University of Aveiro will organise the 24th Working Group on Transportation Meeting (EWGT 2021) which will be held in Aveiro, Portugal, 8-10 September 2021. The main goal of the Meeting is to share information and experiences of research activities, to encourage joint research and the development of theoretical methods and applications, to promote the cooperation among different institutions and organisations, leaders at national level in the field of traffic, transportation and logistic systems.