United States Department of Transportation
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Evaluation of Integrated Overweight Enforcement System using High Accuracy WIM System and Non-Proprietary ALPR System [Supporting Dataset]
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2023-09-01
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Alternative Title:BQE WIM Data Year 6 Project (Evaluation of Integrated Overweight Enforcement System using High Accuracy WIM System and Non-Proprietary ALPR System)
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Abstract:The team developed a calibration procedure by comparing four (4) standards, including two U.S. Standards (NIST HB44 and ASTM E1318-09), one European Standard (COST323), and one International Standard (OIML R134-1). This calibration process encompassed testing three prevalent truck types on the BQE at two GVWs (full and empty) and three speeds (post-speed, crawling speed to simulate congestion scenarios, and an average of two) to prove consistent accuracy across different trucks and traffic conditions. Following the sensor installation, the calibration procedure was executed, and the results indicated that the system met the accuracy requirements of ASTM E1318-09 Type III and COST 323 B(10), which mandated 95% compliance. However, it fell short of achieving the target accuracy for B+(7), primarily due to errors in single-axle weight, which were identified in three out of 353 runs. Furthermore, it was not feasible to meet the specified target accuracy in OIML R134-1 F(10) Verification.
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Content Notes:National Transportation Library (NTL) Curation Note: As this dataset is preserved in a repository outside U.S. DOT control, as allowed by the U.S. DOT’s Public Access Plan (https://doi.org/10.21949/1503647) Section 7.4.2 Data, the NTL staff has performed NO additional curation actions on this dataset. The current level of dataset documentation is the responsibility of the dataset creator. NTL staff last accessed this dataset at its repository URL on 2023-12-08. If, in the future, you have trouble accessing this dataset at the host repository, please email NTLDataCurator@dot.gov describing your problem. NTL staff will do its best to assist you at that time.
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