to suspend self driving cars in arizona, pittsburgh and send it to her for the time being. uber has shifted itself driving test cars to arizona because governor doug ducey has been a big proponent of technology and the same regulations. the accident also comes as a number of companies are racing to get the self driving cars on the market. uber google, ford motor cintas are all running tests on the roads right now. the self driving test that was killed last year after he was hit by a tractor-trailer. other potential form of futuristic travel has come a long way, and experts say there are still major state the concerns moving forward. a deer if you remove the driver calmly remove driver error. there were several defects to the theory. first of all, the automation has to work. louisville save? reporter: cars predict a task