Cochrane Database Syst Rev November 2010 PMID 21069682

Speed cameras for the prevention of road traffic injuries and deaths.

Cecilia Wilson, Charlene Willis, Joan K Hendrikz, Robyne Le Brocque, Nicholas Bellamy

Mentions

55
Peak: 10 in Sep 2025
across 6 sources since Nov 2010

Extended reach

50,814
potential audience

Total likes

171

Video views

2,549

Mentions per month

Nov 2010 – Nov 2025

Where it's discussed

  • X / Twitter20 posts
  • Reddit20 posts
  • News11 articles
  • YouTube2 videos
  • Bluesky1 posts
  • Facebook1 posts

AI synopsis

What people are saying

The discussions uniformly highlight evidence from numerous studies claiming that speed cameras effectively lower vehicle speeds and crash severity, with references to reductions in crashes up to 58%. The tone emphasizes scientific backing and encourages wider adoption, illustrating strong belief in their positive impact on road safety.

AgreementStrong agreement

Most discussions strongly support the effectiveness and safety benefits of speed cameras, citing multiple peer-reviewed studies and meta-analyses.

InterestHigh interest

Posts demonstrate high interest by referencing detailed research, statistics, and calling for broader implementation.

EngagementHigh engagement

Several posts engage deeply, discussing study results, methodological points, and policy implications, indicating active participation.

ImpactHigh impact

The overall tone emphasizes the importance of speed cameras as proven tools for reducing crashes and injuries, suggesting significant potential for influencing policy and road safety measures.

Abstract in brief

  • Speed cameras are considered an important public health measure to reduce road traffic injuries and fatalities, especially as road crashes are becoming a leading cause of disease burden globally.
  • A review of 35 studies showed that speed cameras can effectively lower vehicle speeds and reduce speeding, crashes, and injuries around camera sites, though results varied across studies.
  • Due to differences in study designs and outcomes, a formal meta-analysis was not possible, but overall evidence suggests that speed cameras contribute to safer roads by decreasing vehicle speeds and crash severity.

Top posts

Most liked on X and Bluesky
Jimmy Scrambles
@RazzberryYams · X

@musharbash_b @Ida_Clemens Using occasional police stops to say that enforcement doesn't slow down drivers is bad analysis. Studies of actual speed cameras consistently find that they cause drivers to slow down. https://t.co/Yb9eZVsx17 https://t.co/Z56b1qasFY

Jun 9, 2023 · 17 likes · 1,780 followers View post →
just matt
@questionableway · X

the link to this literature review can be found here: https://t.co/7PeZtQniLw

Jun 10, 2025 · 6 likes · 4,262 followers View post →
mikiboss
@mikibosser · X

https://t.co/rwIlGplU5V Per 25 peer reviewed studies and trials of Speed cams: "the consistency of reported reductions in speed and crash outcomes across all studies show that speed cameras are a worthwhile intervention for reducing the number of road traffic injuries and deaths"

May 27, 2025 · 4 likes · 1 share · 250 followers View post →
@casualcommuter.bsky.social
@CasualCommuter_ · X

https://t.co/7TpCKUfhTS Do we really need speed cameras? Are they the best tool for the job? Maybe there's another way! #Ottawa

Feb 22, 2024 · 4 likes · 2 shares · 86 followers View post →
Let's Get Neighborhood Approval to Save the Planet
@ChrisByBike · X

@scottdavisCRE @JoshInEncinitas @JoeBlowPremium "An overview of 28 studies found that after cameras were put into use, all crashes in the vicinity decreased between 8% and 49%. Fatal and serious injury crashes dropped between 11% and 44%" https://t.co/iC1SIWDTtb

Jan 27, 2024 · 1 like · 3,076 followers View post →
Vincent Laframboise
@VincentLaframb2 · X

@MVdlJCardinal @_MarkSutcliffe @Ward10_Ottawa @RiverWardRiley Here is undisputable evidence that they work: https://t.co/7ZZORTfDeJ.

Aug 8, 2024 · 1 like · 29 followers View post →

All mentions

Tyler Smith
@plantarum.ottawa.place.ap.brid.gy · Bluesky

#PhotoRadar is a quick and effective short term. #TrafficCalming and #RoadDiet is a more durable solution to excess speed: https://youtu.be/M5J5xZQ6sgE

Sep 28, 2025 View post →
just matt
@questionableway · X

the link to this literature review can be found here: https://t.co/7PeZtQniLw

Jun 10, 2025 · 6 likes · 4,262 followers View post →
Marcus Wong
@aussiewongm · X

RT @mikibosser: https://t.co/rwIlGplU5V Per 25 peer reviewed studies and trials of Speed cams: "the consistency of reported reductions in s…

May 27, 2025 · 1 share · 3,856 followers View post →
mikiboss
@mikibosser · X

https://t.co/rwIlGplU5V Per 25 peer reviewed studies and trials of Speed cams: "the consistency of reported reductions in speed and crash outcomes across all studies show that speed cameras are a worthwhile intervention for reducing the number of road traffic injuries and deaths"

May 27, 2025 · 4 likes · 1 share · 250 followers View post →
Teddy Roosevelt’s Ghost
@ghostoftedroos · X

@AldermanLaSpata Speed cameras should be everywhere because they’ve been widely studied to show serious improvements in road safety, once implemented avg speeds ⬇️ 15% and speeding ⬇️ 65%. Near camera sites, all crashes fell 49% and fatal/serious injury crashes 44% https://t.co/tXenjldbbo.

Feb 28, 2025 · 99 followers View post →
Emanuele676
@Emanuele676 · X

@AleEquilibrium @LucaDoldi Questo è così confuso che critica il nuovo CdS dicendo che fa bene ad ostacolare gli autovelox. E riesce comunque a dire una cosa falsa. https://t.co/Mgx2u3NtFl

Nov 21, 2024 · 543 followers View post →
Vincent Laframboise
@VincentLaframb2 · X

@MVdlJCardinal @_MarkSutcliffe @Ward10_Ottawa @RiverWardRiley Here is undisputable evidence that they work: https://t.co/7ZZORTfDeJ.

Aug 8, 2024 · 1 like · 29 followers View post →
Curling Rack
@CurlingRack · X

RT @CasualCommuter_: https://t.co/7TpCKUfhTS Do we really need speed cameras? Are they the best tool for the job? Maybe there's another way…

May 30, 2024 · 2 shares · 701 followers View post →
Ross MacLeod
@rmlgestionnaire · X

RT @CasualCommuter_: https://t.co/7TpCKUfhTS Do we really need speed cameras? Are they the best tool for the job? Maybe there's another way…

Feb 24, 2024 · 2 shares · 893 followers View post →
@casualcommuter.bsky.social
@CasualCommuter_ · X

https://t.co/7TpCKUfhTS Do we really need speed cameras? Are they the best tool for the job? Maybe there's another way! #Ottawa

Feb 22, 2024 · 4 likes · 2 shares · 86 followers View post →
Let's Get Neighborhood Approval to Save the Planet
@ChrisByBike · X

@scottdavisCRE @JoshInEncinitas @JoeBlowPremium "An overview of 28 studies found that after cameras were put into use, all crashes in the vicinity decreased between 8% and 49%. Fatal and serious injury crashes dropped between 11% and 44%" https://t.co/iC1SIWDTtb

Jan 27, 2024 · 1 like · 3,076 followers View post →
Dr. Teale Phelps Bondaroff
@TealePB · X

@PatchOCool @justingong2009 @T_C_2027 I've done some reading on the topic, like I said, there's an extensive topic. When facing such an extensive literature, a good practice is to reach for a meta-analysis. This avoids the risk of cherry picking

Nov 29, 2023 · 3,564 followers View post →
Absurd Camus
@camus_absurd · X

@EvanMcM @digitalburns @odbol @nothingnadarien @MASSExpedition @DavidZipper @USDOT @FastCompany Like this Cochrane review that found speed cameras reduce crashes and fatal collisions https://t.co/FwzAr86VCh

Nov 19, 2023 · 277 followers View post →
Justin Fox
@foxjust · X

@ProBucks_ @business @opinion https://t.co/PkLu9vFn6B

Oct 10, 2023 · 24,334 followers View post →
t
@TomJHBennett · X

@DrNickBailey https://t.co/jdEYxJ8BHB

Sep 12, 2023 · 110 followers View post →
Jimmy Scrambles
@RazzberryYams · X

@musharbash_b @Ida_Clemens Using occasional police stops to say that enforcement doesn't slow down drivers is bad analysis. Studies of actual speed cameras consistently find that they cause drivers to slow down. https://t.co/Yb9eZVsx17 https://t.co/Z56b1qasFY

Jun 9, 2023 · 17 likes · 1,780 followers View post →
MPLS Bike Wrath
@mplsbikewrath · X

@mattygmpls Even cooler story bro https://t.co/lESdgpK29S

Mar 16, 2023 · 2,076 followers View post →
L
@oklalp · X

@FundayIs @lpnyofficial @NYCMayor @BilldeBlasio Did you bother to look at the literature yourself? https://t.co/oLDnwpIEiv https://t.co/hcmVdNiWrh

Aug 2, 2022 · 54 followers View post →
ex bogotano por accidente
@litwicki · X

@kryandwhisper The CDC report cites this robust but admittedly 12-yr-old meta-study. https://t.co/NDZOewvvYc https://t.co/EN9RsgZkXH

Jun 22, 2022 · 516 followers View post →
Stephen Feber Ltd
@StephenFeberLtd · X

https://t.co/BAi2fsw82z All 28 studies found a lower number of crashes in the speed camera areas. Crashes resulting in death or serious injury reductions ranged from 17% - 58%, most studies reporting this result in the 30% - 40% reduction range. https://t.co/TAkhrc5rt4

May 13, 2022 · 843 followers View post →
Josep M Suelves
@jmsuelves · X

Incomprensible campanya contra el control de l'excès de velocitat, una mesura de seguretat viària d'efectivitat sobradament demostrada https://t.co/dJ3hhhMkNO https://t.co/53sg1zx6Kr

Jan 21, 2022 · 581 followers View post →
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... www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD004607.pub4/abstract. TL;DR they save lives, not a debate. MegaCockInhaler. • 3mo ago.

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... 10.1002/14651858.CD004607.pub4/abstract https://pmc.ncbi.nlm.nih.gov/articles/PMC11739063/ · Magificent_Gradient. • ...

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... speed cameras has found they save lives. https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD004607.pub4/full · meyogy. • 1y ago.

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... 10.1002/14651858.CD004607.pub4/abstract. So yes, the program can work. I'm sure part of the success will be dependent on locations chosen and ...

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