The Keep-Right-Except-To-Pass Rule

In this paper, We develop a model to show how The Keep-Right-Except-To-Pass Rule will do. According to the classic three parameters relationship of the traffic flow, speed and density. After that, we weighed the proportion among the three parameters in different situations to better prove the correctness of our model. Then, our team doubts and analyze that if the left-hand rule taking place of the right-hand rule is still reasonable in our model, if not, we should adjust the model. Last, we consider how the traffic will perform under the complete intelligent transportation system, and analyze that to what extent the system will influence the traffic flow.