Explore details about location 山陽自動車道 (Sanyo Expressway). 山陽自動車道 (Sanyo Expressway) is a location situated within the 廿日市市 alongside other areas such as 国道４８８号, 広島県道43号厳島公園線, 地御前第2地下道. Additionally, some smaller parts of 山陽自動車道 (Sanyo Expressway) include specific areas like 黒折橋 adding to the diversity of its landscape.