| | Lines | Serious environmental impact | Middle environment impact | Light environmental impact |
| | Jinhu | — | Nanjing, Jinan | Beijing, Tianjin, and Shanghai | | Hebang | — | Hefei, Bengbu | — | | Jinshi | — | Shijiazhuang | Beijing | | Wuguang | — | Wuhan, Changsha | Guangzhou, Foshan | | Guangshengang | — | — | Guangzhou, Shenzhen | | Yongtaiwen | — | — | Ningbo, Taizhou, and Wenzhou | | Wenfu | — | Wenzhou, Fuzhou | — | | Fuxia | — | Fuzhou, Xiamen, and Quanzhou | — | | Zhenxi | | — | Zhengzhou, Xi ’an | | Xibao | — | — | Xi ’an, Baoji | | Huhang | — | Jiaxing, Hangzhou | Shanghai | | Hewu | — | Nanjing, Hefei, and Wuhan | — | | Hanyi | — | Hankou, Zhijiang, and Yinchuan | — | | Hening | — | Hefei, Nanjing | — | | Jiaoji | — | — | Jinan, Qingdao | | Shitai | — | — | Shijiazhuang, Taiyuan | | Huning | — | Nanjing, Suzhou | Shanghai | | Yiwan | Wangzhou, Ensi | — | Yichang | | Yuli | — | Chongqing, Fuling | Liangwu | | Suiyu | Suining, Shizuishan | — | — | | Dacheng | Dazhou, Suining, and Chengdu | — | — |
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