Abstract
Joint destination-mode travel choice models are developed for intercity long-distance travel among sixteen cities in Yangtze River Delta Megaregion of China. The model is developed for all the trips in the sample and also by two different trip purposes, work-related business and personal business trips, to accommodate different time values and attraction factors. A nested logit modeling framework is applied to model trip destination and mode choices in two different levels, where the lower level is a mode choice model and the upper level is a destination choice model. The utility values from various travel modes in the lower level are summarized into a composite utility, which is then specified into the destination choice model as an intercity impedance factor. The model is then applied to predict the change in passenger number from Shanghai to Yangzhou between scenarios with and without high-speed rail service to demonstrate the applicability. It is helpful for understanding and modeling megaregional travel destination and mode choice behaviors in the context of developing country.
Highlights
A megaregion can be defined as a chain of roughly adjacent metropolitan areas with strong social and economic linkages [1]
A nested logit modeling framework is applied to model trip destination and mode choices in two different levels, where the lower level is a mode choice model and the upper level is a destination choice model
The travel times by various intercity travel modes are specified as a generic variable, which take the same coefficient of −0.0114
Summary
A megaregion ( known as megalopolis or megapolitan city) can be defined as a chain of roughly adjacent metropolitan areas with strong social and economic linkages [1]. America 2050 [2], a program of the Regional Plan Association, has identified eleven megaregions in North America. There are several megaregions being developed in other continents, such as Sydney Region in Australia, Tokyo urban agglomeration in Asia, the megacity of Cairo in Africa, and the megacity of Sao Paulo in South America [6]. With rapid urbanization in China, ten major megaregions ( called urban agglomeration) are being formed in China according to the research supported by the National
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