The main difficulties and problems is setting unreasonable on traffic safety facilities such as truck escape ramp, road signs and road traffic marking.

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。

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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。

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During setting up the road marking and lining, the traffic engineer theory can bring full use of solving the problems.

在交通标志、标线设置中，只要注意运用交通工程理论知识解决实际问题，就能使其发挥更大的作用。

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