Evaluating Michigan commercial vehicle enforcement strategies and facilities.
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2015-03-01
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Abstract:This report documents evaluation results and recommendations for Michigan commercial vehicle
enforcement strategies and facilities. Through literature review, online survey and site visits,
enforcement strategies and facilities in other states and countries were studied. Site visits of existing
Michigan commercial vehicle enforcement sites and review of current and past reports by the Michigan
Department of Transportation (MDOT) and the Michigan State Police (MSP) revealed the existing
conditions of facilities and potential needs for improvements. Benefit-cost analyses for the existing fixed
weigh stations and other enforcement sites were conducted. The results indicated that addition of low-speed Weigh-In-Motion (WIM) with bypass lane is most likely to improve efficiency of a number of
existing fixed weigh stations. Also, adding a preclearance system was found to improve efficiency of
specific fixed weigh stations. The results, however, showed that fixed weigh stations are not
economically beneficial when located along low volume roads. Recommendations for removing such
stations are also provided. Furthermore, the report recommends implementation of systems that integrate
enforcement technologies and consolidate data to assist enforcement officers in screening and verifying
compliance of commercial vehicles.
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