Grade crossing is an important constituent part in road system,it is the“throat”of road traffic. This paper researches the elevation planning which is a significant design of grade crossing.
平面交叉口是道路系统的重要组成部分,是道路交通的咽喉,本文主要研究交叉口设计中极其重要的竖向设计。
参考来源 - 平面交叉口智能化竖向设计系统的研究与开发·2,447,543篇论文数据，部分数据来源于NoteExpress
同义词： level crossing
以上来源于: WordNet
N-COUNT A grade crossing is a place where a railway track crosses a road at the same level. (铁路与公路相交的) 平交道口 [美国英语]
SSMs are deterrents; they are additional treatments that can be applied to grade crossings that will reduce the number of grade crossing violations.
附加安全措施是必要的关卡；附加安全措施是应用于平交道口的额外处理，以减少平交道口的违章事故数量。
At present railway conditions, in order to reduce the accidents that occurred at the grade crossing, this paper put forward the scheme of design and setting of the locomotive auto-whistle device.
针对目前铁路的线路状况，为有效防止和减少道口事故的发生，提出了机车自动鸣笛装置的设计安装方案。
Ahead of us there is a railroad crossing a highway at grade.
前面有一条铁路与公路平面交叉。
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