On average, car crashes cause more than 40,000 deaths per year in the United States. Technologies like seat belts, advanced airbags, and automated braking systems have improved car driver and passenger safety, but pedestrian deaths due to crashes have actually increased by 48% over the last decade, reaching about 7,500 fatalities in 2022. Transportation researchers comb through police crash reports to identify infrastructure countermeasures that will help in the greatest number of cases. However, sometimes improving the average situation isn’t enough.