Abstract
This paper investigated the impact of asymmetric preference on travelers’ route choices. Firstly, a status quo-dependent route choice mode was developed to describe travelers’ route choices. Then, based on that model, a route choice experiment was conducted, and during the experiment, participants were requested to choose a route from two arbitrary non-dominated routes. Finally, according to the observation data, data analysis and model parameter estimation were conducted. The results show that participants used different measures to trade off travel cost and travel time. Additionally, there was a gap between most participants’ willingness to pay (WTP) and willingness to accept (WTA). Moreover, participants’ WTP greater than their own WTA was the key reason resulting in the inertial route choices. The empirical results in this paper can help the traffic manager to understand travelers’ inertial route choice behavior from a different perspective.
Highlights
Travelers’ route choice behaviors have been researched for many years
Participants’ willingness to pay (WTP) greater than their own willingness to accept (WTA) was the key reason resulting in the inertial route choices
Inertial route choices that resulted from asymmetric preference
Summary
Travelers’ route choice behaviors have been researched for many years. Traditionally, it was assumed that all travelers would choose the routes with the shortest travel time [1]. Based on the research of De Borger and Fosgerau [35], Xu et al [4] proposed a status quo-dependent route choice model to handle the so called “wrong choice” behaviors from the view of inertial choice. In their proposed route choice model, travelers were assumed to “compare the travel cost to their status quo (travel cost of the currently used path) in deciding whether to switch to another alternative, and the underlying value of time is adaptive in the sense that it varies across different route choice contexts”.
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