Abstract:In the urban road network, some factors may affect the average vehicle kilometer carbon emission (Average Kilometric Vehicle Carbon Emission, AKVC), especially in the road network of large cities, these factors may be more diverse. Factors in this study include the number of intersections per kilometer on the number of registered vehicles, the number of intersections per kilometer between the road section and the total area, and the total area between the road section and the number of vehicles. The study found that the number of intersections per kilometer was the only important factor affecting the AKVC of the regional road network, and all other factors had no significant impact on AKVC. As can be seen from the study, since "number of intersections per kilometer" is the most influential factor in reducing vehicle carbon emissions in road networks, it means that the number of intersections in urban road networks should be controlled or reduced.