Some 11.28 million train trips were made on Thursday, Dragon Boat Festival, up 15.1 percent from the same period last year.
This is also above an estimate of 10.7 million trips expected on Thursday, according to the China Railway Corporation.
Train trips are expected to drop to 8.25 million on Friday, the second day of the three-day holiday.
A total of 411 trains were added Thursday and the figure will be 324 on Friday.
Railway authorities have temporarily prolonged the operating time for online ticketing systems during the holiday, and travelers can check vacant seat information and book tickets at 12306.cn half an hour before the trains depart instead of the usual two hours.
Dragon Boat Festival is celebrated on the fifth day of the fifth month of the Chinese lunar calendar, it fell on June 9 this year.
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