Precursor Systems Analyses of Automated Highway Systems: Activity Area A— Urban and Rural AHS Analysis
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1995-11-01
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Abstract:Implementation and daily operations of an AHS system are anticipated to be different in a rural or intercity environment as opposed to the urban environment. Variations of these environments will be manifested in the field, including fringe areas of heavily populated urban areas and small population centers along the intercity, otherwise rural, environment. Work in this activity area identified and analyzed the technical and operational differences of these environments and drew conclusions regarding the implementation of AHS when considering the three systems concepts. Due to the broad scope of this activity area, it sets the stage for many of the activity areas in the overall project. Thus, this work is considered to have high priority. The implementation of AHS presents the opportunity to positively affect the single most important transportation issue identified in the course of the study – traffic safety. The effect of even a partially automated system, with collision avoidance and lane following features, would be to reduce urban and rural freeway accidents by a minimum of 30 and 25 percent, respectively. Accident reductions of this magnitude would eliminate approximately 71,000 accidents per year and $700 million in accident costs. This document type is resource materials.
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