Abstract
Mixed traffic flow is the popular problem now, not only in Vietnam but also in almost developing countries. With the mix traffic flow, we have to consider many problems in traffic control and traffic safety, especially in the cases of some countries that private vehicle ownership increase very quickly. This study was conducted to analyze the change in motorcycle driver behaviors with the progress of urbanization and motorization, the observations is inside intersections between left-turn groups and straight-go groups. From the analysis in this study, the results show the changes of driver behavior in case of one popular city in developing countries - Hanoi. This study also conducted the analysis about the relations between group behaviors and conflict situation inside intersection, from that propose some suggestion in traffic control measures and policies for mixed traffic flow.
