【三预警齐发 雨雪冰冻降温进入最强时段】铁路公安全力护航旅客平安出行

Group 1 - The core viewpoint of the article highlights the proactive measures taken by railway police across various regions to ensure passenger safety amid severe weather conditions [1] - Due to heavy snowfall, train services in cities such as Shanghai and Shanxi have experienced cancellations and delays [1] - The Shanghai and Taiyuan railway police have mobilized skilled personnel to form youth volunteer service teams to provide assistance at key train stations [1]