one
Function: The isolation barrier is responsible for maintaining the traffic order. When a traffic accident occurs, it needs to use its own deformation or the height of the barrier to prevent the movement of vehicles and prevent secondary injuries.
two
Small land occupation: The barrier is set on both sides and in the center of the road, which requires that the barrier occupies less land and does not affect the traffic of vehicles and pedestrians.
three
Simple maintenance: the number of isolation barriers is large, the maintenance cost is high, and there is a certain danger when they are set on the road for maintenance. If they are separated from the road for maintenance, it will certainly affect the traffic, so the maintenance of isolation barriers
