Built before WWII is the key. Inner-ring streetcar suburbs tend to have some local resources: schools, parks, library, small overpriced shops. Anything after 19

Built before WWII is the key. Inner-ring streetcar suburbs tend to have some local resources: schools, parks, library, small overpriced shops. Anything after 1945, forget it. Some metro areas demolished all of theirs, or developed too late to have built any. Rust Belt is surprisingly rich with them.