If I were to do experiment on a public or private road (or property) that I do not own, the first thing that I would do would be call up the owner. You cannot

If I were to do experiment on a public or private road (or property) that I do not own, the first thing that I would do would be call up the owner. You cannot simply test a car like that on the highway. There are privates road, abandoned airports, big parking lots that are more suited.