因个别乘客在车门关闭之际强行登车，致地铁4号线3409次下行列车临时停车，济南地铁发布安全倡议

Group 1 - The core message emphasizes the importance of passenger safety and orderly conduct while using the metro system, particularly in light of recent incidents involving passengers forcing their way onto trains [2][3] - The company has issued a public initiative urging passengers to wait behind the yellow safety line and adhere to the "first get off, then get on" principle to ensure a smooth boarding process [2] - Passengers are encouraged to plan their time effectively, arrive early at the station, and move towards the middle of the train once on board, avoiding leaning against the doors [2] Group 2 - The initiative also highlights the role of station staff in maintaining safety and order, urging passengers to cooperate with their guidance [2] - In case of unexpected situations such as temporary stops, passengers are advised to remain calm and wait for staff assistance [3]