 By the end of 2018, China Railway High-speed provided service to all provinces in China except for Taiwan, and operated over passenger tracks in length, accounting for about two-thirds of the world's high-speed rail tracks in commercial service.It is the world's most extensively used railway service, with 1.713 billion trips delivered in 2017 bringing the total cumulative number of trips to 7 billion.Over 1000 sets of rolling stock are operated under the CRH brand including Hexie CRH1/2A/5 that are designed to have a maximum speed of , and CRH2C/3 have a maximum speed of .