Traffic Control Cameras: Ineffective...or Worse

One of the more Big Brotherish ideas to come down the pike in a long time is the installation of cameras at intersections to catch speeders or red light runners. At first glance, this would seem to be an ideal and objective way of dealing with lawbreakers, since there's not a lot of gray area involved in determining whether or not your car was in the intersection before the light turned red, or whether you were going faster than the posted speed limit. And while one might argue that there are theoretically mitigating circumstances for doing such things (" hamster was in labor!"), the simple fact is that those circumstances rarely (if ever) justify the risk of potentially fatal encounters at intersections.

So, the theory was that by installing cameras - and alerting the driving public of their presence - motorists' behaviors would be positively modified and the result would be fewer accidents. Well, not so fast (pun intended). In the Chicago area, a study of intersections fitted with these cameras showed either no change in accident rates, or increases in those rates, presumably from an increase in rear-end collisions as drivers suddenly realize that the intersection they're approaching has a camera and decide not to chance making the yellow light. For some states that actually bothered to check such statistics, the decision was made to ban the cameras.

It's hard not to be cynical and figure that the real reason cities want cameras at their intersections is to increase traffic citation revenue. If they were really serious about reducing accidents at such intersections, they'd either increase the amount of time the yellow light stays on, or increase the time before the green light for cross traffic switches on, or both. Both of these things have proven effective in reducing accidents at intersections.

I hope the city of Midland will be cautious in any consideration it's giving to installing such cameras.

And, in yet another fine example of the the law of unintended consequences, creative punks have learned how to use those cameras to harass their enemies.

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This page contains a single entry by Eric published on December 19, 2009 10:37 AM.

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