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Virtual Weigh Station

File Language:
English


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  • Creators:
  • Corporate Creators:
    Purdue University. Joint Transportation Research Program
  • Corporate Contributors:
  • Subject/TRT Terms:
  • Publication/ Report Number:
    FHWA/IN/JTRP-2001/09
  • Resource Type:
    Tech Report
  • Geographical Coverage:
  • Edition:
    Final Report
  • Corporate Publisher:
    Indiana Department of Transportation
  • Abstract:
    Overweight trucks shorten highway life and indirectly increase the costs of maintaining roads. Improved methods for enforcement of commercial vehicle weight laws may increase the number of overweight vehicles caught, thereby prolonging highway life. Improved enforcement may also reduce the number of illegally operating vehicles. This report describes the concept of using existing INDOT Weigh-In-Motion equipment, a laptop computer, and wireless communication equipment, to develop a virtual weigh station screening tool. The Virtual Weigh Station screening tool developed in this project allows officers to read the weights of vehicles crossing WIM scales, in real time, in their patrol cars. Giving officers this information increases the chances that the vehicles selected for weighing on portable scales are indeed overweight. This report documents the accuracy and precision evaluation performed on all the candidate WIM sites as well as the new infrastructure required to implement the Virtual Weigh Station concept. The report describes several cases where significantly overweight vehicles were identified and impounded. For example, the procedures described in this report, resulted in the identifying the early morning hours as the best time for enforcement in Merrillville. As a result, on May 18, 2001, vehicles weighing 98,700 lbs. and 100,600 lbs. were stopped. Those vehicles were impounded and resulted in fines of $1,625.00 and $1,735.50, respectively. In February 2002, Commercial Vehicle Enforcement officers stopped ten trucks on US 24 near Fort Wayne using the virtual weigh station. Eight of the trucks were determined to be overweight and fined. The three heaviest trucks weighed 90,200 lbs., 90,900 lbs., and 91,100 lbs. resulting in fines of $1,099.50, $1,169.50, and $1,189.50, respectively. On April 12, 2002, another enforcement was conducted on I-65 near Merrillville. Three trucks were stopped based on the virtual weigh station data. One of the trucks weighed 87,400 lbs., resulting in a $529.50 fine. The report concludes by making several recommendations designed to improve the quality of the WIM data and facilitate widespread deployment by the Commercial Vehicle Enforcement Division.
  • Format:
    PDF
  • Funding:
    SPR-2481
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:0e1c47c297fc21485e2abb6fa974d577ee9aab185e0e069620787914ede38698ca7a9fac02f92cc0f4f191fa347adb8bc7918aaf53609d6dc2e1464a48f76910
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  • File Type:
    Filetype[PDF - 26.31 MB ]
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