Google Maps is not shy borrowing useful features from Waze, following the acquisition of the company by Google. Just recently Maps gained indication for speed cameras, speed traps and the option to report possible hazards on the road. Now, a speedometer has been implemented on the navigation screen to help you stay within speed limits. The app warns you if you are exceeding the speed limit while the speedometer is displayed in the lower-left corner of the navigation screen. That's another feature coming straight from Waze but unfortunately, the speedometer rollout is staged and...
Source: https://www.gsmarena.com/google_maps_adds_speedometer_to_your_navigation_screen-news-37419.php