1. Bin Xu and Boqiang Lin, Investigating the differences in CO2 emissions in the transport sector across Chinese provinces: Evidence from a quantile regression model, J. Cleaner Production, 2018, vol. 175, pp. 109–122.
2. Solaymani, S., CO2 emissions patterns in 7 top carbon emitter economies: The case of transport sector, Energy, 2019, vol. 168, pp. 989–1001.
3. Dou, S., Yao, Y., Zheng, H., et al., Delineating China’s urban traffic layout by integrating complex graph theory and road network data., J. Geo-information Sci., 2021, vol. 23, pp. 812–824.
4. Zhao, P., Lv, D., Hu, H., et al., Population-development oriented comprehensive modern transport system in China, Acta Geographica Sinica, 2020, vol. 75, pp. 2699–2715.
5. Shao, H. and Wang, Z., Spatial network structure of transportation carbon emissions efficiency in China and its influencing factors, China Population Res. Envir., 2021, vol. 31, pp.32–41.