The Naxi-Guizhou Expressway is a section of the Xiamen-Chengdu Expressway within Sichuan Province, forming part of the horizontal route (16) of the national "7918" expressway network. It is also one of the 24 inter-provincial expressway exits from Sichuan Province as planned in the provincial expressway network. The route runs from south to north, connecting to the Xiamen-Chengdu Expressway in Guizhou Province, which spans from Guiyang to Bijie and then to the Sichuan-Guizhou border. It passes through Moni, Zhendong, Xuyong, Shuangqiao, Jiangmen, and Huguo, and northward connects to the already completed Chengdu-Longchang-Naxi Expressway. The total length of the expressway is approximately 135 kilometers. The Naxi-Guizhou Expressway is the first expressway built in karst areas in our province, with a design speed of 80 kilometers per hour, a subgrade width of 24.5 meters, one extra-long tunnel of 4,042 meters, and four extra-large bridges of 5,502 meters. The proportion of bridges and tunnels is approximately 40%.



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Naxi-Guizhou Expressway