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(2010) Safety Analysis of Low-Volume Rural Roads in Iowa, 2010. Transportation, Department of
(2009) Spatial Scale of Clustering of Motor Vehicle Crash Types and Appropriate Countermeasures, 2009. Transportation, Department of
(2007) Crash Data Validation: An Iowa Case Study, February, 2007. Iowa State University
(2002) Iowa Problem Indentification for Federal 402 State and Community Highway Safety Programs, Iowa Department of Public Safety, January, 2002. Public Safety, Department of
(2001) Effectiveness of Roadway Safety Improvements, 2001. Transportation, Department of
(1963) The Effect of the No-Passing Zone Sign on "Passing" Accidents, 1963. Transportation, Department of