Each year, the Ohio Department of Transportation studies and addresses the top 200 Non-Freeway Locations and the top 50 Freeway Locations for crashes. These locations are chosen based on crash rate (crashes per volume of traffic), frequency (number of crashes), density (crashes per length of road), severity, and other analytical factors. 

Click below for a complete list of locations, identification methods and program definitions:
High Crash List Freeway(2006)
High Crash List Non Freeway
High Crash Methods
High Crash List Definitions
High Crash List IJK Table