Zhengwan High-speed Railway (Zhengzhou Wanwanzhou), referred to as Zhengwan High-speed Railway, also known as Zhengwan Passenger Line and Zhengwanke Special, is an important part of Zhengzhou High-speed Railway (Zhengzhou-Chongqing), and is also the main link between the Central Plains and Southwest China. High-speed passenger transportation channel, taking into account the intercity and tourist passenger transportation along the route. The length of the entire building is 818 kilometers. The estimated total investment is 118 billion yuan. The design speed is 350 km/h.After opening to traffic, the driving time from Zhengzhou to Chongqing will be shortened to less than 4 hours.