Average cars got bigger and heavier with a higher line of sight since even the 90s, making them exponentially more dangerous for everyone outside them. Cars are the second leading cause of child mortality in the US
Link below has some interesting plots. One shows child pedestrian deaths per 100k population going steadily down since 70s. Yet adult pedestrian deaths have recently ticked up.
https://www.iihs.org/topics/fatality-statistics/detail/pedes...