An event data recorder or edr sometimes referred to informally as an automotive black box by analogy with the common nickname for flight recorders is a device installed in some automobiles to record information related to vehicle crashes or accidents. Popularly known as black boxes event data recorders edrs have helped investigators solve the mysteries of airplane crashes for decades now theyve become standard in almost every new car sold. The black box is formally known as an event data recorder edr and today its in 96 percent of new cars sold in the united states according to industry estimates. Transportation event recorder data balancing federal public policy 11 proactive use of highway recorded data via an event data recorder edr to achieve nationwide seat belt usage in the petitioner asked nhtsa to initiate rulemaking to require passenger cars and light trucks to be equipped with black boxes data recorders . Event data recorders edrs also known as black boxes or sensing and diagnostic modules capture information such as the speed of a vehicle and the use of a safety belt in the event of a collision to help understand how the vehicles systems performed
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