Group 1 - The 2025 National Day and Mid-Autumn Festival will coincide, resulting in an 8-day holiday from October 1 to October 8, leading to increased travel demand [1] - Train ticket sales have started, with tickets available for purchase 15 days in advance, creating a rush for tickets as the holiday approaches [1] - The railway department anticipates a significant increase in passenger flow, characterized by high concentration during peak travel times and a mix of long-distance and short-distance trips [1][2] Group 2 - Due to high travel demand, certain routes and times may experience capacity constraints, particularly for trains with shorter travel times, which are likely to sell out quickly [2] - The railway will implement a peak operation schedule during the holiday, planning to operate approximately 13,000 passenger trains daily to meet demand [2] - The railway department will analyze big data from the 12306 platform in real-time to arrange additional temporary trains or night high-speed trains during peak periods [2] Group 3 - Travelers are advised to avoid peak travel days when possible and consider off-peak travel options to secure tickets more easily [3] - The 12306 platform offers a ticket reservation feature that allows for up to 60 combinations of "date + train number" to increase chances of securing tickets [3] - Students can utilize a special reservation service on the 12306 platform to purchase discounted tickets, allowing them to book in advance to avoid peak ticket sales [3]