Oyoshida 9th Improvement Work of Onomichi and Matsue ExpresswayUnnan City, Shimane Pref

Chubu Regional Development Bureau, Ministry of Land, Infrastructure, Transport, and Tourism

Unnan City, Shimane Pref

Road improvement work on the approximately 0.3 km section of the Oyoshida Area of the Onomichi and Matsue Lines of the Chugoku Expressway.