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Shonai Highway and Bansho
During the Edo period, exchanges with other regions began in earnest as a result of changes in attendance and economic activity. The fort has established a highway, and a key station has been established at the key points of traffic, and has controlled traffic and trade of human horses and cargo. In the case of Morioka Pass, the starting point of Kanai's highway is Kaji-cho (Kaji-cho, Morioka Shishiya-cho), and Oshu-dochu (kaido) which passes through the territory of the capital from north to south Side highways such as highway (Closed Highway), Oiso Highway, Kamaishi Highway, Noda Highway were branched. There are 18 locations, including the northern end of Kitagunmamon (Makado, Aomori Prefecture) and the southern end of Wakaguni Onagi (Oniyanagi, Kitakami city). Also called) to control traffic and trade with the neighbors, and there were four storehouses and four central storehouses in Shonai.
In addition, various daimyos who were forced to stay in Edo by changing work hours had to transport daily goods in Edo, as well as stored goods such as stored rice from the national government. In the case of Morioka Pass, it was sent from each pass in the closed region in the early Edo period, but after the Qianan period (1468 to 52), Kitakamigawa Express (Syun) and Higashi Express Shipping were used. Kitakami River Yuun is small from Kuroyamajiri (Kosawazawari) riverbank (Kitakami city) at the southern end of the Ryoryo via the Koriyama (dayside) riverbank (Shiwa town) from Shinyama riverbank in Shinooka (Ninza-shi and Meiji Bridge) It is a large-sized Kurosawajiri boat using a small-rolled ship (maximum width 1.8m, length 16m, loading capacity about 100) 
Transfer to a ship (Hiragabune, maximum width of 4.5 meters, total length of 18 to 20 meters, loading capacity about 350) and carry the load to Ishinomaki Pass (Ishinomaki City, Miyagi Prefecture), and the sea route from Ishinomaki to Edo it was done.