I have had a few head scratchers at times. However on the other side of the coin I was really impressed with the routes and alternatives provided yesterday. I had a meeting in mid-town Manhattan and had to drive to Boston for another meeting this morning. I left at 4:30PM right at the beginning of rush hour. I know my way around but decided to let the Nav unit do it's thing. It provided detours that I never considered that just about bypassed all the traditional blocks.
My luck the next time I use it it will run me in circles like he OP experience.
:dunno: