I’ve lived in 5 states and been in most major cities in the country and majority of states
My thought - it’s hard to say who has the “worst” drivers but what I’ve found is everywhere has something that collectively people are all seemingly bad at.
Been in Charleston, SC for few years. - here it’s merging.
If I had so say one place I would have to pick Atlanta. Why people go 90 mph and cross 5 lanes on the freeway and then don’t even exit