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- W616233480 abstract "The value of traveler information systems depends on two major assumptions: i) drivers are incapable of accurately acquiring information on their own, and ii) the provided information is relevant to the drivers’ choice preference. None of these two assumptions has ever been examined in a real-world experiment. In addition, although the second of the two assumptions has been addressed in numerous publications, the first assumption remains under-researched. Drivers’ perceptions of traffic conditions are undoubtedly an important factor in transportation engineering. Yet, little attention has been given to the capability of drivers to accurately perceive traffic conditions; such as travel distance, travel time, travel speed, and traffic levels. Because of cost limitations, most travel research is based on either stated preference surveys or travel simulators; both of which are characterized with serious limitations due to their inability to address the accuracy of travelers’ perceptions. To address this point this work is based on a real-world route choice experiment of a sample of 20 drivers and more than 2,000 real-world choices. Each of the drivers’ experiences, perceptions, and choices were recorded, analyzed and cross examined. The results of the experiment indicate that: a) correct perceptions were only 50% accurate and drivers’ perceptions of travel speeds were more accurate than their perceptions of travel times; b) while drivers’ travel time perceptions was the most important factor in explaining driver choices, travel distance perceptions was the least important. c) there are significant discrepancies between stochastic user equilibrium and real-world route choices." @default.
- W616233480 created "2016-06-24" @default.
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- W616233480 date "2012-01-01" @default.
- W616233480 modified "2023-09-26" @default.
- W616233480 title "A Real-World Route Choice Experiment to Investigate Drivers Perceptions and Choices" @default.
- W616233480 hasPublicationYear "2012" @default.
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