一般的城市道路,考虑交通安全的需要,都需要设置照明路灯,以便给在夜间行走的路人和车辆从视觉感官上创造一个良好的交通环境,确保安全行车。但是在高速公路上却是另一番景象,不知您注意到没有。入夜,当您驾车行驶在高速公路上时,前方的路璀璨瑰 In order to meet the needs of traffic safety, ordinary urban roads need to be provided with street lighting to create a good traffic environment for passers-by and vehicles traveling at night to ensure a safe driving. But on the highway is another scene, I do not know you did not notice. When you drive down the highway at night, the road ahead is bright