CTRE is an Iowa State University center, administered by the Institute for Transportation.

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Website: www.ctre.iastate.edu/

Iowa State University--Becoming the Best

Road Safety Audit for Intersection of US 218 and County Road C-57 in Black Hawk County, Iowa

US 218 and County Road C-57 intersection looking southwest

Researcher(s)

Principal investigator:

Project status

Completed

Start date: 06/22/09
End date: 08/17/09

Publications

Report: Road Safety Audit for Intersection of US 218 and County Road C-57 in Black Hawk County, Iowa (1.92 mb pdf) August 2009

Sponsor(s)/partner(s)

Sponsor(s): Iowa Department of Transportation

About the research

Abstract:

Beginning on June 22, 2009, a road safety audit was initiated for the intersection of US 218 and County Road C-57 in Black Hawk County, Iowa. Due to the traffic volumes and the number of conflicting traffic movements on these two roadways, this intersection has developed a crash history that concerns the Iowa Department of Transportation (Iowa DOT), Iowa State Patrol, and local agencies. This intersection is ranked seventh in Iowa for the highest number of at-grade expressway intersection crashes. Considering this, Black Hawk County and the Iowa DOT requested that a road safety audit be conducted to address the safety concerns and recommend possible mitigation strategies.