HUMAN FACTORS CONSIDERATIONS FOR IN-VEHICLE ROUTE GUIDANCE

This paper considers the development and maintenance of credibility in the design, implementation, and operation of a route guidance system. Because drivers will have positive attitudes about a system that provides them with relevant, reliable, and accurate information, all precautions must be taken to ensure that these driver expectations are met. Messages must be presented clearly and must allow ample time for the driver to respond to a given situation. Factors that affect reading time of displays include driver work load, message load, message length, message familiarity, and display format. In order to maintain driver credibility, surveillance must be an integral part of a route guidance system. Such surveillance must be able to detect adverse conditions, validate the adverse conditions, and determine the nature and scope of the problem. Electronic sensor surveillance, however, has some limitations. Because it is a blind system, (a) some form of visual validation and assessment of incidents to ensure the accuracy of displayed messages and (b) some guarantee of adequate system maintenance are necessary. A "forgiving" system--one that alerts the driver and provides instructions about how to return to a scheduled route after a diversion--must also be considered. (Author)

• Record URL:
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• Record URL:
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• Supplemental Notes:
  • Publication of this paper sponsored by Committee on Traffic Flow Theory and Characteristics. Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved
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• Authors:
  • Dudek, Conrad L
• Publication Date: 1979

Media Info

• Media Type: Print
• Features: References;
• Pagination: pp 104-107
• Monograph Title: TRAFFIC CONTROL DEVICES, GEOMETRICS, VISIBILITY, AND ROUTE GUIDANCE
• Serial:
  • Transportation Research Record
  • Issue Number: 737
  • Publisher: Transportation Research Board
  • ISSN: 0361-1981

Subject/Index Terms

• TRT Terms: Advanced vehicle control systems; Advanced vehicle control systems; Automated vehicle control; Human factors; Information display systems; Route guidance
• Old TRIS Terms: Displays
• Subject Areas: Highways; Operations and Traffic Management; Safety and Human Factors;

Filing Info

• Accession Number: 00315077
• Record Type: Publication
• ISBN: 0309029929
• Report/Paper Numbers: HS-029 521
• Files: HSL, TRIS, TRB
• Created Date: Oct 8 1984 12:00AM