The G8513 Pingliang–Mianyang Expressway (), commonly referred to as the Pingmian Expressway (), is an expressway in China that connects the cities of Pingliang, Gansu and Mianyang, Sichuan.
The Pingliang–Tianshui section includes the Guangshan tunnel through the Liupan Mountains.
Current status Section Status Pingliang–Tianshui Open Tianshui–Longnan Open Longnan–Jiuzhaigou Under construction Jiuzhaigou–Jiangyou Under construction Jiangyou–Mianyang Open
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