A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
List of long tunnels by type
...This page presents the same tunnels as in list of tunnels by length in separate lists according to the different tunnel types.
Rail
Note: This list only contains tunnels that are longer than 25 km (16 mi).
Under construction
Note: This list only contains tunnels that are longer than 25 km (16 mi).
| Name | Location | Length | Expected completion |
Line |
|---|---|---|---|---|
| Mont d'Ambin base tunnel[6] | France/Italy (Cottian Alps) | 57.5 km (35.7 mi) | 2029[7] | Lyon Turin Ferroviaire |
| Brenner Base Tunnel | Austria/Italy (Stubai Alps) | 55 km (34.2 mi) | 2028[8] | Brenner Railway |
| Yigong Tunnel 易贡隧道[9][10] | China (Tibet) | 42.5 km (26.4 mi) | 2030 | Nyingchi–Ya'an railway |
| Sejila Mountain Tunnel 色季拉山隧道[9][10] | China (Tibet) | 37.9 km (23.5 mi) | 2030 | Nyingchi–Ya'an railway |
| Metropolitan Area Tunnel No. 1[11] | Japan (Tokyo) | 37.168 km (23.1 mi) | 2027+ | Chūō Shinkansen |
| Pearl River Tunnel 珠江隧道[12] | China (Guangdong) | 36.043 km (22.4 mi) | 2021 | Guangzhou–Foshan circular intercity railway |
| Duomuge Tunnel 多木格隧道[9] | China (Tibet) | 36 km (22.4 mi) | 2030 | Nyingchi–Ya'an railway |
| Gaoligongshan Tunnel | China (Yunnan) | 34.5 km (21.5 mi) | 2022 | Dali-Ruili Railway |
| Chukyo Area Tunnel No.1[11] | Japan (Aichi) | 34.210 km (21.3 mi) | 2027+ | Chūō Shinkansen |
| Koralm Tunnel | Austria (Koralpe) | 32.9 km (20.4 mi) | 2026[13] | Koralm Railway |
| Oshima Tunnel | Japan (Hokkaido) | 32.675 km (20.3 mi) | 2031 | Hokkaidō Shinkansen |
| Mangkangshan Tunnel | China (Tibet) | 29.4 km (18.3 mi) | 2026 | Kangding-Linzhi Railway |
| Ping'an Tunnel | China (Sichuan) |
|
2023 | Chengdu–Lanzhou Railway |
| Semmering Base Tunnel | Austria (Raxalpe) | 27.3 km (17.0 mi) | 2027[14] | Southern Railway |
| Valico Tunnel | Italy (Liguria, Piedmont) | 27.250 km (16.9 mi) | 2023 | Tortona–Genoa high-speed railway |
| Sasson Tunnel | Japan (Hokkaido) | 26.2 km (16.3 mi) | 2031 | Hokkaidō Shinkansen |
| Musil Tunnel | South Korea (Wonju) | 25.1 km (15.6 mi) | 2020[needs update] | Jungang Line |
| Minshan Tunnel | China (Sichuan) | 25.0 km (15.6 mi) | 2023 | Chengdu–Lanzhou Railway |
| Southern Alps Tunnel[11] | Japan (Nagano, Shizuoka, Yamanashi) | 25.019 km (15.5 mi) | 2027+ | Chūō Shinkansen |
- ^ 2 tubes
Underground rapid transit
Only continuous tunnel sections should be included, at least 35 km (22 mi) long, excluding branches from the longest tunnel.
Under construction
Only continuous tunnel sections should be included, at least 30 km (19 mi) long.