The design of a comprehensive microsimulator of household vehicle fleet composition, utilization, and evolution.

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The report describes a comprehensive vehicle fleet composition, utilization, and evolution
simulator that can be used to forecast household vehicle ownership and mileage by type of
vehicle over time. The components of the simulator are developed in this research effort using
detailed revealed and stated preference data on household vehicle fleet composition, utilization
and planned transactions collected for a large sample of households in California. Results of the
model development effort show that the simulator holds promise as a tool for simulating
vehicular choice processes in the context of activity-based travel microsimulation model
systems.