Make a good sleeping policeman

Before installing the constraints, the party that will build it must first obtain the permit of the local Transportation Agency and the local government agreement (kelurahan).
This is to know the procedure how to install the border tool, and see environmental conditions.
This border tool is strictly prohibited on the road, except on the road environment. But again it has to get government permission and agreement.
In order for this tool does not endanger motorists, especially motorcycles, must be done the installation of traffic signs, if how many meters later there will be a speed limiting tool barrier.