A Study on the Method of Freight Generation Estimation according to Company Size in Seoul Metropolitan Area

Park, Sang-Chul; Choi, Chang-Ho

Journal of Navigation and Port Research 2005;29(5):431-437.
Published online June 30, 2005.

수도권의 사업체 규모에 따른 화물발생 예측 방법론 연구

박상철, 최창호

A Study on the Method of Freight Generation Estimation according to Company Size in Seoul Metropolitan Area

Sang-Chul Park, Chang-Ho Choi

Abstract

In korea, Freight generation models developed in korea were estimated by spatial unit method which predict freight flow by traffic zone. But it is difficult to predict freight generation using these models, because there are the difference of the totality method of sampling data on freight volume and the variability of the variables by these models on each case study. This study developed new estimation model to predict freight flow which is generated from each company using the characteristics of each comαmy such as the freight outbound & inbound volume, the number of employee, sales, gross area, land area. This model is simpler than the that of spatial unit and can apply to the other region. The subjects of study were companies in metropolitan area and types of model were exponential regression models. The adequate explanatory variable in the models were sales, this study have a uniqueness apply micro research method to estimate freight generation not use spatial unit method but use flow unit method by each company unit.

Key Words: Freight generation;Company size;Goods movement survey;Exponential regression model