Did you consider a possibility that if everyone drives responsibly, we will see less terrible news of people dying and maimed in car accidents? I do not know enough to say this is so, just asking you to consider.
For example, you may think that you personally able to drive responsibly at 100 mph and did so for 60 years already, but the city in general benefits from it. Automatic cameras seems like a better solution that cops hiding in the bushes – more objective and predictable, and less expensive.