关键词: 交通信号控制, 优化模型, 满意度, 交通拥挤

Abstract: Along with the sharpening conflict between the provide and the demand of the urban road traffic, the scientificaalness and rationality of traffic signal control strategy and method become the crucial influencing factor of urban traffic performance. The shortage of the traditional optimum traffic control theory is analyzed, the satisfactory principle of traffic control is revealed, the satisfactory traffic control model of the road intersection is given, and the model is applied in a sample project. The result shows that, the model is scientific, reasonable and effective; the applied regional urban traffic condition is improved, which is helpful to relief the urban transport congestion.

Key words: Traffic signal control, Optimization model, Satisfactory degree, Traffic congestion