Expressways often cause serious traffic accidents due to haze weather. According to statistics, severe weather like this is generally more than 20 days a year in most parts of the country. This kind of weather brings traffic to traffic. In order to reduce potential hazards and risks, management dept. usually takes measures such as suspension, cut the flights, which has caused many inconveniences and economic losses. According to the statistics of the transportation department, about 1/4 to 1/3 of the road blocking incidents are caused by heavy fog reported by the local government. In order to solve the problems, a company developed a set of haze penetration vision systems to provide solutions for the problem of haze weather.