Archive · 7 Aug 2025
Bullet Train Project: 4 Km Undersea Tunnel Completed
Imagine a super-fast train track being built between Mumbai and Ahmedabad!
Part of this involves building a tunnel under the sea.
A 4 km part of this tunnel is now done.
This project costs a lot of money and will take some years to finish.
They are also making sure to protect the environment during construction.
The project aims to provide high-speed train services across three states.
Four kilometers of the undersea tunnel, part of the Mumbai-Ahmedabad High Speed Rail project, have been completed between Ghansoli and Shilphata.
The entire MAHSR project is 508 km long and will pass through Gujarat, Maharashtra, and Dadra & Nagar Haveli.
The Gujarat section is expected to be done by December 2027, and the whole project by December 2029.
The project's estimated cost is approximately Rs.1,08,000 crore, with Rs. 78,839 crore spent by June 30, 2025.
Environmental assessments and safety plans are in place, with a study concluding no impact on Thane Creek mud flats from tunneling.
- Who
- National High Speed Rail Corporation Limited (NHSRCL) is managing the project. Information was provided by Union Minister Ashwini Vaishnaw.
- What
- Progress update on the Mumbai-Ahmedabad High Speed Rail (MAHSR) Project, including undersea tunnel completion.
- When
- The update was provided on Wednesday in response to a question in Lok Sabha; The Gujarat section is expected by Dec 2027 and the whole project by Dec 2029.
- Where
- Between Ghansoli and Shilphata in Maharashtra (undersea tunnel); across Gujarat, Maharashtra, and Dadra & Nagar Haveli (entire project).
- Why
- To construct the Mumbai-Ahmedabad High Speed Rail Corridor.
- Project
- Mumbai-Ahmedabad High Speed Rail (MAHSR)
- Tunnel Location
- Between Ghansoli and Shilphata, Maharashtra
- Completed Tunnel Stretch
- 4 km
- Project Cost
- Rs.1,08,000 crore (approx.)
- Expenditure till June 30, 2025
- Rs. 78,839 crore
- States Covered
- Gujarat, Maharashtra, Dadra & Nagar Haveli