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Impact of ATIS on Route Choice

UCD-ITS-RP-95-46

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Proceedings of American Society of Civil Engineers Transportation Congress, San Diego, CA

Advanced Traveler Information Systems (ATIS) are those vehicle features which assist the driver with planning, perception, analysis, and decision-making to improve the convenience and efficiency of travel. Information is a key to decision-making, and route choice is one of the most important decisions that the driver makes either before starting his trip or while driving en route. In this paper, several statistical analyses methods were performed on data collected from three waves of route choice surveys. The analyses yielded insight on the factors that affect traffic information use and route choice. The results indicated that traffic information is one of the main factors influencing route changes. This paper addresses the possible impact of ATIS on drivers route choice, and the interplay between route choice and traffic information. The results' implications for ATIS development is discussed in the paper.