京沪高速铁路
The Beijing–Shanghai High-Speed Railway Co., Ltd. was in charge of construction. The project was expected to cost 220 billion yuan (about $32 billion). An estimated 220,000 passengers are expected to use the trains each day, which is double the current capacity. During peak hours, trains should run every five minutes. 1,140 km, or 87% of the railway is elevated. There are 244 bridges along the line. The 164-km long Danyang–Kunshan Grand Bridge is the longest bridge in the world, the 114-km long viaduct bridge between Langfang and Qingxian is the second longest in the world, and the Cangde Grand Bridge between Beijing's 4th Ring Road and Langfang is the fifth longest. The line also includes 22 tunnels, totaling . A total of of the length is ballastless.