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Highway agencies use weigh-in-motion (WIM) technology to collect vehicle weight and axle load data on roadways.

NCHRP Web-Only Document 370: LTPP Data Analysis: Practical Tools and Procedures to Improve WIM Data Quality, from TRB's National Cooperative Highway Research Program, is a supplemental document to NCHRP Research Report 1070: Tools for Assuring WIM Data Quality: Practical Guide, and provides a research overview and data analyses to enhance understanding of different factors affecting WIM measurement accuracy and to develop practical tools and procedures to improve accuracy and increase the reliability of WIM data. The document describes the development and use of to develop practical tools and procedures aimed to improve the accuracy and increase the reliability of WIM data.

Supplemental to the document are four presentations.

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Suggested Citation

National Academies of Sciences, Engineering, and Medicine. 2023. LTPP Data Analysis: Practical Tools and Procedures to Improve WIM Data Quality. Washington, DC: The National Academies Press. https://doi.org/10.17226/27233.

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Publication Info

209 pages |  8.5 x 11 |  DOI: https://doi.org/10.17226/27233
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