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Classification of barrier and collision level

Fence according to its vertical position on the road can be divided into subgrade rails and bridge guardrail two;

Fence according to its horizontal position on the road can be divided into roadside fence and central divider fence;

According to the deformation of the fence after the collision, can be divided into flexible fence, semi-rigid fence and rigid fence.

With the improvement of people's safety awareness, the state to improve the level of the fence collision control, some key bidding projects, have clearly stipulated that it should reach the collision level.