广东一地：全市交通信号灯，亮红灯！

Group 1 - The Guangdong Jiangmen Municipal Government has implemented a "Five Stops" policy (suspending classes, work, production, transportation, and business) starting from September 23 to mitigate the impact of Typhoon Haikaisar [1][2][4] - The traffic control measures will restrict all social vehicles from passing, except for emergency services and essential city services [2][3] - Citizens are advised to stay indoors and prepare essential supplies during the "Five Stops" period [6] Group 2 - Typhoon Haikaisar has been classified as a super typhoon and has maintained this status for over 74 hours, significantly impacting the region [8] - The typhoon's maximum wind speed reached 16 levels (55 m/s), with a minimum central pressure of 930 hPa, and is expected to move towards the coastal areas of Jiangmen and Zhanjiang [9] - Rainfall in Shenzhen has reached an average of 49.3 mm, with some areas experiencing heavy rainfall, indicating severe weather conditions [10]