China National Highway 224

National Highway 224
224国道
Route information
Length:	309 km (192 mi)
Major junctions
From:	Haikou in Hainan
To:	Sanya in Hainan
Highway system
Expressways National Highways Transport in China

China National Highway 224 (G224) runs from Haikou in Hainan to Sanya, Hainan. It is 309 kilometres in length. It is the middle part of Hainan Ring Highway.

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Wikipedia