The G6511 Ansai-Qingjian Expressway (Chinese: G6511安塞清澗高速公路; pinyin: G liùwǔyīyī Ānsāi-Qīngjiàn gāosù gōnglù), also known as the Anqing Expressway (Chinese: 安清高速公路; pinyin: Ān Qīng gāosù gōnglù), or Shaanxi Provincial Expressway S14 (Chinese: 陝高速S14; pinyin: Shǎn gāosù S shí sì), is an under construction expressway in Shaanxi, China. A segment connecting Qingjian County, in Yulin to neighboring Zichang, in Yan'an, was opened in 2020. Once completed, the expressway will extend to Ansai District, in Yan'an.