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The 2021 Annual Report summarizes TRB’s accomplishments in each of its major program areas and how TRB has served the nation and the global transportation professional community throughout the year. TRB provides leadership in transportation improvements and innovation through trusted, timely, impartial, and evidence-based information exchange, research, and advice regarding all modes of transportation.

TRB is a program division of the National Academies of Sciences, Engineering, and Medicine (NASEM). The National Academies provide independent, objective analysis and advice to the nation; conduct activities to solve complex problems; and inform policy decisions on matters related to science, engineering, and medicine.

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Suggested Citation

National Research Council. 2022. Transportation Research Board 2021 Annual Report. Washington, DC: The National Academies Press. https://doi.org/10.17226/26457.

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Publication Info

40 pages | 8.5 x 11 |  DOI: https://doi.org/10.17226/26457

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