From the Transportation Research Board website:

The meeting program will cover all transportation modes, with more than 5,000 presentations in nearly 800 sessions and workshops, addressing topics of interest to policy makers, administrators, practitioners, researchers, and representatives of government, industry, and academic institutions. A number of sessions and workshops will focus on the spotlight theme for the 2019 meeting: Transportation for a Smart, Sustainable, and Equitable Future.

Stop by the Campbell Scientific booth, #809.