The study was conducted to evaluate the performance of the Weighwrite slow-speed weigh-in-motion (SWIM) system installed at the eastbound Ehrenberg port of entry on Interstate 10. Tests were planned to closely coincide with those performed by Castle Rock Consultants in 1988. System accuracy was assessed by means of a dynamic to static comparison. One hundred vehicles were selected for the random vehicle tests from truck traffic passing through the port. In addition, two test vehicles were measured repeatedly. Attempts were also made to assess the impact of altering the height of the SWIM scale's approach and exit. Results indicate that the SWIM system is not performing well enough to meet current scale certification requirements in Arizona. This suggests that criteria which are used to certify static scales may be too stringent for SWIM applications.


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    Titel :

    Slow Speed Weigh-in-Motion Study


    Beteiligte:
    M. De Nicholas (Autor:in)

    Erscheinungsdatum :

    1989


    Format / Umfang :

    60 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch





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