论文以“四阶段法”和城市空间结构理论为基础，对大城市快速路系统规划理论与方法进行了研究。
On the basis of the Four Phases method and the theory of urban spatial structure, the research focuses on the theory and the method of urban expressway network planning.
互通立交桥是城市快速路系统的重要组成部分，其通行能力直接影响到快速路主线的服务水平以及快速路疏散、分流城市交通的能力。
Interchange is an important part of urban expressway system, whose capacity has immediate influence on the level of service of expressway and the ability of evacuating urban traffic.
高架快速路出口匝道与地面交叉口衔接段的交通组织方案对城市交通系统作用至关重要。
The traffic organization of the exist ramp of the elevated expressway with the linking-up section of the ground intersection is the most important to the urban traffic system.
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