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三角警示牌是一种能够通过反射光发出警告信号,用以表示机动车已经停车的警告标志。在公路上临时停车时,司机应该把三角警示牌放置在车后方50到100米(高速公路150米)的距离,通过三角警示牌的反射光来达到提醒后方来车注意安全的作用。然而,有不少司机甚至不备三角警示牌,出了故障或临时停车时就在车后放个轮胎或者其他东西,根本意识不到潜在的危险;而更多司机买了劣质的三角警示牌,以为安全无忧,却因劣质品达不到技术参数的要求,身陷险地。以京津塘高速公路为例,从北京到天津94公里的高速公路上,一个小时的时间里,有15辆车由于故障临时停靠在路边,而其中只有两辆车按照规定摆放了合格的三角警示牌。
Warning triangle is a warning sign that reflects the light and indicates that the vehicle has stopped. When temporarily stopping on a highway, the driver should place the warning triangle at a distance of 50 to 100 meters behind the car (150 meters on the expressway), and use the reflected light from the warning triangle to reach the rear to remind the car to be safe. However, many drivers do not even have a warning triangle. They put in a tire or something behind a car during a stoppage or a temporary stop and do not realize the potential danger. More drivers bought inferior triangular warning signs , That safe and worry-free, but because of inferior products fail to meet the technical parameters of the request, are caught in danger. Taking the Beijing-Tianjin-Tanggu Expressway as an example, on an expressway 94 kilometers from Beijing to Tianjin, 15 vehicles temporarily stopped at the roadside in one hour due to a breakdown and only two of them were qualified as required Warning triangle