Crush Analysis

Robert T. Lynch, P.E., Principal Collision Reconstruction Engineer
Since 2013, for most vehicles equipped with event data recorders (EDR) that record 5 seconds of pre-crash speed, performing a crush analysis to figure out vehicle speeds has become increasingly unnecessary for performing a reconstruction. However, there are instances where a crush analysis is still warranted. For example, the vehicles involved may be older and/or do not have an EDR; the vehicles involved may have been repaired with key airbag system components replaced (EDR is typically a function of the Airbag Control Module (ACM)); or the vehicles involved may have been salvaged/scrapped/crushed and are no longer available for data extraction. (more…)

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