The Chengdu–Dazhou–Wanzhou high-speed railway or Chengdawan HSR (Chinese: 成达万高速铁路; pinyin: Chéngdáwàn Gāosù Tiělù) is a high-speed railway currently under construction in China.

This line forms part of the Shanghai–Chongqing–Chengdu high-speed railway.

This railway was planned as early as 2015.

[2] Construction began on 30 September 2022.

This People's Republic of China rail-related article is a stub.