Having the belief that many partners should have the same experience, driving on the highway at night, but only being able to see the darkness around them, in addition to the headlights and road reflective signs, and basically being unable to see any other lights, people wonder why there is no sense of security. I am curious as to why there are no street lights on the roadway. Does having street lights make the streets safer? In point of fact, with the exception of significant bridges and tunnels, the majority of roadways do not have street lights installed. Let me now provide you with an examination of the reasons why the highway does not have street lights installed. The safety factor for highways is greater. Have you ever seen people and cars that do not have motors arrive and go at night in the same manner as they do on city streets? It is not possible to access the expressway since it does not let pedestrians or non-motor vehicles, such as motorbikes, tractors, tricycles, or automobiles that go 80 yards in 15 seconds. Because cars are equipped with headlights, the placement of street lights is not for the purpose of ensuring the safety and convenience of motor vehicles; rather, it is for the purpose of ensuring the safety and convenience of pedestrians and other non-motor vehicles. There are distinct differences between the service roles of highways and urban roads. Due to the fact that metropolitan roads consist of not only motorized cars but also pedestrians and non-motorized vehicles, street lights are installed. Highway is an out-of-town route that connects cities and cities, as well as cities and the country, and it has a limited number of pedestrians and non-motorized vehicles. In general, there are no street lights on expressways because of this reason. In addition, the surface on the highway is very level, there is no pit that is readily apparent, the road quality is much superior, and the safety factor is significantly increased. Demands are satisfied with reflecting pavement signs If street lights were installed on expressways, would it make driving safer and more convenient for customers? The answer is not yes. The illumination provided by street lamps is inconsistent and sporadic. The alternation of light and shade may provide drivers of high-speed vehicles with the potential to experience optical mistakes, sometimes known as illusions, which can be very hazardous. Additionally, it has the potential to rapidly produce eye fatigue. In addition, the lighting from the street lamps is inadequate, and the dispersed light will cause drivers who are traveling long distances to become blind, which will result in driving safety issues. There is not a single street light out. What’s the situation with motorists who are on the roadways at night? It is possible for the headlights of a vehicle to offer safer illumination for drivers in situations when the lighting outside is inadequate. In the event that there is no impediment to the vehicle, it is possible to drive at night while using a high-light. It is likely that this buddy who drives has a great deal of experience. Because of this, there are some motorists who prefer to switch on their headlights (high lights) even while they are traveling on illuminated city streets (which, of course, is a bad driving habit). Driving a car at night, having proper road signs, and having reflecting signs do not fall short of the requirements. At night, when the headlights of automobiles are shining brightly, the reflective film that is applied to the traffic signs will reflect light in a direction that is directed toward the road surface. Additionally, the reflective film will be able to clearly reflect a variety of traffic signs to the eyes of the driver, which is sufficient to fulfill the function of providing direction guidance. The cost is not quite cheap, and the management is a source of frustration. It is estimated that the overall distance of the expressway in our nation is more than 100,000 kilometers. It is almost certain that the installation of street lights over the whole of the highway will incur a significant amount of investment. Additionally, the intensity of the unpredictability of the flow of traffic on expressway lines is excessive. It is inevitable that the installation of street lighting for a limited number of cars would result in a significant amount of energy being wasted. In addition, the management of the power supply and the maintenance of each individual stretch of the expressway is another challenging issue. To summarise, the installation of street lights on expressways is not always advantageous from a scientific and energy-saving perspective. Even though the highway has a high safety factor, drivers still need to exercise caution while they are on the road at night.