Abstract
In this paper, we aim to clarify the effect of time zone delivery (TZD) and collection/delivery points (CDPs) by using simulation analysis. First, we find out that TZD basically increases the vehicle mileage. However, in areas with high delivery failure rates, when the reducing effect of the redelivery by TZD is large enough, it decreases the vehicle mileage. Second, we clarify that CDPs reduces the vehicle mileage when CDP is in the center of the delivery section, and the higher the utilization rate and the smaller the population density, the less vehicle mileage, but as the distance from the center and the number of CDPs increases, the reduction effect on vehicle mileage decreases.