>However, on July 1, 2011 in order to save energy and reduce operating costs, the maximum speed of Chinese high-speed trains was reduced to 300 km/h, and the av

>However, on July 1, 2011 in order to save energy and reduce operating costs, the maximum speed of Chinese high-speed trains was reduced to 300 km/h, and the average speed of the fastest trains on the Wuhan-Guangzhou High-Speed Railway was reduced to 272.68 km/h (169 mph).