Seikan Tunnel
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| Opened | March 13, 1988 |
|---|---|
| Locations | Tsugaru Strait |
| Operating speed | 160 km/h (100 mph) |
| Start | Honshu |
| Owners | Japan Railway Construction, Transport and Technology Agency |
| Did you know | The Seikan Tunnel is the world's longest tunnel with an undersea segment (the Channel Tunnel, while shorter, has a longer undersea segment). |
| Date of Reg. | |
| Date of Upd. | |
| ID | 1137922 |
About Seikan Tunnel
The Seikan Tunnel or 青函隧道 Seikan Zuidō, is a 53. 85 km dual gauge railway tunnel in Japan, with a 23. 3 km long portion under the seabed. The track level is about 100 m below the seabed and 240 m below sea level.