United States Department of Transportation
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Evaluation of Anonymous Re-Identification Technology To Measure Commercial Vehicle Wait Time at the San Luis II Port of Entry
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2018-10-01
[PDF-1.28 MB]
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Edition:FINAL REPORT, 2017-2018
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Abstract:This research assessed the suitability of Anonymous Re-identification (ARID) technology to measure northbound commercial vehicle wait time at the San Luis II Commercial Port of Entry (POE) in San Luis, Arizona. The study aimed to (1) determine the preferred ARID technology (Wi-Fi or Bluetooth) for the study location; (2) determine whether the sample size of the collected data was sufficient to confidently measure border wait times of commercial vehicles; and (3) compare the costs to install a permanent ARID system with the costs for an alternative system, Radio Frequency Identification (RFID). On-site field investigation determined that Wi-Fi was preferable to Bluetooth for use in ARID. Wi-Fi detected 58 percent of commercial trucks as they crossed the border from Mexico into Arizona. However, the volume of trucks at the San Luis II POE was relatively low, averaging about 10 northbound trucks per hour in December 2017. The study found that the sample size of trucks was too low to confidently measure wait times. Furthermore, trucks experienced considerable travel time variability, which does not allow confident prediction of wait times using technological methods. Based on the study findings, permanent ARID technology is not recommended at the San Luis II POE. The research found that the estimated cost to install a permanent ARID system at the San Luis II POE was approximately half that of a permanent RFID system. Although ARID technology was not recommended at the San Luis II POE, it may be an effective alternative to RFID in other applications with greater traffic volumes.
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