The official has not announced the start time. According to the inquiry from Sichuan, in 2023, after the "8.21"mountain flood disaster in Sichuan, the project of JN 1 section of expressway, Jiang Yan, a subsidiary of Sichuan Road and Bridge Group was stopped, and the company immediately started the emergency mechanism, organized emergency rescue and carried out investigation and rectification of potential safety hazards. As of June 5438+065438+1October 18, 2023, the official school commencement date has not been announced.