[quote=Gowi]
Well, in many of those continuities it's well into twenty years (The Last of Us) or have a large community with working farms to feed livestock. We're a rag-tag group of barely competent folks trying to make due who can probably barely feed ourselves, animals added on that and people are going to you know?Except the abandoned cars and automotive wrecks would still be flooding the bulk of metropolitan and city highways. Not to mention any structural damage that causes parts of highways to collapse (see: Fallout, The Last of Us), and so on.
[/quote]

 I "The Last of Us" the military bombed the hell out of every think right? And after 20 years they still were able to get a working car, getting the car will be the easy part, getting enough fuel for it will be the hard part.