Want to know: where is Dashan Expressway in Dazhou?

Dashan expressway starts from the north of Dazhou, passes through Xuanhan, Puguang, Baisha and Wanyuan, and ends at the junction of Sichuan and Shaanxi in Dabashan Tunnel, with a total length of 143.244 km. All the sections of the whole line are mountainous terrain, and 5 1% of the sections pass through bridges and tunnels, with a design speed of 80km/h and a total investment of about104.725 million yuan. Dashan Expressway has 9 toll stations including Xuanhan, Puguang and Gold.