Apple is driving vehicles around the world to collect data which will be used to improve Apple Maps. Some of this data will be published in future Apple Maps updates.
We are committed to protecting your privacy while collecting this data. For example, we will blur faces and license plates on collected images prior to publication.
We first speculated back in February that this was the likely reason for the camera-equipped minivans leased by Apple, at a time when many were suggesting they were test beds for self-driving cars.