Recent advances in activity-based travel demand modeling

Abstract

This paper presents an overview of recent and on-going advances in activity-based travel demand modeling, organized in terms of the methodologies employed (including computational process models, structural equation model systems, and hazard-based duration models) and the phenomena being modeled (including in-home and out-of-home activity participation, interpersonal dependencies, and daily activity-travel patterns). The paper sets the overview of the recent and on-going advances in activity-based travel modeling in the context of the long and rich history of activity-based travel analysis, which was first proposed about 20 years ago as an alternative to the trip-based modeling framework and the discrete choice, utility-maximizing models that were being incorporated into the trip-based travel demand modeling framework at that time.