Explore details about location 大阪港咲洲トンネル. 大阪港咲洲トンネル is a location situated within the 港区 alongside other areas such as 海岸通, 中央大通 (chuō-ōdori), 国道172号;中央大通. Additionally, some smaller parts of 大阪港咲洲トンネル include specific areas like 阪神高速5号湾岸線, 阪神高速２号淀川左岸線 adding to the diversity of its landscape.