What is the speed limit of Yaxi Expressway?

1, lane speed limit. According to the speed limit of bus lanes in general sections, the speed limit is 120 to 100 km/h, and the speed limit of passenger and freight lanes is 100 to 60km/h 2. Speed limit on road sections. The speed limit of the tunnel is 70km/h; On the downhill section with a long longitudinal slope of more than 3 kilometers, the speed limit of passenger car lanes is 90 to 70 kilometers per hour, and the speed limit of passenger and freight lanes is 80 to 60 kilometers per hour. 3. Speed limit by season. Temporary traffic control, such as diversion, flow restriction and no traffic, shall be adopted for motor vehicles.

Yaxi Expressway generally refers to Ya 'an-Xichang Expressway, which connects Ya 'an City and Xichang City in Sichuan Province, China, and is a national key highway construction project in the 11th Five-Year Plan.

Yaxi Expressway is located in the southwest of Sichuan Province, China, within the territory of Ya 'an City and Liangshan Yi Autonomous Prefecture, with the route from due north to due west. The line starts from Ya 'an West Interchange in Yucheng District of Ya 'an City in the north, passes through Yingjing, Hanyuan, Shimian, Mianning and other places to Lugu in Xichang, and finally ends at Mianning Interchange in Mianning County.

The Ya 'an-Xichang Expressway will take temporary closure control measures to prohibit vehicles from driving in bad weather such as rainstorm and blizzard and natural disasters such as mountain collapse.