A Bus Signal Priority Model at Oversaturated Intersection under Stochastic Demand

This paper focuses on the optimization of bus signal priority with consideration stochastic traffic demand. Based a situation variability composition, phase clearance reliability (PCR) value each and composition ratio is introduced to reflect condition at intersection. Then, model proposed purpose maximum total vehicular departure as goal. In order obtain optimal solution, an improved algorithm designed by introducing PCR search strategy. Finally, two cases’ study exhibited demonstrate reasonability model, theory, algorithm. The result shows that can not only clear queue under continuous dynamic flow but also reduce vehicle queuing passenger delay.