The road barrier is made of a kind of iron pipe. It is made by bending, welding, polishing and high-pressure baking paint of seamless iron pipe. Generally, the outer pipe is made of Φ 32 * 1.5mm iron pipe and the inner pipe is made of Φ 19 * 1.0mm iron pipe.

The road barrier is usually used for the reason reconstruction, the road construction enclosure safety isolation, also can be used as the factory, workshop, warehouse, parking lot, commercial area and other occasions, and is widely used in the construction site isolation and warning.