Public Cycle Optimal Method at Arterial Signal Progression

Currently the common cycle of linear signal progression is determined by the critical intersection involved in coordination control,which ensures that the worst intersection will not be oversaturated.However,it does not consider its impact on the progression performance and the delay in other intersections could increase.Therefore,this paper studies the impact of cycle length on the delay and capacity at arterial intersections,and implements simplex method to reduce the gap between actual and ideal space and to maximize the band of progression.Finally,the numerical example shows the band and delay per vehicle from this optimization method are better than those of existing algorithm with little impact on the intersection capacity.