1977 Volume 28 Issue 8 Pages 546-552
To find the means and characteristics of traffics of the six islands within the distance of approximately 40 km from the bridge which is to be constructed between Onomichi and Imabari, a, survey was made and the results are as follows :
1) Traffic route outside the island can be divided into three : Honshu to Shikoku, mainland to islands, between islands. Among them the most frequently used route is between mainland to islands and those between islands.
2) Mukaishima has only one route which runs between mainland and islands.
3) The main means of traffic within island is bus, which runs throughout island, but the island which has a round route is only Ikuchijima.
4) Routes having connection between ferry boat and bus were Innoshima to Onomichi route, and Oshima to Imabari route.
5) The movement of people made from the island to outside was found Mukaishima and Oshima most frequently. The destination of Hiroshima zone people was the cities located along the coast of the eastern section of Hiroshima prefecture, and that of Ehime zone people was mainly Imabari.