Group 1 - The railway police are enhancing security measures and coordination to ensure a smooth and orderly flow of passengers during the peak travel period leading up to the Spring Festival [1][2] - The Ministry of Public Security's Railway Police Bureau is conducting regular video surveillance of over 100 major passenger stations to monitor passenger flow and security conditions [1][2] - Various local railway police departments are implementing a combination of fixed and mobile patrols, increasing security personnel and inspection channels during peak hours to improve efficiency [2][3] Group 2 - The railway police are optimizing passenger flow routes and setting up isolation facilities to prevent crowding and ensure safety [3] - Emergency response drills are being conducted, and adequate emergency resources are being prepared to handle unexpected situations [3] - Local police are collaborating with railway stations to establish real-time monitoring and dynamic analysis of passenger flow, enhancing the overall security framework [2][3]