The enhancements first rolled out in Northern California in July 2018, adopted by Hawaii and Southern California in November 2018, and Arizona, New Mexico, and the Las Vegas metropolitan space in April 2019.
Now, the up to date knowledge is on the market throughout Texas, Louisiana, and the southern half of Mississippi, as Apple continues its sample of rolling out the up to date maps in adjoining continental U.S. states. Zooming into these areas shows extra particulars and greenery in Apple Maps throughout the iPhone, iPad, and Mac.
At WWDC 2019, Apple stated the up to date maps will roll out to your entire United States by the top of the 12 months, adopted by further international locations in 2020.
(Thanks, Trevor Okay. and Chet C.!)