2023 2^nd International Conference on Frontiers of Traffic and Transportation Engineering（FTTE 2023）will be held onJuly 28-30, 2023in Lanzhou,China. This conference mainly discusses the research fields of Traffic and Transportation Engineering, aiming to provide an international cooperation and exchange platform for experts and scholars in this field to share research results, discuss existing problems and challenges, and explore frontier science and technology. We welcome renowned experts and scholars in related fields from home and abroad to attend the conference and share the latest research results and exchange and discuss academic problems with scholars through keynote speeches and oral presentations at the conference.