On July 7, 2023, Taiyuan limited number 2 and 7. On July 8, Taiyuan is not limited. Taiyuan opened on July 9. July 10 Taiyuan limit number 1 and 6. July 1 1 Taiyuan limit number 2, 7. July 12 Taiyuan Limited Number 3, 8. Limiting the number of cars is a policy to avoid traffic congestion.