Benefits of Common Distribution to Urban Freight Transportation System

被引：0
|
作者：
Lu H. [1 ]
Yuan M. [1 ]
Liu Y.-X. [1 ]
Du Z.-P. [1 ]
机构：
[1] School of Logistics, BeijingWuzi University, Beijing
来源：
Jiaotong Yunshu Xitong Gongcheng Yu Xinxi/Journal of Transportation Systems Engineering and Information Technology | 2019年 / 19卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Energy saving and emission reduction; Joint distribution; System dynamics; Urban traffic;
D O I：
10.16097/j.cnki.1009-6744.2019.06.002
中图分类号：
学科分类号：
摘要：
Based on the six factors of urban GDP, transport infrastructure, freight volume, freight vehicle scheduling, energy and environment, the dynamic model of urban freight transportation system is constructed, which compares changes on the congestion, transportation costs, energy saving and emissions reductions of freight transportation system before and after the implementation of common distribution. Taking Jinan City as an example, and the results show that with the increase of loading occupancy and average transportation distance, the marginal revenue of implementing common distribution is decreasing, and the peak-to-night adjustment of delivery time also has a significant impact. The overall efficiency of the joint distribution is optimal under the load-carrying rate of [70%, 80%], the average shipping distance of [70, 80] km, and the distribution day- to- night ratio of [6:4, 7:3]. However, energy saving and emission reduction benefits can be further improved by increasing the proportion of new energy trucks, the result shows that every 20% increase of using new energy trucks will bring about an average reduction of 30% in energy saving and emission reduction of freight transportation systems. Copyright © 2019 by Science Press.
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页码：6 / 12and19
页数：1213
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