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The invention addresses the danger posed by improperly built median strips, designed to calm traffic but often becoming hazards. Poor visibility and the absence of reflectors contribute to accidents. The solution involves communication technology between cars and medians. A microcontroller in the car's infotainment system, connected to an nRF module on the median, alerts the driver as they approach. For automatic cars, the system adjusts speed according to transportation norms, enhancing safety on roads.