BKC-Shillphata Undersea Tunnel Project
Sector: Bridge • Location: Mumbai, Maharashtra, India
Source: Times of India
The project involves the construction of a 5 km undersea tunnel stretch between BKC and Shillphata using the New Austrian Tunnelling Method (NATM). It includes a challenging 7 km segment beneath the Thane Creek. Tunneling started in May 2024, with a breakthrough achieved for a continuous 2.7 km section connecting the ADIT to the Savali shaft. Excavation between the Savali shaft and the tunnel port
- Status
- Under Construction
- Sector
- Bridge, Rail, Tunnel, Airport
- Location
- Mumbai, Maharashtra, India
- Updated
- 22 Jul 2026
- Source
- Times of India
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Project Information
Participants
| Not available for this record. |
Status
Original status | under construction |
Taiyo status | Under Construction |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | The project involves the construction of a 5 km undersea tunnel stretch between BKC and Shillphata using the New Austrian Tunnelling Method (NATM). It includes a challenging 7 km segment beneath the Thane Creek. Tunneling started in May 2024, with a breakthrough achieved for a continuous 2.7 km section connecting the ADIT to the Savali shaft. Excavation between the Savali shaft and the tunnel portal at Shillphata is complete, enabling integration with the viaduct segment of the Mega Airport High-Speed Rail (MAHSR) project. An Additional Driven Intermediate Tunnel (ADIT) was constructed to allow simultaneous excavation from both Ghansoli and Shilphata sides. The remaining 16 km of tunneling will be done using Tunnel Boring Machines (TBMs). The tunnel will be a single tube of 13.1 meters diameter to accommodate twin tracks for both up and down lines. Comprehensive safety measures and access restrictions have been implemented to ensure safe tunneling. |
Original sector | Transportation |
Location
Country | India |
State | Maharashtra |
City | Mumbai |
Source
Source | Times of India |
URL |
More Details
Record type | Project |
Sector | Bridge, Rail, Tunnel, Airport |
Article published date | 2025-09-23 |
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