It's subjective, of course, but when I worked in NYC, I was able to commute from an area with a density more like 2,000 per sq mi. Maybe an hour each way. Tha

It's subjective, of course, but when I worked in NYC, I was able to commute from an area with a density more like 2,000 per sq mi. Maybe an hour each way. That's what I think of as "not full". I believe I looked for something like that in the BA and it doesn't really exist.