| Country: | CHN |
| Type: | Expwy |
| Route: | 1511 |
| Alternate Name: | Rilan Expressway 日兰高速公路 |
| Spur Type: | Expwy |
| Spur Of: | 15 |
| Map: | G1511 map.svg |
| Length Km: | 472.36 |
| Length Ref: | [1] |
| Direction A: | East |
| Terminus A: | Yingbin Road, Donggang District, Rizhao, Shandong |
| Junction: | in Donggang District, Rizhao, Shandong in Yinan, Linyi, Shandong in Fei County, Linyi, Shandong in Qufu, Jining, Shandong in Rencheng District, Jining, Shandong in Juye County, Heze, Shandong in Mudan District, Heze, Shandong in Mudan District, Heze, Shandong |
| Direction B: | West |
| Terminus B: | in Xiangfu District, Kaifeng, Henan |
| Previous Type: | Expwy |
| Previous Route: | 1508 |
| Next Type: | Expwy |
| Next Route: | 1512 |
The G1511 Rizhao–Lankao Expressway, commonly referred to as the Rilan Expressway, is a 472.36km (293.51miles) that connects the cities of Rizhao, in the province of Shandong, and Kaifeng, in the province of Henan. The expressway is named after the two localities at its termini, Rizhao, to the east, and Lankao County, a county under the administration of Kaifeng, to the west. Despite this namesake, the expressway's western terminus is actually in Xiangfu District, a neighbouring district in Kaifeng.
The expressway is a spur of G15 Shenyang–Haikou Expressway.[2]
The expressway is entirely in Shandong except for a small portion in Henan. It connects the following prefectural-level cities: