunnel boring machine (TBM) Cora Coralina... More Information

The 700-ton machine that'll dig NYC's Second Avenue subway extension

NYC has a new tunnel boring machine in its toolbox for the expansion of the line under 2nd ave. If you've never seen some BIG earth moving machines, ... More Information

Light at the end of the tunnel showing for Mount Washington transit project

The project is expected to be completed in October. New tracks finally emerge from the Mount Washington Transit Tunnel as a part of Pittsburgh ... More Information