Ling Huang, PhD is an associate professor in the School of Civil Engineering and Transportation at South China University of Technology, China. She is also a member of Traffic Modeling and Simulation Professional Committee of China. Her research interests include cyclist behaviour, bicycle sharing system, traffic simulation, behaviour analysis, driving behaviour, pedestrian, computer vision and traffic simulation applications.Jianping Wu, PhD is a professor in the School of Civil Engineering at Tsinghua University, China, and director of the Future Transport Research Centre of Tsinghua University, the University of Cambridge, Massachusetts Institute of Technology. He is associate editor of IET Intelligent Transport Systems, a fellow of the IET, member of the Environment and Engineering Committee (CEE) of the WFEO, executive director of the China Association of Simulation, and “Cheung Kong Scholar” Professor of the Ministry Education of China.