Explore details about location 東九州自動車道. 東九州自動車道 is a location situated within the 延岡市 alongside other areas such as 延岡インター線, 国道３８８号, 国道１０号. Additionally, some smaller parts of 東九州自動車道 include specific areas like 国道１０号, 北方土々呂線, 国道２１８号 adding to the diversity of its landscape.