China National Highway 224
China National Highway 224 runs from Haikou in Hainan to Sanya, Hainan. It is 309 kilometres in length. It is the middle part of Hainan Ring Highway.
China National Highway 224 runs from Haikou in Hainan to Sanya, Hainan. It is 309 kilometres in length. It is the middle part of Hainan Ring Highway.