George Yannis is Professor in traffic safety and management and head of the department of Transportation Planning and Engineering of the School of Civil Engineering at National Technical University of Athens (NTUA) in Greece. He has contributed extensively in several research projects and scientific committees of the European Commission and other international organisations (UN/ECE, OECD, WHO, CEDR, ERF, ETSC), having published more than 350 scientific papers (110 in scientific journals) widely cited worldwide. Simon Cohen is senior researcher at IFSTTAR and Professor at Ecole des Ponts ParisTech in France. He is director of the French Abertis chair in transport infrastructure management. Much of his career has been in the field of transportation research. His work focuses mainly on the area of advanced traffic management and intelligent transport systems (ITS) for road networks. Bernard Jacob, (Set Co-ordinator): Chair of the Programme Committee of TRA2014, is deputy scientific director for transport, infrastructures and safety with IFSTTAR. His research works are in bridge and road safety, traffic loads on bridges, heavy vehicles and weigh-in-motion. He is Professor at Ecole Nationale des Travaux Publics de l'Etat in France, and the President of the International Society for WIM (ISWIM).