Guardrails can also be called highway W-beam guardrails, highway guardrails, crash barriers, bridge guardrails, steel guardrails, etc.

Highway guardrails are considered as passive protectors with a view to ensure the safety of the pedestrians by the wayside and the vehicles.

Highway guardrails are designed in pursuance to the principle of keeping the vehicle inside the road in a secure way and at the same time

minimizing the loss of life and property in case of an accident.