Core Points - The Guangzhou Airport Second Expressway South Section has been completed and opened to traffic, marking the full connection of the 46.16-kilometer expressway [1][3] - The expressway enhances the highway network in Guangzhou, connecting key areas and improving access to Baiyun Airport [3] Group 1 - The total length of the Airport Second Expressway is 46.16 kilometers, with the South Section measuring 24.05 kilometers [1][3] - The South Section connects the North Section of the Airport Second Expressway, the Guangshen Expressway, and the Guangzhou Ring Expressway, linking five major expressways [3] - Citizens can now travel from central districts like Tianhe and Huangpu directly to Baiyun Airport's T3 terminal via this new route [3]