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Review of U.S. Department of Transportation Truck Size and Weight Study - Second Report: Review of USDOT Technical Reports (2015)

Chapter: Appendix B: Committee for Review of USDOT Truck Size and Weight Study Statement of Task

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Page 63
Suggested Citation:"Appendix B: Committee for Review of USDOT Truck Size and Weight Study Statement of Task." National Academies of Sciences, Engineering, and Medicine. 2015. Review of U.S. Department of Transportation Truck Size and Weight Study - Second Report: Review of USDOT Technical Reports. Washington, DC: The National Academies Press. doi: 10.17226/22092.
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Page 63

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61 Appendix B Committee for Review of USDOT Truck Size and Weight Study Statement of Task An ad hoc committee will provide a peer review of a comprehensive truck size and weight study that Congress required the U.S. Department of Transportation (USDOT) to conduct. The review will include two letter reports. The first will review “desk scan reports” (literature reviews) prepared by the Federal Highway Administration (FHWA) based on their thoroughness in reviewing the existing literature, analysis of existing models and data for conducting the comprehensive study, and overall synthesis of the preceding body of work as it applies to the study that is to follow. The desk scans are expected to be available for committee review in August–September 2013. Once FHWA has completed the technical analysis for the study in March 2014, the committee will prepare and issue its second and final report, commenting on the extent to which the technical analysis and findings address the issues identified by Congress. The committee’s second letter report will be due by May 1, 2014.

Next: Appendix C: Parties Submitting Comments to the Committee »
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The Committee for Review of U.S. Department of Transportation (USDOT) Truck Size and Weight Study has released its second of two reports. The committee concluded that while the USDOT report acknowledges gaps in addressing its legislative charge, a more comprehensive and useful response would have been possible. The USDOT Comprehensive Truck Size & Weight Limits Study lacks a consistent and complete quantitative summary of the alternative configuration scenarios, and major categories of costs – such as expected bridge structural costs, frequency of crashes, and infrastructure costs on certain roads – are not estimated.

The Academies' letter report does not take a position on whether or how to change current federal truck size and weight limits. It offers recommendations for improving estimates in each of the impact categories, in order to increase the value of any future truck size and weight studies.

In its first letter report, released in March 2014, the committee reviewed the desk scans (literature reviews) prepared by USDOT at the beginning of its study.

The Academies' study was sponsored by the U.S. Department of Transportation. TRB is a program of the National Academies of Sciences, Engineering, and Medicine -- private, nonprofit institutions that provide independent, objective analysis and advice to the nation to solve complex problems and inform public policy decisions related to science, technology, and medicine. The Academies operate under an 1863 congressional charter to the National Academy of Sciences, signed by President Lincoln.

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