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高速公路为什么没有路灯?原因竟让我心服口服

2017-06-14 13:08:38   

高速公路想必大家都不陌生,可能大家都有同一个问题,城市公路周边都有照明路灯,那为什么高速公路上没有路灯呢,除了一些反光标志看不到任何照明设备,会不会增加交通事故的发生率呢?其实高速公路不设路灯不仅不会增加交通事故,反而提高了安全性,今天就给大家解读一下,为什么高速不设路灯。

1.安全问题

其实安装路灯并不全是是为了车辆的安全行驶,因为车辆自身带有照明设备;大多数原因还是在于便捷行人与非机动车的保护。城市道路中不仅有车辆通行,非机动车与行人也多,所以设有路灯;而高速公路的功能性则不同,基本没有非机动车和行人。另外,高速公路路面都很平坦,路况十分好,安全系数很高,所以不设路灯。

2.路面反光满足需求

如果安装路灯,是不是对行车更有帮助呢?

其实不然,路灯的照明效果是不连续也不均匀的。在高速行车时,这种明暗交替会造成视觉误差,极易产生视觉疲劳,从而埋下安全隐患。

况且夜晚车辆在高速了行驶时,汽车大灯可以为司机提供更安全的照明环境。完善的路面标志和反光标志完全满足需要。在汽车灯组的照射下,交通标志上的反光膜会将光线定向反射,各种交通标志清晰地让司机看到,足以完成引导作用。

3.成本原因

截止到2015年,我国的高速公路总里程就有十万多公里,到现在这个数据只会更大。如果全路段安装路灯,成本算下里可就吓人了。况且高速上车流量随机性太强,为了少量车的通行全线安装路灯,势必造成巨大的能源浪费。过省路段的分段供电和管理问题也十分麻烦。

4.军事原因

世界上最早的高速公路出自德国,当年二战期间修建高速进入高峰期,更多的原因是为了战时战斗机可以在高速上起落。如果安装路灯,就必然会有所阻碍。所以我国的高速公路同样具有战备功能,一旦战时,战斗机也能在高速公路上起落。

所以综上四点,高速公路上设置路灯是不可行的,虽然安全系数较高,但小编还是提醒各位司机朋友谨慎驾驶,这是对家人和自己最大的负责!

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