The expansion of Heathrow Airport has once again brought the spotlight onto one of the most complex tunnelling proposals ever considered in the UK: the realignment of the M25 motorway through a ...
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The Herrenknecht TBM EPB named “The Mighty Quinn” arrived at its destination in early August after boring a total of 5.64km under the city of Columbus, Ohio, USA. For the Lower Olentangy ...
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Snowy Hydro is now preparing for the arrival of its fourth TBM to join Snowy 2.0 – Australia’s largest renewable energy project.
The new TBM - 178-m length and 11.86 m diameter - ...
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Metrolinx is creating a second tunnel launch shaft near Gerrard Street and Carlaw Avenue which is now under construction. This will serve as the starting point for the second underground section of ...
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Scandinavian construction powerhouse Veidekke ASA has officially been awarded the contract section of Gothenburg's ambitious West Link (Västlänken) rail project.
Project Overview
Scope: ...
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Work on Romania’s second metro network, in Cluj-Napoca, has entered a key new stage with the start of excavation for the tunnel boring machine (TBM) launch shaft.
Turkish general ...
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Serbian Association for Tunnels and Underground Structures in
collaboration with the International Tunnelling and Underground Space Association will
host the Southeastern ...
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On August 6, 2025, Infrastructure Ontario (IO) and Metrolinx awarded North End Connectors a fixed-price C$1.4 billion contract to design, build, and finance the advance tunnelling phase of the Yonge ...
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Overview & Purpose - The Canyon Tunnel Project is a major $84 million regional water infrastructure initiative carried out by the South San Joaquin Irrigation District (SSJID) in partnership ...
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On July 28, 2025 at 10h20 a.m., TBM n.1 named Than Toc (Lightning speed) - designed and manufactured by Herrenknecht, over 100 m length and 850 t weight - successfully completed its ...
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TBMs Dorothy and Betty power into Parramatta
Tunnelling for the Sydney Metro West project is nearly 90% complete, with the arrival of two TBMs at Parramatta’s metro station site. This marks a ...
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On Thursday 24 July, the TBM Marguerite de Catellan broke through at the future Côte Pavée station, Lot 4 of Toulouse Line C: click here for the video.
The TBM - launched in ...
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On Saturday 26th July, the team working on the HS2 project lifted the TBM Emily's 9.11m diameter cutterhead, front and middle shield, weighing 880 t, using a large gantry crane, at the Green Park ...
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On Saturday 19 July, production of the precast concrete segments used by the TBMs for the final lining of the line tunnels were completed at the Ahrental plant located near the Austrian H41 ...
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The Delhi Metro Rail Project marked another significant milestone as Afcons Infrastructure’s Tunnel Boring Machine (TBM) Disha (1264B) achieved a breakthrough at the Tughlakabad Railway Colony ...
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Be part of transit history! Here’s your chance to make your mark on Toronto’s newest subway line.
The first two TBMs have arrived in Canada. They will dig the tunnels in the southern ...
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After rigorous adjudication by the Panel of Judges, the Finalists of the 2025 series of the ITA Tunnelling Awards has been announced. From a short list of 51 entries from 27 ...
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In February 2025, excavation work began on the construction of the second tube of the Gotthard motorway tunnel. While the TBM on the north side is progressing steadily, on 23 June 2025 it was ...
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The green light has been given for work on the Gran Sasso Tunnel to begin. They had needed to comply with current technical regulations on the tunnels safety in the trans-European road network ...
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The Land Transport Authority (LTA) has commenced civil construction works for Phase 2 of the Cross Island Line (CRL). Acting Minister for Transport Jeffrey Siow officiated the ground-breaking ...
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DEME Group has announced a major milestone in the construction of the Scheldetunnel, part of the Oosterweel Link in Antwerp. The first of eight prefabricated tunnel elements has now been ...
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The €114 million Athlone Main Drainage Scheme has recorded a successful breakthrough on its second underwater tunnel beneath the River Shannon—marking a significant milestone in the ...
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ADELAIDE, SA — July 2025: The Torrens to Darlington (T2D) Project continues to gain momentum, with June marking a month of significant progress across several key construction sites. As South ...
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The Bhopal Metro Rail Project has marked a significant milestone with the successful completion of the Factory Acceptance Test (FAT) for its first tunnel boring machine (TBM), designated TBM 427. ...
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Preparatory work for the Lower Thames Crossing—the future title-holder of Europe’s largest road tunnel—is slated to begin in late 2025
Project Overview
Tunnel length: 2.6 ...
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With Ordinance N. 10 from the 27 June 2025, the Special Commissioner approved the final design for the 4km section T2 of Line C, involving the construction of four new stations (Chiesa Nuova, San ...
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Caltrans District 1 announced a USD 40 million allocation toward the design phase of the Last Chance Grade Project along U.S. Highway 101 south of Crescent City in Del Norte County. This funding ...
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Excavation of the twin-bore Northolt tunnel between West Ruislip at the outer edge of the capital and the new Old Oak Common super-hub station in west London has been completed.
On 26th June ...
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The International Trenchless Exhibition & Conference (ITEC) 2025 officially commenced on 23 june at the Jeddah Hilton.
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Gillian and Zelda, the two massive TBMs building Victoria’s longest road tunnels are back in action, relaunching from Lower Plenty Road to continue their journey towards Bulleen as part of the ...
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Starting in 2024, the Swiss Tunnel Congress (STC)—Switzerland’s premier event for underground construction—will be held exclusively in even-numbered years. To maintain momentum in ...
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Less than a year after the previous open day organised at the entrance to the base tunnel on the French side, TELT once again welcomed the public on the 14 and 15 June 2025, this time at the ...
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A Crucial Boost to Britain’s Largest Road Tunnel Project - On 16 June 2025, Chancellor Rachel Reeves confirmed an additional £590 million funding boost for the Lower Thames ...
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The WTC2026 planning committee would like to inform you that the deadline for the abstract submissions has been extended for a final time to June 30, 2025. The Congress will take place from 15 to 21 ...
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On 12 June 2025, the last part of the new Casacastalda tunnel was demolished as part of the works to widen the Valfabbrica SS 318 (Perugia-Ancona route) to four lanes: click here to watch ...
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ITEC 2025, which will take place on 23- 24 June 2025 at the Jeddah Hilton, Jeddah (Saudi Arabia) is a premier event aimed at advancing trenchless technology within Saudi Arabia’s rapidly developing infrastructure sector.
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