Collection and analysis of EDR data from crash-involved vehicles: 2023 summary report
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2024
Authors
Elsegood, M.
Ponte, G.
Doecke, S.
English, I.
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ME Elsegood, G Ponte, SD Doecke, IM English
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Abstract
Modern vehicles are fitted with Event Data Recorders (EDRs) to constantly record variables such as speed, seatbelt usage, accelerator/brake pedal position, delta-v and safety systems deployment. When a crash occurs, a snapshot of the final few seconds of the vehicle variables are saved on the EDR. In 2017, CASR established a data collection process whereby a large number of crash-involved vehicles could be accessed regularly from a single location (an auction yard) and the EDR data downloaded. Additionally, the South Australian Police Major Crash unit provided EDR data to CASR, downloaded from vehicles involved in investigated serious crashes. In 2023, CASR successfully retrieved EDR data from 102 crashed vehicles, of which 77 (75.5%) had associated police vehicle collision reports. This collection has contributed to a current total of 1050 EDR records with 804 matched to police reports and 190 injured occupants matched to hospital injury data. In the sample of cases collected by CASR from the auction yard, 26.4% of bullet (striking) vehicles, and 41.5% of free speed vehicles were found to be speeding. The rate of seatbelt wearing for front seat occupants in the sample was 96.6%.
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© The University of Adelaide 2024