https://www.siemens.com/ch/en/products/automation/news/referenzen/travel-safely-through-the-tunnel-with-the-twin.html
Siemens helps improve tunnel ventilation and urban life in Schwamendingen with innovative digital twin technology and smart control systems.
travel safelytunneltwinsiemensch
https://interestingengineering.com/science/china-recovers-buried-tunnel-boring-machine
Jan 11, 2026 - Here's how Chinese engineers rescued a failed tunnel boring machine by guiding a second one to meet it under a river.
tunnel boring machinechineseengineersrecoverstranded
https://indianexpress.com/article/cities/mumbai/over-500-structures-cleared-in-borivali-for-thane-borivali-twin-tunnel-10514883/
Second tunnel boring machine expected in March as rehabilitation nears completion
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https://www.mid-day.com/mumbai/mumbai-news/article/maha-infra-boost-to-borivalithane-twin-tunnel-orange-gatemarine-drive-projects-in-mumbai-23402917
The Maharashtra government decided to secure Rs 15,000 crore as loan for the Thane-Borivali underground tunnel in Mumbai
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