1. National Bureau of Statistics (2022, February 28). Statistical Communiqué of the PRC on the 2021 National Economic and Social Development, Available online: http://www.stats.gov.cn/xxgk/sjfb/zxfb2020/202202/t20220228_1827971.html.
2. State Post Bureau of The People’s Republic of China (2022, February 28). 14th Five-Year” Express Delivery Industry Development Plan, Available online: https://www.spb.gov.cn/gjyzj/c204521/202202/666bdb79cc134a3dbd1ac3d88a4fcfeb.shtml.
3. State Post Bureau of The People’s Republic of China (2022, February 28). “14th Five-Year” Postal Industry Development Plan, Available online: https://www.spb.gov.cn/gjyzj/c100009/c100012/202201/f7f90da54b10432bb5cff518b4c7ebae.shtml.
4. The impact of China’s freight vehicle restriction policy on logistics and distribution;Sun;China Logist. Purch.,2014
5. Commission of the European Communities (2007). Green Paper: Towards a New Culture for Urban Mobility, Commission of the European Communities.