The main difficulties and problems is setting unreasonable on traffic safety facilities such as truck escape ramp, road signs and roadtrafficmarking.
其中比较突出的问题是避险车道，交通标志标线等安全设施设置不合理。
2
Traffic signs and deceleration vibration marking are important for the prevention of traffic accidents, it is also the main mountain road safety facilities.
交通标志和减速振动标线对于防止交通事故有重要的作用，也是山区公路主要的交通安全设施。
3
During setting up the roadmarking and lining, the traffic engineer theory can bring full use of solving the problems.