菱形立交(diamond interchange)：一种立交形式，它形成了两个或更多个邻近的平面交叉。各象限有一条匝道，连通高速公路的每个进出口。
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通过仿真试验，对其结果分析得出城市快速路菱形立交出口附加车道长度及其渠化长度建议值。
Through using simulation trial, the author has analyzed the trial result and worked out the recommendation value of auxiliary lane and channelization length of urban expressway exit.
研究了如何使用模型来分析建立包含高速公路干线、匝道控制和上游信号控制的菱形立交的一个综合控制系统。
This paper addresses a modeling approach to analyzing an integrated system that includes freeway mainlines, ramp metering, and an upstream signalized diamond interchange.
互通立交的型式很多，有喇叭型、菱形、环形、苜蓿叶型、半定向式、定向式及复合式等几种基本形式。
There are many types and forms of interchange, such as trumpet type, rhombus type, ring type, alfalfa leaf type, partly directional form, directional form, compound form and so on.
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