This research developed a system for visualizing four-dimensional (4-D), real-time transportation data for the major road networks of Washington, D.C., Northern Virginia, and the entire state of Maryland. The effort employed a combination of OpenGL and other modeling techniques to develop a scalable, highly interactive 4-D model using available geographic information system (GIS) and transportation infrastructure data in conjunction with real-time traffic management center data. The prototype system interacts with real-time traffic databases to show animations of real-time traffic data (volume and speed) along with incident data (accident locations, lane closures, responding agencies, etc.). A user can “fly” or “drive” through the region to inspect conditions at an infinite number of angles and distances. The program also allows users to monitor the status of and interact with traffic control devices such as dynamic message signs, closed-circuit television feeds, and traffic sensors and even view the location of emergency response vehicles equipped with Global Positioning System transceivers. Because the system uses standard GIS data and relatively standard transportation databases to derive traffic measures, it can be scaled to incorporate other states and agencies.


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    Title :

    Four-Dimensional Interactive Visualization System for Transportation Management and Traveler Information


    Additional title:

    Transportation Research Record: Journal of the Transportation Research Board


    Contributors:


    Publication date :

    2005-01-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Four-Dimensional, Interactive Transportation Management and Traveler Information Visualization System

    National Research Council (U.S.) | British Library Conference Proceedings | 2005


    Four-Dimensional Interactive Visualization System for Transportation Management and Traveler Information

    Pack, Michael / Weisberg, Phillip / Bista, Sujal | Transportation Research Record | 2005




    Wide-Area, Four-Dimensional, Real-Time Interactive Transportation System Visualization

    Pack, Michael L. / Weisberg, Phillip / Bista, Sujal | Transportation Research Record | 2007