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Tunneling News

1.5-km MT-5 tunnel breakthrough marks milestone for India’s bullet train

India’s high-speed rail corridor recorded a milestone on Friday with the breakthrough of the 1.5-km Mountain Tunnel-5 (MT-5) in Maharashtra’s Palghar district. Railway minister Ashwini Vaishnaw virtu...

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Mechanised excavation accelerates Battipaglia–Romagnano rail section with Four Active TBMs

All four tunnel boring machines planned for Lot 1A of the Salerno–Reggio Calabria high-speed and high-capacity railway are now fully operational, marking a critical construction milestone in Southern...

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LTA begins wtrengthening of circle line tunnels to counter ground deformation

Singapore’s Land Transport Authority (LTA) has initiated a targeted strengthening programme for two Circle Line tunnels where progressive ground deformation, known as tunnel squatting, has been iden...

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Delhi Metro’s precision tunnelling: A major engineering breakthrough beneath an operating corridor

The Delhi Metro Rail Corporation (DMRC) has completed one of its most demanding underground works to date as part of the Phase 4 expansion. Engineers successfully advanced a Tunnel Boring Machine (TB...

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Final breakthrough marks major milestone for Sydney Metro West tunnelling

The Sydney Metro West project has achieved a significant milestone with the completion of tunnelling on its western end. The second tunnel boring machine, known as TBM Dorothy, has broken through at...

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Vienna metro 3D model now spans half the city

Discover how cutting-edge geological modelling is guiding Vienna’s metro extension from concept to construction, helping bridge uncertainties and build client trust. At this year’s World Tunnel Congr...

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Progress accelerates on Rocchetta Tunnel in Apice–Hirpinia

Excavation on the Rocchetta Tunnel along the Apice–Hirpinia section of the future Naples–Bari high-speed and high-capacity railway has reached an important stage. The project team has completed the f...

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Tel Aviv Metro enters pre-qualification stage for $20 billion project

The NTA – Metropolitan Mass Transit Systems Ltd has launched the pre-qualification stage for the Tel Aviv Metro Programme, Israel’s largest-ever infrastructure project. Valued at approximately NIS 65...

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Investigation underway after water seepage accident hits Ningnan Tunnel project in Sichuan

A flash flood accident occurred at the Ningnan Tunnel, part of the Liangshan Riverside Expressway project in Sichuan Province, on the evening of November 10, 2025, prompting the rapid evacuation of c...

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New Zealand’s Mt Messenger Tunnel reaches completion of upper section

New Zealand’s Te Ara o Te Ata – Mt Messenger Bypass project reached a major milestone this week as crews successfully broke through the 235-metre tunnel, one of the key components of the future State...

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