Tunnelbuilder Promoting the world's tunnelling industry to a huge qualified audience

View the Spanish Tunnelbuilder website View the Italian Tunnelbuilder website

Archive - News

Featured News

Code of Practice for Risk Management of Tunnel Works

Code of Practice for Risk Management of Tunnel Works The BTS has published a joint code of practice agreed with British insurers designed to promote and secure best practice for the minimization and ... More Information

Read All About It!

Read All About It!E-News Weekly from tunnelbuilder is the only weekly tunnelling market intelligence e-newsletter available from any source. This week, issue No 93 describes the punishment meted out ... More Information

World's Deepest Underground Station Mooted at Gotthard

World's Deepest Underground Station Mooted at GotthardPlans are afoot to build the world's deepest underground railway station in Switzerland, nearly one kilometre below the surface. The "Porta ... More Information

Tests to Better Understand Fire Propagation in Tunnels

Tests to Better Understand Fire Propagation in TunnelsIn recent years a number of road tunnels fires have occurred throughout Europe with catastrophic outcome. Among these are the fire in the Mont ... More Information

Second TBM Start for Line 9 in Barcelona

Second TBM Start for Line 9 in BarcelonaLlobri, this is the name of the second TBM that will drive the 44 km metro line 9 in Barcelona. The machine started to tunnel the new line between the Gorg ... More Information

Putzmeister Concrete Pumps for Lötschberg Base Tunnel

Putzmeister Concrete Pumps for Lötschberg Base TunnelPutzmeister concrete pumps and concrete wet spray machines are being used on several contract sections of the Lötschberg. Consortium Satco is ... More Information

Welcome to the Future!

Welcome to the Future!tunnelbuilder.com front page has undergone a substantial revision this week, as part of a complete upgrade of our operating software. Page presentation is now database-driven, ... More Information

Four Road Headers Now Work on Cross City Tunnel in Sydney

Four Road Headers Now Work on Cross City Tunnel in SydneyFour roadheaders are now tunnelling underneath Sydney to build the Cross City Tunnel (CCT). Since the first machine started work on 19th May, ... More Information

Dateline Underground Construction 2003

Dateline Underground Construction 2003It's high time to make travel plans for the UC 2003 conference and exhibition, which takes place at ExCeL, London on 24-25th September. ExCeL is at the old ... More Information

Busy Time for Robbins

Busy Time for RobbinsIn the US, the first of two Robbins TBMs has started on the 14km long Nancy Creek sewer tunnel in Atlanta, GA, while a Robbins 5.6 m-diameter hard rock machine at Chicago TARP ... More Information

Geokon - world-class geotechnical instrumentation

Geokon - world-class geotechnical instrumentationGeokon is the most successful designer and manufacturer of vibrating wire geotechnical instrumentation, with a line of products that is unsurpassed ... More Information

Spanish Tunnellers Rescued from Guadarrama Tunnel

Spanish Tunnellers Rescued from Guadarrama TunnelThirty-four workers have been rescued after being trapped by fire for five hours on 6th August in the Guadarrama railway tunnel under construction on ... More Information

New Concept in Lighting Control from Mayer

New Concept in Lighting Control from MayerMayer International (UK) Ltd has introduced an advanced new concept in automated light switching technology for road tunnels. Known as System-1600, it ... More Information

Muck Cars Designed by CSM Bessac Receive Innovation Award

Muck Cars Designed by CSM Bessac Receive Innovation AwardThe Roll and Rock process designed by CSM Bessac, a small-to-midsize TBM maker based near Toulouse, France has received a French construction ... More Information

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

Page:

Tunnelling News

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

Davao City Bypass South Tunnel hits breakthrough towards improved connectivity

The Construction Project with the ceremonial breakthrough of the southbound tunnel, marking the complete excavation from opposite ends of the ... More Information

Which companies are bidding for the US$2.3bn highway and tunnel contracts in Brazil?

The project in Brazil, as it will be the country's first underwater tunnel,” the person added. The project involves construction of a 1.5km tunnel ... More Information