Yes. There have been several cases where GPS data has been used to refute, or attempt to refute speeding tickets, like: http://www.cnet.com/news/man-uses-gps-on

Yes. There have been several cases where GPS data has been used to refute, or attempt to refute speeding tickets, like: http://www.cnet.com/news/man-uses-gps-on-droid-to-refute-speeding-ticket/ http://www.cnet.com/news/man-uses-gps-on-droid-to-refute-spe...