Red-light cameras increase crashes, researchers find

March 11th, 2008

Rather than improving motorist safety, red-light cameras significantly increase crashes and are a ticket to higher auto insurance premiums, researchers at the University of South Florida College of Public Health conclude. The effective remedy to red-light running uses engineering solutions to improve intersection safety, which is particularly important to Florida’s elderly drivers, the researchers recommend.

The report was published this month in the Florida Public Health Review, the online journal of the college and the Florida Public Health Association.

“The rigorous studies clearly show red-light cameras don’t work,” said lead author Barbara Langland-Orban, professor and chair of health policy and management at the USF College of Public Health. “Instead, they increase crashes and injuries as drivers attempt to abruptly stop at camera intersections. If used in Florida, cameras could potentially create even worse outcomes due to the state’s high percent of elderly who are more likely to be injured or killed when a crash occurs.”

Red-light cameras photograph violators who are then sent tickets in the mail. Hillsborough County Commissioners unanimously agreed earlier this month to install the cameras at several major intersections in the county. The devices could be adopted by more cities and counties if Florida legislators pave the way by changing a state law this spring.

The USF report highlights trends in red-light running in Florida, summarizes major studies, and analyzes the automobile insurance industry’s financial interest in cameras. Among the findings:

-- Traffic fatalities caused by red-light running are not increasing in Florida and account for less than 4 percent of the state’s yearly traffic deaths. In contrast, more than 22 percent of the state’s traffic fatalities occur at intersections for reasons other than red-light running.

-- The injury rate from red-light running crashes has dropped by a third in less than a decade, indicating red-light running crashes have been continually declining in Florida without the use of cameras.

-- Comprehensive studies from North Carolina, Virginia, and Ontario have all reported cameras are significantly associated with increases in crashes, as well as crashes involving injuries. The study by the Virginia Transportation Research Council also found that cameras were linked to increased crash costs.

-- Some studies that conclude cameras reduced crashes or injuries contained major “research design flaws,” such as incomplete data or inadequate analyses, and were conducted by researchers with links to the Insurance Institute for Highway Safety. The IIHS, funded by automobile insurance companies, is the leading advocate for red-light cameras. Insurers can profit from red-light cameras, since their revenues will increase when higher premiums are charged due to the crash and citation increase, the researchers say.

Langland-Orban said the findings have been known for some time. She cites a 2001 paper by the Office of the Majority Leader, U.S. House of Representatives, reporting that red-light cameras are “a hidden tax levied on motorists.” The report concluded cameras are associated with increased crashes, the timings at yellow lights are often set too short to increase tickets for red-light running, and most research concluding cameras are effective was conducted by one researcher from the IIHS. Since then, studies independent of the automobile insurance industry continue to find cameras are associated with large increases in crashes.

Red-light running can be reduced by engineering improvements that address factors such as signal visibility and timings, wet roads and traffic flow, the USF researchers say. The researchers suggest local governments follow the state’s lead in designing roads and improving intersections to accommodate elderly drivers, which would ultimately benefit all drivers.

Source: University of South Florida


print this article email this article download pdf blog this article bookmark this article     Digg this Stumble it share on Facebook share on Reddit add to delicious save to Yahoo! bookmarks
4.7/5 after 53 votes

Rank Filter

Move the slider to adjust rank threshold, so that you can hide some of the comments.


Display comments: newest first

  • ShadowRam - Mar 12, 2008
    • Rank: not rated yet
    Red Light cameras are not the blame.

    Yellow lights that are not timed correctly, to allow for weather conditions, and people just driving too fast.

    At first, yes the accidents might increase as people learn from thier mistakes.. as they slam on their brakes because they got a ticket last time, or people following to closely.

    but they'll learn eventually to slow down.
  • Corvidae - Mar 12, 2008
    • Rank: not rated yet
    Several countries in Europe have already found the answer. Blink the yellow light a set number of times at a set rate and people stop running red lights.

    Somehow I'm betting cities that get revenue from red light tickets wouldn't let it happen though.
  • catapila - Mar 17, 2008
    • Rank: not rated yet
    A number of Asian countries (i am curious where else) have green and red digital counters. Each green and red phase has a digital countdown in seconds. One can see about 3-4 lights ahead at least.

    I find these to promote most efficient driving among all road users.

    Comments please?

March 11th, 2008 all stories
Medicine & Health / Health

Comments: 3
Rank: 4.7/5 after 53 votes

  • Stumble this up

  • Digg this

  • Share it:
  • share on Facebook
  • share on MySpace
  • share on Slashdot
  • rss-newsfeed
  • share on Google
  • share on Reddit
  • add to delicious
  • save to Yahoo! bookmarks
  • share on Windows Live
  • Add to Mixx!
Rating: 4.7/5 after 53 votes

  • Related Stories

  • 15M hits later, YouTube Symphony makes live debut
    created Apr 16, 2009 | popularity not rated yet | comments 0
  • Ticket's in the mail: Red-light cameras questioned
    created Mar 13, 2009 | popularity not rated yet | comments 0
  • Engineers ride 'rogue' laser waves to build better light sources
    created Mar 05, 2009 | popularity not rated yet | comments 0
  • New car tech: Not just crash protection, but prevention
    created Jan 28, 2009 | popularity not rated yet | comments 0
  • Using math to design amazing mirrors
    created Jan 18, 2009 | popularity not rated yet | comments 0

Tags


  • Physicists Demonstrate Quantum Memory with Matter Qubits
    Physicists Demonstrate Quantum Memory with Matter Qubits
    Physics / General Physics
    created Jul 03, 2009 | popularity 4.4 / 5 (16) | comments 1
  • 'Holey' Nanosheets for Wastewater Dye Removal
    Nanotechnology / Nanomaterials
    created Jul 01, 2009 | popularity 5 / 5 (5) | comments 1
  • Jellyfish Robot Swims Like its Biological Counterpart
    Jellyfish Robot Swims Like its Biological Counterpart
    Electronics / Robotics
    created Jun 26, 2009 | popularity 4.4 / 5 (8) | comments 1
  • Could Maxwell's Demon Exist in Nanoscale Systems?
    Could Maxwell's Demon Exist in Nanoscale Systems?
    Physics / General Physics
    created Jun 24, 2009 | popularity 4.4 / 5 (18) | comments 29
  • Living Safely with Robots, Beyond Asimov's Laws
    Living Safely with Robots, Beyond Asimov's Laws
    Electronics / Robotics
    created Jun 22, 2009 | popularity 4.6 / 5 (52) | comments 40
  • Other News

    DNA variations linked to brain tumors

    Medicine & Health / Genetics

    created 10 minutes ago | popularity not rated yet | comments 0

    Mayo Clinic researchers and colleagues at the University of California San Francisco have found a connection between DNA alterations on human chromosome 9 and aggressive brain cancer known as glioblastoma. The findings are ...


    MicroRNAs hold promise for treating diseases in blood vessels

    Medicine & Health / Research

    created 16 minutes ago | popularity not rated yet | comments 0

    A newly discovered mechanism controls whether muscle cells in blood vessels hasten the development of both atherosclerosis and Alzheimer's disease, according to an article published online today in the journal Nature.


    Malaysian authorities seize 'Viagra coffee' : report

    Medicine & Health / Health

    created 3 hours ago | popularity not rated yet | comments 0

    Malaysia's health authorities have seized over 20,000 dollars worth of coffee mixed with sildenafil, the main ingredient in erectile dysfunction drug Viagra, a report said Sunday.


    Calif. regulators warn of pot's cancer capability

    Medicine & Health / Cancer

    created 23 hours ago | popularity 3 / 5 (2) | comments 2

    (AP) -- It might take Californians a puff or two to get their heads around an apparent contradiction recently enshrined in state law. The same marijuana smoke that doctors can recommend to ease cancer patients' suffering ...


    People sometimes seek the truth, but most prefer like-minded views

    People sometimes seek the truth, but most prefer like-minded views

    Medicine & Health / Psychology & Psychiatry

    created Jul 01, 2009 | popularity 4.2 / 5 (10) | comments 9

    We swim in a sea of information, but filter out most of what we see and hear. A new analysis of data from dozens of studies sheds new light on how we choose what we do and do not hear. The study found that ...