Waze is better. Both Waze and Google Maps use the same data and provide speed camera and red light camera notifications along with reported locations of police.
Google Maps has a feature to check for speed cameras on the road in Google Maps. You can receive radar presence alerts so that you can slow down, and check where they are before planning your route. The radar query on Google Maps is already active in 40 countries, including the UK, Spain, Mexico, Portugal, and the United States. Here’s how to view speed cameras on Google Maps.