Intelligent transportation systems are largely supported by the ubiquity of pervasive technologies such as radio frequency identification gps wi fi near field communication and mobile phone. Intelligent transport systems technologies and applications asier perallos editor unai hernandez jayo editor enrique onieva editor ignacio julio garcia zuazola editor isbn 978 1 118 89478 1 december 2015 368 pages. An intelligent transportation system is an advanced application which aims to provide innovative services relating to different modes of transport and traffic management and enable users to be better informed and make safer more coordinated and smarter use of transport networks some of these technologies include calling for emergency services when an accident occurs using cameras to enforce traffic laws or signs that mark speed limit changes depending on conditions although its may refer. One of the main challenges of smart cities is to address how emerging transportation data technologies and applications can be integrated with existing systems in a city to address transportation challenges this special issue aims at demonstrating how advanced data and intelligent transportation system technologies and applications can be used to reduce congestion keep travelers safe protect the environment respond to climate change connect underserved communities maintain the . In the paper intelligent transportation technologies such as wireless communications computational technologies and sensing technologies have been proposed intelligent transportation applications are also introduced this is a belief abstract for an invited talk at the workshop on power electronics and intelligent transportation system