In June 2018, Apple announced that its Maps app would be rebuilt “from the ground up”with more accurate details like grass and trees, pools, parking lots, exact building shapes, sports areas like baseball diamonds and basketball courts, and pedestrian pathways that are commonly walked but previously unmapped.
The revamped Apple Maps experience first rolled out to Northern California during iOS 12 beta testing last year and has since extended to Southern California, Arizona, New Mexico, Texas, parts of the Gulf Coast, and several Northeast states such as New York, New Jersey, Pennsylvania, and Massachusetts.
The expansion continued this week, as Apple has finished its rollout of the improved maps in parts of the West and Midwest regions of the United States. This includes Colorado, Utah, Nevada, Wyoming, Idaho, Oregon, Montana, Washington, West Virginia, Ohio, Michigan, and parts of Illinois and Indiana.
Read more at MacRumors.com