With regular travel from TV to western NC, we are firm believers in relying on both
Google and Waze.
As discussed in the link shown above, both have their merits. Google captures the real-time GPS information from all the app's users,
around the globe. That data includes your GPS location and your computer's (smart phone, iPad, tablet, etc.) machine address, tracking your progress as you travel.
From that, real-time algorithms are able to show traffic conditions and advise you of your "best" route, if you have declared a destination.
Waze works somewhat differently. Waze takes traffic data from user inputs and reports on accidents, speed traps, etc., merging it with satellite data.
Using both gives drivers the best choices.
BTW, going straight through downtown Atlanta on Interstates 75/85 is sometimes quicker.