Highlights Distracted driving and associated mortality are major public health issues. Illinois enacted a comprehensive handheld phone ban in 2014. We used difference-in-differences analyses to measure its impact on distracted driving. The ban was associated with less talking on handheld phone while driving. Also associated with more talking on handsfree phone while driving.

    Abstract Introduction: Distracted driving has been linked to multiple driving decrements and is responsible for thousands of motor-vehicle fatalities annually. Most U.S. states have enacted restrictions on cellphone use while driving, the strictest of which prohibit any manual operation of a cellphone while driving. Illinois enacted such a law in 2014. To better understand how this law affected cellphone behaviors while driving, associations between Illinois’ handheld phone ban and self-reported talking on handheld, handsfree, and any cellphone (handheld or handsfree) while driving were estimated. Methods: Data from annual administrations of the Traffic Safety Culture Index from 2012–2017 in Illinois and a set of control states were leveraged. The data were cast into a difference-in-differences (DID) modeling framework, which compared Illinois to control states in terms of pre- to post-intervention changes in the proportion of drivers who self-reported the three outcomes. Separate models for each outcome were fit, and additional models were fit to the subset of drivers who talk on cellphones while driving. Results: In Illinois, the pre- to post-intervention decrease in the drivers’ probability of self-reporting talking on a handheld phone was significantly more extreme than that of drivers in control states (DID estimate −0.22; 95% CI −0.31, −0.13). Among drivers who talk on cellphones while driving, those in Illinois exhibited a more extreme increase in the probability of talking on a handsfree phone while driving than those control states (DID estimate 0.13; 95% CI 0.03, 0.23). Conclusions: These results suggest that Illinois’ handheld phone ban reduced talking on handheld phones while driving among study participants. They also corroborate the hypothesis that the ban promoted substitution from handheld to handsfree phones among drivers who talk on the phone while driving. Practical Applications: These findings should encourage other states to enact comprehensive handheld phone bans to improve traffic safety.


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    Title :

    The impact of Illinois’ comprehensive handheld phone ban on talking on handheld and handsfree cellphones while driving


    Contributors:
    Benedetti, Marco H. (author) / Lu, Bo (author) / Kinnear, Neale (author) / Li, Li (author) / Delgado, M. Kit (author) / Zhu, Motao (author)

    Published in:

    Publication date :

    2022-11-03


    Size :

    7 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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