Apple is gearing up to rebuild the entire Maps platform over the next year. This will be done with all information that is gathered by Apple itself.
The update will roll out to the iOS 12 Beta users and the mapping will be available for San Francisco and the Bay Area. This will eventually cover all of Northern California by fall and come to all versions of iOS.
Apple services leader Eddy Cue said ” Apple has done a huge investment in getting the map up to par. The rest of the US will receive the new maps ‘section by section’ over the next year”.