The following exert is an eye witness statement. Please read into it what you will. This has been reported to mufon who I am sure are investigating:
So me and my brother where traveling south on the i-10 from pheonix to maricopa. and we were traveling at a speed of 70mph. we were talking and it was very dark except headlights of oncoming traffic. the next thing i know this light orb came down infront of my truck which is traveling at a high rate of speed. it hovered infront of me then zig zagged infront of me and my brother then vanished. after it happen me and my brother loomed at each other and said did you see that and we both to this day agree about what we saw. and we have no explination of what it could of been.