The number limit rule in Lanzhou in 2023 is that from Monday to Friday, the last digit of the license plate number corresponds to 1 and 6, 2 and 7, 3 and 8, 4 and 9, 5 and 0 in turn, and the arrival of non-Gan A license plates in Lanzhou on the same day is not restricted, and the same policy will be implemented in the same city from the next day. The time limit is 7:30-20:00 on weekdays.