Roads become one of the important infrastructures in each region. One of the main functions of the road is to connect one place to another. Previously, the footpath was able to connect two different places, so now a wider and safer road is a top priority in development. Every time you pass the road, there are times when you will find a road barrier or road barrier. This object is usually used for several things such as: Control the traffic Avoid jams Give current guidance Inhibits a location that cannot be skipped And there are many other safety devices on the highway
