Group 1 - The total cross-regional passenger flow during this year's Spring Festival travel season is expected to reach 9.5 billion trips, with railway passenger volume projected at 540 million trips [1] Group 2 - The upgraded "reserve" function allows each user to submit up to 6 pending orders, with a maximum of 3 travel dates per order, totaling no more than 60 combinations of "date + train number + seat type." The deadline for redeeming these orders has been extended to 20 minutes before departure, enhancing the success rate of reservations [2] - The railway department will also increase the supply of tickets by adding temporary trains and adjusting train sets based on reservation data, in addition to seats released from cancellations and changes [2] Group 3 - The "Light Travel" service has been introduced, providing luggage transportation within 35 kilometers of the station. This service is available in 111 cities, including Shenyang, Xi'an, Nanchang, and Urumqi, covering major provincial capitals and municipalities [3] - Passengers can book the "door-to-station" service 48 hours to 4 hours before departure, while the "station-to-door" service can be booked 24 hours to 1 hour before arrival [3] Group 4 - Over 8,000 high-speed trains will feature "quiet carriages" this Spring Festival, with the introduction of "children's activity areas" in collaboration with quiet carriage services [4] - The pet transportation service has been expanded to 110 stations, increasing the number of high-speed trains offering this service from 54 to 170. Passengers can transport up to 2 healthy pets with prior online reservations [4]