China National Highway 223
China National Highway 223 runs from Haikou in Hainan to Sanya, Hainan. It is 323 kilometres in length. It is the eastern part of Hainan Ring Highway.
China National Highway 223 runs from Haikou in Hainan to Sanya, Hainan. It is 323 kilometres in length. It is the eastern part of Hainan Ring Highway.