On 22 Dec 2005 13:47:16 -0800, "Ian Bailey"
There certainly would be in Australia!
Not needed. For a simple example, consider two cameras exactly one kilometer or mile apart. A car traveling at the legal limit will take "t" of time to cover the distance between them. If a given vehicle covers the distance in less than "t" it has been over the speed limit at some portion of the distance.
Of course, they may have been pbutting another vehicle and briefly exceeded the limit, so it would be better if the cameras were several kilometers or miles apart. The distance doesn't really matter. Child's play for a computer to calculate average speed whatever the distance involved. It can even allow a "tolerance" for incorrect speedometer readings on the offending vehicle.
Again, can do it without cameras at all. In Australia, light aircraft are sometimes used in remote areas to detect speeders. No reason why it couldn't be done with pilotless drone aircraft if wanted to spend the money on it.
Lots of things can be done with modern technology if want to spend the money to do it. Some would be very simple, and just require a simple program modification. If vehicle "A" decelerates, both brake lights should come on. If it turns, the turn signals should work. In twilight conditions, the headlights should be on.
It might even be possible to measure the tire tread depth on a pbutting vehicle, if wanted to do it. :-)
How do authorities keep motorists or others from trashing the cameras? Very simple, just provide a heavy enough penalty for doing so and rewards for any witnesses to such an act.
Wouldn't it be simpler for people to just obey the laws? :-)
Writing from misc.survivalism, I don't follow the other groups.
