It is an almost straight kando (a road that is improved, managed and maintained by the Japanese nation) connecting the area around Horyu-ji Temple (Ikaruga Town) and Asuka (Asuka-mura).
法隆寺（斑鳩町）付近から飛鳥（明日香村）へほぼ一直線に結んでいたとされる官道。