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Portland State University

Civil and Environmental Engineering Faculty Publications and Presentations

Series

2009

Freight and freightage -- Planning

Articles 1 - 1 of 1

Full-Text Articles in Engineering

Practical Approximations To Quantify The Impact Of Time Windows And Delivery Sizes On Vmt Multi-Stop Tours, Miguel A. Figliozzi Apr 2009

Practical Approximations To Quantify The Impact Of Time Windows And Delivery Sizes On Vmt Multi-Stop Tours, Miguel A. Figliozzi

Civil and Environmental Engineering Faculty Publications and Presentations

This paper studies approximations to the average length of Vehicle Routing Problems (VRP). The approximations are valuable for strategic and planning analysis of transportation and logistics problems. The research focus is on VRP with varying number of customers, demands, and locations. This modeling environment can be used in transport and logistics models that deal with a distribution center serving an area with daily variations in the demand. The routes are calculated daily based on what freight is available. New approximations and experimental settings are introduced. Average distance travelled is estimated as a function of the number of customers served and …