LA is close to the logical end of the model you describe; downtown LA is a fairly weak center and there are other nodes as well.
In practice this just means that instead of commuting in long distances in one direction, you do it in every direction. People just tend not to live that close to work due to different desirability characteristics for jobs vs homes. And for multiple income households this is even more difficult, because how often do all the people in a single house work or go to school in the same neighborhood?
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LA is close to the logical end of the model you describe; downtown LA is a fairly weak center and there are other nodes as well.
In practice this just means that instead of commuting in long distances in one direction, you do it in every direction. People just tend not to live that close to work due to different desirability characteristics for jobs vs homes. And for multiple income households this is even more difficult, because how often do all the people in a single house work or go to school in the same neighborhood?