The IEEE Intelligent Transportation Systems Society (ITSS) will organise the 24th IEEE International Conference on Intelligent Transportation Systems (ITSC) which will be held in Indianapolis, on 19-22 September 2021. ITSC 2021 welcomes articles and presentations in the field of Intelligent Transportation Systems, conveying new developments in theory, analytical and numerical simulation and modeling, experimentation, advanced deployment and case studies.  Particularly, the Conference invites and encourages prospective authors to share their work, findings, perspectives and developments as related to implementation and deployment of advanced ITS applications.