According to the owner's guide website, the stations that the d7472 bullet train timetable passes through are Changsha Station, Guanshaling Station, Jianshan Station, Ningxiang West Station, Yiyang South Station, Hanshou Station, Changde Station, Taoyuan Station, Zhangjiajie West Station, Sangzhi Station and Longshan North Station. So D7472 takes a bus in Changsha and takes Changsha Station. If you need to buy a D7472 bullet train ticket, you can log on to 65472.
There is 1 1 station from Changsha Station to Longshan North Station, which starts at 16:28 and ends at 19:43. The whole journey takes about 3 hours 15 minutes.