The signification and the importance of the electromechanical equipment increase constantly within the framework of Road Maintenance Management System (RMMS). Already there are several Equipment Maintenance Systems (EMS), which have been or are to be implemented.

Meanwhile it is well known, that a systematically maintenance activity is indispensable to be able to guarantee the necessary safety and serviceability of road equipment. It is also a fact that using of proved methods and informatics tools would be quite useful. The recording and evaluation of state-data is a part of systematic maintenance and an important pre-condition of choosing the time and sort of maintenance measure.