>Fourth, what will the state do with that data from speed cameras? We've already seen the abuses with automated license plate readers. See the article at EFF about those abuses.

This is often overlooked by the authoritarian crowd. They should be careful what they wish for. The first thing the state will do is sell the data to the private sector, if not specifically prohibited by law..

The first customers will be the insurance industry.

You raise excellent points.