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Development of Graphics Displays for the Integrated Traffic Data System

by Alberto J. Santiago, Federal Highway Administration, Federal Highway Administration,
Shih-Miao Chin, Federal Highway Administration, Federal Highway Administration,



Document Type: Proceeding Paper

Part of: Microcomputer Applications in Transportation II

Abstract:

This paper describes the development of interactive graphics displays for the Integrated Traffic Data System (ITDS) and provides technical details on the hardware and software considerations which, to a large extent, influenced the resulting end product. ITDS is a user-friendly, database-driven interface to various traffic simulation and signal timing optimization programs. Although very useful and effective, ITDS relies extensively on the user's capability to load and maintain traffic data from querying menus. By adding the graphics display interface, users are now able to efficiently load and maintain the database, 'draw' schematic displays of the data stored, efficiently determine its integrity, and significantly improve the quality of the data used as input to traffic models.

Subject Headings: Traffic signals | Traffic models | Interactive systems | Traffic surveys | Graphic methods | Computer models | Integrated systems

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