Zhengzhou-wanzhou high-speed railway (zhengzhou-wanzhou), referred to as zhengzhou-wanzhou high-speed railway, also known as zhengzhou-wanzhou passenger dedicated line and zhengzhou-wanke special line, is an important part of zhengzhou-yuzhou high-speed railway (zhengzhou-chongqing). It is also the main high-speed passenger transport channel connecting central China and southwest China, taking into account the inter-city and tourist passenger transport along the line. The total construction length is 818km. The estimated total investment is 118 billion yuan. The designed driving speed is 350km/h. After its opening, the drive time from zhengzhou to chongqing will be reduced to less than four hours.