China's National Highway G010 runs from Tongjiang in Heilongjiang to Sanya in Hainan. It is 5,700 km (3,500 mi) in length, the longest China National Highway to date.
Map of 010 Guo Dao, Tongjiang Shi, Jiamusi Shi, Heilongjiang Sheng, China
It passes through the provinces of Heilongjiang, Jilin, Liaoning, Shandong, Jiangsu, Shanghai, Zhejiang, Fujian and Guangdong. At Hai'an in Guangdong, Guangdong–Hainan Railway carries cars by ferry 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.
It is also called Tongsan Expressway.
References
China National Highway 010 Wikipedia(Text) CC BY-SA