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Crash analysis resources
Crash analysis home
Crash data
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Five Percent Safety
Program- Background
Five Percent Safety
Program - Iowa Report
Top 200 safety
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Crash-based (PDF)
Key emphasis areas
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Comparables
Crash and crash rate comparables
Crash Rates and Crash Densities in Iowa by Road System: 2002-2011
Topical
Crash Rates and Crash Densities on Mainline, Divided Roads (Interstate, Freeway, Expressway) in Iowa: 2001-2009
Crash Rates and Crash Densities on Secondary Roads in Iowa by Functional Class: 2002-2011
Crash Rates and Crash Densities on Secondary Roads in Iowa by Surface Type: 2001-2011
Crash Rates and Crash Densities in Iowa by Road System – Wet Surface: 2002-2011
Average Intersection Crash Rates (from 1989)
Historical crash statistics
Crash Rates and Crash Densities in Iowa by Road System: 2001-2009
1970-2000 Historical Crash Frequencies and Rates
2001-2011 Historical Crash Frequencies and Rates
