The G7221 Hengyang–Nanning Expressway (), also referred to as the Hengnan Expressway (), is an under construction expressway in China that connects Hengyang, Hunan to Nanning, Guangxi.
Route The expressway starts in Zhengxiang District, Hengyang, and passes through Chengbu Miao Autonomous County, Longsheng Various Nationalities Autonomous County, Rong'an County, Yizhou District and Shanglin County before terminating in Xingning District, Nanning.
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