this post was submitted on 01 Oct 2024
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These cameras do nothing to improve safety. There is no meaningful scientific evidence that shows any difference improvement in safety.
Their only value is socioeconomic harm.
“after accounting for MVC increases in the control segment we found that neither camera placement nor removal had an independent impact on MVCs. In other words, speed cameras did not statistically contribute to an increase or decrease in the number of MVC.”
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3861844/#:~:text=after%20accounting%20for%20mvc%20increases%20in%20the%20control%20segment%20we%20found%20that%20neither%20camera%20placement%20nor%20removal%20had%20an%20independent%20impact%20on%20mvcs.%20in%20other%20words%2C%20speed%20cameras%20did%20not%20statistically%20contribute%20to%20an%20increase%20or%20decrease%20in%20the%20number%20of%20mvc.
Your own study links to a Cochrane systematic review which states the following:
You linked a study that took place along a single 26-mile stretch of road in Arizona, and while it does some good toward controlling for confounding variables, a single, highly localized study simply isn't as robust as a Cochrane systematic review.
Moreover, the study you link focuses on the number of collisions, while the Cochrane review focuses on injuries and deaths. What we were talking about before was – say it with me – injuries and deaths because of entitled, speeding drivers.
It focused on the Arizona study because that was the only one out of the 35 that actually measured Motor Vehicle Collisions. The rest did not even attempt it in any controlled manner.
As stated, there are no meaningful studies that these cameras reduce accidents.
So it sounds to me like you're not disputing the fact that they have a protective effect against injury and death. Maybe you should clarify that in your prior comment if that's how you feel.
I am in fact stating that there is no proof that they do anything to reduce collusions or deaths. I stated in my first comment that such proof does not exist.
These cameras are only deployed to generate revenue. There is no scientific basis for improved safety.
So you're going to go back on the death (and injury) part now that it has been pointed out that the study you linked was only about the collisions. And itself points research that shows that there is a reduction in death (and injury).
Right?
The authors of the systematic review had no reservations in asserting that the cameras lowered injuries and deaths, so how do they not affect safety? Do the cameras emit cancer-causing 5G beams or something that bring the number of injuries and deaths back into equillibrium?
That's 35 for and one against, due to heavily manipulating no less than 5 different variables, in order to force themselves to have to conclude that speed cameras don't improve safety.
Read your links folks!