Core Viewpoint - The article provides detailed information on recent traffic control measures in Beijing, including road closures, detours, and adjustments to public transportation routes due to various incidents and events [3][11][40]. Group 1: Traffic Control Measures - Shunping Road near Chaobai River Bridge is closed in both directions due to a fire incident on April 23, with temporary traffic management measures in place [3]. - Traffic diversion suggestions for vehicles are provided, including specific routes for freight and social vehicles to avoid the closed areas [4][5]. - Public transport routes 915 and 918 are temporarily rerouted, skipping several stops due to the road closure [6]. Group 2: Additional Traffic Management - Traffic management measures are implemented at the intersection of Niujie and Shuru Hutong starting April 28, 2025, prohibiting U-turns for vehicles [9]. - Temporary traffic management is also in effect for Xizhou Road in Tongzhou District from April 15 to October 11, 2025, restricting access to certain areas during construction [11]. Group 3: Event-Related Traffic Control - The 2025 Shunyi Half Marathon is scheduled for April 26, with specific traffic control measures in place from April 25 to ensure safety and smooth traffic flow during the event [40][51]. - Various roads will be closed or restricted during the marathon, with detailed instructions for detours provided for vehicles and public transport [43][50]. - A total of 12 bus routes will undergo temporary operational changes during the marathon, including route adjustments and stop cancellations [47].

Core Points - Sudden severe convective weather has impacted the Pearl River Estuary and the Hong Kong-Zhuhai-Macao Bridge area, posing significant threats to navigation safety [1] - The Maritime Safety Administration has implemented traffic control measures, prohibiting inland vessels from passing through the bridge's navigation channel to ensure the safety of maritime operations [1] - A warning has been issued for gusts exceeding level 8 in the Pearl River Estuary during the night of the 12th, with strict compliance required from all vessels navigating the bridge area [1] Summary by Category - **Weather Impact** - Severe weather conditions, including heavy rainfall and thunderstorms, have been reported in the Pearl River Estuary and surrounding areas [1] - Wind speeds have reached level 6 in the Hong Kong-Zhuhai-Macao Bridge area, indicating a significant weather disturbance [1] - **Safety Measures** - The Maritime Safety Administration initiated traffic control at 17:00 to prohibit inland vessels from using the bridge's navigation channel [1] - Vessels are required to adhere strictly to control directives, with a focus on preventing risky navigation in the affected areas [1] - **Warnings and Precautions** - A forecast indicates gusts of wind exceeding level 8 in the Pearl River Estuary, necessitating heightened vigilance from all vessels [1] - Anchored vessels must reinforce mooring equipment and maintain 24-hour personnel watch to prevent drifting [1] - In case of emergencies, vessels are instructed to report via VHF channel 16 or call the emergency hotline 12395 [1]