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China's National Highway G010, also called Tongsan Expressway (Tongjiang-Sanya Expressway), was an abolished national highway in China, which ran from TongjianginHeilongjiangtoSanyainHainan. It was 5,700 km (3,500 mi) in length, the longest China National Highway at the time.[1]
It was part of the five north-south and seven east-west main routes in China. However, it has been abolished in 2010s, now being part of the G15 Shenyang–Haikou Expressway.[2]