The Beijing–Guangdong high-speed train () is a high-speed train service operated by China Railway Beijing Group (CR Beijing) on Beijing–Guangzhou–Shenzhen–Hong Kong HSR in China. Currently, 2 pairs of trains are operated daily between and with train numbers G66/69 and G67/70, 1 pair of trains daily between Beijing West and in Shenzhen with train numbers G71/72 and 1 pair of trains daily between Beijing West and with train numbers G65/68. History The high-speed train services between Beijing and Guangzhou date back to 26 December 2012, when the Beijing–Zhengzhou section of the Beijing–Guangzhou–Shenzhen–Hong Kong HSR was opened. At the initial stage, 2 pairs of trains were operated daily between and with train numbers G79/82 and G80/81. The G71/72 trains also started service between and from 26 December 2012. On 28 December 2013, the southern terminus of the G79/82 service was extended to and the train number of the Shenzhen-bound service was changed from G82 to G80. The former G80/81 service between Beijing West and Guangzhou South had the train numbers changed to G66/69 and 2 more pairs of trains (G65/68 and G67/70) between Beijing West and Guangzhou South started services. After the adjustment, there were 3 pairs of trains operating daily between Beijing West and Guangzhou South (G65/68, G66/69 and G67/70), and 2 pairs of trains between Beijing West and Shenzhen North (G71/72 and G79/80). On 5 January 2017, the G71/72 and G79/80 services were extended to . With the inauguration of the Guangzhou–Shenzhen–Hong Kong XRL Hong Kong section on 23 September 2018, the G79/80 service was extended to , and became the fastest train service between Beijing and Hong Kong (see Beijing–Hong Kong High-Speed Train). On 10 July 2019, the G65/68 service was extended to . (Note that G80 and G79 between Hong Kong and Beijing, via Shenzhen and Guangzhou, are staffed by CR Guangzhou, not CR Beijing) Operations Train G66 only stop at stations of province capitals and is thus the fastest train service from Guangzhou to Beijing, with a travelling time of 8 hours. The train is also called as the "benchmark train" (). ●: stop at the station ↓ or ↑: pass the station —: out of service range : Benchmark train (Note that the Hong Kong / Beijing G79 and G80 trains are "benchmark" trains too but is not listed above) Train formation The G66/69, G67/70 and G71/72 services are operated by 16-car CRH380AL trainsets with the