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。
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。
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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