 | This article needs additional citations for verification. (August 2021) |
 Tunnel entrance | |
| Overview | |
|---|---|
| Line | Sanyō Shinkansen |
| Location | Honshu–Kyushu |
| Operation | |
| Opened | March 10, 1975 |
| Owner | JR West |
| Operator | JR West |
| Character | Passenger |
| Technical | |
| Line length | 18.713 km (11.628 mi) |
| No. of tracks | 2 |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) |
| Operating speed | 300 km/h (185 mph) |
33°57′57.4″N 130°57′47.2″E / 33.965944°N 130.963111°E The Shin-Kanmon Tunnel (新関門トンネル, shin-kanmon tonneru) is a 18.713-kilometre (11.628 mi) long undersea railway tunnel under the Kanmon Straits connecting Shin-Shimonoseki Station and Kokura Station.[1]
At the time of opening in March of 1975, it was the longest railway tunnel in Japan before being overtaken by in 1988 the opening of the Seikan Tunnel. It is also the longest tunnel section on the entire Sanyo/Tokaido Shinkansen line.
- ^ 百科事典マイペディア,世界大百科事典内言及. "新関門トンネルとは". コトバンク (in Japanese). Retrieved 2021-08-12.