Travelers’ Route Choice Behavior In Response To Travel Time Reliability Information Provision
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Date
2018
Department
Transportation
Program
Master of Science
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Abstract
This study investigates travelers’ perception of and response to travel time information and its reliability, in terms of their route choice behavior elicited through a driving simulator and a stated preference (SP) survey. In the driving simulator-based experiments, a 220 mi2 network in Maryland is developed, and different scenarios of traffic and driving conditions, information provision, and reliability levels are considered. The travel time information is provided using a variable message sign (VMS). There are three major routes between the origin and destination, one of which is a toll road. Some 216 experiments are conducted using a sample of 65 participants from diverse socioeconomic backgrounds. Binary and multinomial logistic regression models are used to analyze the collected data. The results illustrate that trip purpose, travel time reliability, congestion level, and income are important determinants of drivers’ route choice and compliance behaviors. The route choice behavior revealed through the driving simulator is shown to be significantly different from that stated in the survey questionnaire.