Google is testing a Waze-like accident and speed traps reporting feature in Maps since last year, and it seems the company has finally started rolling it out globally. Some Google Maps users are seeing a new button in navigation mode that lets them report accidents and speed traps. Initially, you can only report an accident or a speed trap when similar reports on your navigation route had come in, but Google has improved this feature now by adding a button to report such incidents. Google hasn't officially announced this feature yet and we don't know when exactly it will be...
Source: https://www.gsmarena.com/googles_accident_and_speed_trap_reporting_feature_in_maps_rolling_out_widely-news-36007.php
