Roadway Safety Tools for Local Agencies (2003) / Chapter Skim
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Pages 7-11
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From page 7... ...
7Ultimately, any significant reductions in roadway fatalities and crashes will require the mitigation of safety concerns along roadways under the jurisdiction of local government entities (e.g., cities, towns, counties, and villages)
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8There are several important publications that provide more information on the reactive approach (9,43–46)
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From page 9... ...
9brief period of time is often used (1 to 3 months) and these immediate effects are not included in the analysis.
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10 control sites with similar characteristics benefits the reliability of the analysis by normalizing changing conditions such as traffic growth and weather effects. It is important to recognize that significant expertise is required to conduct sound before-and-after safety analyses.
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From page 11... ...
11 4. Calculate the actual crash rate for each intersection or spot during the study period.
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