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Mumbai’s first underground metro line inaugurated: Here are the key features
Updated On: 08 October, 2025 09:17 PM IST | Mumbai | mid-day online correspondent
The newly inaugurated Phase II-B, stretching 10.99 km from Acharya Atre Chowk to Cuffe Parade, includes 11 underground stations and aims to improve access to South Mumbai’s key administrative and commercial hubs. This phase alone has been developed at a cost of Rs 12,195 crore, forming part of the larger Rs 37,276 crore Line-3 project
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With this launch, Mumbai’s Aqua Line becomes the first metro to enter the city’s island core. PIC/ASHISH RAJE
Prime Minister (PM) Narendra Modi on Wednesday inaugurated Phase-II B of Mumbai Mumbai Metro Line-3 (Aqua Line), city's first fully underground corridor.
Stretching 33.5 km from Aarey to Cuffe Parade, the Mumbai Metro-3 features 27 stations and is designed for 95-kmph speed.
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