Historical Archaeological Study on the Ancient Sanyodo in Geibi area (The East of the Hiroshima Prefecture)

在古代日本，大阪府（中央政府）在连接平州（古代日本的首都）和国州（省级政府所在地）的公共道路上建立了驿站网Ekisei，以加强与各省的行政和军事联系，并方便纳税。Ekisei由七条公共道路组成；古代三洋堂就是其中之一。本研究项目的目的是为三阳渡的研究奠定基础，并通过历史考古证据和方法挖掘三阳渡的调查。首先，对航拍照片、地籍图、村路图进行了调查。在那之后不久，推测是古代三洋的路线。最后，我们在路线上挖掘了现场；发掘道路遗迹和考古记录。

In Ancient Japan, the Dajokan (central government) established the Ekisei, network of post stations on the public roads connecting the Heijogu (capital of Ancient Japan) and Kokuhu (provincial seats of government), in order to strengthen administrative and military communications with the provinces, and to facilitate the payment of taxes. Ekisei was made up of seven public roads ; Ancient Sanyodo was one of them. The Aim of thisResearch project, is a lay the foundation of the study on the Sanyodo, and excavate the vestigate of Sanyodo, by Historical Archaeological evidence and method. First, we investigated into the air photographs, the cadastres and pictures of village and road. Shortly after that, Presumed the route of Ancient Sanyodo. Finally, we excavated the spot on route; discover the vestige of road and Archaeological records.