India recently achieved a major milestone in the Mumbai-Ahmedabad High-Speed Rail corridor by completing its third mountain tunnel (MT-07) in Maharashtra's Palghar district. Located in Dahanu taluka, this 417 meter-long tunnel completes the mountain tunnelling stretch between Vapi and Boisar.

India recently achieved a major milestone in the Mumbai-Ahmedabad High-Speed Rail corridor by completing its third mountain tunnel (MT-07) in Maharashtra's Palghar district. Located in Dahanu taluka, this 417 meter-long tunnel completes the mountain tunnelling stretch between Vapi and Boisar.
key details about the achievement and the broader project:-
Location: -
Ambesari village, Palghar district, Maharashtra.
Tunnel Dimensions: -
417 meters long and 14.4 meters wide, designed to accommodate both up and down bullet train tracks.
Project Milestone: -
This is the 3rd mountain tunnel successfully excavated in Maharashtra within a 5-month span, and the 4th tunnel breakthrough overall.
Total Tunnels Required: -
The ambitious 508 km corridor requires a total of 8 mountain tunnels across its route. 
look at the excavation breakthrough on the high-speed rail corridor:
Mumbai–Amdabad Bullet Train Project: -
The high-speed rail project will feature 12 stations across Gujarat, Maharashtra, and Dadra and Nagar Haveli. Once operational, trains will reach speeds of 320  kmph, reducing travel time between Mumbai and Ahmedabad to just under two hours. 
The proposed 12-station route
The current timeline for completion
More engineering facts about the tunnels 
Mumbai-Ahmedabad bullet train project achieves tunnel .
    The successful excavation of MT- 07 officially completes all three mountain tunnels (MT- 08, MT- 07, and MT- 06) located between the Vapi (Gujarat) and Boisar (Maharashtra)
Bullet Train project records third tunnel breakthrough in five months in Maharashtra
 MJF Lion ER YK Sharma 

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