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| No. | Name | Line | Length
(km) | Depth
(m) | Track | Opening year | Rema
rks | | 1 | Seikan | Tsugaru-Straits | 53.85 | 500 | D | 1988 |
| | 2 | Hakkoda | Tohoku Shinkansen | 26.45 | 540 | D | C |
| | 3 | Iwate-ichinohe | Tohoku Shinkansen | 25.81 | 200 | D | 2002 |
| | 4 | Iiyama | Hokuriku Shinkansen | 22.22 | 325 | D | C |
| | 5 | DaiShimizu | Johetsu Shinkansen | 22.22 | 1,300 | D | 1982 |
| | 6 | SinKanmon | Sanyo Shinkansen | 18.71 | 460 | D | 1975 |
| | 7 | Rokko | Sanyo Shinkansen | 16.22 | 440 | D | 1972 |
| | 8 | Haruna | Johetsu Shinkansen | 15.35 | 170 | D | 1982 |
| | 9 | Gorigamine | Hokuriku Shinkansen | 15.17 | 620 | D | 1997 |
| | 10 | Nakayama | Johetsu Shinkansen | 14.86 | 410 | D | 1982 |
| | 11 | Hokuriku | Hokuriku | 13.87 | 490 | D | 1962 |
| | 12 | SinShimizu | Johetsu | 13.50 | 1,200 | S | 1967 |
| | 13 | Aki | Sanyo Shinkansen | 13.03 | 530 | D | 1975 |
| | 14 | Chikushi | Kyushu Shinkansen | 11.86 | 515 | D | C |
| | 15 | KitaKyushu | Sanyo Shinkansen | 11.75 | 270 | D | 1975 |
| | 16 | Fukushima | Tohoku Shinkansen | 11.70 | 230 | D | 1982 |
| | 17 | Kubiki | Hokuriku | 11.35 | 230 | D | 1969 |
| | 18 | Shiozawa | Johetsu Shinkansen | 11.22 | 150 | D | 1982 |
| | 19 | Zao | Tohoku Shinkansen | 11.21 | 170 | D | 1982 |
| | 20 | Akakura | Hokuetsu | 10.47 | 450 | S | 1997 |
|
| Track means number of track that main tunnel has in standard cross-section.
S: single track, D: double tracks
C=under construction
|
| No. | Name | Road | Length
(km) | Depth
(m) | Usable
width(m) | Opening year | Ventila
-tion system
| | 1 | KANETSU
(Up)
| NE(KAN ETSU) | 11.05 | 1,190 | 7.0 | 1991 | PSL | | 2 | KANETSU
(Down)
| NE(KAN ETSU) | 10.93 | 1,190 | 7.0 | 1985 | PSL | | 3 | HIDA | NE(TOKAI HOKURIKU) | 10.74 | 1,015 | 7.0 | C | AL | | 4 | TOKYOWAN AQUA(Down) | NH409 | 9.55 | 15 | 7.0 | 1997 | PSL | | 5 | TOKYOWAN AQUA(Up) | NH409 | 9.54 | 15 | 7.0 | 1997 | PSL | | 6 | ENASAN(Up) | NE(CHUO) | 8.65 | 950 | 7.0 | 1985 | PSL | | 7 | ENASAN (Down)
| NE(CHUO) | 8.49 | 950 | 7.0 | 1975 | T | | 8 | SHIN KOBE No2. (South) | MR(KOBE) | 7.17 | 345 | 6.5 | 1988 | L+T | | 9 | SHIN KOBESHIN (North) | MR(KOBE) | 6.91 | 315 | 6.5 | 1976 | T | | 10 | KARISAKA | NH140 | 6.62 | 900 | 6.5 | 1998 | PSL | | 11 | HIGO(Down) | NE(KYUSHU) | 6.34 | 600 | 7.0 | 1989 | PSL | | 12 | HIGO(Up) | NE(KYUSHU) | 6.33 | 600 | 7.0 | 1999 | PL | | 13 | KAKUTOH(Up) | NE(KYUSHU) | 6.25 | 350 | 7.0 | 1995 | PSL | | 14 | KAKUTOH(Down) | NE(KYUSHU) | 6.25 | 415 | 7.0 | C | PL | | 15 | HAKAMAGOSHI | NE(TOKAI HOKURIKU) | 5.93 | 640 | 7.0 | 2000 | PL | | 16 | HANNA(East) | MR(DAINI HANNA) | 5.58 | 540 | 7.0 | 1997 | PSL | | 17 | HANNA (West) | NH308 | 5.58 | 540 | 7.0 | 1997 | L | | 18 | KANPUSAN | NH194 | 5.43 | 900 | 6.5 | 1999 | L | | 19 | OMACHI | KANDEN | 5.37 | 985 | 6.0 | 1960 | L |
| All of tunnels above-mentioned have two lanes.
NE=national express road、NH=national motorway、LR=local road、MR=main road
C=under construction
A：Optional System，P：Using electric dust collector，S：Using shaft
L: Longitudinal ventilation system T: Transverse ventilation system
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The total length of tunnels under construction in 2003 was 1,164km.
The chart show the amounts of tunnel works under contract in every five year from 1985 to 2000, and 2003, categorized by tunnel purpose of usage.
Benefiting from active social capital construction in the 90's, the amount of works under contract showed a rising trend, and since 1995 a level of euro23 billion or more has been maintained mainly in railway and road tunnel projects.
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