 As one of seven major divisions of the National Academies of Sciences, Engineering, and Medicine, the TRB promotes innovation and progress in transportation through research in an objective and interdisciplinary setting.It stimulates research and offers research management services that promote technical excellence; provides expert advice on transportation policy and programs; and disseminates research results broadly and encourages their implementation.The TRB hosts some 200 standing committees that address specific aspects of transport and the TRB Annual Meeting attracts more than 14,000 attendees.