Figueiredo, LinoJesus, Isabel S.Tenreiro Machado, J. A.Ferreira, José RuiCarvalho, J. L. Martins de2019-04-032019-04-032001-09-16http://hdl.handle.net/10400.22/13379This paper presents a review of the state of the art on Intelligent Transportation Sytems. ITS involves a large number of research areas and, therefore, this paper focus on those we believe to be the most relevant. The main purpose is to study the achievements attained in the last years and to give an overview of possible directions towards future research.engIntelligent Transportation SytemsITSconference object