Dealing with complex transportation phenomena for a safe, comfortable and sustainable society. With the advent of rising complexities in traffic phenomena, interchange (INstitute of Transportation Engineering ResearCH At NaGoya univErsity) conducts research activities geared towards a safer, more comfortable and more sustainable transportation society. Emphasis is laid on the efficient use of existing transportation infrastructure addressing user needs adequately. interchange covers most areas of transportation engineering. interchange carries out researches with practical applications ranging from highway planning and geometric design to traffic management, as well as fundamental driver behavior analysis and theoretical modeling. The advantages of emerging information and communication technologies are utilized into each of the essential steps for traffic management: Operation/Control, Monitoring, Processing and Evaluation.