Risk Classification Control Under Adverse Weather Conditions Freeway Method

Safe and smooth operation of the highway are particularly vulnerable to bad weather, especially by extreme weather disturbances. Currently the vast majority of the region’s highways due to the technology gap, design limitations and general management level lag, in case of bad weather traffic management in these areas will take the road closure, closure toll way, which makes the operator of the vehicle,general Secretary passengers and highway operation management and other stakeholders suffered significant economic losses and loss of time cost. How to ensure safety in adverse weather conditions, highway, traffic has become an urgent need for reliable research.This paper studies the following aspects: the summary of the developed countries for the management of highway snow and fog and other inclement weather conducted research and practice, sort of highway management status and problems in inclement weather; high-speed analysis of bad weather impact of road safety and operations;analyzing the characteristics of bad weather highway congestion and accidents, risk factors identification in inclement weather, the presence of risk factors for distinguishing the different evaluation method using commentaries; the integrated management system inclement weather was Construction; design a highway type vehicle control, speed management, policy control and into the adjacent mainline toll station waiting like.Research article for highway management operating unit has a strong role in guiding, a key factor in the selected road conditions, vehicle type, weather and other representative, to address actual security control highway provide a reliable basis to achieve under different environmental factors highway is not closed to maximize security operations, bad weather increases the utilization rate of speed, in order to obtain maximum economic and social benefits.