Study of the human/ITS interface issues on the design of traffic information bulletin board and traffic control signal displays
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Study of the human/ITS interface issues on the design of traffic information bulletin board and traffic control signal displays

Filetype[PDF-212.59 KB]


  • English
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    • Creators:
    • Corporate Contributors:
      University of Rhode Island. Transportation Center
    • Subject/TRT Terms:
    • Resource Type:
      Research Paper
    • NTL Classification:
      NTL-INTELLIGENT TRANSPORTATION SYSTEMS-INTELLIGENT TRANSPORTATION SYSTEMS
    • Abstract:
      The success of automation for intelligent transportation systems is ultimately contingent upon the Interface between the users (humans) and the system (ITS). The issues of variable message signs (VMS) and traffic signal device (TSD) design were studied in this project. Well-designed variable message signs and high traffic signal device will get better driver response. Those messages or signals will serve the intended purposes to help the ITS system function effectively. In this project, computer simulations and experimental design were conducted to determine the significant factors such as size, color, and shape, which might affect the drivers' response. In addition to the commonly used circular-shaped traffic signals, other shaped signals were also included in this study. Variable message signs (VMS) are programmable message bulletin boards that are used to provide information about changing condition on highways to improve operations, reduce accidents, and inform drivers. This project studied the variable message signs used in present transportation system and explored potential improvements through designed experiments. It evaluated the impacts on several factors on the design and display of VMS as the effectiveness of VMS depends upon its color scheme, format, size, wording, etc. 19 pages.
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