公路四周的环境造成的交通事故。对于高速公路来说，其本身的行车环境是比较

Road traffic accidents around the environment. For highways, its own driving environment is relatively good, but in times of heavy fog and snow weather, easily lead to sharp changes in the driving environment and road conditions appear. For highways, its own speed is very fast, if fog weather occurs, it will result in the driver's visual affected accordingly, leading to loss of points prone to mistakes judgment, resulting in a traffic accident. For winter weather, a layer of ice on the road prone, leading handling and braking of the car is affected, coupled with reduced adhesion on the ground, prone to drift and lose control of the car, easily lead to accidents.

Traffic accidents caused by the environment around the highway. For the highway, its own driving environment is better, but in the appearance of thick fog and snow and ice weather, it is easy to lead to a sharp change in the road environment and driving environment. For the highway, its own speed is very fast, if the foggy weather, it will lead to the driver's vision is affected accordingly, which will lead to the loss of points prone to errors of judgment, resulting in traffic accidents. For ice and snow weather, easy to appear on the road surface a layer of ice, resulting in the car's handling and braking is affected, coupled with the ground adhesion reduced, easy to appear car tail and out of control, easy to lead to traffic accidents.

Traffic accidents caused by the environment around the road. For the expressway, its driving environment is relatively good, but in the thick fog and ice and snow weather, it is easy to lead to the rapid changes in the road environment and driving environment. For the expressway, its own speed is very fast, if there is dense fog weather, it will cause the driver's vision to be affected, and then lead to the error of judgment and traffic accidents. For ice and snow weather, it is easy to have a layer of ice on the road, which will affect the control and braking performance of the car. In addition, the adhesion of the ground will be reduced, and the car is easy to lose its tail and control, which will easily lead to traffic accidents.