Group 1 - The opening of three intercity railways and two metro lines in the Guangdong-Hong Kong-Macao Greater Bay Area accelerates the formation of a "one-hour living circle" [1][2] - The newly opened intercity railways include Guangzhou East Ring Intercity, Pailian Intercity, and Guanghui Intercity North Extension, connecting with other intercity railways [1] - The new lines allow for quick access to key areas such as the Guangzhou Pazhou Exhibition Core Area, Guangzhou International Financial City, and Guangzhou Baiyun Airport, with travel times of 30 minutes to Baiyun Airport and 60 minutes to Shenzhen Airport [1] Group 2 - The Guangzhou Metro Line 13 Phase II, Line 14 Phase II, and Line 11 to Guangzhou East Station also opened on the same day, contributing to the expansion of the metro network [2] - By the end of 2025, the total operational mileage of "metro + intercity + tram" managed by the Guangzhou Metro Group is expected to exceed 1,300 kilometers [2] - As of the end of 2024, the total railway operating mileage in the Greater Bay Area is projected to exceed 2,800 kilometers, with urban rail transit reaching 1,477 kilometers [2]