Implementation and Effectiveness of Autonomous Enforcement of OW Trucks in an Urban Infrastructure Environment
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2022-08-01
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Alternative Title:Implementation and Effectiveness of Autonomous Enforcement of Overweight Trucks in an Urban Infrastructure Environment
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Abstract:In this study, the team presented the effort to summarize different WIM standards, develop the calibration procedure for the A-WIM system, and implement the calibration procedure to prove that the A-WIM system is capable of complying with ASTM E1318-09 Type III accuracy. Three prevailing WIM standards were compiled and compared, ASTM E1318-09, COST 323, and OIML R134-1. At least three trucks are required for an excessive number of calibration/optimization tests to meet the accuracy and compliance level and the Type-Approval test requirement of the ASTM E1318-09. The calibration and optimization tests provided the accuracy and compliance required in ASTM E1318-09 even though the pavement conditions did not meet the ASTM E1318-09 requirement. Based on the preliminary analysis of the change in the number of trucks after the enforcement, direct enforcement would reduce the number of overweight trucks by up to 76.9% for > 10% overweight trucks. More in-depth study would be required to evaluate the efficiency of direct enforcement.
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