Roadway gates
Roadway gates are a convenient modern device to restrict the entrance in the territory. It is used at parking lots, check points, driveways to the various properties. The automatic roadway gates are use more often. The structure of automatic roadway gates represents a stand with power device with fixed swing-beam. Such roadway gates are operated by electronic control block. The power device is set of electric motor, reduction gear and spring required for balancing.
All devices are fit of light and strong aluminum swing-beam with special rubber linings and light reflecting stickers. Movement slowing function is provided in initial and ending positions of the swing-beam. Also the automatic roadway gates could be taken off into manual mode of operation. 
Based on operation mode the roadway gates are divided into manual, automatic, hydraulic and electromechanical.
Usually steel or aluminum based alloys are used for gates manufacture and therefore the excellent strength properties of the structure and its high reliability are achieved due to it.