I use my Android phone and Google Maps.
Since all who do that are tracked by Google the "Map" updates as you drive... If for example there is an accident oh say 10 minutes in front of you.> Lola will announce "Traffic back up of 5 minutes 10 miles ahead. alternate route available choose to use it or no thanks.
I was kind of amazed at that last week when I was doing a trip to a place I'd never been before.
Even the My-Pilot app uses the same map service to GPS you to overnight parking with Gas/Diesel/Denny's