| 1981 | 11Sun Myung Moon advocates the international highway concept (10th ICUS, Seoul, South Korea) |
|---|---|
| 1982 | 4Established International Highway Construction Corporation (Chairman Osami Kuboki)
6Start of the first surface exploration (Northern Kyushu, Iki, Southern Tsushima) 10Higashi Matsuura Peninsula, track and field club start boring (Yobukocho, 500m) |
| 1983 | 3Launch of the second Jeongan Maru (10t)
5Japan-Korea Tunnel Research Institute Establishment General Meeting (Chairman Yasuo Sasa) 7Japan-Korea Tunnel Research Association Kyushu Branch Establishment General Assembly (Branch Director Genkiyo Takada) 8Start of the second sound wave exploration in the sea area of the Japan-Korea tunnel 9Start of electrical exploration and simple elastic wave exploration on land (Chinzeimachi, Saga Prefecture) 10Environmental survey started in the assumed sea area of the Japan-Korea tunnel 11Purchase of research aircraft (XNUMX-seater Cessna aircraft) 12Start of gravity exploration on land (Tsushima / Southern) |
| 1984 | 4Start of the third sound wave exploration in the sea area of the Japan-Korea tunnel (Iki / East offshore)
5Start of the XNUMXth sound wave exploration in the Japan-Korea tunnel area (Tsushima / northwest area) 6Start of Iki / land bowling (near Sumiyoshi Shrine, 400m) 7Start of Tsushima / land bowling (Koura, 70m) 8Started magnetic exploration of the sea area of the Japan-Korea tunnel (Iki Suido) 9Start of Tsushima / land bowling (Gozaki, 500m) 10Start of second surface exploration (Tsushima / Northern) 12Start of Tsushima / land bowling (Himi River, 400m) |
| 1985 | 1Start of Iki / land bowling (Chojabaru, 400m)
3Installation of micro seismograph (Tsushima) 4Start of Iki / land bowling (Tsutsuki, 400m) Start of Tsushima / land bowling (Tsutsu Hospital, 630m) 7Start of Iki / land bowling (Kukifuku, 500m) 8Start of lessing in the first sea area of the Japan-Korea tunnel 10Start of Iki / land bowling (Archer Yoshitaku, 423m) |
| 1986 | 1Start of Iki / land bowling (Shinjo Nishitaku, 400m)
2Start of Tsushima / land bowling (Kuda River, 500m) 3Aso Bay ・ Start of environmental survey (Tsushima) 4Higashimatsuura Peninsula, track and field club boring started (Saga Prefecture, Chinzei Town, 200m) Start of ocean bowling (Tsushima / West Sea area, 500m) 7Start of lessing in the second part of the Japan-Korea tunnel area 8Start of the XNUMXst Nagoya Castle Environmental Survey (Yobuko Town, Saga Prefecture) Start of Tsushima / land bowling (Minemachi, 400m) 9Start of diagonal boring on Kakarajima (320m) Start of sea trip survey (between Iki and Higashimatsuura Peninsula, 27km) 10Groundbreaking ceremony for the Japan-Korea Tunnel Survey Slope (Chinzeimachi, Saga Prefecture) |
| 1987 | 1Higashi Matsuura Peninsula, track and field club boring started (Genkai Town, Saga Prefecture, 202m)
2Start of the second Nagoya Castle Environmental Survey (Yobuko Town, Saga Prefecture) 4Establishment of Nagoya Meteorological Observatory (Chinzeimachi, Saga Prefecture) Higashi Matsuura Peninsula, track and field club boring started (Saga Prefecture, Ogawa Town, 460m) 5Started the XNUMXth sound wave exploration in the assumed sea area of the Japan-Korea tunnel (Tsushima / northwest sea area) Start of Iki / land bowling (Ashibecho, 500m) 8Start of fishery fact-finding survey (Tsushima / Aso Bay) 11Start of diagonal boring (Japan-Korea tunnel survey inside the inclined shaft, 423m) |
| 1988 | 4Higashimatsuura Peninsula, track and field club boring started (Saga Prefecture, Chinzei Town, 130m)
5Higashimatsuura Peninsula, track and field club boring started (Saga Prefecture, Chinzei Town 150m) 7First visit to China by the International Highway Construction Corporation / Delegation Japan-Korea Tunnel Survey Slope ・ Start of Phase XNUMX Construction (Chinzeimachi, Saga Prefecture) 9Start of fishery fact-finding survey (Tsushima / Aso Bay) 10Groundbreaking ceremony for geological survey of Geojedo Island, South Korea (Geoje-gun, Sankyo-ri) Start of land bowling in South Korea (Geoje-gun, Sankyo-ri, 400m) 11Start of land bowling in South Korea (Geoje-gun, Myeongdong-ri, 300m) 12Start of land bowling in South Korea (Geoje-gun, Daesato, 400m) Start of land bowling in South Korea (Geoje-gun, Fuharu-ri, 332m) |
| 1989 | 5Second visit to China by the International Highway Construction Corporation / Delegation (Beijing-Shenyang-Dandong)
7Groundbreaking ceremony for the Japan-Korea Tunnel Tsushima Survey Slope (Izuhara Town) Diagonal boring of the mine started (slanted mine entrance, 200m) 9Japan-Korea-China-Tokyo International Conference (co-sponsored by ISC / IHCC) 11Japan-Korea Joint Report Meeting of Japan-Korea Tunnel (Seoul, Korea) |
| 1990 | 4Announced International Highway Project at the 11th World Congress of Speechists (Moscow)
7Second visit to China by the International Highway Construction Corporation / Delegation 8Japan-Korea Tunnel Survey Slope / Diagonal Boring Started (Chinzeimachi, Saga Prefecture) |
The 10th ICUS (Korea)
XNUMXst surface reconnaissance
Land bowling
The 10th ICUS (Korea)
XNUMXst surface reconnaissance
Land bowling
* From the 1990s to the early 2000s, it was positioned as a time to try a more concrete project approach from a rough and comprehensive point of view based on the survey materials so far, and various publicity in Japan and overseas. We have been making efforts in enlightenment activities.Based on these results, we are currently formulating a second business plan while further studying.
Since its advocacy in 1981, this project has been under the direction and supervision of the International Highway Construction Corporation.As of January 2009, the International Highway Foundation has taken over the business.
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