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  • 黄色交通信号灯在道路运行中起到什么作用?
  • 本站编辑:浙江芯源交通电子有限公司发布日期:2018-08-31 11:07 浏览次数:
交通信号灯中黄灯的作用是警示,表示在确认安全的前提下通行。
The role of yellow light in traffic lights is warning, which means that the traffic is cleared under the premise of confirming safety.
在红灯和绿灯转换之间使用黄灯,一是警示,提示司机注意,信号将要转为红灯信号,要及时停车。二是提供延时缓冲过渡时间,让司机根据车速,路面情况等,在保障行车安全的前提下选择在路口前停车,或者继续前行通过路口。
The yellow light is used between the red light and the green light. The first is a warning to remind the driver that the signal will be changed to the red light signal and stop in time. The second is to provide a delay buffer transition time, so that the driver according to the speed, road conditions, in the premise of ensuring traffic safety, choose to stop at the intersection, or continue to move forward through the intersection.
有时候,为了让司机能够在较远的距离就可以清楚地看到前方路口信号灯状况,还会在距离路口前较远的地方加装黄灯辅助灯。该黄灯辅助灯信号显示与前方路口的黄灯同步,以闪烁黄灯显示,提醒司机注意前方路口信号情况,及时做好停车准备。比如,在加拿大,我们经常看到,在面对下坡路口前,在拐弯路口前,在一些时速较快的路口前,在一些视野不太好的路口前,都会有加装专门的黄灯辅助灯。
Sometimes, in order to let the driver can clearly see the situation of the intersection lights at a long distance, the yellow light auxiliary lights will be installed at a distance from the intersection. The auxiliary yellow light signal display is synchronized with the yellow light at the front intersection, and is displayed with a flashing yellow light. The driver is reminded to pay attention to the signal at the front intersection and be ready to stop in time. For example, in Canada, we often see that before the downhill intersection, before the turning, in front of some faster-than-hourly intersections, in front of some of the less visible intersections, there will be special yellow auxiliary lights.
有时候,为了确保路口清空,安全可行,一些路段的路口红绿灯信号互换时间还专门设有一到二秒甚至更长的停顿时间延时,以防止因抢路抢行造成交通事故。
Sometimes, in order to ensure that the intersection is empty, safe and feasible, some sections of the intersection traffic lights interchange time also has a special one to two seconds or even longer pause time delay, to prevent traffic accidents caused by rush traffic.
如果黄灯只允许已经进入路口的车辆通行,不允许没有进入路口的车辆通行,取消了黄灯作为提供延时缓冲过渡的作用,司机既无法预料何时绿灯转换成黄灯,也无法确保车辆在显示黄灯前安全停车,缺乏明确的道路行驶信号指引,无所适从,势必引起行车隐患。
If the yellow light allows only vehicles that have already entered the intersection, and does not allow vehicles that have not entered the intersection to pass, the yellow light is cancelled as a buffer to provide a delay transition. The driver can neither predict when the green light will be turned into yellow light, nor can he ensure that the vehicle stops safely before the yellow light is displayed, nor can he have a clear road traffic signal. Guidance, not knowing what to do, is bound to cause traffic risks.
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