Saikaidō

[1] It means both an ancient division of the country and the main road running through it.

[2] Saikaido was one of the main circuits of the Gokishichidō system, which was originally established during the Asuka period.

This name identified the geographic region of Kyūshū and the islands of Tsushima and Iki.

[3] The provinces included Chikuzen, Chikugo, Buzen, Bungo, Hizen, Higo, Hyūga, Satsuma and Ōsumi.

This article relating to the roads and highways in Japan is a stub.