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The Top 5 Longest Underwater Tunnels
| Tunnel | Location | Length (meters) | Length (feet) | Year Completed | |
|---|---|---|---|---|---|
| 1 | The Seikan Tunnel | Japan | 53,850 m | 176,673 ft | 1988 |
| 2 | The Channel Tunnel | England/ France | 50,450 m | 165,518 ft | 1994 |
| 3 | The Shin-Karmon Tunnel | Japan | 18,680 m | 61,286 ft | 1975 |
| 4 | The Tokyo Bay Aqua-Line Expressway | Japan | 9,583 m | 31,440 ft | 1997 |
| 5 | The Great Belt Fixed Link | Denmark | 8,024 m | 26,325 ft | 1997 |
Special Report
- The 54km-long Seikan Tunnel links the Japanese islands of Honshu and Hokkaido and took 24 years to complete.
- 39 km of the "Chunnel", as it is known, is underwater.
- As of 2006 the toll for the Aqualine expressway was 3,700 yen (about $31 US dollars).
