Core Viewpoint - The article reports that due to the impact of Typhoon "Weipa," all city trains in Haikou have been suspended since July 20, with plans to resume operations on July 21 at 19:00, subject to dynamic adjustments based on the typhoon's effects [1] Group 1 - The railway department has indicated that the operation plans for the Hainan Ring Island High-speed Railway, Haikou city trains, and passenger trains entering and leaving the island will be adjusted dynamically due to the typhoon [1] - Travelers with plans to travel are advised to check the railway 12306 website and station announcements for the latest train operation information to arrange their travel accordingly [1]