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Grant enhances collision investigation capabilities of troopers in northern Arizona

June 18, 2019

NORTHERN ARIZONA – State troopers frequently conduct complex investigations which can lead to charging a suspect driver with aggravated assault, endangerment, DUI and vehicular homicide. Those investigations typically involve vehicles containing electronic evidence within their Event Data Recorder (EDR). To make use of the data, a vehicle Crash Data Retrieval (CDR) system must be used to download the event information from the suspect’s vehicle.

Evidence obtained from the EDR can be used as probable cause for criminal charging related to vehicle speed and reckless driving. The same data aids with verification of witness statements and collision reconstruction.

A CDR system available to enhance collision investigation capabilities of troopers and provide support throughout northern Arizona will soon become a reality, thanks to $23,505 in grant funding from the Governor’s Office of Highway Safety.

Learn more about CDR at

“We are very grateful to the Governor’s Office of Highway Safety and Director Alberto Gutier for helping to improve our ability to provide professional support to rural police agencies in northern Arizona,” said Major Chris Hemmen, Chief of Staff, Highway Patrol Division.

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