G-series trains

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G-series trains (Chinese: 高速动车组列车) are the fastest train services of China Railway. The trains usually run on dedicated high-speed railways with a designed top speed of 350 km/h (217 mph). The prefix "G" is pronounced as Gao in the CR system, which is short for Gaosu Dongche meaning high-speed EMUs in Chinese. The numbering of G trains are defined by the prefix G followed by a train number. Compared with D-series trains, G-series trains are operated at higher speeds for either part or whole of the journey, and if compared to the D trains sharing the route, may have fewer stops and even overtake these D trains by giving the latter a longer stay at some stations. G trains are also the only type of train that do not permit standees.