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Development of a Virtual Weigh Station for Monitoring Overweight Vehicles on Secondary Routes
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2019-12-01
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By Webb, Davin
[PDF-1.51 MB]
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Edition:Final Report
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Abstract:The problem of weigh station avoidance by heavy trucks exists throughout the United States. In Arkansas, alternate highways exist near every weigh station and are being used by some trucks to bypass without inspections. Although these trucks can be intercepted by roving Arkansas Highway Police (AHP) units, the ability to detect where this problem may exist is not currently available. Therefore, the interception of heavy truck by-passers is, at best, a random occurrence accomplished by trial and error surveillance of AHP units. Research in both Kentucky and Virginia has confirmed the existence of heavy truck avoidance of weigh stations. The exact reasons for this have not been conclusively determined. It has been determined that a larger proportion of these trucks are more overweight than those encountered with the normal truck traffic at the weigh stations. Consequently, it follows that these trucks, which are avoiding the weigh stations, generate a proportionately larger amount of pavement and bridge wear while carrying illegal loads and avoiding the payment of appropriate highway tax. In order for the AHP to address this problem adequately, cost-effective, non-intrusive methods and techniques are needed to effectively monitor heavy truck traffic on close bypass routes to weigh stations.
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