In recent years, with the fast development of Freeway, , the rate of traffic accident accounting on freeway has increased day by day in our country. The accidents bring large loss to our country and people. So it is necessary to find outreasons for the freeway traffic accident in order to decrease traffc accident or traffic accident harm degree.
The paper analyses reasons for the freeway traffic accident from the systemic viewpoint and discusses four factors influencing traffic safety, which are human, vehicle, route and environments. At last, the paper probes into the interaction of the four factors.
1:Based on essential principle of human work effciency accounting for safety problem, physiological and mental reaction characteristics for drivers of freeway are analyzed. The influence for drivers on speedway safety is discussed.
2: By analyzing safe capability for the vehicle at high speed, the importance of using capability and technological capability for steering on speedway safely is discussed.
Eventually, human-vehicle-route-environment uation guideline system is advanced. Quotas are chosen for different guidelines utilizing paired comparison, and then fuzzy comprehensive uation methodlogy is used to uate freeway traffic safety systemically for the purpose of finding out safe hidden trouble. It not only has important operation significance on preventing and dealing with traffic accident at complex traffic environment,but also play a very important part in founding modemf reeway manage system and advancing management.
Key words:Freeway; Traffic Safety; Human-Vehicle-Route-Environment System;
Paired Comparison