Group 1 - Chengdu's rail transit construction is actively progressing during the National Day and Mid-Autumn Festival holiday, with multiple ongoing projects making significant advancements [1][2] - The construction of Line 18 Phase III has seen 4 station main structures completed, with 3 stations entering the electromechanical installation phase, and a total of 93.1% progress in shield tunneling [1] - The Chengde Line's Fengtai Sanlu Station has completed 98% of its main structure, with all concrete pouring preparations ready, and 120 construction workers on site during the holiday [1] Group 2 - The Chengmei Line construction is also progressing well, with 1 kilometer of track laid in the shield section between Qinhuangsi Station and Guantang Station, laying the groundwork for subsequent electromechanical and decoration works [2] - A total of 9 station main structures have been completed for the Chengmei Line, with 93% of the overall shield tunneling progress achieved, and the Meishan section's shield tunnel fully connected [2]