China National Highway 010
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China's National Highway 010 runs from Tongjiang in Heilongjiang to Sanya in Hainan. It is 5700 kilometres in length, the longest China National Highway to date.
It passes through the provinces of Heilongjiang, Jilin, Shandong, Jiangsu, Shanghai, Zhejiang, Fujian and Guangdong. At Hai'an in Guangdong, a ferry crosses cars across the Qiongzhou Strait to Haikou in Hainan, before ending in Sanya.
It is part of the five north-south and seven east-west main routes in China.