Yes, the automobile enabled this change, though I think it happened earlier than you imagine (more like the 50s and 60s). Those older style suburbs are known as

Yes, the automobile enabled this change, though I think it happened earlier than you imagine (more like the 50s and 60s). Those older style suburbs are known as "streetcar suburbs" [1]. 1: https://en.wikipedia.org/wiki/Streetcar_suburb https://en.wikipedia.org/wiki/Streetcar_suburb