Highway safety guardrail protect panel making  machine is used to make highway guardrail which also called crash barrier. Crash barrier and highway 2 wave and 3 wave guardrail is the most common user name for this cross-section heavy duty profile.All crash barrier in world fabricate by roll forming machines pattern almost same and standard,for some country,make limited thickness 3 mm but some other countries 2 mm profile also acceptable. So based on global highway standard ,along of high-speed highways both sides of the road should be equipped with crash barriers.W beam guardrail most use for guardrail on the roadway system.It is a cold roll forming product that shapes out of sheet coil into the shape of two wave guardrail or three waves guardrail. Crash barrier highway guardrails have proven highly effective in reducing the quantity and intensity of accidents.