Methods for Estimating Patronage of Demand Responsive Transportation Systems – Final Report
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1977-12-01
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Edition:Final Report April 1975 - July 1977
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Abstract:This study has developed a method for estimating patronage of demand responsive transportation (DRT) systems. This procedure requires as inputs a description of the intended service area, current work trip patterns, characteristics of the served population, and the major design choices, such a.s the vehicle fleet size, changes in fleet size over the day, types of vehicles being used (buses or taxis) , and the fare level. Using these data, the model predicts patronage and service levels for each user-specified interval during the day. The model system has been developed as a software package which includes a set of disaggregate demand models, a set of analytic supply models, and an equilibration procedure. In addition, a simple sketch planning procedure has been developed which can be used ;'^or quick, preliminary analysis of DRT sites. The models have been estimated on data from existing systems in Rochester, NY and Hadconfield, NJ and validated on systems currently operating in Davenport, lA and LaHabra, CA. Comparisons of forecasts and actual ridership levels have also been carried out for six other U.S. DRT systems.
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