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Department of Transportation calls texting/phoning while driving study "irresponsible"

Study says laws banning phoning/texting while driving don't cut crashes

By John Cox, Network World
January 31, 2010 05:33 PM ET
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Laws banning cell phone use, including texting, while driving apparently don't result in actually reducing vehicle crashes, according to a new study that was immediately criticized by the U.S. Department of Transportation as "irresponsible."

The study by the Highway Loss Data Institute, released last week, compared insurance claims for crash damage in 4 jurisdictions before and after cell phone bans. There were "no reductions in crashes" after the bans took effect compared with nearby jurisdictions that had no such restrictions. HLDI is an affiliate of the Insurance Institute for Highway Safety. The complete 5-page report is online

Transportation Secretary Ray LaHood just recently proclaimed rules forbidding commercial truck and bus drivers from texting while driving, with fines, if caught, of up to $2,750 and jail time if there's an accident caused by a texting driver. LaHood has said he would ban all texting while driving if he could, according to the Wall Street Journal story on the HLDI report. 

The basis of the ban lies in a number of studies that show text messaging with cell phones is an especially distracting activity, endangering drivers, passengers and those around them. Network World editor Paul McNamara wrote recently in his BuzzBlog,  in favor of texting bans, "The data has been piling up for years, too, witness this study that says truck drivers who text from the road are 23 times more likely to have an accident....Those penalties -- and jail time if an accident occurs -- are more than justified by the danger these drivers are creating; danger to their passengers, other drivers, and themselves."

But the HLDI report concludes that cell phone and phone texting bans are not reducing crashes. "The laws aren't reducing crashes, even though we know that such laws have reduced hand-held phone use, and several studies have established that phoning while driving increases crash risk," says Adrian Lund, president of both the Insurance Institute for Highway Safety and HLDI, a statement quoted in the HLDI press release

Also from the press release: "The HLDI database doesn't identify drivers using cellphones when their crashes occur. However, reductions in observed phone use following bans are so substantial and estimated effects of phone use on crash risk are so large that reductions in aggregate crashes would be expected. In New York the HLDI researchers did find a decrease in collision claim frequencies, relative to comparison states, but this decreasing trend began well before the state's ban on hand-held phoning while driving and actually paused briefly when the ban took effect. Trends in the District of Columbia, Connecticut, and California didn't change."

So cell phones bans cut highly risky behavior by reducing the incidence of phoning while driving, but they don't seem to result in fewer crashes.

"This finding doesn't auger well for any safety payoff from all the new laws that ban phone use and texting while driving," Lund says.

The report offered some speculation on why the number of crashes isn't dropping. One possible reason is that drivers switch to hands-free phones, which currently aren't banned in any state. In other words, they're still talking, if not texting, on their phones, and therefore presumably still crashing at the same frequency. "In this case crashes wouldn't go down [i.e., decrease] because the risk is about the same, regardless of whether the phones are hand-held or hands-free," according to the press release summary of the report's findings.

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