Study on The Highway Alignment Audit Based on Operating Speed

The condition of road alignment is closely related with road safety,comfortable road alignment is the basic guarantee to the vehicle safety.In the aspect of elevating the road safety,it is important to find and reduce or removing these potential danger factors.With a brief introduction of the research of highway alignment consistency based on operating speed and a summarization of the existent insufficiency of the highway alignment design method based on design speed,it point out that one of the measures to improve the road safety is taking the operating speed as a supplement to the design speed.In this paper,the deficiency of the calculation of the operating speed was pointed out,and the causes were analyzed as well.Finally,the new road division method and calculation parameter table were proposed for the concise and practical intention.In combination with a real project,the potential danger factors were found and the advices were proposed as well.