| Country: | CHN |
| Type: | Expwy |
| Route: | 8513 |
| Alternate Name: | Pingmian Expressway 平绵高速 |
| Spur Type: | Expwy |
| Spur Of: | 85 |
| Photo Notes: | Start of G8513 in Mianyang |
| Direction A: | North |
| Terminus A: | in Sishilipu Town, Pingliang |
| Junction: | in Huating in Huating in Zhuanglang in Tianshui in Cheng County in Longnan Guangyang–Pingwu Expressway in Pingwu |
| Direction B: | South |
| Terminus B: | in Donglin Township Mianyang |
| Previous Type: | Expwy |
| Previous Route: | 8512 |
| Next Type: | Expwy |
| Next Route: | 8515 |
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 9650m (31,660feet) Guangshan tunnel through the Liupan Mountains.
| Section | Status | |
|---|---|---|
| Pingliang–Tianshui | Open[1] | |
| Tianshui–Longnan | Open[2] | |
| Longnan–Jiuzhaigou | Under construction | |
| Jiuzhaigou–Jiangyou | Under construction[3] | |
| Jiangyou–Mianyang | Open |