I lived in Portland for about 4 years (this was 4 years ago). Recently moved back there for a period of 6 months and then moved away again. The entire area changed traffic wise to what I would call insanity. If you use Google Maps or whatever it routes everyone off the main freeways now, and dumps everyone into the farm communities. It's really sad because people don't change their asshole driving behavior. The people in these farms now have to listen to BOOM BOOM BOOM of radios all the time because of the rest of the infrastructure being totally blasted.
I personally don't believe Waze is to blame, I'm pretty sure it's google maps (same company) but only Alphabet has the numbers on both.