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Belt
Use - For the crash
summary, belt use is reported for
occupants in a passenger car, a light
truck or van. Occupants were coded as
being belted if they reported using a
shoulder/lap belt, lap belt or a child
safety seat (occupants using only a
shoulder strap were deemed
unbelted). In the majority of
cases, seat belt use as recorded by the
investigating officer is self-reported by
the crash occupant. Due to Utah's
safety restraint laws, crash occupants
may misreport belt use in order to avoid
a citation or fine. In the case of
fatal or severe injury crashes the
officer will determine the belt use. This
may inflate the rate of seat belt use
reported among non-injured or slightly
injured occupants.
Crash Participant - A person who is
involved in a crash, including motor
vehicle occupants, pedestrians and
bicyclists.
Contributing Factor - The
circumstances reported by the
investigating officer surrounding a crash
that contribute to the crash or the crash
severity. These include 'speed to fast',
'fatigue' and 'had been drinking'.
Drug / Alcohol Related Crash - A
crash in which the investigating officer
cited a driver for driving while under
the influence (DUI) or coded a
contributing factor of 'DUI', 'had been
drinking' or 'under the influence of
drugs'. Since breathalyzer test results
may not be used to determine drug /
alcohol content, drug / alcohol related
crashes may be underestimated.
Drug / Alcohol Related Fatal Crash
- A crash resulting in one or more deaths
and in which the drug / alcohol test was
positive for any driver, pedestrian, or
bicyclist involved in the crash. Drug /
Alcohol related fatal crash information
is obtained as part of the FARS database.
Drug / Alcohol Related Fatality -
A death resulting from an drug / alcohol
related crash.
Drug / Alcohol Related Injury - A
non-fatal injury resulting from an drug /
alcohol related crash.
Drug / Alcohol Related Injury Crash -
A non-fatal crash in which one or more
persons are injured and in which the
investigating officer cited a
driver for driving while under the
influence (DUI) or coded a contributing
factor of 'DUI', 'had been drinking' or
'under the influence of drugs'.
Since breathalyzer test results may not
be used to determine drug / alcohol
crashes, drug / alcohol related injury
crashes may be underestimated.
Fatal Crash - A
motor vehicle crash on public roadways
resulting in one or more deaths.
The death must occur within 30 days of
the crash.
Injury Crash - A crash in which
one or more persons sustained a possible
injury, probable injury, or an
incapacitating injury as recorded by the
investigating officer.
Large Truck Crash - A crash
involving one or more vehicles of the
following type: (1) 2-axel, 6-tire single
unit truck or van, (2) 3 or more axle
single unit truck, (3) single unit truck
with one or more trailer, (4) bobtail
(power unit only), or (5) tractor
with one or more trailer.
Million Vehicle Miles Traveled -
The number of miles in millions
traveled in a year for a given
area. This is calculated by the
Utah Department of Transportation.
Motorcycle Crash - A crash
involving one or more motorcycles or
mopeds.
Motor Vehicle Crash - A crash that
involves a motor vehicle on public
roadways resulting in a fatality, an
injury, when the jurisdiction where the
crash occurred requires
reporting or when the responding
officer determines that a report is
warranted. Before 1997, about 10% of
reported crashes occurred on private
property. This may account for the
decrease of crashes in 1997.
Out of State Driver - A driver
licensed from a state other than Utah who
is involved in a crash. These
drivers may reside in the state of Utah,
but have not yet applied for a Utah
driver's license.
Rural Crash - A crash that
occurred in an area with a population
less than 5,000 persons.
School Bus Crash - A crash involving
one or more school buses.
Speed-Related Crash - A crash where
the investigating officer cites one or
more drivers for speeding, or codes a
contributing factor of 'speed too fast'.
Urban Crash - A crash that
occurred in an area with a population
over 200,000 persons.
Violation - The traffic violation
that a driver was cited for at the scene
of the crash. These include both moving
and non-moving violations.
Young Driver - A 16 and 17 year
old driver.
Young Driver Crash - A crash
involving a young driver.
Young Driver Fatal Crash - A fatal
crash involving a young driver.
Young Driver Injury Crash - An
injury crash involving a young driver.
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