Retrieval of Herrenknecht 7m diameter TBMs Betty and Dorothy has kicked off after their completion of boring on the ...

New York’s Gateway Development Commission (GDC) has announced that manufacturing and testing of the first two 9m diameter Herrenknecht ...

On 24 November, two state-of-the-art slurry TBMs manufactured by China Railway Construction Heavy Industry (CRCHI) were ...

The construction of HS2’s longest green tunnel took a major step forward this week with the realignment of a key local road, freeing up space for the next phase of excavations. Set to stretch for ...

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Tunnelling Journal is working with the Tunnelling Association of Canada (TAC) to publish 2 issues of Canadian Tunnelling magazine each year that will be distributed with Tunnelling Journal. The first ...

The winners of the coveted ITA Tunnelling Awards 2025 have been announced. Winners join an honour list of outstanding projects, innovations and individuals of the past 10 years since the series was ...

The Swiss cantons of Schwyz and Uri have awarded the US$478M contract for Lot 200 on the “Neue Axenstrasse” project – the “Sisikon Tunnel” – to a JV of Implenia (60%) and Frutiger (40%). The contract ...

ITA WTC2026 offers preferential rates at selected hotels: Click here for more information. All the hotels are city-centre (or central-city) located within a 2-to-15-minute walk from the Palais des ...

ITA-AITES Working Group 2 (WG2) – Research is developing a publication on damages of precast concrete segmental linings, with the intent being to better understand damage that occurs during tunnel ...

Seattle’s Sound Transit has announced that contractors have substantially completed the civil construction of the tunnel that will connect the East Main and Bellevue Downtown stations when East Link ...

Tunnelling works have been completed for the Chiang Mai Flood Mitigation Project (Phase 2) in northern Thailand. The project, commissioned by the Department of Public Works and Town & Country Planning ...