Seikan Tunnel
Sector: Rail • Location: Japan
Source: Daily Express
The Seikan Tunnel is the world's longest underwater tunnel, designed exclusively for trains, stretching 33.46 miles with approximately half of it underwater. It connects the main islands of Honshu and Hokkaido in Japan and has been in operation since 1988.
- Status
- Closed
- Sector
- Rail, Tunnel
- Location
- Japan
- Updated
- 22 Jul 2026
- Source
- Daily Express
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Project Information
Participants
| Not available for this record. |
Status
Original status | Completed |
Taiyo status | Closed |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | The Seikan Tunnel is the world's longest underwater tunnel, designed exclusively for trains, stretching 33.46 miles with approximately half of it underwater. It connects the main islands of Honshu and Hokkaido in Japan and has been in operation since 1988. |
Original sector | Transportation |
Location
Country | Japan |
Source
Source | Daily Express |
URL |
More Details
Record type | Project |
Sector | Rail, Tunnel |
Article published date | 2025-01-21 |
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