The Transportation Research Board (TRB) hosts its annual meeting, i.e., the TRB Annual Meeting, in Washington each January. The TRB mainly aims to advance the exchanges on transportation research and information, and to provide a broad exchange platform for transportation research, results promotion, and technical personnel training. During the TRB Annual Meeting, researchers from hundreds of countries gather in Washington to conduct academic exchanges and results display on transportation. In addition, TRB manages the contracted research projects in road transport, public transport and civil aviation, studies key issues and formulates major policies in transportation in the form of expert committees, and timely publishes and widely distributes the latest research results in transportation. Moreover, TRB comprises over 200 permanent technical committees and is made up of over 5,000 professionals specialized in transportation, including students and leading industry experts, on a voluntary basis. These technical committees are structured from top to bottom with a solid foundation, and have established extensive links with various disciplines, industry organizations, and professional organizations related to transportation.