積合せトラック物流における都市内集配活動のモデル化とその推定

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  • A Macroscopic-modeling of Urban Collection/Delivery Service on Consolidated Cargo Transport

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In the urban area, most of goods are carried by trucks, and the request of consumers and retailers for convenient service and high frequency delivery derived the increase of freight traffic flow in recent years, and the improvement of the logistic system in urban region has been getting nation-wide interest from the scepoint of traffic congestion and environmental pollution. Many kinds of countermeasures like truck-bay construction on road side, joint transport by common carriers and whole-salers, or socioscopic regulations are proposed against these problems.This study proposes a macroscopic collection/delivery model, where the rational economic behavior of carriers and truck drivers are introduced, and which can output the number of terminals, truck size, the number of trucks, running distance, running time, and so on, so as to evaluate the effects and the influence of those countermeasures. The model is applied on urban regions in Tokyo Metropolitan District, and the integrated survey are fulfilled for the model calibration and fitness test.

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