Simplified Techniques for Developing Transportation Plans -Trip Generation in Small Urban Areas

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Simplified Techniques for Developing Transportation Plans -Trip Generation in Small Urban Areas

W. R. Jefferies / E. C. Carter

The object of this research was to investigate simplified techniques for developing transportation plans in the smaller urban areas and to investigate, in detail, the socio-economic characteristics of trip makers which affect home-based vehicle work trip generation. The investigation of simplified techniques for developing transportation plans in the smaller urban areas indicated that they were feasible using the gravity model but that determining trip generation was the key to accurately applying the gravity model in smaller urban areas. Home-based vehicle work trip production was investigated in six small urban areas. It was found that a log-log relationship existed between automobile ownership and trip generation and that the trip generation equations developed in this research satisfactorily explained the relationship. Further investigation indicated that it was feasible to develop a single equation which could be used satisfactorily to determine home based vehicle work trip production in any of the six urban areas. The equation explained the variation between urban areas as a function of dwelling unit density, residential density, and percent of the orban area in residential land use. (Author)