Ahead of us there is a railroad crossing a highway atgrade.
前面有一条铁路与公路平面交叉。
2
At present railway conditions, in order to reduce the accidents that occurred at the gradecrossing, 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。
3
In this paper, a cellular automaton model is proposed to describe the traffic flow at the grade roundabout crossing with the inner roundabout lane and the outer roundabout lane.