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At its Annual Meeting in January 2020, the Transportation Research Board (TRB) began the commemoration of its 100th year. Plans for an eventful year of celebration were soon scuttled by COVID, but TRB has continued to sponsor, manage, and promulgate research in all areas of transportation, benefiting transportation practitioners, researchers, and transportation users around the world. This article is about how it came to serve this role¹ [1].