Quote:
Originally Posted by powderjunkie
I've never fully understood the logic of single entrance/exit communities, beyond avoiding non-residents cutting through as a shortcut.
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That is the one and only reason why it's a 'thing': keeping non-residents out. "Traffic calming" by eliminating the possibility of "cut-through traffic" in the first place. You can't cut through a neighbourhood if all roads circle back to the one entrance.
It's part of why urban planners moved away from street grids to "curvilinear" street patterns with crescents and culs-de-sac: if you live on a crescent or cul-de-sac there shouldn't be anybody driving on it other than your immediate neighbours living on the same street.