That's immediately visible to people with eyeballs. The first sign that something is going wrong isn't going to be a car colliding with another car. It's going to be, "Hey, why are those kids installing a light with a step ladder?"
Have you seen a traffic light? They're pretty substantial. How long would it take for you to make one in a hackerspace?
Contrast this with hacking OTA updates for traffic beacons. You might not even have to change any atoms around to do your dirty deed. You might not even have to be there physically.
Have you seen a traffic light? They're pretty substantial. How long would it take for you to make one in a hackerspace?
Contrast this with hacking OTA updates for traffic beacons. You might not even have to change any atoms around to do your dirty deed. You might not even have to be there physically.