"That means we don’t have to rely on GPS technology, or a single point of data such as lane markings, to navigate the streets." GPS accuracy is terrible, and I

"That means we don’t have to rely on GPS technology, or a single point of data such as lane markings, to navigate the streets." GPS accuracy is terrible, and I can only imagine that lane markings (where they even exist) are only slightly better. Even Tesla uses knowledge from other cars that drove through an area to refine its internal map.