5,000,000 yen (cash)
| Land (Karatsu City) | 194,317.16㎡ | 18,339,725 yen |
|---|---|---|
| Building (Karatsu warehouse) | 668.69㎡ | 4,317,730 yen |
| Land (Iki City) | 59,731.19㎡ | 10,872,510 yen |
| Building (Iki City) | 343.36㎡ | 5,937,042 yen |
| Land (Tsushima City) | 904,270.0㎡ | 12,074,125 yen |
| Building (Tsushima City) | 99.0㎡ | 1,841,384 yen |
Address: 2102-79 Nagoya, Chinzei-cho, Karatsu City, Saga Prefecture
Inclined shaft: Length 540m, gradient 25%, cross section = height 5.5m, width 6m
Inner cross-sectional area: 22.7 m², pit entrance box culvert: 10 m
2,175,393,307 yen (construction cost)
① Japan-Korea Tunnel Existing Data Collection and Reanalysis Report (December 2003)
② Japan-Korea Tunnel Existing Data Collection and Reanalysis Project
Existing Data Digitization CD-R 01-16 (December 2003)
4,566,199,351 yen (research expenses)