Does Apple Maps detect traffic?

You can show traffic conditions in Maps so that you can plan the fastest route and leave enough travel time. In the Maps app on your Mac, click in the search field, then enter the name of the location that you want to check. Click the Map button , then select Driving (or select Satellite, then select Traffic).

How does Apple Maps know traffic accidents?

The crowd-sourced feature lets Apple Maps users report car accidents, road hazards, and speed checks along their route. These reports will then be sent to Apple, and if enough reports are made, they’ll be shown on the map to all users.