Research on safety management of freeway traffic

With the rapid development of the freeway, preventive work of freeway traffic faces larger and larger test. This paper adopts 1561 cases of traffic accidents in the Jiliao-freeway in past 5 years to find out the factors that affect safety. The study found out some factors which cause freeway traffic accidents, they are time, weather, the number of patrol vehicles and monitoring, age and attribution of the accident driver. The paper studies the management problems with a two-step clustering method and puts forward on the countermeasures and suggestions, especially the problem of freeway traffic police job burnout. This problem which involves in safety management freeway traffic will reach a new level and lay the foundation for the future research work to protect the freeway safe and smooth effect.