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About this Data

All information is from crash reports involving motor vehicles made by local law enforcement to TITAN (Tennessee Integrated Traffic Analysis Network) and analyzed by the TPO. Crash reports came from the following law enforcement agencies and cover the following date ranges:

• Alcoa Police Department (March 2011-December 2016)
• Blount County Sheriff's Office (September 2010-December 2016)
• Knox County Sheriff's Office (August 2011-December 2016)
• Knoxville Police Department (January 2007-December 2016)
• Lenoir City Police Department (July 2011-December 2016)
• Maryville Police Department (September 2010-December 2016)
• Oak Ridge Police Department (August 2011-December 2016)

The date range varies by locality because each agency began reporting crashes to TITAN at a different time. Reports prior to June 2009 were obtained directly from the Knoxville Police Department. TPO staff verified crash locations and assigned crash factors based on information obtained from individual crash reports, including crash narratives and information about citations issued.