You can work around perverse incentives by making the programs revenue neutral (like, any extra revenue gets mailed to transit riders, or something like that, a

You can work around perverse incentives by making the programs revenue neutral (like, any extra revenue gets mailed to transit riders, or something like that, and don't contract out red light cameras to some private company, have them be run by the DOT or something). But yes, traffic issues run much deeper than that, but the fact that any attempts at efficient traffic enforcement generate so much outcry is telling.