Trip distribution analysis can be defined as the determination of the pattern of trip interchanges between land-use parcels or traffic zones using an analytical method. Various analytical methods for trip distribution can be grouped as growth-factor methods and synthetic methods. A commonly used synthetic model for trip distribution is the gravity model. This paper addresses the estimation of travel deterrence for trips made for different purposes and by different modes through calibration of two gravity model formulations, using the data set pertaining to a medium-size city with a complex travel environment in India. Stratified data of home-based trip distribution for three trip purposes, and trips made by five different modes, were used to calibrate the model formulations. Models of type I formulation were calibrated via a cell-by-cell comparison procedure and models of type II formulation were calibrated as per the Bureau of Public Roads, United States method. It was found that the parameter values derived for the models of both formulations were logical and statistically significant. Modeling stratified trip distribution, aside from yielding models of better predictive power, provides insight into the relative effect of travel deterrence on trips made for different purposes and by different modes.


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  • Accession Number: 00726125
  • Record Type: Publication
  • Files: TRIS, ATRI
  • Created Date: Sep 28 1996 12:00AM