The state of Bulgaria 's car fleet reflects a significant aging trend, with over 70% of vehicles on the roads exceeding 15 years in age. Meanwhile, only 4.6% of cars are less than five years old. This highlights the slow adoption of newer vehicles equipped with advanced safety systems, such as driver drowsiness detection, lane-keeping assistance, speed monitoring, and enhanced crash resistance. As of January 1, 2024, a total of 4,030,487 motor vehicles were registered in Bulgaria. Of these, 3,