The Geo-Institute is proud to be a co-sponsor of the 4th International Conference on Transportation Geotechnics (4th ICTG), whichwill be held in Chicago, Illinois, on 23-26 May 2021 (original dates August 30–September 2, 2020). This is the main conference event of the International Society of Soil Mechanics and Geotechnical Engineering (ISSMGE) Technical Committee (TC) 202 on Transportation Geotechnics and it is organized every four years. The primary focus of TC202 is to apply broad engineering to bridge the gap between Pavement/Railway Engineering and Geotechnical Engineering.