this post was submitted on 13 Jul 2023
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City Life

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Is this the year California OKs speed cameras? (www.latimes.com)
submitted 1 year ago* (last edited 1 year ago) by omenmis@beehaw.org to c/citylife@beehaw.org
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hoping this catches on, pretty please CA...

i like the fact that the money can only go into maintaining the speed cameras or into making the road safer. those are both things desperately needed, especially in LA.

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[–] MJBrune@beehaw.org 0 points 1 year ago (1 children)

Several studies have came out that red light cameras have made driving less safe. I bet speed cameras are the same. We should really do away with stroads in America.

[–] meteorswarm@beehaw.org 1 points 1 year ago (2 children)

Speed cameras in NYC are extremely effective at reducing speeding.

Legal changes enabled NYC to issue tickets from speed cameras at night and on weekends starting in August of last year. This provided a great natural experiment because they were recording speeding events before and after.

https://nyc.streetsblog.org/2023/03/17/drivers-getting-nabbed-with-fewer-speeding-tickets-data-show

Speeding dropped 40% by March.

[–] MJBrune@beehaw.org 1 points 1 year ago (2 children)

Oh, nice. That seems far more useful than red light cameras then. Stroads overall seem to be a problem but I guess this helps slow people down.

[–] meteorswarm@beehaw.org 2 points 1 year ago

Yeah. It's also a lot easier to put in cameras then rip out a stroad.

[–] meteorswarm@beehaw.org 1 points 1 year ago

Yeah. It's also a lot easier to put in cameras then rip out a stroad.

[–] PostmodernPythia@beehaw.org 0 points 1 year ago (1 children)

NYC is also an edge case, though. Using it to represent the whole country is kind of bonkers. Speeding cameras in a crowded city, where everyone’s aware a lot is going on, and going fast is hard, probably have very different results than speeding cameras in areas that are less concentrated.

[–] Pseu@beehaw.org 1 points 1 year ago* (last edited 1 year ago)

First, NYC has a variety of different road types, and most cities have at least some highly mixed roads. I'm not sure where NYC's cameras were positioned, and I'm at work, so I can't read up on it.

And other studies have also shown speed cameras to be effective:

Twenty eight studies measured the effect on crashes. All 28 studies found a lower number of crashes in the speed camera areas after implementation of the program. In the vicinity of camera sites, the reductions ranged from 8% to 49% for all crashes, with reductions for most studies in the 14% to 25% range. For injury crashes the decrease ranged between 8% to 50% and for crashes resulting in fatalities or serious injuries the reductions were in the range of 11% to 44%. Effects over wider areas showed reductions for all crashes ranging from 9% to 35%, with most studies reporting reductions in the 11% to to 27% range. For crashes resulting in death or serious injury reductions ranged from 17% to 58%, with most studies reporting this result in the 30% to 40% reduction range. The studies of longer duration showed that these positive trends were either maintained or improved with time.

https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD004607.pub4/abstract