[elkfersupper]

The goal is to pass the maximum number of vehicles through an intersection with a minimum number of accidents.

Numerous studies to the contrary here:

Red Light Cameras Increase Accidents

[jim_trent]

A "Journal of the Politics of Driving" is NOT an independent study. Every one I have seen that say that (like this one) are untrained people who have an axe to grind -- just like you.