Upon inquiry, Qingzhen section of the expansion project from Guiyang to Anshun in Shanghai-Kunming National expressway is expected to be completed and opened to traffic by the end of 65438+February in 2024. It is estimated that in September 20021year, when will the Qingzhen section of the Shanghai-Kunming national high-tech Guiyang-Anshun expansion project start? When will the expansion project of Anshun-Panzhou section of Shanghai-Kunming Expressway start? It connects Guiyang-Anshun expansion project of Shanghai-Kunming Expressway in the north, connects the completed Puding to expressway in Anshun and expressway in the west ring of Anshun, and passes through Puding County, Racecourse, Longhe, Yanjiao, Que, Zhongzhai and Monkey Farm. The Yanfengdong Tunnel, which ends at the border between Guizhou and Yunnan, is connected to the planned Zhanyi-Panzhou capacity expansion section in the south, with a total length of about170km, an actual construction mileage of about130km, six lanes in both directions and a total investment of about 32.3 billion yuan. The domestic mileage is 94 kilometers, and the estimated investment is about 26.2 billion. Set up seven toll stations: Longhe, Gezhi, Huajia, Niangniangshan, Mudi, Pingdong and Panguan. It is planned to start construction at the end of 20021,with a total construction period of 48 months.