Datong–Yuncheng Expressway
Dayun Expressway is the largest expressway structure in China's Shanxi province.
It enters Shanxi as the Xuanda Expressway until approaching Datong, becoming the Dayun Expressway afterwards. It ultimately ends at Rongcheng.
The expressway passes through Datong, Shuozhou, Taiyuan, Lüliang, Jinzhong, Linfen, and Yuncheng. Thirty-one counties lie in its track.
It links with the Xuanda Expressway, the Jiaofen Expressway, the Yunfeng Expressway and the Yunsan Expressway.
The expressway passes through some interesting historical and scenic spots, such as Yanmen Pass, Mt. Wutai, the old city of Pingyao, as well as many temples.
