基于前视距离的路侧交通标志设置方法研究

he visibility distance of traffic signs is proposed and the constraint condition is established base on the analysis of the process of using traffic signs, to make sure that the driver has the sufficient time to recognition the information after detected the traffic signs in the complicated environment. Then, in order to guarantee the vehicles to be able to change the running condition safely and smoothly before the hazard point or a intersection, Aiming at the existing problem of the advanced methods of setting traffic signs, considering the visibility distance and the influence of setting traffic signs on the roadside safety, puts forward the model of setting traffic signs on the roadside.