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182
Term
Definition: NHTSA's Fatality Analysis Reporting System (FARS)
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Focuses on non-fatal crashes and Reports all crashes, including minor
their causes. incidents and property damage.
, Reports only fatal crashes
and more details regarding Details traffic violations and
the their consequences.
collision.
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2 of 182
Term
What is "Standard Error" in relation to a CMF?
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Standard Error (SE) is a measure of the precision associated with a CMF.
When two CMFs are applicable, choose the one with the smaller SE.
Crash rate calculation (crashes per amount of traffic) is a simplistic measure
that may be useful when comparing sites with similar characteristics and traffic
volumes. However, the relationship between crashes and volume is not
linear and can therefore lead to wrong conclusions if that assumption is made
when considering volume increases on a road or comparing roads of
different
types.
Detection -> Identification -> Decision -> Response
PRT depends on information processing, driver alertness, driver expectations,
and vision.
Identifying potential causal factors at various points of the crash event
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Term
Describe the use of deliberative decision-making when selecting a
travel route from an origin to a destination.
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61 total performance measures
(add up total performance measures in the "Safety Data Model Performance
Measures" table)
1. Identify the Problem
2.Develop Reasonable Objectives
3. Develop a Plan for Measuring Results
4. Gather Baseline Data
5. Implement your Program
6.Gather Data and Analyze Results
7.Report Results
Selecting from amongst several routes based on posted travel times for
each route.
(i.e. checking Google Maps and choosing the quickest route)
How safety is impacted by (and how does it impact) a jurisdiction's long term
goals for mobility, environmental quality, and economic prosperity
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Term
Definition: Strategic Highway Safety Plans
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Used to describe how people respond to the roadway environment.
However, people are not simply users of the transportation system. Humans
also design, engineer, build and maintain the roadway environment, the
vehicles using it and
the laws governing behavior of roadway users and vehicle manufacturers. In that
sense, the entire transportation system is a product of human factors.
An absolute statement about the safety of a location based only on its
adherence to a set of design standards (safe on paper)
The process of identifying road or intersection characteristics that increase the
risk of crashes and selecting locations for safety treatment based on the
presence of these risk factors.
A coordinated safety plan that provides a comprehensive framework for
reducing highway fatalities and serious injuries on all public roads.
Also known as "Road Safety Action Plans"
Initially required by SAFETEA-LU (2005) in the US
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