Its main functions include separation function, blocking function, and warning function.
The separation function is reflected in its ability to separate motor vehicle, non motor vehicle, and pedestrian traffic,
Divide roads or shopping malls vertically on the cross-section,
Improve road traffic safety and traffic order.
The blocking function is reflected in its ability to block bad traffic behavior, such as bicycles or motor vehicles
The guardrail is required to have a certain height, density, and strength.
The warning function is achieved by installing a concise and clear outline on the guardrail,
Warning drivers to pay attention to the presence of guardrails and pay attention to pedestrians and non motorized vehicles, in order to prevent traffic accidents.