Highway Safety: Federal and State Efforts Related to Accidents That Involve Non-Commercial Vehicles Carrying Unsecured Loads Page: 27 of 38
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Appendix III: Current FARS and NASS GES
Data Category Definitions and Planned 2013
How data category will be defined
Data categorya How data category is defined currently starting in 2013
Data categories that apply to objects set in motion, striking another vehicle, person, or property
Motor Vehicle In-Transport Strikes or Used when cargo on or parts from a motor No Change.*
is Struck by Cargo or Objects Set-in- vehicle are set in motion or an object in the road
Motion from/by Another Motor Vehicle is struck by a motor vehicle and set in motion. In
In-Transportb both cases, the cargo, parts, or object then
strike another motor vehicle.
Scenario A: A mattress transported by, or a
hubcap from, vehicle 1 becomes dislodged and
is set in motion. The mattress or hubcap flies
into and strikes vehicle 2.
Scenario B: Vehicle 1 hits a tree branch or a
hubcap from an unknown source in the
roadway, and sets it in motion striking vehicle 2.
*Although NHTSA will continue to code both scenarios A and B in the above data category, it will now distinguish between
the two scenarios, using the additional data categories described below.
CargoNVehicle Parts Set-In-Motion Used for all set-in-motion crashes described Revised: Will now be used only for scenario
above. A (crashes where the object set in motion
was originally cargo on, or parts from, a
moving motor vehicle and this object strikes
another vehicle, person or property causing
injury or damage).
Other Object Set-In-Motion Not a current category. New: Will be used for scenario B (crashes
where the object set in motion was not
originally cargo on or parts from a moving
motor vehicle or it is unknown whether the
object was the cargo or a part of an in-
transport motor vehicle. In either case, the
object strikes another motor vehicle, person
or property causing injury or damage).
Data categories that apply to vehicles striking objects already in the road that may or may not have come from another
Motor Vehicle in Transport Strikes an Used for crashes wherein a motor vehicle Revised: Will be used only for scenario C
Object That Is Not Fixed strikes any non-fixed object, such as a mattress (when a motor vehicle strikes a non-fixed
or a tree branch, lying in the roadway. object already at rest in the roadway but
Scenario C: Vehicle hits a tree branch already known to have not come from a motor
in the roadway. vehicle, or unknown if it came from a motor
Scenario D: Vehicle hits a mattress already in vehicle).
GAO-13-24 Unsecured Loads
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United States. Government Accountability Office. Highway Safety: Federal and State Efforts Related to Accidents That Involve Non-Commercial Vehicles Carrying Unsecured Loads, report, November 15, 2012; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc300082/m1/27/: accessed April 18, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.