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Whether accident occur on a public highway, street, or road

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For all injury episodes that occurred during the past 3 months and that occurred while the person was in a motor vehicle, on a bike/scooter/skateboard/skis/horse/etc., or if the person was struck by a vehicle as a pedestrian, IRIMTRAF reports whether the accident occurred on a public highway, street, or road. IRIMTRAF does not include non-traffic areas such as driveways or parking lots.

IRIMTRAF is an injury-level variable.

IRIMTRAF is part of a series of variables initiated in 1997 that systematically report persons' injuries and poisonings, the cause, what the person was doing while sustaining the injury or poisoning, and where she/he was at the time of the injury or poisoning. For related variables and additional information, please see the User note on Injuries and Poisonings or use the IPUMS NHIS search function and drop-down menus.


This variable is comparable across available years.


  • 2004-2013; 2014 2015 2016 2017: All injuries caused by transportation.


  • 2004-2017