The main function:

1. Disjunctive function: traffic fence make motor vehicles, non-motor vehicles and pedestrians in their way
2. Stop function: traffic fence will stop bad traffic behavior, and stop pedestrians or bicycle or motor vehicle who try to cross the road. It requires the guardrail have a certain height, certain density (refers to the column), also have a certain strength.
3. Warning function: through the installation to make the outline of the barrier is concise and lively, warning drivers to pay attention to the existence of the fence and pay attention to the pedestrian and the motor vehicle, etc. So as to prevent traffic accidents
4. Beautiful function: different material, different form, different shape and different color make the barrier harmony and coordination with the environment.