Explore details about location 九州自動車道. 九州自動車道 is a location situated within the 人吉市 alongside other areas such as 湯前人吉自転車道線, 国道４４５号, 相良人吉線. Additionally, some smaller parts of 九州自動車道 include specific areas like 国道221号 adding to the diversity of its landscape.