alt Hacker NewsAs a native Philadelphian, I immediately see why you need a good resolution here - at 0.1 degrees resolution you very well could have assigned my birthplace to New Jersey. If I'm not mistaken New York and Philadelphia are the largest cities where you might have a problem. Chicago's on a state line but the Illinois-Indiana border is straight.
I wonder if it’s actually straight though? In the chart on the page, Colorado is described as having 7000-something vertices, where I would have expected it to have … 4.