What are the procedures for getting off at Huixian Expressway in Lanzhou?

Hold a 48-hour negative nucleic acid test certificate. What about the green code?

In Gansu, only the trip code and the 48-hour nucleic acid test report can get off the expressway, and the trip code is green.

Huixian County belongs to Longnan City, Gansu Province. It is named after Huishan Hill at the foot of Huishan Mountain in the north corner of the city. It is located in the southeast of Gansu Province and the northeast of Longnan City. Huicheng Basin in Qinba Mountain area, located at the southern foot of Qinling Mountain and the upper reaches of Jialing River. It borders Tianshui City in the north, Liangdang County in the east, Chengxian County in the west and Lueyang County in Hanzhong City, Shaanxi Province in the southeast.