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Core Points - The article discusses the severe damage to mountainous roads in Beijing due to recent heavy rainfall and flooding, emphasizing the importance of public awareness regarding road closures for safe travel [1] - The Beijing Traffic Operation Command Center (TOCC) plays a crucial role in collecting and disseminating road condition information to the public [1][2] Group 1: Road Condition Information - The TOCC utilizes various communication channels, including WeChat, Weibo, and dedicated work groups, to report road conditions, especially during extreme weather [2] - From July 27 to July 29, the TOCC reported a total of 158 road condition updates, indicating a significant increase in notifications compared to normal periods [2] - On July 26 alone, the TOCC issued 12 road condition updates, reflecting a marked rise in communication during the flood period [2] Group 2: Monitoring and Response - The TOCC's updates included information on road closures due to water accumulation and landslides, which were promptly communicated to navigation platforms and media for real-time updates [3] - Continuous monitoring by road maintenance personnel is essential, especially when infrastructure is damaged and video surveillance systems fail [3] - The TOCC's communication improved public navigation planning, allowing citizens to avoid hazardous areas during the flooding [3] Group 3: Weather Impact and Recovery - Following a night of heavy rain, the TOCC's communication activity increased significantly, with frequent updates on road closures and water accumulation [4] - As the weather improved and the yellow rain warning was lifted, the TOCC began reporting more messages about cleared roadways and restored access [4]