From a commercial and ecological point of view, it is the goal of every operator to maximize the utilization of his track network by upping train frequencies. Nevertheless, operational reliability must be assured at all times. This is what the Siemens automatic route setting system ZLS 901 was made for.

It optimizes route configurations and thus precludes unnecessary stops at red signals, especially on busy main routes. This lowers energy consumption and minimizes emissions to the ground at stops. Routes can be configured to accuracies on the order of seconds with ZLS 901. The track topography and timetable for every train can be stored in the system and used to make the most out of revenue service.