According to relevant information, the query shows: 2023. National Highway 2 12 is 30 kilometers long in Wusheng County, Guang 'an City, Sichuan Province. It is a traffic artery that runs through the north and south of the county and connects things. It passes through four towns: Wanlong Town, Wanshan Town, Jinniu Town and Liemian Town. According to the rerouting scheme of Vu Thang 2 12 national highway, the secondary key of Vu Thang 2 12 national highway will be changed in April 2023.