What Michael O'Hare said. Let me just add that one thing which surprised me when I went to LA was the extent to which substantial portions of the city were actually much higher-density than I'd anticipated. I assume that at some point in LA's development the whole city really was low-density sprawl. It's also true that if you compare LA to New York City, it's all low-density. But a lot of LA looked quite a bit denser than Washington, DC; just laid-out differently and without reasonable transit options.

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