Through the evaluation of the road junction, to find the intersection in the operation of the main problems, and ensure traffic safety and enhance the capacity of the intersection.
通过评价道路交叉口，找出该交叉口运行中存在的主要问题，保证行车安全和提高交叉口的通行能力。
2
Abstract: it is main objective to improve the capacity of intersections, because the capacity of intersection affects the efficiency of the highway network.
文摘：交叉口通行能力的大小直接影响到整个路网效率，提高交叉口的通行能力是目前道路网的重要目标之一。
3
Mixed traffic is the main characteristic of urban traffic in China, and also is the main reason of the lowering traffic capacity and increasing delay of intersection.