United States Department of Transportation
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Abstract:This Phase One report documents a three-year research program by the Arizona Transportation Research Center to study possible practical applications of vehicle and infrastructure-based technologies. The project has reviewed, evaluated and demonstrated Intelligent Vehicle and Automated Highway System concepts that may improve the safety and efficiency of Arizona's highway system, particularly in winter maintenance operations. The key accomplishment of Phase One was to develop a research partnership with the California Department of Transportation (Caltrans) in their Advanced Snowplow (ASP) program. The Caltrans prototype plow, guided by discrete magnetic markers in the roadway, features lane position indication, lane departure warning, and a forward collision warning radar system. The ASP has been tested through two winters, 1998-99 and 1999-2000. Training and evaluations have been conducted at the California test facility on Interstate 80 near Donner Summit, and at a second dedicated test site on US 180 near Flagstaff, Arizona. This project report is presented in two sections. Section I gives a general history of the program, describing Arizona's interest and involvement in the Automated Highway System and Intelligent Vehicle technologies through the summer of 2000. Section II of this report focuses in more detail on the Caltrans partnership, the site selection, the development of the magnet infrastructure in Arizona, and the initial two winters of testing and operational evaluation. The Arizona Department of Transportation-Caltrans partnership, and the project, are ongoing in 2001 and 2002.
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