You can have largely pedestrianized areas in the interior with these sorts of things but, in general, you need to provide parking because a lot of people are going to need/want to use a car to get to them even if they're on some sort of transit route.
They also tend to work better in moderate climates. One example of something along these lines in the Bay Area is Santana Row. Very clearly artificial but still relatively pleasant.
They also tend to work better in moderate climates. One example of something along these lines in the Bay Area is Santana Row. Very clearly artificial but still relatively pleasant.