X型交叉口是城市道路中平面交叉口的重要组成部分,它的通行能力是其组成干道交通运行能力的重要体现。通过对南宁市某一X型平面交叉口交通情况的调查与分析,并运用平面交叉口渠化设计的原则、方法及步骤,提出了该路口的渠化设计方案。 X-type intersection is an important part of the intersection of urban roads in the plane, its capacity is an important manifestation of the traffic capacity of the trunk roads. Based on the investigation and analysis of the traffic condition at an X-shaped intersection in Nanning and the principles, methods and steps of the canalized design of the plane intersection, the design of canalization at the intersection is proposed.