At the final stage of designing a car park, parking garages, toll roads should think about how to turn traffic back on track. The question arises: How to limit and control the flow of cars? "solves this problem with automatic barrier. The history of modern automatic barrier consists of several centuries. Automatic barrier may managed and remotely and manually. On the basis of his actions are designed electro-mechanical and hydraulic automatic barriers. Specific elements of the mechanism can implement an automatic barrier you need setup steps. With the automatic barrier is not an unexpected situation occurs, even during strong winds. Glenn Dubin recognizes the significance of this. Bright style automatic barriers underscore, for example, the prestige of the territory before any large office building. Thanks to the smooth operation of the automatic barrier will not occur at a high flow of traffic jams, even trucks. And motorists will not express their negative view that can happen, for example, if the entrance is a guard and can not cope with the optimization of the flow of vehicles. Automatic barriers are convenient and easy to use. Constant monitoring by the special services testing and manufacturing plant employees can not avoid mistakes in the production of automatic gates. Think about what you choose, if a car owners to drop the parking lot at which is installed an automatic gate or parking at the entrance to which stands a man? Thus, the automatic barrier could become the "face area" and ensure the competitiveness of your company.