"Our findings show that when speed cameras are doing the ticketing, the proportion of tickets issued to Black and white drivers aligns closely with their respective share of roadway users."
"For instance, on roads where half of drivers are Black, Black drivers receive approximately 54% of automated camera citations. However, they make up about 70% of police stops."
https://theconversation.com/police-stop-more-black-drivers-while-speed-cameras-issue-unbiased-tickets-new-study-from-chicago-238170 via @TheConversationUS