BEIJING, Feb. 7 -- China's railways have handled over 300 million passenger trips during the ongoing 40-day Spring Festival travel rush, the China State Railway Group Co., Ltd. (China Railway) said on Friday.

As of Thursday, the country's railway passenger trips during this period had reached 310 million, according to China Railway.

Railway passenger trips on Thursday alone totaled 15.14 million, data revealed.

Railway departments across the country have allocated transportation capacity scientifically, strengthened travel services, and ensured that passengers have safe, orderly and comfortable journeys.

Chinese authorities expect an unprecedented 9 billion inter-regional trips during this year's Spring Festival travel rush.

This travel surge, the world's largest annual human migration, kicked off on Jan. 14 and will continue through Feb. 22 this year.