Road fatalities per 100,000 population in major US States, Australian States and Canadian Provinces
(lemmy.world)
Taken from: https://www.youtube.com/watch?v=JBPkI3CCY8o
Both? Both. Massachusetts is right up there as well, and while Boston isn't as large or dense as NYC, a full 50% of the workforce in Boston commutes every day using the T. That's a huge portion of the people who go into and out of Boston daily from outside suburbs and towns who aren't on the roads.