Alot of people on busier roads now do the opposite to what GPS says. Many Jams are now caused by GPS diverting all on to the detour
Leaving the orignal route easy to navigate
Although not fully accurate as you can see in some areas where the image was from a different source normally the light levels change (seen some where an object is shown in one image the bit which is in the other image is not there ie buliding knocked down or bulit, a car was not there that day
But using street view can make a person who has never been to that area familiar with it before you go. Wish we had it when the wife was waiting to come over.