That's a demo for future technology. And it's more of a concept video. I wouldn't be surprised if it was exaggerated with assumptions (like say Tesla knowing t

That's a demo for future technology. And it's more of a concept video. I wouldn't be surprised if it was exaggerated with assumptions (like say Tesla knowing the maps layout + sign placements on the roads+lot), because the real problem is far from being solved. Even google uses high resolution maps for it's cars.